BKDR_NETBOT.BHHG

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be dropped by other malware.

It does not have any propagation routine.

It executes commands from a remote malicious user, effectively compromising the affected system. It connects to a website to send and receive information.

It does not have any downloading capability.

It gathers certain information on the affected computer.

Arrival Details

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It may be dropped by other malware.

Installation

This backdoor drops the following files:

• %User Temp%\~WD34F1.tmp

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

Propagation

This backdoor does not have any propagation routine.

Backdoor Routine

This backdoor executes the following commands from a remote malicious user:

• Perform remote shell
• Monitor mouse and keyboard events
• Uninstall itself
• Inject itself to specific process
• Terminate process
• Capture screenshot
• Get drive information
• File Manipulation (Create, Modify, Rename, Copy, Delete)
• Execute file

It connects to the following websites to send and receive information:

• {BLOCKED}.{BLOCKED}.229.106:443

Download Routine

This backdoor does not have any downloading capability.

Information Theft

This backdoor gathers the following information on the affected computer:

• Computer Name
• OS Version
• RAM

NOTES:

This backdoor pings the following URL to get its IP address where it connects to send and receive information from malicious user:

• file.{BLOCKED}rine.info:443

It does not have rootkit capabilities.

It does not exploit any vulnerability.