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Saturday, 12 September 2009

IRS Version of Zeus Bot continues

Posted on 05:52 by Unknown

Update - 16SEP09 - the Zeus Bot trojan, or Zbot, continues to be spread

The extremely heavy spam campaign described below continues. A list of 130 more domains being used to spread this malware is appended to the bottom of this article. Current detection rate of this malware at VirusTotal? ONE of forty-one Anti-virus products detect this malware. MD5 = 34cee60590817be6f8dd1115c6a1883f

Researchers at the University of Alabama at Birmingham continue to study the Zeus Bot trojan this week as a new spam campaign seeks to extend this already prolific bank robbery malware. This is the fourth major Zeus-spreading spam campaign that we've seen hit the UAB Spam Data Mine in the past few months.

On July 24th, we reported on the "1001 Postcards" spam campaign in our story From Russia, With Love...new Postcard spam spies on your PC.

On June 30th, we reported on the "Michael Jackson" spam campaign in our story Michael Jackson headline used in Password Stealing.

On June 24th, we reported on the "Microsoft Outlook Update" spam campaign in our story Malware in the Mail (Email that is!).

The current spam campaign has been proven by malware analysts on the UAB Computer Forensics research team to be in the same family as each of these additional versions. On September 9th and 10th, we received 1281 copies of the current Zeus spreading email, this time pretending to be an email from the Internal Revenue Service. On September 11th we received 764 more copies of the email, some of which point to websites which are still live on the morning of September 12th as I write this.



The email, which uses a subject line "Notice of Underreported Income" and claims to be sent from "Internal Revenue Service" claims that you need to visit a website to review an issue of "Unreported/Underreported Income" which seems to have been detected by the "Fraud Application" at the IRS.

The website you are sent to contains your email address, and claims that you need to download and execute a program to review the problem with your tax statement.



The image above was taken from one of the several sites which are still live as of this writing on the morning of September 12, 2009. Many websites have been created by the criminal, and many of them have already been shutdown.

During the first 24 hours of the spam campaign, we saw these websites used in the spam email:

www.irs.gov.hyg12zi.eu
www.irs.gov.hyg12zk.eu
www.irs.gov.hyg12zo.eu
www.irs.gov.hyg12zq.eu
www.irs.gov.hyg12zr.eu
www.irs.gov.hyg12zu.eu
www.irs.gov.hyg12zw.eu
www.irs.gov.hyu11hea.eu
www.irs.gov.hyu11heb.eu
www.irs.gov.hyu11hec.eu
www.irs.gov.hyu11heg.eu
www.irs.gov.hyu11heh.eu
www.irs.gov.hyu11hej.eu
www.irs.gov.hyu11hem.eu
www.irs.gov.hyu11hep.eu
www.irs.gov.hyu11her.eu
www.irs.gov.hyu11hes.eu
www.irs.gov.hyu11heu.eu
www.irs.gov.hyu11hew.eu
www.irs.gov.hyu11hez.eu
www.irs.gov.hyu11hic.eu
www.irs.gov.nyusa2a.eu
www.irs.gov.nyusa2b.eu
www.irs.gov.nyusa2e.eu
www.irs.gov.nyusa2i.eu
www.irs.gov.nyusa2l.eu
www.irs.gov.nyusa2s.eu
www.irs.gov.nyusa2y.eu
www.irs.gov.ringrins.co.uk

After all of these were successfully terminated, the spammer took almost 26 hours to regroup and relaunch, using these additional websites during the September 11th version of his spam campaign:

www.irs.gov.ger11zd.com
www.irs.gov.ger11zd.net
www.irs.gov.ger11zf.com
www.irs.gov.ger11zf.net
www.irs.gov.ger11zh.com
www.irs.gov.ger11zh.net
www.irs.gov.ger11zr.com
www.irs.gov.ger11zr.net
www.irs.gov.ger11zx.com
www.irs.gov.ger11zx.eu
www.irs.gov.ger11zx.net
www.irs.gov.losawza.cn
www.irs.gov.losawza.eu
www.irs.gov.losawzd.cn
www.irs.gov.losawzd.eu
www.irs.gov.losawze.cn
www.irs.gov.losawze.eu
www.irs.gov.losawzf.cn
www.irs.gov.losawzf.eu
www.irs.gov.losawzg.cn
www.irs.gov.losawzg.eu
www.irs.gov.losawzs.cn
www.irs.gov.losawzs.eu
www.irs.gov.losawzx.cn
www.irs.gov.losawzx.eu
www.irs.gov.merfaslo.biz
www.irs.gov.merfaslo.com
www.irs.gov.merfaslo.info
www.irs.gov.merfaslo.net
www.irs.gov.tersab1.cn
www.irs.gov.tersab1.eu
www.irs.gov.tersac1.cn
www.irs.gov.tersad1.cn
www.irs.gov.tersad1.eu
www.irs.gov.tersan1.cn
www.irs.gov.tersan1.eu
www.irs.gov.tersav1.eu
www.irs.gov.tersaw1.eu
www.irs.gov.tersax1.eu
www.irs.gov.tersaz1.cn
www.irs.gov.tersaz1.eu
www.irs.gov.yh1ferz.com
www.irs.gov.yh1ferz.info
www.irs.gov.yh1ferz.net
www.irs.gov.yh1ferz.org

The malware itself has also been modified to be MUCH more difficult to detect. When we first scanned the copy of the Zeus bot on September 9th, it was already detected as Zeus by 21 of the 41 anti-virus products at VirusTotal, and the detection continued to rise through the day.

When we scanned the current malware during the evening of September 11th, we found that only 6 of the 41 anti-virus products at VirusTotal were able to detect the malware as being the Zeus bot. See this VirusTotal Report for the current malware with MD5: 04eb70edf674d7bf376994aec68785ee (file size = 96,256 bytes). Rescanning this morning - more than 12 hours after our initial submission - still only shows 6 of 41 products detecting the malware:

BitDefender and GData call it "Trojan.Spy.Zbot.BFK"
Kaspersky calls it: "Trojan-Spy.Win32.Zbot.gen"
McAfee+Artemis calls it: "Suspect-29"
NOD32 calls it: "a variant of Win32/Kryptik.AET"
Sunbelt calls it: "Trojan-Downloader.Tibs.gen"

That detection was so poor, we really wondered if it was corrupt or broken malware.

So, what do you do if you want to know if your malware is real? Fire it up!

I'm not in the lab today, but I have the Malware Analysis VM that UAB Malware Analyst Brian Tanner put together for my team, so I fired it up. I self-infected the VM by visiting the website above, confirming that my MD5 was the same as I did so. Within a couple seconds, I was making HTTP Post messages to:

nerinsk.com on the path /livs/gate.php

The traffic was flowing to 91.213.72.51, an IP address that was used by the "gorodu.com" domain name in the malware earlier this week. "gate.php" is a file name we've seen repeatedly associated with Zeus Malware.

I'm going to call this "Confirmed Badness", and say that despite the HORRIBLE AV detection on this one, we have a confirmed, live, Zeus Bot trojan / ZBot trojan that people need to worry about.

UPDATED September 28th . . . here are the domain names we've seen, and the number of spam samples we've received for each of these domains, and the dates on which those domains were used in spam.

receiving_date | count | machine
----------------+-------+-----------------------------
2009-09-09 | 18 | www.irs.gov.hyg12zi.eu
2009-09-09 | 16 | www.irs.gov.hyg12zk.eu
2009-09-09 | 21 | www.irs.gov.hyg12zo.eu
2009-09-09 | 19 | www.irs.gov.hyg12zq.eu
2009-09-09 | 11 | www.irs.gov.hyg12zr.eu
2009-09-09 | 15 | www.irs.gov.hyg12zu.eu
2009-09-09 | 24 | www.irs.gov.hyg12zw.eu
2009-09-09 | 10 | www.irs.gov.hyu11hea.eu
2009-09-09 | 17 | www.irs.gov.hyu11heb.eu
2009-09-09 | 37 | www.irs.gov.hyu11hec.eu
2009-09-09 | 9 | www.irs.gov.hyu11heg.eu
2009-09-09 | 27 | www.irs.gov.hyu11heh.eu
2009-09-09 | 44 | www.irs.gov.hyu11hej.eu
2009-09-09 | 9 | www.irs.gov.hyu11hem.eu
2009-09-09 | 431 | www.irs.gov.hyu11hep.eu
2009-09-09 | 11 | www.irs.gov.hyu11her.eu
2009-09-09 | 9 | www.irs.gov.hyu11hes.eu
2009-09-09 | 38 | www.irs.gov.hyu11heu.eu
2009-09-09 | 17 | www.irs.gov.hyu11hew.eu
2009-09-09 | 6 | www.irs.gov.hyu11hez.eu
2009-09-09 | 8 | www.irs.gov.hyu11hic.eu
2009-09-09 | 15 | www.irs.gov.nyusa2a.eu
2009-09-09 | 13 | www.irs.gov.nyusa2b.eu
2009-09-09 | 16 | www.irs.gov.nyusa2e.eu
2009-09-09 | 13 | www.irs.gov.nyusa2i.eu
2009-09-09 | 9 | www.irs.gov.nyusa2l.eu
2009-09-09 | 17 | www.irs.gov.nyusa2s.eu
2009-09-09 | 16 | www.irs.gov.nyusa2y.eu
2009-09-09 | 47 | www.irs.gov.ringrins.co.uk
2009-09-10 | 152 | www.irs.gov.hyu11hep.eu
2009-09-10 | 523 | www.irs.gov.ringrins.co.uk
2009-09-11 | 35 | www.irs.gov.ger11zd.com
2009-09-11 | 36 | www.irs.gov.ger11zd.net
2009-09-11 | 45 | www.irs.gov.ger11zf.com
2009-09-11 | 45 | www.irs.gov.ger11zf.net
2009-09-11 | 57 | www.irs.gov.ger11zh.com
2009-09-11 | 54 | www.irs.gov.ger11zh.net
2009-09-11 | 50 | www.irs.gov.ger11zr.com
2009-09-11 | 40 | www.irs.gov.ger11zr.net
2009-09-11 | 38 | www.irs.gov.ger11zx.com
2009-09-11 | 48 | www.irs.gov.ger11zx.eu
2009-09-11 | 40 | www.irs.gov.ger11zx.net
2009-09-11 | 5 | www.irs.gov.losawza.cn
2009-09-11 | 4 | www.irs.gov.losawza.eu
2009-09-11 | 11 | www.irs.gov.losawzd.cn
2009-09-11 | 6 | www.irs.gov.losawzd.eu
2009-09-11 | 10 | www.irs.gov.losawze.cn
2009-09-11 | 8 | www.irs.gov.losawze.eu
2009-09-11 | 7 | www.irs.gov.losawzf.cn
2009-09-11 | 3 | www.irs.gov.losawzf.eu
2009-09-11 | 4 | www.irs.gov.losawzg.cn
2009-09-11 | 8 | www.irs.gov.losawzg.eu
2009-09-11 | 6 | www.irs.gov.losawzs.cn
2009-09-11 | 4 | www.irs.gov.losawzs.eu
2009-09-11 | 7 | www.irs.gov.losawzx.cn
2009-09-11 | 8 | www.irs.gov.losawzx.eu
2009-09-11 | 14 | www.irs.gov.merfaslo.biz
2009-09-11 | 13 | www.irs.gov.merfaslo.com
2009-09-11 | 10 | www.irs.gov.merfaslo.info
2009-09-11 | 11 | www.irs.gov.merfaslo.net
2009-09-11 | 7 | www.irs.gov.tersab1.cn
2009-09-11 | 6 | www.irs.gov.tersab1.eu
2009-09-11 | 4 | www.irs.gov.tersac1.cn
2009-09-11 | 10 | www.irs.gov.tersad1.cn
2009-09-11 | 7 | www.irs.gov.tersad1.eu
2009-09-11 | 8 | www.irs.gov.tersan1.cn
2009-09-11 | 10 | www.irs.gov.tersan1.eu
2009-09-11 | 5 | www.irs.gov.tersav1.eu
2009-09-11 | 5 | www.irs.gov.tersaw1.eu
2009-09-11 | 6 | www.irs.gov.tersax1.eu
2009-09-11 | 10 | www.irs.gov.tersaz1.cn
2009-09-11 | 8 | www.irs.gov.tersaz1.eu
2009-09-11 | 19 | www.irs.gov.yh1ferz.com
2009-09-11 | 10 | www.irs.gov.yh1ferz.info
2009-09-11 | 15 | www.irs.gov.yh1ferz.net
2009-09-11 | 10 | www.irs.gov.yh1ferz.org
2009-09-12 | 1 | www.irs.gov.ger11zx.eu
2009-09-14 | 13 | www.irs.gov.1kikyd.cn
2009-09-14 | 27 | www.irs.gov.1kikyf.cn
2009-09-14 | 15 | www.irs.gov.1kikys.cn
2009-09-14 | 19 | www.irs.gov.1kikyt.cn
2009-09-14 | 26 | www.irs.gov.1kikyt.eu
2009-09-14 | 21 | www.irs.gov.ersawe1.net
2009-09-14 | 3 | www.irs.gov.ersawec.com
2009-09-14 | 5 | www.irs.gov.ersawec.net
2009-09-14 | 1 | www.irs.gov.ersaweq.com
2009-09-14 | 3 | www.irs.gov.ersaweq.net
2009-09-14 | 3 | www.irs.gov.ersawet.net
2009-09-14 | 4 | www.irs.gov.ersaweu.com
2009-09-14 | 1 | www.irs.gov.ersaweu.net
2009-09-14 | 1 | www.irs.gov.ersawew.com
2009-09-14 | 8 | www.irs.gov.ersawew.net
2009-09-14 | 3 | www.irs.gov.ersawey.com
2009-09-14 | 17 | www.irs.gov.ersawey.net
2009-09-14 | 2 | www.irs.gov.ersawez.net
2009-09-14 | 16 | www.irs.gov.ikhrtyg1.com
2009-09-14 | 9 | www.irs.gov.ikhrtyg1.net
2009-09-14 | 17 | www.irs.gov.ikhrtygf.com
2009-09-14 | 16 | www.irs.gov.ikhrtygf.net
2009-09-14 | 21 | www.irs.gov.ikhrtyrf.com
2009-09-14 | 22 | www.irs.gov.ikhrtyrf.net
2009-09-14 | 18 | www.irs.gov.ikhrtysa.com
2009-09-14 | 23 | www.irs.gov.ikhrtysa.net
2009-09-14 | 16 | www.irs.gov.ikhrtyth.com
2009-09-14 | 13 | www.irs.gov.ikhrtyth.eu
2009-09-14 | 18 | www.irs.gov.ikhrtyth.net
2009-09-14 | 10 | www.irs.gov.muk11de.cn
2009-09-14 | 24 | www.irs.gov.muk11de.eu
2009-09-14 | 6 | www.irs.gov.muk11do.cn
2009-09-14 | 12 | www.irs.gov.muk11dp.cn
2009-09-14 | 51 | www.irs.gov.muk11dp.eu
2009-09-14 | 14 | www.irs.gov.muk11dq.cn
2009-09-14 | 9 | www.irs.gov.muk11dr.cn
2009-09-14 | 9 | www.irs.gov.muk11du.cn
2009-09-14 | 20 | www.irs.gov.muk11du.eu
2009-09-14 | 5 | www.irs.gov.muk11dy.cn
2009-09-14 | 29 | www.irs.gov.muk11dy.eu
2009-09-14 | 22 | www.irs.gov.olrfder.com
2009-09-14 | 8 | www.irs.gov.oolqj.cn
2009-09-14 | 6 | www.irs.gov.oolqp.cn
2009-09-14 | 18 | www.irs.gov.oolqp.eu
2009-09-14 | 27 | www.irs.gov.oolqq.eu
2009-09-14 | 6 | www.irs.gov.oolqw.cn
2009-09-14 | 11 | www.irs.gov.oolqx.cn
2009-09-14 | 7 | www.irs.gov.oolqy.cn
2009-09-14 | 11 | www.irs.gov.oolqz.cn
2009-09-14 | 38 | www.irs.gov.oolqz.eu
2009-09-14 | 28 | www.irs.gov.strmodesa.com
2009-09-14 | 25 | www.irs.gov.strmodesa.co.uk
2009-09-14 | 49 | www.irs.gov.strmodesa.eu
2009-09-15 | 27 | www.irs.gov.dirvsdl.co.kr
2009-09-15 | 38 | www.irs.gov.dirvsdl.kr
2009-09-15 | 26 | www.irs.gov.dirvsdl.ne.kr
2009-09-15 | 35 | www.irs.gov.dirvsdl.or.kr
2009-09-15 | 7 | www.irs.gov.ersawe1.net
2009-09-15 | 8 | www.irs.gov.ersawey.net
2009-09-15 | 23 | www.irs.gov.fhqw1sae.eu
2009-09-15 | 8 | www.irs.gov.fhqw1say.eu
2009-09-15 | 16 | www.irs.gov.fhw1sa1.eu
2009-09-15 | 11 | www.irs.gov.fhw1sae.eu
2009-09-15 | 29 | www.irs.gov.hrtfe11l.eu
2009-09-15 | 32 | www.irs.gov.hrtfe11l.mn
2009-09-15 | 28 | www.irs.gov.hrtfe11q.mn
2009-09-15 | 9 | www.irs.gov.hrtfe11s.eu
2009-09-15 | 22 | www.irs.gov.hrtfe11s.mn
2009-09-15 | 8 | www.irs.gov.hrtfe11u.eu
2009-09-15 | 10 | www.irs.gov.hrtfe11u.mn
2009-09-15 | 26 | www.irs.gov.hrtfe11y.mn
2009-09-15 | 3 | www.irs.gov.ikhrtyg1.com
2009-09-15 | 2 | www.irs.gov.ikhrtyg1.net
2009-09-15 | 7 | www.irs.gov.ikhrtygf.com
2009-09-15 | 8 | www.irs.gov.ikhrtygf.net
2009-09-15 | 8 | www.irs.gov.ikhrtyrf.com
2009-09-15 | 4 | www.irs.gov.ikhrtyrf.net
2009-09-15 | 4 | www.irs.gov.ikhrtysa.com
2009-09-15 | 6 | www.irs.gov.ikhrtysa.net
2009-09-15 | 7 | www.irs.gov.ikhrtyth.com
2009-09-15 | 10 | www.irs.gov.ikhrtyth.eu
2009-09-15 | 10 | www.irs.gov.ikhrtyth.net
2009-09-15 | 15 | www.irs.gov.mtkstrip.co.kr
2009-09-15 | 26 | www.irs.gov.mtkstrip.com
2009-09-15 | 24 | www.irs.gov.mtkstrip.kr
2009-09-15 | 9 | www.irs.gov.nyh11de.me
2009-09-15 | 10 | www.irs.gov.nyh11di.me
2009-09-15 | 7 | www.irs.gov.nyh11do.me
2009-09-15 | 9 | www.irs.gov.nyh11dq.me
2009-09-15 | 15 | www.irs.gov.nyh11dr.me
2009-09-15 | 7 | www.irs.gov.nyh11dt.me
2009-09-15 | 6 | www.irs.gov.nyh11du.me
2009-09-15 | 8 | www.irs.gov.nyh11dw.me
2009-09-15 | 6 | www.irs.gov.nyh11dx.me
2009-09-15 | 9 | www.irs.gov.nyh11dy.me
2009-09-15 | 22 | www.irs.gov.vstdrrr.com.cn
2009-09-15 | 15 | www.irs.gov.vstdrrr.mn
2009-09-15 | 20 | www.irs.gov.vstdrrr.us
2009-09-15 | 13 | www.irs.gov.yh11asd.eu
2009-09-15 | 13 | www.irs.gov.yh11asf.eu
2009-09-15 | 7 | www.irs.gov.yh11asg.eu
2009-09-15 | 3 | www.irs.gov.yh11ash.eu
2009-09-15 | 3 | www.irs.gov.yh11asq.eu
2009-09-15 | 10 | www.irs.gov.yh11asr.eu
2009-09-15 | 10 | www.irs.gov.yh11asu.eu
2009-09-15 | 3 | www.irs.gov.yh11asw.eu
2009-09-15 | 10 | www.irs.gov.yh11asy.eu
2009-09-15 | 5 | www.irs.gov.yhqw1sa1.eu
2009-09-15 | 8 | www.irs.gov.yhqw1saw.eu
2009-09-16 | 1 | www.irs.gov.dirvsdl.kr
2009-09-16 | 1 | www.irs.gov.dirvsdl.ne.kr
2009-09-16 | 1 | www.irs.gov.dirvsdl.or.kr
2009-09-16 | 1 | www.irs.gov.hrtfe11u.eu
2009-09-16 | 36 | www.irs.gov.hyuae1d.me
2009-09-16 | 43 | www.irs.gov.hyuae1e.me
2009-09-16 | 3 | www.irs.gov.hyuae1r.me
2009-09-16 | 42 | www.irs.gov.hyuae1u.me
2009-09-16 | 6 | www.irs.gov.hyuae1y.eu
2009-09-16 | 100 | www.irs.gov.jezz1f.eu
2009-09-16 | 24 | www.irs.gov.mdtsrv.bz
2009-09-16 | 6 | www.irs.gov.mdtsrv.com
2009-09-16 | 6 | www.irs.gov.mdtsrv.me
2009-09-16 | 14 | www.irs.gov.mdtsrv.mn
2009-09-16 | 15 | www.irs.gov.modesrv.bz
2009-09-16 | 62 | www.irs.gov.modesrv.com
2009-09-16 | 53 | www.irs.gov.modesrv.me
2009-09-16 | 11 | www.irs.gov.modesrv.mn
2009-09-16 | 1 | www.irs.gov.mtkstrip.co.kr
2009-09-16 | 3 | www.irs.gov.mtkstrip.com
2009-09-16 | 1 | www.irs.gov.mtkstrip.kr
2009-09-16 | 3 | www.irs.gov.nyh11de.me
2009-09-16 | 3 | www.irs.gov.nyh11di.me
2009-09-16 | 2 | www.irs.gov.nyh11do.me
2009-09-16 | 1 | www.irs.gov.nyh11dq.me
2009-09-16 | 4 | www.irs.gov.nyh11dr.me
2009-09-16 | 3 | www.irs.gov.nyh11dt.me
2009-09-16 | 1 | www.irs.gov.nyh11du.me
2009-09-16 | 4 | www.irs.gov.nyh11dw.me
2009-09-16 | 3 | www.irs.gov.nyh11dx.me
2009-09-16 | 3 | www.irs.gov.nyh11dy.me
2009-09-16 | 43 | www.irs.gov.rawq12qe.eu
2009-09-16 | 3 | www.irs.gov.rawq12qe.me
2009-09-16 | 43 | www.irs.gov.rawq12qi.me
2009-09-16 | 46 | www.irs.gov.rawq12qr.me
2009-09-16 | 42 | www.irs.gov.rawq12qt.me
2009-09-16 | 48 | www.irs.gov.rawq12qy.me
2009-09-16 | 14 | www.irs.gov.srvmode.bz
2009-09-16 | 13 | www.irs.gov.srvmode.com
2009-09-16 | 13 | www.irs.gov.srvmode.me
2009-09-16 | 20 | www.irs.gov.srvmode.mn
2009-09-16 | 6 | www.irs.gov.vsdsrv.bz
2009-09-16 | 7 | www.irs.gov.vsdsrv.com
2009-09-16 | 17 | www.irs.gov.vsdsrv.eu
2009-09-16 | 15 | www.irs.gov.vsdsrv.me
2009-09-16 | 17 | www.irs.gov.vsdsrv.mn
2009-09-16 | 13 | www.irs.gov.yh11asd.eu
2009-09-16 | 16 | www.irs.gov.yh11asf.eu
2009-09-16 | 13 | www.irs.gov.yh11asg.eu
2009-09-16 | 2 | www.irs.gov.yh11ash.eu
2009-09-16 | 21 | www.irs.gov.yh11asr.eu
2009-09-16 | 11 | www.irs.gov.yh11ast.eu
2009-09-16 | 15 | www.irs.gov.yh11asu.eu
2009-09-16 | 2 | www.irs.gov.yh11asw.eu
2009-09-16 | 4 | www.irs.gov.yh11asy.eu
2009-09-16 | 11 | www.irs.gov.yhferdh.eu
2009-09-16 | 19 | www.irs.gov.yhferdj.eu
2009-09-16 | 12 | www.irs.gov.yhferdk.eu
2009-09-16 | 15 | www.irs.gov.yhferdo.eu
2009-09-16 | 8 | www.irs.gov.yhferdp.eu
2009-09-16 | 5 | www.irs.gov.yhferdw.eu
2009-09-17 | 17 | www.irs.gov.akmas1.eu
2009-09-17 | 31 | www.irs.gov.hyu11db.eu
2009-09-17 | 24 | www.irs.gov.hyu11db.me
2009-09-17 | 33 | www.irs.gov.hyu11dc.me
2009-09-17 | 16 | www.irs.gov.hyu11de.eu
2009-09-17 | 35 | www.irs.gov.hyu11df.eu
2009-09-17 | 23 | www.irs.gov.hyu11df.me
2009-09-17 | 25 | www.irs.gov.hyu11dg.eu
2009-09-17 | 39 | www.irs.gov.hyu11dg.me
2009-09-17 | 41 | www.irs.gov.hyu11dn.eu
2009-09-17 | 24 | www.irs.gov.hyu11dn.me
2009-09-17 | 51 | www.irs.gov.hyu11dv.eu
2009-09-17 | 24 | www.irs.gov.hyu11dv.me
2009-09-17 | 24 | www.irs.gov.hyu11dx.eu
2009-09-17 | 28 | www.irs.gov.hyu11dx.me
2009-09-17 | 13 | www.irs.gov.ihmas1.eu
2009-09-17 | 16 | www.irs.gov.ikbas1.eu
2009-09-17 | 11 | www.irs.gov.ikmas1.eu
2009-09-17 | 9 | www.irs.gov.ikmls1.eu
2009-09-17 | 20 | www.irs.gov.ikmps1.eu
2009-09-17 | 16 | www.irs.gov.iktas1.eu
2009-09-17 | 17 | www.irs.gov.illas1.eu
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Thursday, 10 September 2009

Tien Truong Nguyen pleads Guilty

Posted on 04:26 by Unknown
In April of 2007, the Eastern District of California sent out a Press Release titled "SACRAMENTO MAN CHARGED WITH COMPUTER FRAUD AND AGGRAVATED IDENTITY THEFT" with the description, "Internet Phishing Scheme Used to Steal Thousands of Credit and Debit Card Numbers, Social Security Numbers."

At the University of Alabama at Birmingham, our UAB Computer Forensics program has a mix of Computer & Information Science and Criminal Justice students who are working together to research how phishing investigations are performed. When I saw this story back in the news today, I thought we might have another agent who could help us understand how the US Secret Service investigates phishing. While I'm very glad that Nguyen was picked up, and it looks like ECSAP-trained Senior Special Agent Brian Korbs did an excellent job on the Computer Forensics aspects of this case, unfortunately this wasn't a "phishing investigation."

Several of my students learned about the US Secret Service Electronic Crimes Special Agent Program (ECSAP) while visiting the National Computer Forensics Institute in Hoover, Alabama, about ten miles from our campus, earlier this month. Housed at the NCFI, the Electronic Crimes Task Force for the Birmingham field office of the Secret Service maintains a computer forensics lab where computer forensics examiners from the US Secret Service and the Alabama Bureau of Investigation work side-by-side with examiners from the Alabama District Attorneys Association and the Hoover Police Department to perform examinations and provide training and forensic services to all manner of law enforcement cases. The NCFI provides the equivalent of the Secret Service ECSAP training for state and local law enforcement officers across the country. ECSAP-based courses available in Hoover include "Basic Investigation of Computer and Electronic Crimes Program (BICEP)", "Network Intrusion Responder Program (NITRO)", "Basic Computer Evidence Recovery Training (BCERT)", and "Advanced Computer Evidence Recovery Training (ACERT)", which is ten full weeks of very hands-on training! The NCFI also offers two "Computer Forensics in Court" classes, CFC-J for Judges, and CFC-P for Prosecutors.

Back to the story . . . According to the Affidavit of SSA Brian Korbs, Nguyen was clearly involved in phishing. He was able to establish that from at least October 15, 2005 through January 26, 2007, Nguyen was involved in multiple identity theft, phishing, and credit card fraud activities.

The forensics examination covered:

A Dell Laptop Computer "Latitude" Serial Number 8P530B1
A Toshiba Laptop Computer "M-45" with black thumb drive Serial Number 26234221Q
A Hewlett Packard Laptop Computer "Pavilion D1000" with Serial Number CNF5382K5T
two black USB thumb drives and
A Dell Computer Model 470 Serial Number 37NQC61

These showed that Nguyen was regularly communicating with Eastern Europeans to acquire credit card and debit card numbers, social security numbers, and other personal identification information. Files on the computer were used to create phishing websites, including sites against eBay, Fairwinds Credit Union (Florida), Heritage Bank (Olympia, Washington), Honolulu City and County Employees Credit Union, and others. A program for encoding credit cards, lists of account information, a magnetic card writer, and a laminator were found. Thousands of email addresses, sorted by the state in which they were located, were found to be used for sending out phishing emails state-by-state. (For example, it would make sense to only send "Honolulu City and County Employees Credit Union" phishing emails to people who live in Hawaii.)

The fruit of the phishing was "thousands of pages of customer information" from companies "such as eBay, Western Union, and others." Korbs reported finding
"Hundreds of files of credit card numbers, many with PINs, as well as the true cardholders name, address, email address, password, bank account information, social security number, driver's license number, telephone number, etc." Korbs estimates that "tens of thousands" of identities were on the computer, which is certainly "more than 15" as described in the Federal statute (see below).

Yahoo! chat logs were also found on the computer, which, if printed, would be 16,000 pages of logs. Many of the chats related to buying and selling credit cards, and exchanging email addresses for phish targeting.

In Nguyen's case, the whole story seems to be that he worked with several Romanians to build phishing sites and steal personally identifiable information. Then he provided that information to local accomplices who cashed out in an interesting manner. Apparently GE Capital runs a system of kiosks in California Wal-Mart stores where you can enter your information and be approved for an instant line of credit, which is provided as Wal-Mart coupons that can be used to shop in the store. According to Special Agent Korbs, they did this for more than $200,000 worth of merchandise. In the full indictment, it lists many of the items purchased with these cards, including laptops, monitors, satellite radio systems, 8 ipods, infrared night light, a "Nightowl" night vision scope, CB radios, GPS units, watches, televisions, a radar detector, etc.

When Detective Jim Hudson, from the Placer County Sheriff, and Special Agent Korbs talked to Tien Nguyen after he was arrested on January 26, 2007, he waived his Miranda rights and told them pretty much everything. He admitted to using his computer to trade identities and credit card information, and he explained the GE Capital / Wal Mart scheme.

Enter the 9th Circuit


So, why after all this time is Nguyen just now pleading guilty? Apparently the defense's plan all along has been to say that all of the evidence that was obtained from Nguyen, INCLUDING HIS CONFESSION, was based on a warrantless search of the premises, which meant all of the evidence should be suppressed. After the recent 9th Circuit ruling, Nguyen's lawyer, Micheal K. Cernyar of Long Beach, California, thought he had fresh evidence, and on September 8, 2009 a hearing was held before the Honorable Morrison C. England, Jr, to hear this a plea to establish a new hearing for a new motion to suppress. Here are the basics outlined in the Motion to Suppress:

* Mr. Nguyen was arrested on or about January 26, 2007 on a Ramey Warrant at his residence located at 8225 & 8229 Gerber Road, Sacramento, California. "A warrantless search of the residence" uncovered all of the information, while Nguyen and his companion were detained in the living room of the home.

* On March 27, 2007, Special Agent Korbs applied for a federal search warrant seeking the items seized on January 26, 2007. After receiving this search warrant, Nguyen was indicted April 26, 2007.

* Nguyen moved "to suppress all evidence and any statements obtained" claiming his Fourth Amendment rights were violated, and his motion was denied October 15, 2008.

Here's the new part . . .

7. Last week, in United States v. Gonzalez -- F.3d --, (9th Cir. 2009) (D.C. No. 07-30098), the Ninth Circuit reversed a matter regarding suppression of evidence based upon a warrentless search when applying the recent ruling in Arizona v. Gant. The Ninth Circuit held that Mr. Gonzalez was entitled to benefit from the Supreme Court's ruling in Gant.

8. Counsel believes that the facts in Mr. Nguyen's warrentless search incident to arrest are at the very list similarly situated to those in the Gant and Gonzalez matter.


Rodney Joseph Gant v. Arizona was a case where a man was arrested, and after his arrest police went and searched his vehicle, which he was not in at the time of the arrest. In the car, they found cocaine, not related to the charges for which he had just been arrested, and expanded the charges to include drug possession. Because they did not have a warrant for the vehicular search, and because the perp was not in the vehicle, the Supreme Court ruled that they should not have searched the vehicle without a warrant. (This has been standard practice, called "The Bright Line rule" since 1981 . . .)

How does this relate to the 9th Circuit decision in US. v. Gonzales? It is well-established practice that police can perform a warrantless search "incident to arrest", meaning that after I've arrested you, it is "not unreasonable" to search for evidence related to the crime for which you have been arrested, both on your person, as well as in the immediate vicinity. The question of what is meant by the immediate vicinity is one that has had the legal scholars appealing searches on Fourth Amendment grounds over and over. In this case, it all starts with Chimel v. California. The Supreme Court held that when someone is arrested in their home, officers would be reasonable to search not only the room of the arrest, but other "sufficiently large spaces" where someone might be hiding that could be a risk to officer safety. So, the idea was, if I arrest you in your living room, but I feel that someone might be hiding in the closet, I can look in the closet, without a warrant, to see if your brother is hiding in their with a shotgun planning to jump out and shoot me. I couldn't search the drawer in the end-table, because it is unlikely a potential attacker is hiding in that drawer. Several arguments since then have argued whether you should only be able to do such a search if there was a suspicion that such a risk to officer safety was probable, and then, only in certain "reasonable areas", with three cases helping define those boundaries and expectations -- Maryland v. Buie, Belton v. New York, and Thornton v. United States. Arizona v. Gant reset those expectations by overruling some of those prior standards of when it was reasonable to do an "suspicionless search", which lead to the 9th Circuit Decision.

The judge rightly denied the motion to suppress, since this WAS a search "INCIDENT TO ARREST", and there was EVERY REASON to believe that the computers held relevant evidence of the crime for which Nguyen was being arrested, based on his own statements, and his own permission to search, meaning that NONE of those prior cases really had anything to do with this case.

With his last hope extinguished, Nguyen pleaded guilty, but even then went all the way to the wire. I really thought he was going to go to trial! His lawyer had submitted Questions for the Jury (Voire Dire) as recently as September 2, 2009! I had to chuckle as I read through them . . . he asks if they Bank Online, if they use their Debit Card online, if they have purchased online items in the past year . . . I thought the next question might be "Please state your debit card number slowly, and tell us your PIN." When it came down to the start of the Jury Trial, at 9:00 am on September 8th, the Courtroom minutes tell us that Nguyen asked for a five minute recess, and came back in and pleaded guilty to counts 1-4. He then asked for another recess, and came back and pleaded guilty to count 5.

The Penalty Slip with the indictment includes the charges. Especially sweet that the Aggravated Identity Theft adds an automatic +2 years. Nguyen was found to have a shotgun in his bedroom as well, a Remington 870 Express Magnum.

18 USC § 371 - Conspiracy to Commit Computer Fraud and Access Device Fraud:
- Not more than $250,000 or notmore than gross gain or loss;
- Not more than 5 years imprisonment, or both
- Not more than 3 years of supervised release

18 USC § 1029(a)(2) - Access Device Fraud
- Not more than $250,000 or not more than gross gain or gross loss;
- Not more than 5 years imprisonment, or both
- Not more than 3 years of supervised release

18 USC § 1029(a)(3) - Possession of More than 15 Unauthorized Access Devices
- Not more than $250,000 or not more than gross gain or gross loss;
- Not more than 10 years imprisonment, or both
- Not more than 3 years of supervised release

18 USC § 1028A(a)(1) - Aggravated Identity Theft
- Not more than $250,000 or not more than gross gain or gross loss;
- Not more than 2 years imprisonment, or both
- Not more than 3 years of supervised release

18 USC § 922(g)(1) - Felon in Possession of a Firearm or Ammunition
- Not more than $250,000 or not more than gross gain or gross loss;
- Not more than 10 years imprisonment, or both
- Not more than 3 years of supervised release

(Nguyen had already spent "more than a year" in jail back in 1999 for "Receipt of Stolen Property" and "Making and Passing Fictitious Checks", but these were state of California crimes rather than Federal crimes.)

The sentencing for Nguyen will be on November 19th, at 9:00 am.

The question for my student's research project is - "Was this a phishing investigation?" We haven't talked to Special Agent Korbs yet, but from a reading of the court documents, I believe the answer will be "No." This was a credit card fraud investigation, which uncovered a phishing case after the Computer Forensics evidence was evaluated.

The on-going and unsolved question for our research is, "Could this case have been worked the other way around?" If we had started with the Honolulu City and County Employees Credit Union phishing site, would we have still ended up at Tien Truong Nguyen's front door? If you are a law enforcement officer with first-hand experience in phishing investigations, we'd love to talk with you and get your opinion.

References: Stranger than Dictum: Why Arizona v. Gant Compels the Conclusion that Suspicionless Buie Searches Incident to Lawful Arrests are Unconstitutional by Colin Miller, Assistant Professor of the John Marshall Law School.
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Wednesday, 2 September 2009

Bell Canada phish - still about the Cards

Posted on 04:11 by Unknown
As I was reviewing new spam categories from yesterday's mail to the UAB Spam Data Mine, I noticed a new phishing campaign against Bell Canada. It is important that consumers, who have been trained to believe that "phishing emails pretend to be banks" understand that ANY sort of company can send you a phishing email.

Apparently someone really wanted us to visit this phishing site, since we received more than 200 copies of the spam message. The site, which was still live this morning, more than 24 hours after the campaign had begun, looks like this:



I know what you're thinking. Why would anyone go to the trouble to steal the userid and password to my home telephone service? Perhaps the second page of questions will help answer that question:



After the phisher gets your Visa or Mastercard number, complete with Expiry date and Security Code, then we try for the Identity Theft Trifecta: Mother's Maiden Name, Date of Birth, and Social Insurance Number (the Canadian version of our Social Security Number). Of course they get a complete home address with home phone and employer just for good measure.

Phishing builds trust, by imitating a trusting relationship, and then asks more personal details. As consumers become more aware of "bank phishing", we will likely see more "non-bank phishing", hoping that the cautious behavior learned by banking customers doesn't generalize to the relationship with their phone company.

Truthfully, this was the second time that we have seen a Bell Canada phish, but the professionalism of this site is a huge improvement over the phish of July 28th. In the July 28th email, we were addressed as "Dear costumer" with a website that pointed to "ns2.e-karnet.net/home/Home_L-Login.pagelanguage=en®ion=ON.htm". That previous email came from "privacy@bell.ca" while the current email comes from "notification@bell-biling.ca". There were quite a few similarities however.

The target domain advertised in the new phishing campaign is:

upgrade-accounts.com

which was registered on August 30th with that most untrustworthy registrar, China Springboard. The computer on which this domain resides is 203.213.76.12, in Australia. According to DomainTools, that same computer is also the host of:

alliance-leicester056.com
alliance-leicester259.com
alliance-leicester304.com
alliance-leicester423.com
alliance-leicester603.com
alliance-leicester620.com
alliance-leicester628.com
alliance-leicester860.com
alliance-leicester907.com
my-pictures-downloads.com
and upgrade-accounts.com

DomainTools says that Upgrade-accounts.com has also been recently associated with the IP address 65.202.231.12, which has also served as the host of:

account-verifications.com
alliance-leicester076.com
alliance-leicester508.com
alliance-leicester528.com
alliance-leicester551.com

The account-verifications.com domain is the big news though! It has been mostly associated with a recent paypal phish using the host name paypal.account-verifications.com. Once that little piece of evidence slips in, we now see that this is actually a Fast Flux hosting botnet that specializes in phishing. Knowing that the bell.ca.upgrade-accounts.com may be a Fast Flux address, we switch modes to check for that, and come up with a HUGE list of computers - more than 120 computers, all of which have acted as the "webserver" for this phishing campaign.

Running quickly through the 128 IP addresses looking for additional hosts, we find a few big nameserver groups that tie the Bell Canada phishing campaign to other phishing campaigns hosted on the same Fast Flux network. Very significantly, however, this is NOT the same Fast Flux network currently being used to abuse Bank of America and KeyBank.

Some nameserver groups on this network:

ns3.the-breakfast-dreams.com used by:

alliance-leicester830.com
alliance-leicester860.com
alliance-leicester890.com
alliance-leicester551.com
alliance-leicester851.com
alliance-leicester312.com
alliance-leicester304.com
alliance-leicester174.com
alliance-leicester076.com
alliance-leicester727.com
alliance-leicester547.com
alliance-leicester508.com
alliance-leicester028.com
alliance-leicester528.com
alliance-leicester038.com
alliance-leicester068.com
alliance-leicester259.com

ns2.my-toshi-dns.com used by:

alliance-leicester620.com
alliance-leicester830.com
alliance-leicester850.com
alliance-leicester860.com
alliance-leicester890.com
alliance-leicester851.com
alliance-leicester312.com
alliance-leicester882.com
alliance-leicester603.com
alliance-leicester423.com
alliance-leicester963.com
alliance-leicester174.com
alliance-leicester065.com
alliance-leicester446.com
alliance-leicester056.com
alliance-leicester076.com
alliance-leicester547.com
alliance-leicester508.com
alliance-leicester718.com
alliance-leicester528.com
alliance-leicester628.com
alliance-leicester038.com
alliance-leicester259.com
verification-processing.com

ns2.the-tzone-strip.com used by:

my-pictures-downloads.com (such as doc_v1.my-pictures-downloads.com)

Other than the correction of the mis-spelled "Costumer" to "Customer", both emails have the same wording:




This e-mail was sent by Bell Canada to notify you that we have temporarily prevented access to your account.

We have reasons to believe that your account may have been accessed by someone else.

Please verify your details by following the link below :

http://www.bell.ca/account-activation?id=539933

© Bell Canada
( Please do not reply to this e-mail , this account is not monitored. Follow the instructions in the e-mail )





We only received one copy of the first email, sent from a single computer in Peoria, Illinois attached to the OmniLec network: 207.152.69.115

The new email came from botnet computers all over the world, including computers in Argentina, Belgium, Brazil, Chile, Germany, Hong Kong, India, Israel, Italy, Portugal, Russia, Singapore, Spain, Taiwan, Uruguay, Vietnam, as well as US based networks large and small.

The spamming program seems to be doing "false received lines" in the mail. So for instance, a computer in Spain has mail header lines that seem quite troubling at face value. "mail.royalbank-usa.com" or "mxe.jpmchase.com"? On further review these "trusted" mail senders have been falsely injected into the mail headers.


Received: from home (cm-85-152-241-195.telecable.es [85.152.241.195])
by [Gary's Server] (8.11.6/8.11.0) with ESMTP id n81JLV015681;
Tue, 1 Sep 2009 19:21:33 GMT
(envelope-from busybodiesoc8@home.com)
Received: from 85.152.241.195 by mxe.jpmchase.com; Tue, 1 Sep 2009 13:21:45 -0600
Date: Tue, 1 Sep 2009 13:21:45 -0600
From: Bell
X-Mailer: The Bat! (v2.00.2) Business
Reply-To: busybodiesoc8@home.com
X-Priority: 3 (Normal)
Message-ID: <236508618.53500285241073@home>
To: [Gary's spam trap]
Subject: Bell Online Notification
MIME-Version: 1.0
Content-Type: text/html;
charset=Windows-1252
Content-Transfer-Encoding: 7bit




Some computers associated with hosting this campaign:

bell.ca.upgrade-accounts.com 121.221.140.248
bell.ca.upgrade-accounts.com 121.221.214.232
bell.ca.upgrade-accounts.com 121.221.238.162
bell.ca.upgrade-accounts.com 124.13.162.53
bell.ca.upgrade-accounts.com 129.93.154.62
bell.ca.upgrade-accounts.com 129.93.176.255
bell.ca.upgrade-accounts.com 138.210.154.36
bell.ca.upgrade-accounts.com 149.84.93.20
bell.ca.upgrade-accounts.com 174.103.124.144
bell.ca.upgrade-accounts.com 200.87.22.27
bell.ca.upgrade-accounts.com 202.181.203.146
bell.ca.upgrade-accounts.com 202.77.97.227
bell.ca.upgrade-accounts.com 203.213.76.12
bell.ca.upgrade-accounts.com 204.118.0.2
bell.ca.upgrade-accounts.com 207.112.105.241
bell.ca.upgrade-accounts.com 207.255.141.194
bell.ca.upgrade-accounts.com 209.204.65.148
bell.ca.upgrade-accounts.com 209.204.65.155
bell.ca.upgrade-accounts.com 209.204.65.225
bell.ca.upgrade-accounts.com 209.204.73.181
bell.ca.upgrade-accounts.com 209.204.76.245
bell.ca.upgrade-accounts.com 212.183.199.25
bell.ca.upgrade-accounts.com 213.77.79.30
bell.ca.upgrade-accounts.com 213.94.231.25
bell.ca.upgrade-accounts.com 216.16.111.15
bell.ca.upgrade-accounts.com 216.209.249.145
bell.ca.upgrade-accounts.com 216.63.106.83
bell.ca.upgrade-accounts.com 217.166.213.26
bell.ca.upgrade-accounts.com 219.83.125.242
bell.ca.upgrade-accounts.com 220.253.17.133
bell.ca.upgrade-accounts.com 220.253.52.194
bell.ca.upgrade-accounts.com 220.253.7.121
bell.ca.upgrade-accounts.com 24.164.252.40
bell.ca.upgrade-accounts.com 24.176.238.10
bell.ca.upgrade-accounts.com 24.2.218.189
bell.ca.upgrade-accounts.com 24.224.130.181
bell.ca.upgrade-accounts.com 24.231.38.216
bell.ca.upgrade-accounts.com 24.24.222.220
bell.ca.upgrade-accounts.com 58.179.58.93
bell.ca.upgrade-accounts.com 60.51.55.131
bell.ca.upgrade-accounts.com 60.53.164.146
bell.ca.upgrade-accounts.com 60.53.50.130
bell.ca.upgrade-accounts.com 62.219.139.9
bell.ca.upgrade-accounts.com 64.150.244.50
bell.ca.upgrade-accounts.com 64.77.247.214
bell.ca.upgrade-accounts.com 65.202.231.12
bell.ca.upgrade-accounts.com 65.64.101.64
bell.ca.upgrade-accounts.com 65.75.110.66
bell.ca.upgrade-accounts.com 66.140.75.206
bell.ca.upgrade-accounts.com 66.169.38.6
bell.ca.upgrade-accounts.com 66.41.35.61
bell.ca.upgrade-accounts.com 66.56.48.61
bell.ca.upgrade-accounts.com 67.110.218.85
bell.ca.upgrade-accounts.com 67.176.38.186
bell.ca.upgrade-accounts.com 67.189.218.254
bell.ca.upgrade-accounts.com 67.244.94.2
bell.ca.upgrade-accounts.com 67.55.133.223
bell.ca.upgrade-accounts.com 67.77.32.172
bell.ca.upgrade-accounts.com 68.112.23.119
bell.ca.upgrade-accounts.com 68.127.17.153
bell.ca.upgrade-accounts.com 68.89.235.44
bell.ca.upgrade-accounts.com 69.228.83.3
bell.ca.upgrade-accounts.com 69.65.178.183
bell.ca.upgrade-accounts.com 69.88.210.46
bell.ca.upgrade-accounts.com 70.211.102.143
bell.ca.upgrade-accounts.com 70.220.79.109
bell.ca.upgrade-accounts.com 71.198.190.25
bell.ca.upgrade-accounts.com 71.205.3.107
bell.ca.upgrade-accounts.com 71.235.236.26
bell.ca.upgrade-accounts.com 71.236.171.101
bell.ca.upgrade-accounts.com 71.9.74.21
bell.ca.upgrade-accounts.com 72.188.10.131
bell.ca.upgrade-accounts.com 74.210.179.153
bell.ca.upgrade-accounts.com 75.198.56.175
bell.ca.upgrade-accounts.com 75.254.58.29
bell.ca.upgrade-accounts.com 75.26.163.159
bell.ca.upgrade-accounts.com 75.53.216.199
bell.ca.upgrade-accounts.com 75.64.12.251
bell.ca.upgrade-accounts.com 75.71.206.166
bell.ca.upgrade-accounts.com 76.106.45.169
bell.ca.upgrade-accounts.com 76.121.95.161
bell.ca.upgrade-accounts.com 76.211.231.228
bell.ca.upgrade-accounts.com 76.226.3.189
bell.ca.upgrade-accounts.com 77.126.129.61
bell.ca.upgrade-accounts.com 78.106.15.143
bell.ca.upgrade-accounts.com 79.179.121.187
bell.ca.upgrade-accounts.com 79.182.107.157
bell.ca.upgrade-accounts.com 79.78.247.155
bell.ca.upgrade-accounts.com 79.78.250.33
bell.ca.upgrade-accounts.com 80.186.4.160
bell.ca.upgrade-accounts.com 80.243.252.246
bell.ca.upgrade-accounts.com 81.56.250.159
bell.ca.upgrade-accounts.com 81.56.67.245
bell.ca.upgrade-accounts.com 81.57.3.231
bell.ca.upgrade-accounts.com 82.192.130.213
bell.ca.upgrade-accounts.com 82.224.8.132
bell.ca.upgrade-accounts.com 82.54.130.181
bell.ca.upgrade-accounts.com 83.217.136.210
bell.ca.upgrade-accounts.com 84.215.65.58
bell.ca.upgrade-accounts.com 84.224.17.130
bell.ca.upgrade-accounts.com 84.224.21.84
bell.ca.upgrade-accounts.com 84.224.59.118
bell.ca.upgrade-accounts.com 84.224.74.194
bell.ca.upgrade-accounts.com 84.224.82.197
bell.ca.upgrade-accounts.com 84.99.95.231
bell.ca.upgrade-accounts.com 86.20.198.55
bell.ca.upgrade-accounts.com 86.52.55.254
bell.ca.upgrade-accounts.com 88.169.2.156
bell.ca.upgrade-accounts.com 88.185.146.240
bell.ca.upgrade-accounts.com 88.61.120.136
bell.ca.upgrade-accounts.com 89.195.11.101
bell.ca.upgrade-accounts.com 89.195.203.163
bell.ca.upgrade-accounts.com 89.195.69.140
bell.ca.upgrade-accounts.com 91.67.60.242
bell.ca.upgrade-accounts.com 92.11.210.200
bell.ca.upgrade-accounts.com 92.15.0.90
bell.ca.upgrade-accounts.com 92.41.10.236
bell.ca.upgrade-accounts.com 92.49.112.66
bell.ca.upgrade-accounts.com 93.80.43.196
bell.ca.upgrade-accounts.com 93.81.219.84
bell.ca.upgrade-accounts.com 95.221.8.233
bell.ca.upgrade-accounts.com 98.154.121.106
bell.ca.upgrade-accounts.com 98.193.136.121
bell.ca.upgrade-accounts.com 98.208.170.143
bell.ca.upgrade-accounts.com 98.239.34.67
bell.ca.upgrade-accounts.com 99.144.178.98
ns2.my-toshi-dns.com 216.16.111.15
ns2.my-toshi-dns.com 24.164.252.40
ns2.my-toshi-dns.com 64.150.244.50
ns2.my-toshi-dns.com 66.41.35.61
ns2.my-toshi-dns.com 67.60.51.148
ns2.my-toshi-dns.com 68.61.133.232
ns2.my-toshi-dns.com 69.88.210.46
ns2.my-toshi-dns.com 72.188.10.131
ns2.my-toshi-dns.com 74.137.209.179
ns2.my-toshi-dns.com 76.106.45.169
ns2.my-toshi-dns.com 76.226.3.189
ns2.my-toshi-dns.com 79.182.107.157
ns2.my-toshi-dns.com 82.81.59.108
ns2.my-toshi-dns.com 98.231.216.148
ns2.my-toshi-dns.com 99.144.178.98
ns2.my-toshi-dns.com 99.145.1.33
ns3.the-breakfast-dreams.com 138.210.154.36
ns3.the-breakfast-dreams.com 204.118.0.2
ns3.the-breakfast-dreams.com 216.16.111.15
ns3.the-breakfast-dreams.com 24.224.130.181
ns3.the-breakfast-dreams.com 24.24.222.220
ns3.the-breakfast-dreams.com 64.150.244.50
ns3.the-breakfast-dreams.com 66.56.48.61
ns3.the-breakfast-dreams.com 67.176.38.186
ns3.the-breakfast-dreams.com 67.189.218.254
ns3.the-breakfast-dreams.com 69.88.210.46
ns3.the-breakfast-dreams.com 71.9.74.21
ns3.the-breakfast-dreams.com 75.53.216.199
ns3.the-breakfast-dreams.com 76.106.45.169
ns3.the-breakfast-dreams.com 76.226.3.189
ns3.the-breakfast-dreams.com 79.182.107.157
ns3.the-breakfast-dreams.com 99.144.178.98

Here is a sample of the Paypal version of this phishing campaign . . . the samples received on 02SEP09 actually give the red-letter due date of September 4, 2009.



And this is what the destination website looks like:



paypal.account-verifications.com 121.221.178.220
paypal.account-verifications.com 121.221.27.162
paypal.account-verifications.com 121.221.38.55
paypal.account-verifications.com 124.13.161.90
paypal.account-verifications.com 124.178.143.91
paypal.account-verifications.com 124.178.61.167
paypal.account-verifications.com 138.210.154.36
paypal.account-verifications.com 143.238.217.216
paypal.account-verifications.com 149.84.93.20
paypal.account-verifications.com 173.24.196.107
paypal.account-verifications.com 174.103.124.144
paypal.account-verifications.com 174.112.140.242
paypal.account-verifications.com 189.100.238.142
paypal.account-verifications.com 189.102.0.4
paypal.account-verifications.com 200.181.232.149
paypal.account-verifications.com 200.87.22.27
paypal.account-verifications.com 202.131.190.199
paypal.account-verifications.com 202.181.203.146
paypal.account-verifications.com 202.77.97.227
paypal.account-verifications.com 203.213.76.12
paypal.account-verifications.com 204.118.0.2
paypal.account-verifications.com 207.112.105.241
paypal.account-verifications.com 207.255.141.194
paypal.account-verifications.com 209.226.103.11
paypal.account-verifications.com 212.183.199.25
paypal.account-verifications.com 213.213.224.71
paypal.account-verifications.com 213.77.79.30
paypal.account-verifications.com 213.94.231.25
paypal.account-verifications.com 216.16.111.15
paypal.account-verifications.com 216.209.249.45
paypal.account-verifications.com 216.209.249.62
paypal.account-verifications.com 217.166.213.26
paypal.account-verifications.com 219.83.125.242
paypal.account-verifications.com 220.253.150.163
paypal.account-verifications.com 220.253.17.133
paypal.account-verifications.com 220.253.34.101
paypal.account-verifications.com 220.253.5.151
paypal.account-verifications.com 24.11.189.120
paypal.account-verifications.com 24.161.9.69
paypal.account-verifications.com 24.164.252.40
paypal.account-verifications.com 24.167.235.62
paypal.account-verifications.com 24.176.238.10
paypal.account-verifications.com 24.2.218.189
paypal.account-verifications.com 24.205.113.172
paypal.account-verifications.com 24.215.216.188
paypal.account-verifications.com 24.224.130.181
paypal.account-verifications.com 24.244.131.150
paypal.account-verifications.com 24.95.71.28
paypal.account-verifications.com 58.175.18.110
paypal.account-verifications.com 58.179.58.219
paypal.account-verifications.com 60.53.167.111
paypal.account-verifications.com 64.150.244.50
paypal.account-verifications.com 64.212.203.42
paypal.account-verifications.com 65.202.231.12
paypal.account-verifications.com 65.64.101.64
paypal.account-verifications.com 65.75.110.66
paypal.account-verifications.com 66.169.38.6
paypal.account-verifications.com 66.38.128.32
paypal.account-verifications.com 66.56.48.61
paypal.account-verifications.com 66.68.181.143
paypal.account-verifications.com 67.110.218.85
paypal.account-verifications.com 67.176.38.186
paypal.account-verifications.com 67.189.218.254
paypal.account-verifications.com 67.203.215.110
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Tuesday, 1 September 2009

Koobface wrecks Search results

Posted on 04:21 by Unknown
One question that people often ask when we describe how millions of computers are infected with malware is "Why would anyone do that?" The answer of course is: MONEY.

Some of these money making schemes are so convolluted that it seems unlikely that anyone could make any money at them, but even if they only make a couple pennies per day on each machine, when you have millions of compromised machines, that adds up over time.

Ellen Mesmer of Network World documented America's Ten Most Wanted Botnets last month, and placed Zeus at #1, followed by Koobface at #2. That's a pretty good prioritization system, and one we are following at UAB in our Malware Analysis lab. Zeus is straight-forward. It steals money by compromising their banking credentials, and stealing the money out of their bank accounts. Koobface is far more subtle. With more than 2.9 million compromised American computers, its well worth looking at closer.

UAB Computer Forensics now has three Malware Analysts looking at malware. Brian Tanner, the most senior of the crew, has been looking at Koobface on a regular basis since January, and has a good understanding of how it works. He walked me through the paces yesterday, explaining the most recent version, starting by clicking on a link posted by a "friend" we maintain on Facebook because we can always count on him to provide a link to the current malware.

In this case, the link appeared to be a "video" that our friend wanted us to play. In reality, it caused our goat machine to fetch a URL from the site:

rect08242009.com/youtube.com/w/?video/

That fetch actually pulled another file called "ups.php", which caused us to run code from:

masa31082009.com/go/fb_w.php

That program maintains a list of compromised Facebook user computers, and sends us to one of them to retrieve a page. On our first fetch, I got a page that looked like this:



Reloading the page repeatedly took us on a world tour of Koobface infected computers:

87.68.44.27 - Israel
77.209.151.61 - Spain
82.230.156.57 - France
81.218.240.227 - Israel
75.67.228.96 - United States
99.231.223.214 - Canada
62.219.75.124 - Israel
58.106.194.24 - Australia
196.217.41.210 - Morocco
92.236.36.252 - United Kingdom
190.160.116.8 - Chile
67.160.142.66 - United States
85.224.115.120 - Sweden
41.201.58.21 - Algeria
79.181.30.45 - Israel
71.225.221.135 - United States

Network Administrators, each of these pages (today) was loading the malware from a path called /0x3e8/. If you see anyone hitting that path on any of your IP addresses, you may have a Koobface infection on your network.

Each page was 100% identical to each other page.

After seeing the page, a program runs so that when you next click a mouse button or type a key, you receive a popup message telling you that you need to upgrade your Flash Player in order to see the video your friend is trying to share with you.

Of course, THAT is what infects your computer. You are prompted to download and execute a file called 'setup.exe' which is the actual Koobface malware. Once downloaded, the bad guys can cause your computer to do many new things.

A VirusTotal report on this malware indicates that it is currently detected by 23 of 41 anti-virus products, up by five from the 18 of 41 that detected it last night.

Network Administrators can recognize infected machines because they will communicate with some of the following Command & Control domains for this version of Koobface:

suz11082009.com
xtd2s0090815.com
rect08242009.com
zadnik270809.com
pari270809.com
mymegadomain03072009.com

and of course as we already mentioned, masa31082009.com.

Tanner unpacked the setup.exe binary and was able to find strings indicating that the malware knows how to interact with several social networking sites, including:

hi5.com
tagged.com
twitter.com
bebo.com
facebook.com
myspace.com
netlog.com

But how does the site make money? Koobface is the "infect and spread" function, but other malware dropped to our computer performed the "monetize" function. In our case, Koobface's command & control (C&C) server at suz11082009.com (61.235.117.83) gave us several .exe files, including ff2ie.exe, fb.61.exe, and v2prx.exe. These were copied to other file names after being downloaded, including "pp11.exe" and "mset.exe".

In our case, a fake anti-virus product, also known as a "scareware" installation, was downloaded and began pestering us relentlessly that our machine was infected with viruses and that we needed to purchase a copy of their fake anti-virus product in order to stop these messages from popping up. In our case the fake product was "PC AntiSpyWare 2010".

That is the more obvious money-maker. Its amazing how many people fall for this scam! Previous busts of scareware vendors indicate that they have dozens of employees in their companies and have sold millions of dollars worth of the fake products! The scam is described on the FTC's website as Free Security Scan Could Cost Time and Money, and took action against companies in December 2008, and June 2009 against one company who successfully sold their fake product to more than 1 million consumers!
That's $40 Million Dollars!

The other way that these companies make money is through "affiliate advertising programs". Brian Tanner demonstrated for me in the lab. On an uninfected computer, when one does a Google search, Google returns results, and then you can visit the pages by clicking on the link in the results tab. On a computer that had been infected with Koobface, a secondary infection had been downloaded which caused search results to be redirected through an elaborate network of affiliate advertising programs. In order to prevent too much suspicion, it seems that a random chance is performed before deciding whether to give you your real page, or take you to an advertising page instead.

Some examples that Brian showed me included:

Search for "dog" or "cat" -- took us to the 3M Scotch Fur Remover page, no matter what Google result we clicked on.

Search for "cheap games" -- took us to the Geek Life page (gklife.com), no matter what Google result we clicked on.

Search for "Symantec" or "McAfee" -- took us to "stopsign.com", no matter what Google result we clicked on.

By looking at a network packet capture, we could see that we were being routed through many hops, that usually began with a computer called "findy31.com".

So, findy31.com (85.13.236.155) would send us to "kc.mv.bidsystem.com" which would send us to "kc.xmlseasrch.miva.com" (204.137.28.195), which sent us to "www.toseeka.com".

Or, findy31.com would send us to xmlsearch.miva.com, which sent us to "www.shopica.com".

Of, findy31.com would send us to "atl.mv.bidsystem.com", which sent us to "atl.xmlsearch.miva.com" (66.150.51.151), which sent us to "www.stopsign.com".

Several of the pages we were redirected through are legitimate advertisement affiliate programs, which pay webmasters for referring traffic to their sites. The problem here is that some "bad affiliates" have joined their program, and are redirecting traffic by use of search engine result manipulation, instead of legitimately interested customers choosing to click on advertisements.

Brian's other discovery was in his analysis of the malware which performs the redirection. That malware had several hardcoded addresses to control its function, including some IP addresses, such as 69.162.121.82, 69.162.90.138, 69.162.84.186, 216.245,196.234, and also some domain names, including fire***eye.com, and f***briankrebs.com, and antisgetout.cn.

We shared the Brian Krebs domain with our friend at the Washington Post, who authors the excellent column "Security Fix". He responded with today's column From Koobface with Love, where he and Alex Lanstein from FireEye, another great security researcher, reflect on what it means to have a malware domain named after themselves. Alex calls it "a feather in his cap." Well done, gentlemen! Keep up the good fight!
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