TSPY_ZBOT.CAW

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.

Infection Points

This spyware arrives as a file downloaded from the following URLs:

• http://{BLOCKED}storage.com/user1/nps329/bot.exe

Installation

This spyware drops the following files:

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

(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 creates 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.)

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
{BAE22A8B-9135-CC74-806A-A767CAEBF349} = %Application Data%\{random1}\{random}.exe

Other System Modifications

This spyware adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
{random}

Download Routine

This spyware connects to the following URL(s) to download its configuration file:

• http://{BLOCKED}inedata.com/dfx/cfgx.bin
• http://{BLOCKED}tstorage.com/user1/nps329/up6/config.bin

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.

Once users access any of the monitored sites, it starts logging keystrokes.

It targets the following websites:

• http://*myspace.com*
• *.microsoft.com/*
• http://*
• http://www.hsbc.co.uk/1/2*
• https://*bankofscotlandhalifax-online.co.uk*
• https://*halifax-online.co.uk*
• https://*ibank.barclays.co.uk*
• https://psx1online.com/ft/pam/bsdfghee.js
• https://psx1online.com/ft/pam/dfrets35g.js
• https://psx1online.com/ft/pam/fftysdhsd.js
• https://psx1online.com/ft/pam/gkdshgdf.js
• https://psx1online.com/ft/pam/y.php?ct=
• https://psx1online.com/ft/pam/y.php?f=1&ct=
• https://psx1online.com/ft/pam/y.php?f=4&ct=
• https://psx1online.com/ft/pam/y.php?f=5&ct=
• https://www.hsbc.co.uk/1/2*

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:

• Barclays
• HSBC
• Halifax
• Microsoft
• Myspace

Stolen Information

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

• http://{BLOCKED}tstorage.com/user1/nps329/gate329.php

Variant Information

This spyware has the following MD5 hashes:

• 8271acdbfbc0930989c7a7350746af57

It has the following SHA1 hashes:

• 24efe829a80015f5b5dc0ec19429cb68766f45a1