TSPY_ZBOT.CFS

October 08, 2012
 Analysis by: Marfel Tiamzon
 PLATFORM:

Windows 98, ME, NT, 2000, XP, Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This spyware 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 steal information, such as user names and passwords, used when logging into certain banking or finance-related websites.

It attempts to get information from a list of banks or financial institutions.

  TECHNICAL DETAILS

File Size:

147,968 bytes

File Type:

EXE

Memory Resident:

Yes

Infection Points

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

  • http://91.216.215.77/uk/win7.exe

Installation

This spyware 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 spyware adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{3AD5097F-CF7F-65FA-D0CD-6E7903491FE9} = %Application Data%\{random1}\{random}.exe

Other System Modifications

This spyware adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
{random}
{Default} =  

Dropping Routine

This spyware drops the following files:

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

(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 spyware 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.

It accesses the following site to download its configuration file:

  • http://91.216.215.77/uk/denwer.doc

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/!ut/p/kcxml/*
  • *.banking.firstdirect.com/1/2/!ut/p/kcxml/04_Sj9SPykssy*
  • *.ebay.*/*eBayISAPI.dll?*
  • *.hsbc.co.uk/1/2/!ut/p/kcxml*QS_cmd_NewThirdPartyPaymentCommand*
  • *.hsbc.co.uk/1/2/*idv.CustomerMigration
  • *.hsbc.co.uk/1/2/personal*
  • *.hsbc.co.uk/1/2/personal/internet-banking/payment*
  • *.hsbc.co.uk/1/2/personal/internet-banking/payments*
  • *.hsbc.co.uk/1/2/personal/internet-banking/recent-transactio*
  • *.partnerandaffinitycards.co.uk/servicing/Logon.aspx?*
  • */CapitalOne_Consumer/*
  • */my.ebay.*/*
  • */my.ebay.*/*CurrentPage=MyeBayPersonalInfo*
  • *commissioncontrol.net*
  • *coventrybuildingsociety.co.uk*
  • *mybank.alliance-leicester.co.uk*
  • *mybank.alliance-leicester.co.uk/move_money/*MM*.asp*
  • *mybank.alliance-leicester.co.uk/view_accounts/VA*
  • *mybank.alliance-leicester.co.uk/your_payees/YP1point1a.asp*
  • *npbs.co.uk*
  • *nwolb.com/*
  • *nwolb.com//OneOffPaymentsCreatePayee.aspx
  • *nwolb.com/AccountSummary.aspx
  • *nwolb.com/OneOffPaymentsCreateBillPayee.aspx*
  • *nwolb.com/OneOffPaymentsCreatePayment.aspx*
  • *nwolb.com/OneOffPaymentsPayeeList.aspx
  • *nwolb.com/StatementsFixedPeriod.aspx*
  • *nwolb.com/login.aspx*
  • *rbsdigital.com/*
  • *rbsdigital.com//OneOffPaymentsCreatePayee.aspx
  • *rbsdigital.com/AccountSummary.aspx
  • *rbsdigital.com/OneOffPaymentsCreateBillPayee.aspx*
  • *rbsdigital.com/OneOffPaymentsCreatePayment.aspx*
  • *rbsdigital.com/OneOffPaymentsPayeeList.aspx
  • *rbsdigital.com/StatementsFixedPeriod.aspx*
  • *rbsdigital.com/login.aspx*
  • *tuxedomoney.com*
  • *www.hsbc.co.uk/1/2/!ut/p/kcxml*
  • http*://*alliance-leicester.co.uk*
  • http*://*cbonline.co.uk*
  • http*://*co-operativebank.co.uk*
  • http*://*lloydstsb.co.uk*
  • http*://*smile.co.uk*
  • http*://*ybonline.co.uk*
  • http://brclscounter.com/all/balance.php?bank=alliance&action=get&login=
  • http://feedback.ebay.ca/ws/eBayISAPI.dll?ViewFeedback&*
  • http://feedback.ebay.co.uk/ws/eBayISAPI.dll?ViewFeedback&*
  • http://feedback.ebay.com/ws/eBayISAPI.dll?ViewFeedback&*
  • http://feedback.ebay.de/ws/eBayISAPI.dll?ViewFeedback&*
  • http://feedback.ebay.es/ws/eBayISAPI.dll?ViewFeedback&*
  • http://feedback.ebay.fr/ws/eBayISAPI.dll?ViewFeedback&*
  • http://feedback.ebay.ie/ws/eBayISAPI.dll?ViewFeedback&*
  • http://feedback.ebay.it/ws/eBayISAPI.dll?ViewFeedback&*
  • http://feedback.ebay.nl/ws/eBayISAPI.dll?ViewFeedback&*
  • http://feedback.ebaySummary
  • http://smile.co.uk
  • http://www.alliance-leicester.co.uk/internetbanking/index.asp?page=home&ct=primarymenu
  • http://www.nativespeakers.ru/application/loading.gif
  • http://www.natweststockbrokers.co.uk/securehelp/loginsecurity.htm
  • http://www.natweststockbrokers.co.uk/securehelp/loginsecurity.htm#savetime
  • http://www.rocketdivision.com/img/clients/halifax_logo.png
  • http://xuliganusika.com/win7/_li/clear.php
  • http://xuliganusika.com/win7/_li/get.php
  • http://xuliganusika.com/win7/_li/log.php
  • http://xuliganusika.com/win7/_li/settrans.php
  • https://
  • https://*.banking.first-direct.com/1/2/balances*
  • https://*abbeynational.co.uk*
  • https://*ibank.internationalbanking.barclays.com/*
  • https://*ulsterbankanytimebanking.*/login.aspx*
  • https://*ulsterbankanytimebanking.co.uk/*
  • https://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js
  • https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.1/jquery-ui.min.js
  • https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.1/themes/blitzer/ui.all.css
  • https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.1/themes/smoothness/ui.all.css
  • https://banking.halifax-online.co.uk/Servicing/App/ViewStatement.asp*
  • https://cardservicing.tescofinance.com/RBSG_Consumer/UserLogin.do*
  • https://cardservicing.tescofinance.com/RBSG_Consumer/VerifyLogin.do*
  • https://cardsonline-consumer.com/RBSG_Consumer/*
  • https://database.acornmediauk.com/*
  • https://gbsrv.com/bizdfbsdtrwert/icq.php?table=
  • https://gbsrv.com/bizdfbsdtrwert/in.php
  • https://gbsrv.com/bizdfbsdtrwert/in.php?set=1&did=
  • https://gbsrv.com/boris/icq.php?table=
  • https://gbsrv.com/boris/in.php
  • https://gbsrv.com/boris/in.php?set=1&did=
  • https://gbsrv.com/dfbsdtrwert/icq.php?table=
  • https://gbsrv.com/dfbsdtrwert/in.php
  • https://gbsrv.com/dfbsdtrwert/in.php?set=1&did=
  • https://gbsrv.com/hf/icq.php?dr=
  • https://gbsrv.com/hf/in.php
  • https://gbsrv.com/slkdfjasdbfhuindasdf/icq.php?table=
  • https://gbsrv.com/slkdfjasdbfhuindasdf/in.php
  • https://gbsrv.com/slkdfjasdbfhuindasdf/in.php?id=
  • https://home.cbonline.co.uk/ralu/loginmgr/loginQuestion.ctl
  • https://home.cbonline.co.uk/ralu/loginmgr/loginSetup.ctl*
  • https://home.cbonline.co.uk/ralu/loginmgr/partialPassword.ctl
  • https://home.cbonline.co.uk/ralu/loginmgr/partialPassword.ctl*
  • https://home.ybonline.co.uk/ralu/loginmgr/loginQuestion.ctl
  • https://home.ybonline.co.uk/ralu/loginmgr/loginSetup.ctl*
  • https://home.ybonline.co.uk/ralu/loginmgr/partialPassword.ctl
  • https://home.ybonline.co.uk/ralu/loginmgr/partialPassword.ctl*
  • https://ibank.barclays.co.uk/*
  • https://ibank.barclays.co.uk/olb/
  • https://ibank.barclays.co.uk/olb/*/LoginTFA.do
  • https://ibank.barclays.co.uk/olb/*/NewPayee.do
  • https://ibank.barclays.co.uk/olb/*/NewPaymentSuccess.do
  • https://ibank.barclays.co.uk/olb/*/PayBill2.do
  • https://ibank.barclays.co.uk/olb/*/PayBill3.do
  • https://ibank.barclays.co.uk/olb/*/PayBill3a.do
  • https://ibank.barclays.co.uk/olb/*/PersonalFinancialSummary.do?action=*
  • https://ibank.barclays.co.uk/olb/*/SelectPaymentAccount.do
  • https://ibank.barclays.co.uk/olb/*/SelectPaymentAccount.do?action=New+Payment||Pay+Someone
  • https://ibank.barclays.co.uk/olb/*/Statement*
  • https://ibank.cahoot.*/servlet/com.aquarius.security.authentication.servlet.LogonServlet*
  • https://ibank.cahoot.com/*
  • https://ibank.internationalbanking.barclays.com/logon*
  • https://my.if.com/*
  • https://my.if.com/PlanReviewAct/plan.asp*
  • https://my.if.com/_mem_bin/formslogin.asp*
  • https://myonlineaccounts*.abbeynational.co.uk/CentralLogonWeb/MyPersonalHomepage*
  • https://myonlineaccounts2.abbeynational.co.uk/ffStatic/images/abbey_blue_logo.gif
  • https://myonlineaccounts3.abbeynational.co.uk/GPCC_ENS/BtoChannelDriver.ssobto*
  • https://olb2.nationet.com*
  • https://olb2.nationet.com/MyAccounts/*
  • https://olb2.nationet.com/images/nbslogo_dec08.gif
  • https://online-business.lloydstsb.co.uk/customer.ibc*
  • https://online-business.lloydstsb.co.uk/logon.ibc
  • https://online-business.lloydstsb.co.uk/miheld.ibc
  • https://online-offshore.lloydstsb.com/*
  • https://online.islamic-bank.com/online/aspscripts/secret*.asp*
  • https://online.lloydstsb.co.uk/logon.ibc
  • https://online.ybs.co.uk/public/authentication/login2.do*
  • https://onlinebanking.firsttrustbank.co.uk/*
  • https://secure.ingdirect.co.uk/INGDirect.html?command=displayClientAccountSummary*
  • https://secure.ingdirect.co.uk/InitialINGDirect.html*
  • https://secure.lloydstsb.co.uk/personal/*
  • https://secure.lloydstsb.co.uk/personal/*/logon/entermemorableinformation.jsp
  • https://secure.natweststockbrokers.co.uk/nws-secure2/*
  • https://service.oneaccount.com/*/OSV2?event=login&pt=3
  • https://service.oneaccount.com/onlineV2/*
  • https://service.oneaccount.com/onlineV2/*viewPortal*
  • https://uk.virginmoney.com/virgin/service/credit-card/*
  • https://welcome10.co-operativebankonline.co.uk/*security?*
  • https://welcome23.smile.co.uk/SmileImages/images/backbutton.gif
  • https://welcome23.smile.co.uk/SmileImages/images/backtosmilehomepage.gif
  • https://welcome23.smile.co.uk/SmileImages/images/clearbutton.gif
  • https://welcome23.smile.co.uk/SmileImages/images/okbutton.gif
  • https://welcome23.smile.co.uk/SmileImages/images/spacer.gif
  • https://welcome23.smile.co.uk/SmileWeb/*
  • https://welcome23.smile.co.uk/SmileWeb/passcode.do
  • https://welcome27.co-operativebank.co.uk/CBIBSImages/images/backbutton.gif
  • https://welcome27.co-operativebank.co.uk/CBIBSImages/images/clearbutton.gif
  • https://welcome27.co-operativebank.co.uk/CBIBSImages/images/okbutton.gif
  • https://welcome27.co-operativebank.co.uk/CBIBSImages/images/spacer.gif
  • https://welcome27.co-operativebank.co.uk/CBIBSWeb/*
  • https://welcome27.co-operativebank.co.uk/CBIBSWeb/fundsTransferCreatePrepare.do*
  • https://welcome27.co-operativebank.co.uk/CBIBSWeb/fundsTransferSummaryPrepare.do*
  • https://welcome27.co-operativebank.co.uk/CBIBSWeb/loginSpi.do
  • https://welcome27.co-operativebank.co.uk/CBIBSWeb/passcode.do
  • https://www*.banking.first-direct.com/1/2/*
  • https://www.365online.com/servlet/Dispatcher/*
  • 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.accessmycardonline.com/RBS_Consumer/*
  • https://www.bankcardservices.co.uk/NASApp/NetAccessXX/*
  • https://www.bankcardservices.co.uk/NASApp/NetAccessXX/AccountSnapshotScreen?acctID*
  • https://www.bankline.coutts.com/CWSLogon/*
  • https://www.bankline.coutts.com/CWSLogon/4P/CheckId.do
  • https://www.bankline.coutts.com/CWSLogon/4P/CheckPPPP.do
  • https://www.bankline.rbs.com/CWSLogon/4P/CheckId.do*
  • https://www.bankline.rbs.com/CWSLogon/logon.do*
  • https://www.barclayswealth.com/login/action/logon/unauthenticated/personal/loginDetailsNotStored
  • https://www.barclayswealth.com/login/action/logon/unauthenticated/personal/loginSigning
  • https://www.business.hsbc.co.uk/1/2*
  • https://www.business.hsbc.co.uk/1/2/!ut/p/*cmd_confirm_Payment_bill=
  • https://www.business.hsbc.co.uk/1/2/*cmd_account_list_more_details*
  • https://www.business.hsbc.co.uk/1/2/*cmd_beneficiarylist=
  • https://www.business.hsbc.co.uk/1/2/*cmd_choose_beneficiary_type=
  • https://www.business.hsbc.co.uk/1/2/*cmd_non_majorben_input=
  • https://www.business.hsbc.co.uk/1/2/*cmd_verify_bill_payment_minorben_continue=
  • https://www.business.hsbc.co.uk/1/2/online-services/accounts/account-list*
  • https://www.business.hsbc.co.uk/1/2/online-services/accounts/transactions*cmd_transactions_list_more_details=&BlitzToken=blitz
  • https://www.business.hsbc.co.uk/1/2/online-services/payments-home/bill-payment*
  • https://www.business.hsbc.co.uk/1/2/online-services/payments-home/bill-payment;jsessionid=
  • https://www.capitaloneonline.co.uk/*
  • https://www.cardonebanking.com/auth*
  • https://www.caterallenonline.co.uk/WebAccess.dll
  • https://www.citibank.co.uk/*/portal/Index*
  • https://www.citibank.co.uk/*/signon/uname/HomePage*
  • https://www.edirectdebit.com/administration/client/logon.aspx
  • https://www.halifax-online.co.uk/*
  • https://www.halifax-online.co.uk/MyAccounts/*
  • https://www.halifax-online.co.uk/MyAccounts/MyAccounts.aspx*
  • https://www.halifax-online.co.uk/_mem_bin/*
  • https://www.hsbc.co.uk/1/2*
  • https://www.hsbc.co.uk/1/2/!ut/p/kcxml/*cmd_InitialThirdPartyPaymentCommand=*
  • https://www.hsbc.co.uk/1/2/personal/internet-banking/payments*
  • https://www.hsbc.co.uk/1/2/personal/internet-banking/transfer*
  • https://www.icicibank.co.uk/UKRET/BANKAWAY*
  • https://www.moneybookers.com/app/my_account.pl
  • https://www.mybank.alliance-leicester.co.uk
  • https://www.mybank.alliance-leicester.co.uk/assets/internetbanking.gif
  • https://www.mybank.alliance-leicester.co.uk/assets/logo.gif
  • https://www.mybank.alliance-leicester.co.uk/move_money/MM1.asp
  • https://www.mybank.alliance-leicester.co.uk/registration/r1point1.asp
  • https://www.mybank.alliance-leicester.co.uk/view_accounts/VA1.asp
  • https://www.mybusinessbank.co.uk/cs70_banking/*
  • https://www.mybusinessbank.co.uk/cs70_banking/logon*
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/challenge/submit
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/logon/enrollPassword
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/logon/password
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/logon/pmPassword
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/sbuser/getPassword
  • https://www.nochex.com/*
  • https://www.nwolb.com/AccountSummary.aspx
  • https://www.nwolb.com/OneOffPaymentsPayeeList.aspx
  • https://www.paypal.com/*/cgi-bin/webscr?cmd=*_account*
  • https://www.paypal.com/*/cgi-bin/webscr?cmd=_account*
  • https://www.paypal.com/*/cgi-bin/webscr?cmd=_login-done*
  • https://www.paypal.com/*/webscr?cmd=_login-done*
  • https://www.rbsdigital.com/AccountSummary.aspx
  • https://www.rbsdigital.com/OneOffPaymentsPayeeList.aspx
  • https://www2.banking.firstdirect.com/1/2/;jsessionid=000012AY1c5sBT_Zhwxn3_8XZ2b:11jmjm8n8?idv_cmd=idv.OnlineCAMReset&OLRLink=CAM30ForgotPasswordLink
  • https://your.egg.com/customer/personaldetails/yourinformation.aspx
  • https://your.egg.com/customer/yourmoney.aspx

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

It attempts to steal information from the following banks and/or other financial institutions:

  • Abbey National
  • Alliance & Leicester
  • Barclays
  • Capital One
  • Citibank
  • Clydesdale
  • Co-Operativebank
  • Ebay
  • First Direct
  • HSBC
  • Halifax
  • ING Direct
  • Lloyds
  • MBNA Europe Bank Limited
  • Moneybookers
  • Nationwide
  • Natwest
  • Net Banking
  • PayPal
  • RBS
  • Raiffeisen
  • Smile
  • Yorkshire

Attacked Entities

This spyware attempts to get information from a list of banks or financial institutions.

Stolen Information

This spyware sends the gathered information via HTTP POST to the following URL:

  • http://193.105.174.58/twitter/aga.php

Other Details

This spyware did not exhibit backdoor routines during testing.

Variant Information

This spyware has the following MD5 hashes:

  • ce18869c40cb875a5ea457bf754d7779

It has the following SHA1 hashes:

  • f06ff3fdc1c58833549c1ffca5534d847a6ccaac

  SOLUTION

Minimum Scan Engine:

8.900

Step 1

Scan your computer with your Trend Micro product and note files detected as TSPY_ZBOT.CFS

Step 2

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 3

Identify and delete files detected as TSPY_ZBOT.CFS using the Recovery Console

[ Learn More ]

Step 4

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.

Step 5

Scan your computer with your Trend Micro product to delete files detected as TSPY_ZBOT.CFS. 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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