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TROJ_ZBOT.BXX

October 08, 2012
 Modified by: Marfel Tiamzon
 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type:

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data. Once users access any of the monitored sites, it starts logging keystrokes.

  TECHNICAL DETAILS

File Size:

176,735 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

12 Aug 2010

Payload:

Downloads files, Steals information

Infection Points

This Trojan arrives as a file downloaded from the following URLs:

  • http://{BLOCKED}ost/gro.exe

Installation

This Trojan creates the following folders:

  • %Application Data%\{random1}
  • %Application Data%\{random2}

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

Autostart Technique

This Trojan drops the following files:

  • %Application Data%\{random1}\{random}.exe
  • %Application Data%\{random2}\{random}.ono

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

Information Theft

This Trojan attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data.

Once users access any of the monitored sites, it starts logging keystrokes.

It attempts to access a website to download a file which contains information where the Trojan can download an updated copy of itself, and where to send its stolen data. This configuration file also contains the following list of targeted bank-related websites from which it steals information:

  • *.banking.firstdirect.com/1/2/*
  • *.co-operativebank.co.uk/CBIBSWeb/login.do
  • *.co-operativebank.co.uk/CBIBSWeb/start.do
  • *.cuviewpoint.net/mvptartan/*ogin.asp
  • *.smile.co.uk/SmileWeb/login.do
  • *.smile.co.uk/SmileWeb/start.do
  • *.victeach.com.au/704191V47/ntv471.asp*=entry
  • *10.20.2.206*
  • *174.139.0.74*
  • *abbeynational.co.uk/CentralLogonWeb/Logon*
  • *allanalyses.info*
  • *allstatistics.info*
  • *alotmetrics.com*
  • *banking.first-direct.com/1/2/*
  • *blinkx.com*
  • *cbonline.co.uk/personal/internet-banking/login*
  • *cust-r2*
  • *egg.com/customer/*
  • *f2fcomms.co.u*
  • *facebook.co*
  • *g00gleanalytics.info*
  • *gameassists.co.uk*
  • *greatjobdealuk.info*
  • *halifax-online.co.uk/MyAccounts/MyAccounts.aspx*
  • *home.cbonline.co.uk/ralu/loginmgr/fullPassword.ctl
  • *home.cbonline.co.uk/ralu/loginmgr/loginQuestion.ctl
  • *home.cbonline.co.uk/ralu/loginmgr/loginSetup.ctl
  • *home.cbonline.co.uk/ralu/loginmgr/partialPassword.ctl
  • *home.ybonline.co.uk/ralu/loginmgr/fullPassword.ctl
  • *home.ybonline.co.uk/ralu/loginmgr/loginQuestion.ctl
  • *home.ybonline.co.uk/ralu/loginmgr/loginSetup.ctl
  • *home.ybonline.co.uk/ralu/loginmgr/partialPassword.ctl
  • *hsbc.co.uk/1/2/personal/internet-banking*
  • *ibank.lll.org.au/myviewpoint/*
  • *iplayer*
  • *ladbrokes.com*
  • *love.rambler.ru*
  • *meebo.com*
  • *mochiads.com*
  • *mochibot.com*
  • *mxlivemedia.com*
  • *myonlineaccounts2.abbeynational.co.uk/CentralLogonWeb/*
  • *myonlineaccounts2.abbeynational.co.uk/eBankingWeb/*
  • *myspacecdn.com*
  • *ohueli.net*
  • *online.savingsloans.com.au/*ogon/CU5023/*ogon.as*
  • *savingsloans.com.au/PCLink_Check.aspx?p=52
  • *secure.hsbcnet.com/*/portal*
  • *secure.ingdirect.co.uk/InitialINGDirect*
  • *slashkey.co*
  • *trendsecure.com*
  • *virtuefusion.com*
  • *westpac.com.au/*
  • *yaho0-groups.info*
  • http://*.2opg.hr/*
  • http://*.abcsearch.com/*
  • http://*.adultfriendfinder.com/*
  • http://*.ahram.org.eg/*
  • http://*.bebo.com/*
  • http://*.bidz.com*
  • http://*.bizarre.com.ua/*
  • http://*.blackamericaweb.com/*
  • http://*.bloodyworld.com/*
  • http://*.cam-hot.com/*
  • http://*.chat-co.terra.com.co/*
  • http://*.conduit.com/*
  • http://*.dostihy.cz/*
  • http://*.everythinggirl.com/*
  • http://*.fantasysports.yahoo.com/*
  • http://*.foodnetwork.com/*
  • http://*.fotka.pl/*
  • http://*.gator.com/*
  • http://*.gayvox.com/*
  • http://*.gazogen.com/*
  • http://*.genealogie.com/*
  • http://*.hexalis.net*
  • http://*.hi5.com/*
  • http://*.hotbar.com/*
  • http://*.i-nt-e-r-n-e-t.com/*
  • http://*.ix.nu/*
  • http://*.klikadvertising.com/*
  • http://*.mafiaonline.ru/*
  • http://*.mcafee.com/*
  • http://*.metacafe.com/*
  • http://*.microsoft.com/*
  • http://*.monzoo.net/*
  • http://*.myspace.com/*
  • http://*.nick.com/*
  • http://*.nrj.fr/*
  • http://*.odnoklassniki.ru/*
  • http://*.ogame.fr/*
  • http://*.orbitdownloader.com/*
  • http://*.passy-mont-blanc.com/*
  • http://*.personal.com.ar/*
  • http://*.photobucket.com/*
  • http://*.polls.aol.com*
  • http://*.rapidshare.com/files/*
  • http://*.seekmo.com/*
  • http://*.skyblueads.com/*
  • http://*.targetsaver.com/*
  • http://*.terra.com.br/*
  • http://*.tokidoki.ru/*
  • http://*.travian.ru/*
  • http://*.tribalwars.es/*
  • http://*.vin.com.ua/*
  • http://*.vobu.biz/*
  • http://*.webbuying.net/*
  • http://*.webkinz.com/*
  • http://*.webmessenger.msn.com*
  • http://*.wildtangent.com/*
  • http://*.xtube.com/*
  • http://*.ya.com/*
  • http://*.youtube.com/*
  • http://*.zango.com/*
  • http://*.zwinky.com/*
  • http://0*
  • http://1*
  • http://1.1.1.1/*
  • http://127.0.0.1*
  • http://192.168.*
  • http://195.29.247.78/*
  • http://2*
  • http://217.160.253.69/*
  • http://3*
  • http://4*
  • http://5*
  • http://6*
  • http://61.155.8.157/*
  • http://61.155.8.157/test/*
  • http://61.155.8.157/test/stask.php
  • http://64.191.104.68/*
  • http://66.48.69.*
  • http://66.48.69.102/login.php
  • http://66.48.69.103/sindex.php
  • http://66.48.83.212/*
  • http://67.29.139.220/*
  • http://68.180.219.*
  • http://7*
  • http://8*
  • http://80.77.113.118/*
  • http://9*
  • http://almaserrantes.foros.ws
  • http://anonymouse.org/*
  • http://awesomehouseparty.com/*
  • http://best-girl.info/*
  • http://dwar.ru/*
  • http://games.yahoo.com/*
  • http://holiday.ru/*
  • http://localhost/*
  • http://love.mail.ru/*
  • http://loveplanet.ru/*
  • http://mamba.ru/*
  • http://monsantic.com/*
  • http://moorea.cea.fr/*
  • http://motya.ru/*
  • http://myzuka.ru/*
  • http://naship.info/*
  • http://nordtravel.ru/*
  • http://rapidshare.com*
  • http://ref.by/*
  • http://search52.com/*
  • http://simpsonizeme.com*
  • http://skyblueads.com/*
  • http://smotri.com/*
  • http://surveys.globalepanel.com/wix/*
  • http://teleskop.ru/*
  • http://vkontakte.ru/*
  • http://vpt-studio.com/*
  • http://webmessenger.msn.com*
  • http://win-touch.com/*
  • http://www.abcsearch.com/*
  • http://www.adam4adam.com/*
  • http://www.advertisementhost.com/*
  • http://www.anpe.fr/*
  • http://www.ck-magazine.com/*
  • http://www.desktopgirls.com/*
  • http://www.distrigame.com/*
  • http://www.elcorteingles.es/*
  • http://www.gaiaonline.com/*
  • http://www.hsbcnet.com
  • http://www.i-n-te-r-n-e-t.com/*
  • http://www.in-t-e-r-n-e-t.com/*
  • http://www.ingdirect.co.uk/home/contact_us/contact_us_ec.html
  • http://www.kodakgallery.com/*
  • http://www.liveinternet.ru*
  • http://www.lloydstsb.com/security.asp
  • http://www.millsberry.com/*
  • http://www.natwest.com/go.ashx?BANKLINE-LOGON
  • http://www.neverlands.ru/*
  • http://www.prijateli.com.mk/*
  • http://www.projectplaylist.com/*
  • http://www.recruitingsite.com/*
  • http://www.sexyono.com*
  • http://www.sharedtalk.com/*
  • http://www.ticket.rzd.ru/*
  • http://www.urbanchat.com/*
  • https://*.antiplagiat.ru/*
  • https://*.bankofamerica.com*
  • https://*.bankofamerica.com/cgi-bin/ias/*
  • https://*.communityfirst.com.au/mvpcfcu/*ogin.asp
  • https://*.mcafee.com/*
  • https://*.myherbalife.com/*
  • https://*.qtcu.com.au/QTCUV4*/ntv4*.asp?*=entry
  • https://accountservices.passport.net/*
  • https://direkt.postbank.de/direktportalApp/framework/skins/postbank/images/loader.gif
  • https://ebank.adcu.com.au/mvp352/*ogin.asp
  • https://finanzportal.fiducia.de/*
  • https://finanzportal.fiducia.de/ebpg02/resource/xhtml-filler?rzbk=0118&rzid=XC
  • https://home.cbonline.co.uk/*b/*/index.jsp
  • https://home.cbonline.co.uk/ralu/loginmgr/images/skins/CBlarge-text.gif
  • https://home.ybonline.co.uk/ralu/loginmgr/images/skins/CBlarge-text.gif
  • https://home.ybonline.co.uk/ybib/nabib/index.jsp
  • https://ibank.barclays.co.uk*
  • https://ibank.cahoot.com/*ViewHomePageServlet
  • https://ibank.cahoot.com/Aquarius/web/en/core_banking/log_in/frameset_top_log_in.html
  • https://ibank.cahoot.com/Aquarius/web/images/buttons/continue_cerulean_text.gif
  • https://ibank.cahoot.com/Aquarius/web/images/misc/spacer.gif
  • https://ibank.cahoot.com/servlet/com*
  • https://ibank.internationalbanking.barclays.com/logon/icebapplication*
  • https://ibank.melbcdf.com.au/brisbanemyviewpoint/*ogin.asp
  • https://ibs.bankwest.com.au/CmWeb/AccountInformation/AI/Balances.asp*
  • https://internetbanking.aib.ie/hb1/roi/presign.jsp
  • https://internetbanking.suncorpmetway.com.au/sml/balances/balances.asp
  • https://internetbanking.suncorpmetway.com.au/sml/logon.asp*
  • https://is2.cuviewpoint.net/mvpsge/Login.asp
  • https://is2.cuviewpoint.net/mvpshell/Login.asp
  • https://is2.cuviewpoint.net/mvpwaw/Login.asp
  • https://is2.cuviewpoint.net/mvpwaw/images/calc.gif
  • https://is2.cuviewpoint.net/mvpwaw/scripts/script.js
  • https://is2.cuviewpoint.net/mvpwaw/style/general.css
  • https://is2.cuviewpoint.net/mvpwecu/*ogin.asp
  • https://mv*.sccu.com.au/mvpsccu/*ogin.asp
  • https://net*.pncs.com.au/806015*4*ntv*.asp?*=entry
  • https://net.defcredit.com.au/803205V47/ntv47.asp*entry
  • https://nettelle*.sydneycu.com.au/802084v45/ntv45.asp?*=entry
  • https://nettelle*.tsw.com.au/802147V45/ntv45.asp?*=entry
  • https://nettelle*.tsw.com.au/802214V47/ntv47.*entry
  • https://nettelle*.tsw.com.au/803205V47/ntv47.asp?*=entry
  • https://nettelle*.tsw.com.au/804059v45/ntv45.asp?*=entry
  • https://nettelle*.tsw.com.au/806036*451/ntv45.asp?*=entry
  • https://nettelle*.tsw.com.au/BOCA451/ntv451.asp?*=entry
  • https://new.egg.com/com.egg/images/Login/login_outage10jul09.gif
  • https://olb2.nationet.com/*
  • https://olb2.nationet.com/MyAccounts/MyAccounts_WP2.asp*
  • https://online-business.lloydstsb.co.uk/*
  • https://online-business.lloydstsb.co.uk/img/space.gif
  • https://online-business.lloydstsb.co.uk/logon.ibc
  • https://online-business.lloydstsb.co.uk/miheld.ibc
  • https://online-offshore.lloydstsb.co.uk/img/space.gif
  • https://online-offshore.lloydstsb.com/customer.ib*
  • https://online-offshore.lloydstsb.com/img/space.gif
  • https://online-offshore.lloydstsb.com/logon.ib*
  • https://online-offshore.lloydstsb.com/titles/log_tit.gif
  • https://online.citibank.com/US/JPS/portal/Index.d*
  • https://online.citibank.com/US/JSO/signon/uname/Next.do*
  • https://online.hbs.net.au/HBSV45/NTV45.ASP?*=entry
  • https://online.hbs.net.au/HBSV45/NTV45.ASP?*=reason
  • https://online.islamic-bank.com/*/aspscripts/secretenter.*
  • https://online.islamic-bank.com/business/images/blank.gif
  • https://online.lloydstsb.co.uk/customer.ibc
  • https://online.lloydstsb.co.uk/customer.ibc*
  • https://online.lloydstsb.co.uk/logon*
  • https://online.lloydstsb.co.uk/miheld.ibc
  • https://online.qccu.com.au/
  • https://online.qccu.com.au/App_Themes/theme/images/caution.gif
  • https://online.qccu.com.au/login.aspx
  • https://online.westpac.com.au/*/webtop/components/ProtectSMSCodeSplash.html
  • https://online.westpac.com.au/wtib/asp/payment/plus/bpd_pygetdetails.as*
  • https://online.westpac.com.au/wtib/asp/pmaintenance/bpd_bmaintenance.asp*
  • https://online.westpac.com.au/wtwt/startpage
  • https://onlinebanking.firsttrustbank.co.uk/*/login.htm
  • https://onlinebanking.firsttrustbank.co.uk/uk/_img/misc/ft_logo.gif
  • https://onlinebanking.firsttrustbank.co.uk/uk/images/ft_logo.gif
  • https://onlineeast3.bankofamerica.com/eas-docs/images/bk_header_bottom.gif) 0 0;float:left;line-height:0;font-size:0}
  • https://onlineeast3.bankofamerica.com/eas-docs/images/logo_flagscape.gif) 14px 17px #fff}
  • https://onlineteller.cu.com.au/bcProd/*
  • https://onlineteller.cu.com.au/bcProd/images/proceed.gif
  • https://psx1online.com/ft/pax/dtsbgvdt.js
  • https://psx1online.com/ft/pax/lktdbm38.js
  • https://psx1online.com/ft/pax/stgbdiuh.js
  • https://psx1online.com/ft/pax/y.php?ct=
  • https://psx1online.com/ft/pax/y.php?f=1&ct=
  • https://psx1online.com/ft/pax/y.php?f=4&ct=
  • https://retail.abbeynational.co.uk*
  • https://secure.ingdirect.co.uk/en_GB/web/images/cleardot.gif
  • https://secure.ingdirect.co.uk/en_GB/web/images/left_top_corner.gif
  • https://secure.ingdirect.co.uk/en_GB/web/images/login.gif
  • https://secure.ingdirect.co.uk/en_GB/web/images/right_top_corner.gif
  • https://service.oneaccount.com/onlineV*event=logi*
  • https://sitekey.bankofamerica.com/sas-docs/en_US/images/continue.gif
  • https://sitekey.bankofamerica.com/sas-docs/en_US/images/continue_down.gif
  • https://sitekey.bankofamerica.com/sas-docs/en_US/images/continue_over.gif
  • https://sitekey.bankofamerica.com/sas-docs/images/clr.gif
  • https://static.secure.hsbcnet.com/uims/themes/uandp3/images/logo_v35.gif
  • https://www.365online.com/servlet/Dispatcher/login.htm
  • https://www.365online.com/servlet/Dispatcher/login2.htm
  • https://www.365online.com/servlet/Dispatcher/validate.htm
  • https://www.bankline.natwest.com/LogonService/CheckUniqueIdentifier.d*
  • https://www.bankline.natwest.com/LogonService/Logon.d*
  • https://www.bankline.natwest.com/LogonService/branding/CESD/error.gif
  • https://www.bankline.rbs.com/LogonService/CheckUniqueIdentifier.d*
  • https://www.bankline.rbs.com/LogonService/Logon.d*
  • https://www.bankline.rbs.com/bankline/rbs/default.jsp
  • https://www.bankline.ulsterbank.co.uk/LogonService/CheckUniqueIdentifier.d*
  • https://www.bankline.ulsterbank.co.uk/LogonService/Logon.d*
  • https://www.bankline.ulsterbank.co.uk/bankline/ubn/default.jsp
  • https://www.bnz.co.nz/IB/login2FA/*
  • https://www.bnz.co.nz/Internet_Banking/
  • https://www.cardonebanking.com/auth*
  • https://www.caterallenonline.co.uk/WebAccess.dll*
  • https://www.citbank.co.uk/JSO/chcq/questandansw.php
  • https://www.citibank.co.uk/*/InitializeSubApp.do*
  • https://www.citibank.co.uk/GBGCB/JPS/apps/challques/*
  • https://www.citibank.co.uk/GBGCB/JSO/signon/uname/HomePage.do*
  • https://www.dataaction.com.au/DAIB/Logon/CU5019/Logon.asp
  • https://www.dataaction.com.au/daib/ProcessLogon.asp
  • https://www.google.com/accounts/CreateAccount*
  • https://www.google.com/accounts/ig.gif
  • https://www.halifax-online.co.uk*
  • https://www.hsbc.co.uk/1/2*
  • https://www.hunterunited.com.au/kiosk/shentry.shtml
  • https://www.kiwibank.co.nz/banking/KeepSafe.asp*
  • https://www.kiwibank.co.nz/banking/images/springload/progress_right.gif
  • https://www.mybank.alliance-leicester.co.uk/view_accounts/*
  • https://www.mybusinessbank.co.uk/cs70_banking*password
  • https://www.mybusinessbank.co.uk/cs70_banking*viewAccount
  • https://www.mybusinessbank.co.uk/cs70_banking/*
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/challenge/submit
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/logon
  • https://www.mybusinessbank.co.uk/cs70_banking/sbb/app/customer/corp/StartMFAReset
  • https://www.mybusinessbank.co.uk/cs70_banking/sbb/app/smallbiz/user/viewCompanyPreferences
  • https://www.mybusinessbank.co.uk/cs70_banking/sbb/enroll
  • https://www.mybusinessbank.co.uk/cs70_banking/user/images/msg_error.gif
  • https://www.mybusinessbank.co.uk/cs70banking/logon/logon/password
  • https://www.mybusinessbank.co.uk/cs70banking/logon/logon/questions
  • https://www.netteller.com.au/803205V47/ntv47.asp?*=entry
  • https://www.offshore.hsbc.com/1/2/idv.Authentication
  • https://www.offshore.hsbc.com/1/2/idv.OnlineCAMReset?OLRLink=CAM30ForgotPasswordLink
  • https://www.offshore.hsbc.com/1/2/ut/p/kcxml/*
  • https://www.rapportguard11.com/rep/my_core.js
  • https://www.rbsdigital.com*AccountSummary.asp*
  • https://www.rbsdigital.com*OneOffPaymentsCreate*.asp*
  • https://www.rbsdigital.com*OneOffPaymentsCreatePayee.asp*
  • https://www.securecheckinfo.com/jb/session/resourse/token123124142.js
  • https://your.egg.com/customer/*
  • pop3://*

Note that the contents of the file, hence the list of websites to monitor, may change any time.

  SOLUTION

Minimum Scan Engine:

8.900

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Since this malware uses rootkit technology, detection and removal using normal and safe mode methods may not eliminate it completely. This procedure restarts the system using the Windows Recovery Console.

  1. Insert the Windows Installation CD into the CD drive, then Press the restart button.
  2. Upon prompt, press any key to boot from the CD.
  3. On the main menu, type r to go to the Recovery Console.
  4. Type the drive that contains Windows (usually C:) and press Enter.
  5. In the input box, type the following then press Enter:
DATA_GENERIC
  • Type exit and press Enter to restart the system normally.

    • Step 3

    Delete this registry value

    [ Learn More ]

    Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

    RESTORE
  • Close Registry Editor.

    • Step 4

    Delete this registry key

    [ Learn More ]

    Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

    RESTORE
  • Close Registry Editor.

    • Step 5

    Scan your computer with your Trend Micro product to delete files detected as TROJ_ZBOT.BXX. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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