W2KM_BARTALEX.KC

July 28, 2015
 Analysis by: RonJay Kristoffer Caragay
 ALIASES:

W97M.Downloader (Symantec); TrojanDownloader:O97M/Donoff.E (Microsoft); Troj/DocDl-UD (Sophos); Trojan-Downloader.MSWord.Agent.ph (Kaspersky); VBA/TrojanDownloader.Agent.XX (ESET-NOD32)

 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.

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

177,152 bytes

File Type:

DOC

Initial Samples Received Date:

22 Jul 2015

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

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}nneton-quebec.com/components/com_sexycontactform/fileupload/files/78672738612836.txt
  • http://{BLOCKED}ions.com/wp-includes/js/tinymce/themes/advanced/skins/highcontrast/78672738612836.txt

However, as of this writing, the said sites are inaccessible.