TSPY_ZBOT.CJY

 Analysis by: Marfel Tiamzon

 PLATFORM:

Windows 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.

  TECHNICAL DETAILS

File Size:

144,896 b bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

03 Aug 2010

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 drops the following files:

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

(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
{4B8C2C1B-5D92-7314-46DC-F2FDD503F943} = %Application Data%\{random1}\{random}.exe

Other System Modifications

This spyware adds the following registry entries as part of its installation routine:

HKEY_CURRENT_USER\Software\Microsoft\
{random}

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://{BLOCKED}aepo.ru/bin/saejuogi.bin
  • http://{BLOCKED}yeew.ru/bin/saejuogi.bin
  • http://{BLOCKED}aepi.ru/bin/saejuogi.bin
  • http://{BLOCKED}ejae.ru/bin/saejuogi.bin
  • http://{BLOCKED}ushi.ru/bin/saejuogi.bin
  • http://{BLOCKED}fech.ru/bin/saejuogi.bin
  • http://{BLOCKED}ilei.ru/bin/saejuogi.bin
  • http://{BLOCKED}yeew.ru/bin/saejuogi.bin
  • http://{BLOCKED}oong.ru/bin/laangiet.bin

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:

  • *.de/portal/portal/*
  • *.microsoft.com/*
  • */atl.osmp.ru/*
  • */login.osmp.ru/*
  • */v*/home/login.php*
  • *OnlineFiliale*
  • *amazon.com*
  • *bankinter.com*gzinflate.js.php*
  • *bankinter.com*utils.js*
  • *bankinter.com/www/es-es/cgi/*+home
  • *blogger.com*
  • *cajaespana.net*
  • *cgi/*.cgi*
  • *flickr.com*
  • *iurisbank.com/isum/*login*
  • *livejournal.com*
  • *myspace.com*
  • *ruralvia.com/isum/*login*
  • *youtube.com*
  • http*lacaixa.es*
  • http*scripts/injScp.js*
  • http://*
  • http://*/s/
  • http://*/u/
  • http://*odnoklassniki.ru/*
  • http://oyehai.ru/script.js
  • http://vkontakte.ru/*
  • https://activa24.ccm.es/6105/js/comunBEWEB.js*
  • https://activa24.ccm.es/BEWeb/2105/6105/inicio_identificacion.action*
  • https://banking.postbank.de/app/login.do*
  • https://banking.postbank.de/app/static/images/pblogo2.gif
  • https://banking.postbank.de/app/static/js/script.js*
  • https://banking.postbank.de/app/welcome.do*
  • https://be.cajamurcia.es/6043/js/LOGIN2_PORTAL.js
  • https://be.cajamurcia.es/6043/js/MOD3.js
  • https://be.cajamurcia.es/BEWeb/2043/6043/inicio_identificacion.action
  • https://be.homecem.com/2041/img/02logo.gif
  • https://be.homecem.com/2041/js/comunBEWEB.js*
  • https://be.homecem.com/BEWeb/*/login_identificacion*
  • https://cajaelectronica.caja-granada.es/2031/images/logo.png
  • https://cajaelectronica.caja-granada.es/2031/js/MOD3.js*
  • https://cajaelectronica.caja-granada.es/BEWeb/2031/2031/inicio_identificacion.action*
  • https://cajaelectronica.caja-granada.es/BEWeb/2031/2031/not5801_d_COMUN.action?OPERACION=*
  • https://cajasturdirecto.cajastur.es/*/js/MOD3.js*
  • https://cajasturdirecto.cajastur.es/4048/images/t_logo.gif
  • https://cajasturdirecto.cajastur.es/BEWeb/2048/*/inicio_identificacion.action*
  • https://cajasturdirecto.cajastur.es/BEWeb/2048/*/portal_inicio_identificacion.action*
  • https://empresas.gruposantander.es/WebEmpresas/*
  • https://enlaza.cajadeburgos.es/BELLogin.jsp*
  • https://enlinea.cajasur.es/4024/img/logo.jpg
  • https://enlinea.cajasur.es/4024/js/loginPin.js*
  • https://enlinea.cajasur.es/BEWeb/2024/4024/inicio_identificacion.action
  • https://enlinea.cajasur.es/BEWeb/2024/4024/inicio_identificacion.action*
  • https://finanzportal.fiducia.de/*/entry*
  • https://finanzportal.fiducia.de/*/portal*
  • https://ing.ingdirect.es/W/Transactional/adf/js/jquery-latest.js*
  • https://ing.ingdirect.es/W/Transactional/faces/selectOption
  • https://ing.ingdirect.es/W/Transactional/faces/selectOption?select_op=initLogin*
  • https://intelvia.cajamurcia.es/6043/01/images/logointel.gif
  • https://internetbanking.gad.de/images/Ib.js*
  • https://internetbanking.gad.de/ptlweb/WebPortal*
  • https://meine.deutsche-bank.de/*
  • https://meine.deutsche-bank.de/*/javascript/global.js*
  • https://meine.deutsche-bank.de/trxmcontent/10.1.11.0/global/default/images/logo_db.gif
  • https://my.hypovereinsbank.de/img/ico/logo.gif
  • https://my.hypovereinsbank.de/js/portal.js*
  • https://my.hypovereinsbank.de/login*
  • https://oficina24hores.caixagirona.es/*/Js/MOD3.js*
  • https://oficina24hores.caixagirona.es/1030/Imatges/logo_caixa_nou.gif
  • https://oficina24hores.caixagirona.es/BEWeb/2030/1030/inicio_identificacion.action*
  • https://pastornet*.bancopastor.es/SrPd*
  • https://soldirecto.cajasoldirecto.es/2106/js/incluyeDomain.js*
  • https://soldirecto.cajasoldirecto.es/BEWeb/2106/2106/inicio_identificacion.action*
  • https://soldirecto.cajasoldirecto.es/BEWeb/2106/2106/psINICm_0.action*
  • https://telematic.caixamanlleu.es/ISMC/*/acceso.jsp*
  • https://telematic.caixamanlleu.es/ISMC/*/js/teclat.js*
  • https://ww3.deutsche-bank.es/db24online/js/login/eStara.js
  • https://ww3.deutsche-bank.es/pbct/NetiServlet?neti_id=navigation.bottom*
  • https://ww3.deutsche-bank.es/pbct/login*
  • https://ww3.deutsche-bank.es/pbct/login.*
  • https://www.barclays.es/publico/contents/*jsp*
  • https://www.barclays.es/publico/images/logo.png
  • https://www.barclays.es/publico/js/TextEngine.js
  • https://www.bbvanetoffice.com/BBVANETOFFICE/bbvanetoffice/bienvenida*
  • https://www.bbvanetoffice.com/BBVANETOFFICE/promocion*
  • https://www.bbvanetoffice.com/mult/logo_nuevo.gif
  • https://www.bbvanetoffice.com/promocion*
  • https://www.caixacatalunya.com/CDA/caixacat/es/ccpublic/particulars/Home/OthHomePageCas/0,1217,,00.html
  • https://www.caixacatalunya.com/NASApp/ceconline/index.jsp
  • https://www.caixacatalunya.com/NASApp/ceconline/index.jsp*
  • https://www.caixacatalunya.com/caixacat/es/ccpublic/img_comun/redlogo_small.gif
  • https://www.caixapenedes.com*
  • https://www.caixapenedes.com/imatges/logo_lema_cat.gif
  • https://www.caixapenedes.com/js/niftycube.js
  • https://www.caixaterrassa.es/SESSIONS/SFObe*
  • https://www.caixaterrassa.es/imatges/logo.jpg
  • https://www.cajaespana.net/convivencia/siglo21/estandar/recursos/imag_menus/toro_caja.gif
  • https://www.cajaespana.net/convivencia/siglo21/estandar/recursos/tecladovirtual.js
  • https://www.cajalaboral.*/home/acceso.asp
  • https://www.cajalaboral.com/demo/index.html
  • https://www.cajamar.es*
  • https://www.cajamar.es/img/logo.gif
  • https://www.commerzbanking.de/*/cowis.js*
  • https://www.commerzbanking.de/*/pgf.html*
  • https://www.dresdner-privat.de/SSA_MLS_JAVASCRIPT/mlsgeneral.js*
  • https://www.dresdner-privat.de/images/DresdnerBank.gif
  • https://www.dresdner-privat.de/servlet/P/SSA*do*
  • https://www.google.com/accounts/ig.gif
  • https://www.gruposantander.es/*
  • https://www.iurisbank.com/es_ES/img/logo_acceso_3171.gif
  • https://www.ruralvia.com/img/logorvia05.gif
  • https://www.sabadellatlantico.com*
  • https://www.sabadellatlantico.com/cs/Satellite?blobcol=urldata&blobkey=id&blobtable=MungoBlobs&blobwhere=1191498187918&ssbinary=true
  • https://www.solbank.com*
  • https://www.solbank.com/g3repository/HEADER/CABECERA1_NW_LOGO_CABECERA_SBK.GIF
  • https://www.sparkasse.de/_image_gallery/logo.gif
  • https://www.targobank.de/de/*cgi*
  • https://www.targobank.de/de/images/css/env/logo.gif
  • https://www.targobank.de/de/images/css/env/logo.gif
  • https://www.targobank.de/de/javascript/funcs_global.js*
  • https://www.unicaja.es/*
  • https://www.uno-e.com/local_bdnt_unoe/Login_unoe2.html*
  • https://www.verisign.es/hp07/i/vlogo.gif
  • https://www.verisign.es/hp07/i/vlogo.gif\
  • https://www3.altamiraonline.com/AltamiraOnLineWeb/Sesion*
  • https://www3.altamiraonline.com/AltamiraOnLineWeb/src/canalInet/md5.js*

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:

  • Amazon
  • BBVA
  • Banco Pastor
  • Banco de Sadabell
  • Bankinter
  • Barclays
  • Blogger
  • CCM
  • Caixa Catalunya
  • Caixa Girona
  • Caixa Manlleu
  • Caja España
  • Caja Granada
  • Caja Laboral
  • Caja Mar
  • Caja Murcia
  • Caja Rural
  • Caja Stur
  • Caja Sur
  • Caja de Burgos
  • Cajasol
  • Commerzbank
  • Deutsche Bank
  • Dresdner
  • Fiducia
  • Flickr
  • GAD
  • ING Direct
  • IS Bank
  • La Caixa
  • Live Journal
  • Microsoft
  • Myspace
  • OSPM
  • Odnoklassniki
  • Sabadell Atlantico
  • Santander
  • Unicaja
  • Uno-E
  • Vkontakte
  • YouTube

Drop Points

The said file is then sent to the following URL via HTTP POST:

  • http://{BLOCKED}olev.ru/y93/_gate.php

Variant Information

This spyware has the following MD5 hashes:

  • e08c0f398fddec61a34616f67f9f589f

It has the following SHA1 hashes:

  • 02b21d32821c339e221b8882ee61fb9c5108b996

  SOLUTION

Minimum Scan Engine:

8.900

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

Delete this registry key

[ 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.

RESTORE
  • Close Registry Editor.
  • Step 3

    Delete this registry key

    [ 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.

    RESTORE
  • Close Registry Editor.
  • Step 4

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


    Did this description help? Tell us how we did.