TSPY_ZBOT.BBH
Windows 2000, XP, Server 2003
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
137,216 bytes
PE
Yes
01 Oct 2010
Downloads files, Drops files
Arrival Details
This spyware may be unknowingly downloaded by a user while visiting the following malicious websites:
- http://{BLOCKED}oue.com/ptz/ptg.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:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)
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:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)
Download Routine
This spyware connects to the following URL(s) to download its configuration file:
- http://{BLOCKED}soue.com/ptz/por.tu
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/*
- *arquia.es*flash.asp
- *barclays.es*
- *bbvanetoffice.com*DFServlet
- *bbvanetoffice.com*login_bbvanetoffice.html
- *caixacatalunya.com/*/Home/*,,00.html
- *caixacatalunya.com/*/benvinguda*
- *caixacatalunya.com/*/bienvenida*
- *caixapenedes.com*
- *caixasabadell.net*
- *caixasabadell.net*teclado.js
- *caixatarragona.es*
- *cajaduero.es*
- *cajalaboral.com*acceso_es.js
- *cajalaboral.com*home.aspx
- *cam.es*
- *cam.es*form_camdirecto.js
- *ce.caixalaietana.es*inicio_identificacion.action
- *https://caixadirecta.cgd.pt/CaixaDirecta/profile.do*
- *iurisbank.com/isum/Main?ISUM_SCR=login*
- *iurisbank.com/js/checkUsuPass.js
- *iurisbank.com/js/interface.js
- *kutxa.net*loginkn.jsp*
- *lloyds*
- *lloyds*layout.js
- *net.kutxa.net*styles_acceso.css
- *ruralvia.com/isum/Main?ISUM_SCR=login*
- *ruralvia.com/js/checkUsuPass.js
- *ruralvia.com/js/interface.js
- http*cajamadridempresas.es*login_nuevo_oie.js
- http*cajamadridempresas.es*login_oie_*
- http*empresas.gruposantander.es*login.js
- http*empresas.gruposantander.es/WebEmpresas/servlet/webempresas.servlets.CompressJSP?JSP=nueva_imagen/inicio.jsp*
- http*inversis.com*
- http*inversis.com*/js/inversiones/common.js
- http*online.halifax.es*
- http://caixatarragona.es/img/logo_discriminador.gif
- https://caixasabadell.net/banca2/comun/NW/img/logoUnnim.gif
- https://login.facebook.com/*
- https://oie.cajamadridempresas.es/CajaMadrid/oie/imagenes/logocm.gif
- https://seguro.cam.es/camd/SvlLoginCAM
- https://www.barclays.es/publico/images/logo.png
- https://www.bbvanetoffice.com/mult/logo_nuevo.gif
- https://www.caixacatalunya.com/NASApp/ceconline/flow.jsp
- https://www.caixacatalunya.com/caixacat/eng/ccpublic/img_comun/redlogo_small.gif
- https://www.caixapenedes.com/imatges/logo_lema_cat.gif
- https://www.caixatarragona.es/img/b24h_submit.gif
- https://www.cajaduero.es/CajaElectronica/images/CajaElectronica/logocajaduero.gif
- https://www.cajalaboral.com/clweb/img/all/logo.png
- https://www.cam.es/Imagenes%20Caja%20Ahorros%20Mediterranea/ES/Logos-Simbolos/Simbolos/logo.jpg
- https://www.iurisbank.com/es_ES/img/logo_acceso_3171.gif
- https://www.ruralvia.com/estilos_prtl/css_acceso/img/logorvia05.gif
It attempts to steal information from the following banks and/or other financial institutions:
- BBVA
- Barclays
- Caixa Catalunya
- Caixa Geral de Depósitos
- Caixa Laietana
- Caixa Penedès
- Caixa Sabadell
- Caixa Tarragona
- Caja Duero
- Caja Laboral
- Caja Madrid
- Caja Mediterráneo
- Caja Rural
- Caja de Arquitectos
- Halifax
- IS Bank
- Kutxanet
- Lloyds
- Microsoft
- Myspace
- Odnoklassniki
- Santander
- Vkontakte
Stolen Information
This spyware sends the gathered information via HTTP POST to the following URL:
- http://{BLOCKED}rborj.com/prt/jkkoz.php
Variant Information
This spyware has the following MD5 hashes:
- d9c9c3ff4495a62c50947e2929eb8115
It has the following SHA1 hashes:
- b4f7fbcc43121c3036aa89a38199d661b0d579a6
SOLUTION
8.900
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Identify and delete files detected as TSPY_ZBOT.BBH using the Recovery Console
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
- {random CLSID} = "%Application Data%\{random1}\{random}.exe"
- {random CLSID} = "%Application Data%\{random1}\{random}.exe"
Step 4
Search and delete this folder
- %Application Data%\{random1}
- %Application Data%\{random2}
Step 5
Scan your computer with your Trend Micro product to delete files detected as TSPY_ZBOT.BBH. 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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