General

  • Target

    a606da118ccf5a95de1f1e26fa8c3e470a5758c4ec99cd212a141266cff6effb

  • Size

    1.3MB

  • Sample

    241221-t3699ssres

  • MD5

    907674feb87ea8c1f5438eead92edb32

  • SHA1

    6740de015a1d4208e714de592ffe334345449a11

  • SHA256

    a606da118ccf5a95de1f1e26fa8c3e470a5758c4ec99cd212a141266cff6effb

  • SHA512

    c18e9a7d739298663e8326fa0f025bd8e9029929b3f72e4774b0778999b6ce2e05958ddda0d9b6a9fcc7cf9517619917aafa97646701b847de52874718ae2da3

  • SSDEEP

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

Malware Config

Targets

    • Target

      a606da118ccf5a95de1f1e26fa8c3e470a5758c4ec99cd212a141266cff6effb

    • Size

      1.3MB

    • MD5

      907674feb87ea8c1f5438eead92edb32

    • SHA1

      6740de015a1d4208e714de592ffe334345449a11

    • SHA256

      a606da118ccf5a95de1f1e26fa8c3e470a5758c4ec99cd212a141266cff6effb

    • SHA512

      c18e9a7d739298663e8326fa0f025bd8e9029929b3f72e4774b0778999b6ce2e05958ddda0d9b6a9fcc7cf9517619917aafa97646701b847de52874718ae2da3

    • 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