General

  • Target

    5f5b2304602874306bf4eb32b431d2b6e3ee7862dbc257e50c8f4c3b2f7ea781N

  • Size

    1.5MB

  • Sample

    241101-pbwbgaynet

  • MD5

    8a3610882dcd50607fd3fa01d7a27b70

  • SHA1

    3f3823159964a51f3e55decdbe83abaf79ba9d8a

  • SHA256

    5f5b2304602874306bf4eb32b431d2b6e3ee7862dbc257e50c8f4c3b2f7ea781

  • SHA512

    faca6c13605606e436ca4c78ce0fd2f8cbafaa5ef72f68aae880ee9528377aff69b58f5e16633ee3cf7bec4f732de86fcebafd1ba1490636d0676f9d0a32a444

  • SSDEEP

    24576:dbfESdvMj6hoGDAQsJ+N6XcHQWq3QY2SrXQLdok0OjYS4mej+T1kJCv:ZEi6GDAQORcwW5/oBjme81

Malware Config

Targets

    • Target

      5f5b2304602874306bf4eb32b431d2b6e3ee7862dbc257e50c8f4c3b2f7ea781N

    • Size

      1.5MB

    • MD5

      8a3610882dcd50607fd3fa01d7a27b70

    • SHA1

      3f3823159964a51f3e55decdbe83abaf79ba9d8a

    • SHA256

      5f5b2304602874306bf4eb32b431d2b6e3ee7862dbc257e50c8f4c3b2f7ea781

    • SHA512

      faca6c13605606e436ca4c78ce0fd2f8cbafaa5ef72f68aae880ee9528377aff69b58f5e16633ee3cf7bec4f732de86fcebafd1ba1490636d0676f9d0a32a444

    • SSDEEP

      24576:dbfESdvMj6hoGDAQsJ+N6XcHQWq3QY2SrXQLdok0OjYS4mej+T1kJCv:ZEi6GDAQORcwW5/oBjme81

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks