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TROJ_ARTIEF.SMB

October 08, 2012
 Analysis by: Roland Marco Dela Paz
 ALIASES:

Trojan.Mdropper (Symantec); Exploit.MSWord.CVE-2010-3333.b (Kaspersky)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

It takes advantage of vulnerabilities in Microsoft Office that could allow remote code execution (MS10-087). After successfully exploiting the said vulnerability, it drops a file detected as BKDR_AGENT.U.

Upon execution, it opens a .DOC file in order to hide its malicious routines from the user.

This Trojan executes the files it drops, prompting the affected system to exhibit the malicious routines they contain.

Once a malware successfully exploits the said vulnerability, it causes certain actions to be done on the system.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

Other

Memory Resident:

No

Initial Samples Received Date:

16 Mar 2011

Payload:

Drops files

Installation

This Trojan drops the following non-malicious file:

  • C:\word.doc

Dropping Routine

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

Step 3

Search and delete these files

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There may be some component files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • C:\word.doc

Step 4

Scan your computer with your live casino online product to delete files detected as TROJ_ARTIEF.SMB. 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 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.

NOTES: