TSPY_ZBOT.CBL

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.

Infection Points

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

• http://{BLOCKED}soue.com/ptz/ptg.exe

Installation

This worm 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.)

It 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:\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.)

Autostart Technique

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

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{7AD3B008-9C16-0B0B-AF21-FEF5CF0EA89B} = %Application Data%\{random1}\{random}.exe

Other System Modifications

This worm adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
{random}
@ =  

Information Theft

This worm monitors the Internet Explorer (IE) activities of the affected system, specifically the address bar. It recreates a legitimate website with a spoofed login page if a user visits banking sites with the following strings in the address bar and/or title bar:

• *.microsoft.com/*
• *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://*myspace.com*
• http://*odnoklassniki.ru/*
• http://caixatarragona.es/img/logo_discriminador.gif
• http://vkontakte.ru/*
• https://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js
• https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.1/themes/smoothness/ui.all.css
• https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/jquery-ui.min.js
• https://caixasabadell.net/banca2/comun/NW/img/logoUnnim.gif
• https://login.facebook.com/*
• https://oie.cajamadridempresas.es/CajaMadrid/oie/imagenes/logocm.gif
• https://sealinfo.verisign.com/images/logo2.gif
• https://sealinfo.verisign.com/images/logo2.gif
• https://seguro.cam.es/camd/SvlLoginCAM
• https://trustsealinfo.verisign.com/images/vseal.gif
• https://verisign.es/gate.php
• 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
• https://www.verisign.com/assets/home/shared/images/vlogo.gif

It accesses the following site to download its configuration file:

• http://{BLOCKED}oolg.com/ptz/ger.ma
• http://{BLOCKED}asup.com/ptz/ger.ma
• http://{BLOCKED}drud.com/ptz/ger.ma
• http://{BLOCKED}ysoue.com/ptz/por.tu

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

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:

• BBVA
• Banco de Sadabell
• Barclays
• Caixa Catalunya
• Caixa Laietana
• Caixa Tarragona
• Caja Duero
• Caja Laboral
• Caja Madrid
• Caja Mediterraneo
• Caja Rural
• Facebook
• Halifax
• IS Bank
• Kutxanet
• Microsoft
• Myspace
• Odnoklassniki
• Santander
• Vkontakte

Attacked Entities

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

Stolen Information

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

• http://{BLOCKED}rborj.com/prt/jkkoz.php

Other Details

This worm did not exhibit backdoor routines during testing.

Variant Information

This worm has the following MD5 hashes:

• d9c9c3ff4495a62c50947e2929eb8115

It has the following SHA1 hashes:

• b4f7fbcc43121c3036aa89a38199d661b0d579a6