TSPY_ZBOT.XKY
Windows 2000, XP, Server 2003
Threat Type: Spyware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This spyware creates folders where it drops its files.
It attempts to steal information, such as user names and passwords, used when logging into certain banking or finance-related websites.
TECHNICAL DETAILS
155,719 bytes
EXE
Yes
23 Aug 2010
Infection Points
This spyware arrives as a file downloaded from the following URLs:
- http://sabadel4444z.org/ks/gg43gv33.exe
It stays memory-resident by injecting codes into the following processes:
- 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
{51AE3B86-A74A-CFFD-E774-8987ADD49FBA} = %Application Data%\{random1}\{random}.exe
It drops the following files:
- %Application Data%\{random1}\{random}.exe
- %Application Data%\{random2}\{random}.luv
(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://sabadel4444z.org/ks/df553435z.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:
- !*.microsoft.com/*
- !http://*myspace.com*
- !http://*odnoklassniki.ru/*
- !http://vkontakte.ru/*
- !*tuenti.com*
- !*facebook*
- @*ingdirect.es/*
- @*bbk.es/*
- @*clavenet.net/*
- @*kutxa.net/*
- @*caixanova*
- @*barclays.es/*
- @*lacajadecanarias.net*
- @*cajacanarias.es*
- @*cajamar.es*
- @*cajasoldirecto*
- @*pastornetparticulares.bancopastor.es*
- @*sabadellatlantico.com*
- @*cajamadrid*
- @https://*cu.org*
- @https://*cu.com*
- http://*poste.it/
- https://www.poste.it/online/personale/loginPrivati.fcc
- *sitekey.bankofamerica.com*
- *cajaespana.ne*
- https://www.sabadellatlantico.com/cs/Satellite/SabAtl/*
- https://www.sabadellatlantico.com/txbs/start.doLogin.bs
- https://www.cajamar.es/es/particulares/*
- https://www.cajamar.es/es/comun/acceder-a-banca-electronica-reintentar/*
- https://pastornetparticulares.bancopastor.es*
- https://be.homecem.com/BEWeb/2041/2041/login_identificacion.action*
- https://telematic.caixamanlleu.es/*
- https://www.iwbank.it/private/index_pub.jhtml?ID_NODE=login*
- https://wbank2.fmbcc.bcc.it/htdocs/index2.html*
- https://bancaincasa.sba.bcc.it/htdocs/homemain_ita.html*
- https://*gruppocarige.it/*/jsp/login.jsp*
- https://my.if.com/_mem_bin/formslogin.asp*
- https://my.if.com/PlanReviewAct/plan.asp*
- https://my.if.com/*
- 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://service.oneaccount.com/*/OSV2?event=login&pt=3
- https://www.accessmycardonline.com/RBS_Consumer/*
- https://www.nochex.com/*
- *npbs.co.uk*
- https://*mybusinessbank.co.uk*
It attempts to steal information from the following banks and/or other financial institutions:
- Accessmycardonline
- Alliance and Leicester Commercial Bank
- Banca in Casa
- Banco Pastor
- Bank of America
- Bank of Ireland
- Barclays
- Bilbao Bizkaia Kutxa
- Caixanova
- Caja Canarias
- Caja España
- Caja Madrid
- Cajamar
- Cajasol
- Clavenet
- Credit Union
- Gruppo Carige
- HOMECEM
- ING Direct
- IW Bank
- Intelligent Finance
- Kutxanet
- La Caja de Canarias
- Microsoft
- Myspace
- Nochex
- Norwich and Peterborough Building Society
- Odnoklassniki
- OneAccount
- PosteItaliane
- Sabadell Atlantico
- Simplybank
- Tuenti
- Unnim Caixa Manlleu
- Vkontakte
Stolen Information
This spyware sends the gathered information via HTTP POST to the following URL:
- http://sabadel4444z.org/ks/bb434erh77.php
Variant Information
This spyware has the following MD5 hashes:
- 108dc5b7d4e5902818fb050183b7722a
It has the following SHA1 hashes:
- 1eddc920aecfcd00d82cc5ef308cdbdfa106c2da
SOLUTION
8.900
7.402.12
23 Aug 2010
8/23/2010 12:00:00 AM
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
Restart in Safe Mode
Step 3
Delete this registry value
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
- {51AE3B86-A74A-CFFD-E774-8987ADD49FBA} = %Application Data%\{random1}\{random}.exe
- {51AE3B86-A74A-CFFD-E774-8987ADD49FBA} = %Application Data%\{random1}\{random}.exe
Step 4
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_ZBOT.XKY. 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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