Analysis by: Vincent Martin Hermosura
ALIASES:

Trojan-Downloader.MSWord.Agent.aq (Kaspersky), TrojanDownloader:O97M/Endeeto.A (Microsoft), Trojan.Mdropper (Symmantec), Troj/DocDl-D (Sophos), W97M.Downloader.Y (Bitdefender), W97M/Agent.NCK!tr (Fortinet), Trojan-Downloader.MSWord.Agent (Ikarus), W97M/TrojanDownloader.Agent.NCK trojan (Esset)

 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 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 downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size: 33792 bytes
File Type: DOC
Initial Samples Received Date: 12 Aug 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.

Download Routine

This Trojan accesses the following websites to download files:

  • http://{BLOCKED}.{BLOCKED}.100.73/uupdate5.png

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.