TSPY_ZBOT.FJHK

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}desjournal.com/apps/logos/des3.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 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:\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.)

Other System Modifications

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

HKEY_CURRENT_USER\Software\Microsoft\
{random character}
{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. 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:

• *navyfcu.org*
• *scottrade.com*
• *wescom.org*
• http*bankofamerica.com*
• http*bankofamerica.com/js_tmp/*
• http*chase.com*
• http*chase.com/js_tmp/*
• http*countrywide.com*
• http*suntrust.com*
• http*wellsfargo.com/js_tmp/*
• http://armskeyboard.com/java/
• https://*ameritrade.com*
• https://*hb.growfinancial.org*
• https://online.citibank.com/US/JPS/portal/Home.do
• https://onlinebanking.nationalcity.com/OLB/secure/AccountList.aspx
• 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://sitekey.bankofamerica.com/sas/maint.do
• https://sitekey.bankofamerica.com/sas/sas-docs/js/commonscript.js
• https://www#.citizensbankonline.com/*/index-wait.jsp
• https://www.53.com/servlet/efsonline/index.html*

It accesses the following site to download its configuration file:

• http://{BLOCKED}desjournal.com/apps/logos/awning3.jpg

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

• Ameritrade
• Bank of America
• Chase
• Citibank
• Citizens
• Fifth Third
• National City
• Suntrust
• Wells Fargo

Drop Points

Stolen information is uploaded to the following websites:

• http://{BLOCKED}ev.com/view.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:

• 181aea20e3f50b5d0560f6f926943436

It has the following SHA1 hashes:

• d406fee7f297b3248d3a965051931dc95d5cf927