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W97M_DLOADE.JJPU

December 25, 2014
 Analysis by: Michelle Morales
 ALIASES:

TrojanDownloader:W97M/Drixed.B (Microsoft), Trojan horse Generic11_c.CHSB (AVG), VBA/TrojanDownloader.Agent.EZ trojan (ESET), Trojan-Downloader.MSWord.Agent.do (Kaspersky), W97M/Downloader.aaq (McAfee), W97M.Downloader (Symantec)

 PLATFORM:

Windows

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

  TECHNICAL DETAILS

File Size:

45,568 bytes

File Type:

DOC

Initial Samples Received Date:

22 Dec 2014

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.

Installation

This Trojan drops the following files:

  • %User Temp%\EXXQJIULSJO.exe

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}ser-en-photo.com/js/bin.exe
  • http://{BLOCKED}.{BLOCKED}.11.204