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TROJ_ARTIEF.ZTBD-C

May 07, 2014
 Analysis by: Vincent Martin Hermosura
 ALIASES:

Exp/20141761-A (Sophos), Exploit.MSWord.CVE-2014-1761.a (Kaspersky), Exploit:Win32/CVE-2012-2539 (Microsoft), Win32/Exploit.CVE-2014-1761.C trojan (Nod32), Exploit.RTF.CVE-2014-1761.a (v) (Sunbelt), Exploit.CVE-2014-1761.A (Bitdefender),

 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:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

243,056 bytes

File Type:

RTF, DOC

Initial Samples Received Date:

10 Apr 2014

Arrival Details

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

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

Installation

This Trojan drops the following files:

  • %User Temp%\svchost.exe
  • %User Temp%\aaaa.doc

(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 executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.