Analysis by: RonJay Kristoffer Caragay
ALIASES:

Win32/Exploit.CVE-2014-1761.D trojan(NOD32); Exploit:Win32/CVE-2012-2539(Microsoft); Exploit-CVE2014-1761(NAI); Exploit.RTF.CVE-2014-1761.a (v)(Sunbelt)

 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: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware, Downloaded from the Internet

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

It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

File Size: 27,551 bytes
File Type: RTF, DOC
Initial Samples Received Date: 06 May 2014
Payload: Compromises system security

Arrival Details

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

Other Details

More information on this vulnerability can be found below:

It takes advantage of the following vulnerabilities:

NOTES:
This malware connects to the following URL to receive commands:

  • {BLOCKED}.{BLOCKED}.3.148

It executes the received codes as mentioned above.

  SOLUTION

Minimum Scan Engine: 9.700
FIRST VSAPI PATTERN FILE: 10.782.03
FIRST VSAPI PATTERN DATE: 08 May 2014
VSAPI OPR PATTERN File: 10.783.00
VSAPI OPR PATTERN Date: 08 May 2014

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as TROJ_ARTIEF.OCF. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 3

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


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