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TSPY_ZBOT.TEX

October 08, 2012
 Analysis by: Kathleen Notario
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW


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

  TECHNICAL DETAILS

File Size:

175,160 bytes

File Type:

PE

Memory Resident:

Yes

Initial Samples Received Date:

05 Oct 2010

Payload:

Drops files

Arrival Details

This spyware may be unknowingly downloaded by a user while visiting the following malicious websites:

  • http://{BLOCKED}ey.com/kolrew/albt.exe

Installation

This spyware adds 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.)

It injects itself into the following processes as part of its memory residency routine:

  • dwm.exe
  • rdpclip.exe
  • ctfmon.exe
  • wscntfy.exe
  • taskeng.exe
  • taskhost.exe

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
{random CLSID} = %Application Data%\{random1}\{random}.exe

Other System Modifications

This spyware adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
{random}

Dropping Routine

This spyware drops the following files:

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

(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.)

Download Routine

This spyware connects to the following URL(s) to download its configuration file:

  • http://{BLOCKED}ey.com/kolrew/01/qol.bin

Information Theft

This spyware 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:

  • *.ebay.com/*eBayISAPI.dll?*
  • */my.ebay.com/*CurrentPage=MyeBayPersonalInfo*
  • *alliance-leicester.co.uk/login/PM*
  • *bankofamerica.com*
  • *banquepopulaire.fr/*
  • *business.hsbc.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*
  • http://caixasabadell.net/banca2/tx0011/0011.jsp
  • http://feedback.ebay.com/ws/eBayISAPI.dll?ViewFeedback&*
  • http://freshspark.net/ukk/balance.php?bank=alliance&action=get&login=
  • http://freshspark.net/ukk/gate.php
  • http://freshspark.net/ukk/index.php
  • http://www.caixatarragona.es/esp/sec_20/codigos.html
  • http://www.hsbc.co.uk/
  • http://www.nativespeakers.ru/application/loading.gif
  • https://*.co-operativebank.co.uk/CBIBSWeb/login.do
  • https://*.smile.co.uk/SmileWeb/login.do
  • https://*myonlineaccounts*.abbeynational.co.uk*
  • https://areasegura.banif.es/bog/bogbsn*
  • https://banca.cajaen.es/Jaen/INclient.jsp
  • https://bancaonline.openbank.es/servlet/PProxy?*
  • https://banesnet.banesto.es/*/loginEmpresas.htm
  • https://banking*.anz.com/* GPL
  • https://banking.chase.com/MyAccounts.aspx
  • https://carnet.cajarioja.es/banca3/tx0011/0011.jsp
  • https://easyweb*.tdcanadatrust.com/servlet/*FinancialSummaryServlet*
  • https://empresas.gruposantander.es/WebEmpresas/servlet/webempresas.servlets.*
  • https://extranet.banesto.es/*/loginParticulares.htm
  • https://extranet.banesto.es/npage/OtrosLogin/LoginIBanesto.htm
  • https://home1.cbonline.co.uk/ralu/reglm-web/setupPartialPasswordPage.ctl/
  • https://home1.cbonline.co.uk/ralu/reglm-web/setupSecurityQuestionPage.ctl/
  • https://home1.cbonline.co.uk/ybib/ybib/index.jsp/
  • https://home1.ybonline.co.uk/ralu/reglm-web/setupPartialPasswordPage.ctl/
  • https://home1.ybonline.co.uk/ralu/reglm-web/setupSecurityQuestionPage.ctl/
  • https://home1.ybonline.co.uk/ybib/ybib/index.jsp/
  • https://ibank.cahoot.com/servlet/com.aquarius.security.authentication.servlet.LogonServlet
  • https://intelvia.cajamurcia.es/2043/entrada/01entradaencrip.htm
  • https://internetbanking.aib.ie/hb1/roi/signon
  • https://montevia.elmonte.es/cgi-bin/INclient_2098*
  • https://oi.cajamadrid.es/CajaMadrid/oi/pt_oi/Login/login
  • https://oie.cajamadridempresas.es/CajaMadrid/oie/pt_oie/Login/login_oie_1
  • https://olb2.nationet.com/MyAccounts/frame_MyAccounts_WP2.asp*
  • https://olb2.nationet.com/signon/signon*
  • https://online-business.lloydstsb.co.uk/*
  • https://online.lloydstsb.co.uk/*
  • https://onlinebanking.aibgb.co.uk/hb1/gb/signon
  • https://onlinebanking.firsttrustbank.co.uk/hb1/ft/signon
  • https://onlinebanking.nationalcity.com/OLB/secure/AccountList.aspx
  • https://onlineeast#.bankofamerica.com/cgi-b...s/*/GotoWelcome
  • https://pastornetparticulares.bancopastor.es/SrPd*
  • https://sitekey.bankofamerica.com/sas/*
  • https://web.da-us.citibank.com/*BS_Id=MemberHomepage*
  • https://www#.citizensbankonline.com/*/index-wait.jsp
  • https://www#.usbank.com/internetBanking/LoginRouter
  • https://www*.banking.first-direct.com/1/2/*
  • https://www.365online.com/servlet/Dispatcher/login2.htm
  • https://www.53.com/servlet/efsonline/index.html*
  • https://www.bancajaproximaempresas.com/ControlEmpresas*
  • https://www.bancoherrero.com/es/*
  • https://www.bankline.coutts.com/LogonService/CheckUniqueIdentifier.do
  • https://www.bankofscotlandhalifax-online.co.uk/MyAccounts/MyAccounts.aspx*
  • https://www.bankofscotlandhalifax-online.co.uk/_mem_bin/*
  • https://www.bbvanetoffice.com/local_bdno/login_bbvanetoffice.html
  • https://www.bgnetplus.com/niloinet/login.jsp
  • https://www.caixagirona.es/cgi-bin/INclient_2030*
  • https://www.caixalaietana.es/cgi-bin/INclient_2042
  • https://www.caixaontinyent.es/cgi-bin/INclient_2045
  • https://www.caixatarragona.es/esp/sec_1/oficinacodigo.jsp
  • https://www.caja-granada.es/cgi-bin/INclient_2031
  • https://www.cajabadajoz.es/cgi-bin/INclient_6010*
  • https://www.cajacanarias.es/cgi-bin/INclient_6065
  • https://www.cajacirculo.es/ISMC/Circulo/acceso.jsp
  • https://www.cajadeavila.es/cgi-bin/INclient_6094
  • https://www.cajalaboral.com/home/acceso.asp
  • https://www.cajasoldirecto.es/2106/*
  • https://www.cajavital.es/Appserver/vitalnet*
  • https://www.ccm.es/cgi-bin/INclient_6105
  • https://www.clavenet.net/cgi-bin/INclient_7054
  • https://www.fibancmediolanum.es/BasePage.aspx*
  • https://www.gruposantander.es/bog/sbi*?ptns=acceso*
  • 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/personal/internet-banking;*
  • https://www.libertyreserve.com/en/customer/account/
  • https://www.mybank.alliance-leicester.co.uk
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/challenge*
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/challenge/submit*
  • https://www.mybusinessbank.co.uk/cs70_banking/sbb/emea/common/transact/user/domesticPayments/*
  • https://www.natwestoffshore.com/Login.aspx*
  • https://www.paypal.com/*/webscr?cmd=_account
  • https://www.paypal.com/*/webscr?cmd=_login-done*
  • https://www.sabadellatlantico.com/es/*
  • https://www.suntrust.com/portal/server.pt*parentname=Login*
  • https://www.unicaja.es/PortalServlet*
  • https://www.uno-e.com/local_bdnt_unoe/Login_unoe2.html
  • https://www.us.hsbc.com/*
  • https://www1.banking.firstdirect.com/1/2/*
  • https://www2.bancopopular.es/AppBPE/servlet/servin*
  • https://your.egg.com/customer/yourmoney.aspx

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

  • AIB
  • ANZ
  • Alliance & Leicester
  • BBVA
  • BG Net Plus
  • Bancaja
  • Banco Herrero
  • Banco Pastor
  • Banco Popular
  • Banesto
  • Banif
  • Bank of America
  • Bank of Ireland - 365 Online
  • Banque Populaire
  • CCM
  • Cahoot
  • Caixa Girona
  • Caixa Laietana
  • Caixa Ontinyent
  • Caixa Sabadell
  • Caixa Tarragona
  • Caja Badajoz
  • Caja Canarias
  • Caja Circulo
  • Caja Granada
  • Caja Laboral
  • Caja Madrid
  • Caja Murcia
  • Caja Vital
  • Caja de Avila
  • Caja de Jaen
  • Cajarioja
  • Cajasol
  • Chase
  • Citibank
  • Citizens
  • Clavenet
  • Clydesdale
  • Co-Operativebank
  • Coutts Bankline
  • Ebay
  • Fibanc Mediolanum
  • Fifth Third
  • First Direct
  • First Trust
  • HSBC
  • Halifax
  • Liberty Reserve
  • Lloyds
  • National City
  • Nationwide
  • Natwest
  • Openbank
  • PayPal
  • Sabadell Atlantico
  • Santander
  • Smile
  • Suntrust
  • TD Canada Trust
  • US Bank
  • Unicaja
  • Uno-E
  • Yorkshire

Stolen Information

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

  • http://{BLOCKED}ey.com/kolrew/gatetok.php

Variant Information

This spyware has the following MD5 hashes:

  • 2c9702bf84a7c9a094109ff2fe0a7910

It has the following SHA1 hashes:

  • 4718f3c193033a684850a2b3da5f9b0857cdaee6

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI PATTERN File:

currently processing

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

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

[ Learn More ]

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.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • {random CLSID}=%Application Data%\{random1}\{random}.exe

Step 4

Search and delete this folder

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result. %Application Data%\{random1}
%Application Data%\{random2}

Step 5

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