General

  • Target
    09072026_1704_NF-9eac306f-d134-4609-9c58VoM.pdf.lnk.iso
  • Size 148KB
  • Sample260709-vk8aaaes3n
  • SHA256 ab3961db4c929d6fc18c0ab15227013bfd3f7404d8e05c52f4c55d867e93d96b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      NF-9eac306f-d134-4609-9c58VoM.pdf.lnk
    • Size 1KB
    • SHA256 51fce4d553947ffb9c70ac7cfa11224f288e7008ea986c641e5361c9b52215f9
    • MD5 SHA1 SHA512 TLSH
    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Modifies security service

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Disables Task Manager via registry modification

    • Disables cmd.exe use via registry modification

    • Disables use of System Restore points

    • Checks computer location settings

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

    • Creates new service(s)

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Prevents Microsoft Defender from scanning certain paths by adding an exclusion.

      Uses the Powershell Add-MpPreference cmdlet to exclude paths from being scanned by Microsoft Defender.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks