W2KM_DLOADR.UHAOEGM
TrojanDownloader:O97M/Donoff (Microsoft); Trojan-Downloader.VBS.Agent.ayw (Kaspersky); W97M/Downloader (AVG)
Windows
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 downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
526,336 bytes
DOC
24 Aug 2018
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.
Download Routine
This Trojan saves the files it downloads using the following names:
- %User Temp%\{random characters}.exe
(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, 7, and 8.)
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
Other Details
This Trojan connects to the following possibly malicious URL:
- http://www.{BLOCKED}scomptes.sn/docs/430d.exe
However, as of this writing, the said sites are inaccessible.