General

  • Target

    67ce72358f361a21340373a3eefb4ba742659086e11cd3e4565431a721b707f3

  • Size

    1.3MB

  • Sample

    241221-vrsheatrap

  • MD5

    e9d5e1e80ed7cb0d72f3c85d5de7be83

  • SHA1

    dfbbce3d60e19c596ac5c630fc18e2ee21ce8e2c

  • SHA256

    67ce72358f361a21340373a3eefb4ba742659086e11cd3e4565431a721b707f3

  • SHA512

    05aa0bc06eb200b590f2c76bede906d88899064d3a646fe94909630c2369f999c909fc1ee4a46fae51cb92f0757ecce98f6bc539123dd384d939d81e3672f348

  • SSDEEP

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

Malware Config

Targets

    • Target

      67ce72358f361a21340373a3eefb4ba742659086e11cd3e4565431a721b707f3

    • Size

      1.3MB

    • MD5

      e9d5e1e80ed7cb0d72f3c85d5de7be83

    • SHA1

      dfbbce3d60e19c596ac5c630fc18e2ee21ce8e2c

    • SHA256

      67ce72358f361a21340373a3eefb4ba742659086e11cd3e4565431a721b707f3

    • SHA512

      05aa0bc06eb200b590f2c76bede906d88899064d3a646fe94909630c2369f999c909fc1ee4a46fae51cb92f0757ecce98f6bc539123dd384d939d81e3672f348

    • 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