TROJ_MALDATER.A

This Trojan may be dropped by other malware.

It does not have any propagation routine.

It does not have any backdoor routine.

It does not drop any other file.

It does not have any downloading capability.

It does not have any information-stealing capability.

It requires its main component to successfully perform its intended routine.

Arrival Details

This Trojan may be dropped by other malware.

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Dropping Routine

This Trojan does not drop any other file.

Download Routine

This Trojan does not have any downloading capability.

Information Theft

This Trojan does not have any information-stealing capability.

Other Details

This Trojan requires its main component to successfully perform its intended routine.

NOTES:

This trojan requires the existence of any of the following registry entries to perform its intended routine:

• HKEY_CURRENT_USER\Software\Classes\Kernel32Devices
• HKEY_LOCAL_MACHINE\Software\Classes\Kernel32Devices
• HKEY_CURRENT_USER\Software\Classes\MshtmDevices
• HKEY_LOCAL_MACHINE\Software\Classes\MshtmDevices

This trojan reads the binary data found in the registry.

It then decrypts the data. The decrypted data is an executable code. After being decrypted, it is executed by TROJ_MALDATER.A in virtual memory.

The decrypted executable code does the following:

• It reads %User Temp%\{computer name}_.tmp (should exist)
• It reads %System%\mshtm.tlb. If not found, it reads %Application Data%\mshtm.tlb (should exist)
• It searches for explorer.exe to acquire the same security privileges
• It connects to 1.1.1.1/0 to send data “AA”
• It connects to www.baidu.com to check for internet connection
• It can load plugins saved in %User Temp%\{computer name}_p.ax
• It saves a possibly downloaded file as %User Temp%\uid.ax

It does not have rootkit capabilities.

It does not exploit any vulnerability.