General

  • Target

    280d02773aff905f8fc06b2bbd3b67172005332b95b0d96c0565686a0f04ecd7.exe

  • Size

    1.7MB

  • Sample

    250108-a9qfjsynbp

  • MD5

    4a8994a80aa3d8e09fe54ca5127b9d6f

  • SHA1

    d52bec1d453017c28c412be067821893ec3c8f64

  • SHA256

    280d02773aff905f8fc06b2bbd3b67172005332b95b0d96c0565686a0f04ecd7

  • SHA512

    f27c4d6a4f01e17e37ee31bb2d98ec83977bcc6e7e49464ad1248aa03b5a1973f8cc7d189bba5c806b0ba47a3f23804ea1a873c7c0b1e7c2e9a41c84f039e339

  • SSDEEP

    49152:z+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKva:eTHUxUoh1IF9gl2b

Malware Config

Targets

    • Target

      280d02773aff905f8fc06b2bbd3b67172005332b95b0d96c0565686a0f04ecd7.exe

    • Size

      1.7MB

    • MD5

      4a8994a80aa3d8e09fe54ca5127b9d6f

    • SHA1

      d52bec1d453017c28c412be067821893ec3c8f64

    • SHA256

      280d02773aff905f8fc06b2bbd3b67172005332b95b0d96c0565686a0f04ecd7

    • SHA512

      f27c4d6a4f01e17e37ee31bb2d98ec83977bcc6e7e49464ad1248aa03b5a1973f8cc7d189bba5c806b0ba47a3f23804ea1a873c7c0b1e7c2e9a41c84f039e339

    • SSDEEP

      49152:z+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKva:eTHUxUoh1IF9gl2b

    • 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