Analysis by: Rheniel Rhay Ramos

 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 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.

  TECHNICAL DETAILS

File Size: 323,608 bytes
File Type: PDF
Initial Samples Received Date: 17 Aug 2017

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.

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://evcs-ocsp.ws.{BLOCKED}ec.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQckPwgwK2Thdm9JYVwXQ4ERz3XDQQUo47PGUI9MeGrIYmEbcvZeaKysloCEHX7Uch2jvaSe%2FQdoaI0odk%3D
  • http://evcs-crl.ws.{BLOCKED}ec.com/evcs.crl
  • http://osh10.{BLOCKED}r.go.th/cache/Outlook365/365.HTML

NOTES:

Accessing the link on the PDF redirects the user to a remote website where personal information can be stolen.