TSPY_ZBOT.CFD

This spyware attempts to steal information, such as user names and passwords, used when logging into certain banking or finance-related websites.

Arrival Details

This spyware may be downloaded from the following remote sites:

• http://{BLOCKED}et/sx/fda.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:\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 injects itself into the following processes running in the affected system's memory:

• explorer.exe
• taskhost.exe
• taskeng.exe
• Dwm.exe
• wscntfy.exe
• ctfmon.exe
• rdpclip.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
{GUID of mount point of %Windows%} = %Application Data%\{random1}\{random}.exe

It drops the following files:

• %Application Data%\{random1}\{random}.exe - copy of itself
• %Application Data%\{random2}\{random} - contains encrypted stolen data

(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.)

Other System Modifications

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

HKEY_CURRENT_USER\Software\Microsoft\
{random characters}
{default} =

It creates the following registry entry(ies) to bypass Windows Firewall:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
%WINDOWS%\\EXPLORER.EXE = %WINDOWS%\EXPLORER.EXE:*:Enabled:Windows Explorer

Information Theft

This spyware monitors the Internet Explorer (IE) activities of the affected system, specifically the address bar or title 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 or title bar:

• *.citibank.com/US/JPS/portal/Index.do*
• *.citibank.com/US/JRS/portal/accountSummary.do
• *login.live.com*
• *login.yahoo.com*
• *online.wellsfargo.com/das/cgi-bin/session.cgi*
• *online.wellsfargo.com/login*
• *wellsfargo.com/
• *www.bankofamerica.com*
• *www.bankofamerica.com/*
• htt*://www.citi*com/*
• http*chase.com/
• http://www.facebook.com/index.ph*
• https://*.bankofamerica.com/cgi-bin/ias/*
• https://*.chase.com/MyAccounts.aspx*
• https://*chase.com/*
• https://banking.chase.com/AccountActivity/AccountDetails.aspx?AI=*
• https://businessonline.tdbank.com/CorporateBankingWeb/Core/CustomerService/CustomerService.aspx
• https://businessonline.tdbank.com/CorporateBankingWeb/Core/CustomerService/ModifySecurityQuestions.aspx
• https://businessonline.tdbank.com/CorporateBankingWeb/Core/InformationReporting/AccountPortfolio.aspx
• https://chaseonline.chase.com/MyAccounts.aspx
• https://chaseonline.chase.com/secure/ServiceActivation/LOBServiceController.aspx?_context=wire
• https://chaseonline.chase.com/secure/serviceactivation/confirmation/confirm.aspx
• https://chaseonline.chase.com/secure/serviceactivation/confirmation/error.aspx
• https://chaseonline.chase.com/secure/serviceactivation/legalagreements/legalagreement.aspx
• https://chaseonline.chase.com/secure/serviceactivation/primaryaccount/primaryaccount.aspx
• https://chaseonline.chase.com/secure/serviceactivation/secauth/otpdeliverymode.aspx
• https://chaseonline.chase.com/secure/serviceactivation/secauth/otpdeliverymodeconfirmation.aspx
• https://chaseonline.chase.com/secure/serviceactivation/secauth/secauthinformation.aspx
• https://chaseonline.chase.com/secure/serviceactivation/secauth/validateotp.aspx
• https://online.citibank.com/US/*/portal/Home.do*
• https://online.citibank.com/US/*/portal/menu.do*
• https://online.wamu.com/Servicing/Servicing.aspx?*
• https://online.wellsfargo.com/das/cgi-bin/session.cgi*
• https://onlineeast#.bankofamerica.com/cgi-bin/ias/*/CustomerServiceMenuEntryPoint?custAction=75
• https://onlineeast#.bankofamerica.com/cgi-bin/ias/*/GotoCustomerServiceMenu
• https://onlineeast#.bankofamerica.com/cgi-bin/ias/*/GotoWelcome
• https://payments.chase.com/Wire/wireaddconfirm.aspx
• https://payments.chase.com/Wire/wireaddform2.asp*
• https://payments.chase.com/Wire/wireaddverify.aspx
• https://payments.chase.com/Wire/wirerecipientaddconfirm.aspx
• https://payments.chase.com/Wire/wirerecipientaddform2.aspx
• https://payments.chase.com/Wire/wirerecipientaddroutingnumber.aspx
• https://payments.chase.com/Wire/wirerecipientaddverify.aspx
• https://sitekey.bankofamerica.com/sas/challengeQandA.do
• https://sitekey.bankofamerica.com/sas/maint.do
• https://sitekey.bankofamerica.com/sas/sas-docs/js/commonscript.js
• https://sitekey.bankofamerica.com/sas/signonSetup.do
• https://stmts.chase.com/StmtList.aspx?*
• https://www.ibsnetaccess.com/NASApp/NetAccess/LoginValidation
• https://www.paypal.com/*/cgi-bin/webscr?cmd=_login-done&login_access=*
• https://www.paypal.com/us/cgi-bin/webscr?cmd=_profile-ach
• https://www.paypal.com/us/cgi-bin/webscr?cmd=_profile-credit-card-new-clickthru&flag_from_account_summary=1
• https://www.paypal.com/us/cgi-bin/webscr?cmd=_show-limits&req_from=view_limits

It accesses the following site to download its configuration file:

• http://{BLOCKED}et/alpine/33d.bin

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

• Bank of America
• Chase
• Citibank
• PayPal
• Washington Mutual
• Wells Fargo

Drop Points

Stolen information is uploaded to the following websites:

• http://{BLOCKED}et/sst7.php

Other Details

This spyware does the following:

• It adds the following registry entries to disable Internet Explorer:
  HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PhishingFilter Enabled =0
  HKEY_CURRENT_USER\Software\Microsoft\InternetExplorer\PhishingFilter EnabledV8 =0
• Steals the following information:
  Personal Certificates (MY)
  FTP credentials for the following FTP applications:
  flashxp
  ghisler
  ipswitch
  filezilla
  ftpfar
  winscp
  ftpcommander
  coreftp
  smartftp
  Flashplayer data
  Internet session cookies

Variant Information

This spyware has the following MD5 hashes:

• 377b2c2a9ced22121a3421dce9b2f39d

It has the following SHA1 hashes:

• be847f16e35f2b2760a5c1b9f010ac3bb60f95ac