General

  • Target
    23062026_0247_Invoices_Records_confirmation_draft_review_06232026_print.vbs.zip
  • Size 49KB
  • Sample260623-c9574sat5z
  • SHA256 68c1f2d3d99494ac8ad189044f9a0b4d4c0e9905a9c33248743464bc50cd0e2d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • siriusrat

C2
  • subzeroxadmin.duckdns.org:4449

Targets

    • Target
      Invoices_Records_confirmation_draft_review_06232026_print.vbs
    • Size 94KB
    • SHA256 bf90c692a297eb3237ec700f2660e230cf2a6c3d6f9ff8154ce6051c0b93ed0a
    • 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.

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks