General

  • Target

    214e6984a2b0caa29d8744255eb62a0bdd0580bd9d1a629ac0b3fe0ba00d1749

  • Size

    1.3MB

  • Sample

    241221-tvalbssrbq

  • MD5

    d36054d33a4825de79de224be61f697f

  • SHA1

    c3213e524eab58ca147308787fd88936254b3b80

  • SHA256

    214e6984a2b0caa29d8744255eb62a0bdd0580bd9d1a629ac0b3fe0ba00d1749

  • SHA512

    a69d06472771f0f1546e51939637b8f025c5414aef7855937d63c0e4a42c597479ddf2c3ed4b41f841d5bd9ecf3dada56b57f85e202becae407b2cad90f04e16

  • SSDEEP

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

Malware Config

Targets

    • Target

      214e6984a2b0caa29d8744255eb62a0bdd0580bd9d1a629ac0b3fe0ba00d1749

    • Size

      1.3MB

    • MD5

      d36054d33a4825de79de224be61f697f

    • SHA1

      c3213e524eab58ca147308787fd88936254b3b80

    • SHA256

      214e6984a2b0caa29d8744255eb62a0bdd0580bd9d1a629ac0b3fe0ba00d1749

    • SHA512

      a69d06472771f0f1546e51939637b8f025c5414aef7855937d63c0e4a42c597479ddf2c3ed4b41f841d5bd9ecf3dada56b57f85e202becae407b2cad90f04e16

    • 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