General

  • Target

    e16d3ed4d3d49826dc5b1a9f6e95297c4dad1be5d8c404957ee40dc04cfcf7b9N

  • Size

    1.8MB

  • Sample

    241110-da4qnsxgrm

  • MD5

    7129b24ba5b05e8a48304a861d744780

  • SHA1

    556ddf9ca97c6bd773351eb8ec0ab7797a27bb18

  • SHA256

    e16d3ed4d3d49826dc5b1a9f6e95297c4dad1be5d8c404957ee40dc04cfcf7b9

  • SHA512

    06c038e7241f0a49b4700bb5c7012b123df27bba1eff1723dae5722216edaa3b468d290431db33c75d37517d6a3b229f66149a7ec2e1e10a271e5d2f433a4496

  • SSDEEP

    49152:OhjAJVllHZrhbBruPk+xjSMX4ODTDF8OcFSkMh:OgVTVXYNX9mOWSkM

Malware Config

Targets

    • Target

      e16d3ed4d3d49826dc5b1a9f6e95297c4dad1be5d8c404957ee40dc04cfcf7b9N

    • Size

      1.8MB

    • MD5

      7129b24ba5b05e8a48304a861d744780

    • SHA1

      556ddf9ca97c6bd773351eb8ec0ab7797a27bb18

    • SHA256

      e16d3ed4d3d49826dc5b1a9f6e95297c4dad1be5d8c404957ee40dc04cfcf7b9

    • SHA512

      06c038e7241f0a49b4700bb5c7012b123df27bba1eff1723dae5722216edaa3b468d290431db33c75d37517d6a3b229f66149a7ec2e1e10a271e5d2f433a4496

    • SSDEEP

      49152:OhjAJVllHZrhbBruPk+xjSMX4ODTDF8OcFSkMh:OgVTVXYNX9mOWSkM

    • 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.

    • UAC bypass

    • 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

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks