General

  • Target

    75b13dde011211b5513b92084ebf378e5557f0ed0e3abc9e26f2ee5b63b1e2f7

  • Size

    1.3MB

  • Sample

    241221-txh1gstjbm

  • MD5

    a872ad32daa1c1d80b2f31eefd0ef47e

  • SHA1

    d48e5b59688873c32f81cd7ab51a5b1a47ceaa98

  • SHA256

    75b13dde011211b5513b92084ebf378e5557f0ed0e3abc9e26f2ee5b63b1e2f7

  • SHA512

    2fb15ab49207f705a5e543b394bb50221a2937a3f34e756093501cc669a026fa4432186abf6c3671a5842f57b0452859299b8f3c7dd7de90c2d15175548624a0

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

Malware Config

Targets

    • Target

      75b13dde011211b5513b92084ebf378e5557f0ed0e3abc9e26f2ee5b63b1e2f7

    • Size

      1.3MB

    • MD5

      a872ad32daa1c1d80b2f31eefd0ef47e

    • SHA1

      d48e5b59688873c32f81cd7ab51a5b1a47ceaa98

    • SHA256

      75b13dde011211b5513b92084ebf378e5557f0ed0e3abc9e26f2ee5b63b1e2f7

    • SHA512

      2fb15ab49207f705a5e543b394bb50221a2937a3f34e756093501cc669a026fa4432186abf6c3671a5842f57b0452859299b8f3c7dd7de90c2d15175548624a0

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks