General

  • Target

    33caab6b7bafb73cfbce6985958218a9cbba607227265077489621521e8555bcN.exe

  • Size

    1.7MB

  • Sample

    241210-zdkb4asphk

  • MD5

    9bc6e385c3ed07d8041688367cd4c950

  • SHA1

    f33c82f203ce08807d5f4429e6f4c858ec8b8dc6

  • SHA256

    33caab6b7bafb73cfbce6985958218a9cbba607227265077489621521e8555bc

  • SHA512

    57d183506d509d587a998e9a2069f3c0c8ef5cdeb31f8a8fbbfa280c120f5e373f9ff213081fea07f8fa1c55d2d95353cf7a78979703df5eb3a5602126b4e2ad

  • SSDEEP

    49152:D+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:uTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      33caab6b7bafb73cfbce6985958218a9cbba607227265077489621521e8555bcN.exe

    • Size

      1.7MB

    • MD5

      9bc6e385c3ed07d8041688367cd4c950

    • SHA1

      f33c82f203ce08807d5f4429e6f4c858ec8b8dc6

    • SHA256

      33caab6b7bafb73cfbce6985958218a9cbba607227265077489621521e8555bc

    • SHA512

      57d183506d509d587a998e9a2069f3c0c8ef5cdeb31f8a8fbbfa280c120f5e373f9ff213081fea07f8fa1c55d2d95353cf7a78979703df5eb3a5602126b4e2ad

    • SSDEEP

      49152:D+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:uTHUxUoh1IF9gl2

    • DcRat

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

    • Dcrat family

    • Process spawned unexpected child process

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

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks