General

  • Target
    25062026_0348_23062026_Purchase order for BDPL 01.06.2026_pdf.zip
  • Size 310KB
  • Sample260625-ec8cbag18w
  • SHA256 2ace464c5ec9efccced73cf3cacbb18f4019ebcab22bb64500c16819b933150e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • siriusrat

C2
  • 2.27.62.140:4449

Targets

    • Target
      Purchase order for BDPL 01.06.2026_pdf.js
    • Size 1.9MB
    • SHA256 fe7c49ac0611318a243746cb106b3a6983612338e055706c76b4aa386945b3ae
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects SiriusRAT

    • Family: SiriusRAT

      SiriusRAT is a Windows RAT written in C++ with HVNC, offline keylogging, and remote desktop capabilities.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Registers new Windows logon scripts automatically executed at logon.

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v16

Tasks