Analysis by: Joselyn Canuela
ALIASES:

Backdoor.Win32.Zegost.mtfit (Kaspersky), TrojanDownloader:Win32/Unruy!rfn (Microsoft)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Backdoor 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: 270,336 bytes
File Type: EXE
Initial Samples Received Date: 23 Oct 2017

Arrival Details

This Backdoor 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 Backdoor connects to the following possibly malicious URL:

  • http://update.{BLOCKED}ns1.com