General

  • Target

    36d248189ae4831364990b9a6d2c79653852948da70b822a0da3decb7a5a8e8c

  • Size

    1.3MB

  • Sample

    241221-t4hy3asrex

  • MD5

    90dae2decd20d9fc279356bd42769ea9

  • SHA1

    51fcc1ebab6915257231fdb3fb836726e5286f62

  • SHA256

    36d248189ae4831364990b9a6d2c79653852948da70b822a0da3decb7a5a8e8c

  • SHA512

    1a3c844d05aab8da7290f8d917c2aaacf9945f6486f338f98f397869fefeccc2e0d6cfd936eef912fdcec1dc0f0580fe06a21cbee5903d69272dcb2bd4c85c43

  • SSDEEP

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

Malware Config

Targets

    • Target

      36d248189ae4831364990b9a6d2c79653852948da70b822a0da3decb7a5a8e8c

    • Size

      1.3MB

    • MD5

      90dae2decd20d9fc279356bd42769ea9

    • SHA1

      51fcc1ebab6915257231fdb3fb836726e5286f62

    • SHA256

      36d248189ae4831364990b9a6d2c79653852948da70b822a0da3decb7a5a8e8c

    • SHA512

      1a3c844d05aab8da7290f8d917c2aaacf9945f6486f338f98f397869fefeccc2e0d6cfd936eef912fdcec1dc0f0580fe06a21cbee5903d69272dcb2bd4c85c43

    • 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