TSPY_ZBOT.ERTY

 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:

155,648 bytes

File Type:

PE

Memory Resident:

Yes

Initial Samples Received Date:

05 Nov 2010

Arrival Details

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

  • http://{BLOCKED}reXQ4F4GG84aIiSomXt.net/panel3/ppnl3.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}emilkgogo.net/ppnl3.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:

  • *.bankinter.com/www/es-es/cgi/*home*
  • *.bankinter.com/www/es-es/cgi/*integral
  • *.bankinter.com/www/es-es/cgi/ebk+opr*
  • *.ccm.es*
  • *.ccm.es/*inicio_identificacionAAAA*
  • *.deutsche-bank.es*login*
  • *.ingdirect.es*Transactional/faces/views/getClientID*
  • *bancopastor.es/*SrPd*
  • *banesnet.banesto.es*cabeza_bk*
  • *banesnet.banesto.es*dse_nextEventName=start
  • *banesnet.banesto.es*s.bto
  • *banesnet.banesto.es/npage/loginEmpresas*
  • *caixacatalunya.com*/es/ccpublic/*
  • *caixadirecta.cgd.pt*
  • *caixadirecta.cgd.pt/CaixaDirecta/login*
  • *cajaduero.es*
  • *cajaduero.es*microsite*
  • *e-pueyo.com*centro*
  • *e-pueyo.com*opciones*
  • *empresas.santandertotta.pt/canalempresas/finance/login*
  • *grupobanif.pt/xsite_be/BE/home/Autenticacao*
  • *lacajaencasa.cajacanarias.es*identificacion*
  • *lloydstsb.es/VirtualBank/servlet/LoadMenuOperaciones*
  • *online.halifax.es/main*
  • *pastornetempresas.bancopastor.es/SrPd*
  • *ps://pastornetparticulares.bancopastor.es/*SrPd*
  • *ruralvia.com/isum/Main?ISUM_ID=portlets_area*
  • *s://pastornetempresas.bancopastor.es/SrPd*
  • *soldirecto.cajasoldirecto.es/BEWeb/*
  • *ww3.deutsche-bank.es/*
  • https://bancae.caixapenedes.com*
  • https://bancae.caixapenedes.com/mcpenedesnl/*
  • https://bancopostaimpresaonline.poste.it/bpiol/lastFortyMovementsBalance.do?method=loadLastFortyMovementList*
  • https://banesnet.banesto.es*sugerencias*
  • https://banesnet.banesto.es/*ChannelDriver*
  • https://banking.postbank.de/app/finanzstatus.init.do*
  • https://banking.postbank.de/app/tan.historie.input.do*viewmode=tan
  • https://barclaysnet.barclays.es/servlet/com.ibm.dse.cs.servlet*
  • https://be.bancogallego.es/inithome*
  • https://be.cajamurcia.es/BEWeb/*ps0002m004_0*
  • https://be.cajamurcia.es/BEWeb/*psINICm_0*
  • https://caixagestionempresas.caixagalicia.es/*/inicio_identificacion.action*
  • https://cajacanariasonline.cajacanarias.es/*/inicio_identificacion_portal*
  • https://cajaelectronica.caja-granada.es*inicio_identificacion*
  • https://cajaelectronica.caja-granada.es/BEWeb/*.action*
  • https://ce.caixalaietana.es/BEWeb/2042/2042*_m_COMUN*
  • https://interconnexio*.bibm.ad/GeneralServlet
  • https://interconnexio*.bibm.ad/GeneralServlet?pageOperation=INICIO_WELCOME*
  • https://linea.sanostra.es/*login_identificacion*
  • https://net.kutxa.net/*/tmpl/es/loginkn*
  • https://net24.montepio.pt/Net24-Web/func/login/*
  • https://oficina24hores.caixagirona.es/BEWeb/2030/1030/inicio_identificacion*
  • https://oie.cajamadridempresas.es/CajaMadrid/oie/pt_oie/Login/*
  • https://online.halifax.es/main*
  • https://pastornetempresas.bancopastor.es/*SrPd*
  • https://pastornetempresas.bancopastor.es/EMPBEEMPA_F.jsp?*
  • https://pastornetempresas.bancopastor.es/titEMPBEEMPA*
  • https://pastornetparticulares.bancopastor.es/*SrPd*
  • https://pastornetparticulares.bancopastor.es/BEPBEBEPA_F.jsp
  • https://pastornetparticulares.bancopastor.es/SrPd;jsessionid=*
  • https://pastornetparticulares.bancopastor.es/titBEPBEBEPA*
  • https://seguro.cam.es*SvlHistoricoMovimientosCAM*
  • https://seguro.cam.es*SvlSaldoCAM*
  • https://soldirecto.cajasoldirecto.es/BEWeb/*
  • https://telematic.caixamanlleu.es/ISMC/Manlleu_cat/acceso*
  • https://vitalnet.cajavital.es/BEWeb/*/inicio_identificacion*
  • https://ww3.deutsche-bank.es*NetiServlet*
  • https://www.bancomediolanum.es/*
  • https://www.banesto.es/cs/Satellite*HomeEmpresas*
  • https://www.bankinter.com*
  • https://www.bvi.bancodevalencia.es/inithome*
  • https://www.caixatarragona.es/*/oficinacodigo*
  • https://www.cajaduero.es/CajaElectronica/boxer/*
  • https://www.cajaespana.net/convivencia/servlet/ServletCTRL
  • https://www.empresas.santandertotta.pt/canalempresas/finance/*
  • https://www.empresas.santandertotta.pt/canalempresas/finance/patrimonio/*
  • https://www.finibanco.pt/*/BemVindo.jsp*
  • https://www.gruposantander.es/*
  • https://www.iknet.iparkutxa.es/intro*
  • https://www.lloydstsb.es/VirtualBank/*
  • https://www.lloydstsb.es/VirtualBank/servlet/LoadMenuOperaciones*
  • https://www.ruralvia.com/isum/Main*

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

  • ANZ
  • Banca Pueyo
  • Banco Gallego
  • Banco Mediolanum
  • Banco Pastor
  • Banco de Valencia
  • Banesto
  • Banif
  • Bankinter
  • Barclays
  • CCM
  • Caixa Catalunya
  • Caixa Galicia
  • Caixa Geral de Depósitos
  • Caixa Girona
  • Caixa Laietana
  • Caixa Manlleu
  • Caixa Penedès
  • Caixa Tarragona
  • Caja Canarias
  • Caja Duero
  • Caja España
  • Caja Granada
  • Caja Madrid
  • Caja Murcia
  • Caja Vital
  • Cajasol
  • Deutsche Bank
  • Finibanco
  • Halifax
  • ING Direct
  • Kutxanet
  • Lloyds
  • Montepio
  • Postbank
  • PosteItaliane
  • Ruralvia
  • SA NOSTRA
  • Santander
  • Santander Totta

Stolen Information

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

  • http://{BLOCKED}reXQ4F4GG84aIiSomXt.net/panel3/gotobank.php

Variant Information

This spyware has the following MD5 hashes:

  • ac4bd1359b493a8ec118370398c39914

It has the following SHA1 hashes:

  • 1b94e69f16867da57b6d4ab9cd030f3402e6b2e7

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.596.09

FIRST VSAPI PATTERN DATE:

05 Nov 2010

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.ERTY 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

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_ZBOT.ERTY. 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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