TSPY_ZBOT.ZQWB

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}oo.cc/20aug_denis.exe

Installation

This spyware adds the following folders:

• %Application Data%\{random folder name 1}
• %Application Data%\{random folder name 2}

(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} = %Application Data%\{random folder name 1}\{random file name}.exe

It drops the following files:

• %Application Data%\{random folder name 1}\{random file name}.exe - copy of itself
• %Application Data%\{random folder name 2}\{random file name} - 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}

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:

• *.barclays.co.uk*
• *.barclays.co.uk*barcaz.php*
• *.barclays.co.uk*bg.php*
• *.firstdirect.com/1/2/*
• *.hsbc.co.uk/1/2*
• *.mybank.alliance-leicester.co.uk*
• *alliance*leicester.co.uk*bg.php*
• *alliance*leicester.co.uk*leicesteraz.php*
• *firstdirect.com*bg.php*
• *firstdirect.com*firstaz.php*
• *hsbc.co.uk*az.php*
• *hsbc.co.uk*bg.php*
• http://recruiter.jobsearch.co.uk/login.cgi*
• http://www.barclays.co.uk.servaz.cc/barc/bg.php
• http://www.barclays.co.uk.servaz.cc/js/barcaz.js
• http://www.mybank.alliance-leicester.cc/js/leicesteraz.js
• http://www.mybank.alliance-leicester.cc/leicester/bg.php
• http://www.nsbc.cc/az.js
• http://www.nsbc.cc/hsbc/bg.php
• http://www.redgoldfish.co.uk/advertisers/login.aspx*
• http://www.vacancycentral.co.uk/wscrm/login.php*
• http://www1.banking.firstdirect.cc/first/bg.php
• http://www1.banking.firstdirect.cc/js/firstaz.js

It accesses the following site to download its configuration file:

• http://{BLOCKED}oo.cc/20aug_denis.cpm
• http://{BLOCKED}tiestoo.cc/20aug_denis.cpm
• http://{BLOCKED}st.net/20aug_denis.cpm

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

• Alliance & Leicester
• Barclays
• HSBC

Drop Points

Stolen information is uploaded to the following websites:

• http://{BLOCKED}ttoo.cc/yahooman.php

Other Details

This spyware does the following:

• Adds the following registry entries to disable Internet Explorer:

  HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PhishingFilter
  Enabled = "0"
  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:

• bd48c418253320e9eb29cce55ccb9842

It has the following SHA1 hashes:

• 3568c619f6167160b3d3de430849e0d70e8063d9