TSPY_ZBOT.CAS

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.

Installation

This spyware drops the following files:

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

(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
{B4ADB095-8B02-142A-552B-ECC7C5E17B78} = %Application Data%\{random1}\{random}.exe

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.

Note that the contents of the file, hence the list of websites to monitor, may change any time.

Other Details

Based on analysis of the codes, it has the following capabilities:

• It attempts to retrieve information from the following list of banks/financial institutions:
• Banca Intesa
• Gruppo Carige
• IW Bank
• Iside
• Microsoft
• Myspace
• OSPM
• Odnoklassniki
• PosteItaliane
• Qui UBI
• Santander
• Scrigno
• Secservizi
• Vkontakte

Variant Information

This spyware has the following MD5 hashes:

• 0a1d17c4fd04d2e6d8da5e9bb85a85ad

It has the following SHA1 hashes:

• aa3bb75f5055d49a849cc0f8821b9960b0804efb