General

  • Target

    4c30e9d648579aa65b9ef36bfa72baa131269c3c5c32fb841108a43d29b26f49

  • Size

    1.3MB

  • Sample

    241221-vcaztatmgl

  • MD5

    68b34064a71f8a193b4bfd2e9ff3e603

  • SHA1

    ea2d6af1ad55b8cc91582d0fb2c6ed9cfdee9541

  • SHA256

    4c30e9d648579aa65b9ef36bfa72baa131269c3c5c32fb841108a43d29b26f49

  • SHA512

    16e6d120bc7a5cdb84d1e7868d339bfe99c65b31a6ff2204dc67ee2d71c4e3ac28e6be476c843d8f3d9232174b1bb0fb1ba30c3abdc227a0b52d11510496f83f

  • SSDEEP

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

Malware Config

Targets

    • Target

      4c30e9d648579aa65b9ef36bfa72baa131269c3c5c32fb841108a43d29b26f49

    • Size

      1.3MB

    • MD5

      68b34064a71f8a193b4bfd2e9ff3e603

    • SHA1

      ea2d6af1ad55b8cc91582d0fb2c6ed9cfdee9541

    • SHA256

      4c30e9d648579aa65b9ef36bfa72baa131269c3c5c32fb841108a43d29b26f49

    • SHA512

      16e6d120bc7a5cdb84d1e7868d339bfe99c65b31a6ff2204dc67ee2d71c4e3ac28e6be476c843d8f3d9232174b1bb0fb1ba30c3abdc227a0b52d11510496f83f

    • 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