General

  • Target

    5adfa270bb6f18bcfa609cec371928fa062bad30be9c5094f7dca9bf94274164.exe

  • Size

    1.7MB

  • Sample

    250113-gdz4fa1lfr

  • MD5

    c50c35e409f7f805813e4ce6f1cc9d79

  • SHA1

    57e8abebac7257fb14fb22ef794a3204540ef623

  • SHA256

    5adfa270bb6f18bcfa609cec371928fa062bad30be9c5094f7dca9bf94274164

  • SHA512

    6aeeeaa5b491f3221db6b7afca69416ac46658d61c72e478c1ad817068e5ddb4617632b41c0aacf2b3d889300c56c0b762343fe6a4c1df668d5760d144a4bfdf

  • SSDEEP

    49152:D+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKvT:uTHUxUoh1IF9gl2K

Malware Config

Targets

    • Target

      5adfa270bb6f18bcfa609cec371928fa062bad30be9c5094f7dca9bf94274164.exe

    • Size

      1.7MB

    • MD5

      c50c35e409f7f805813e4ce6f1cc9d79

    • SHA1

      57e8abebac7257fb14fb22ef794a3204540ef623

    • SHA256

      5adfa270bb6f18bcfa609cec371928fa062bad30be9c5094f7dca9bf94274164

    • SHA512

      6aeeeaa5b491f3221db6b7afca69416ac46658d61c72e478c1ad817068e5ddb4617632b41c0aacf2b3d889300c56c0b762343fe6a4c1df668d5760d144a4bfdf

    • SSDEEP

      49152:D+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKvT:uTHUxUoh1IF9gl2K

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks