Analysis by: Alvin Bacani
ALIASES:

Trojan.Mdropper (Symantec); Exploit.MSWord.CVE-2012-0158.ce (Kaspersky)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Spammed via email

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

  TECHNICAL DETAILS

File Size: 352,319 bytes
File Type: RTF
Memory Resident: No
Initial Samples Received Date: 15 Oct 2013
Payload: Drops files

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

Installation

This Trojan drops and executes the following files:

  • %User Temp%\Winword.exe - detected as BKDR_LIFTOH.AD

(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.)

Dropping Routine

This Trojan takes advantage of the following software vulnerabilities to drop malicious files:

  • to allow full scanning of their computers.

Step 2

Remove the malware/grayware file that dropped/downloaded TROJ_ARTIEF.PI

    ?
    • BKDR_LIFTOH.AD

Step 3

Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. live casino online advises users to download critical patches upon release by vendors.

  • http://technet.microsoft.com/en-us/security/bulletin/ms12-027

Step 4

Scan your computer with your live casino online product to delete files detected as TROJ_ARTIEF.PI. If the detected files have already been cleaned, deleted, or quarantined by your live casino online product, no further step is required. You may opt to simply delete the quarantined files. Please check this for more information.

Step 5

Download and apply these security patches Refrain from using these products until the appropriate patches have been installed. live casino online advises users to download critical patches upon release by vendors.