General

  • Target

    5e0f73566b5c6d171393cdc5d2cbec8ae6f8c7afd37e0bac19aed41e556174d8N.exe

  • Size

    1.7MB

  • Sample

    250116-3sn6dawjaq

  • MD5

    64a7d53536484c80f3816ac58f6561f0

  • SHA1

    65ed3b9c78a1412f99fd3b760bba46cb33e109e0

  • SHA256

    5e0f73566b5c6d171393cdc5d2cbec8ae6f8c7afd37e0bac19aed41e556174d8

  • SHA512

    722e81ebd97480de4a29fc1a5322076a160d3a332b59a7aaaf99797f7d9d558e6a5fd45aa0146c9504d8c4dcc725d33429b25fccd2289a316896297e1e4ce3ce

  • SSDEEP

    49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:OTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      5e0f73566b5c6d171393cdc5d2cbec8ae6f8c7afd37e0bac19aed41e556174d8N.exe

    • Size

      1.7MB

    • MD5

      64a7d53536484c80f3816ac58f6561f0

    • SHA1

      65ed3b9c78a1412f99fd3b760bba46cb33e109e0

    • SHA256

      5e0f73566b5c6d171393cdc5d2cbec8ae6f8c7afd37e0bac19aed41e556174d8

    • SHA512

      722e81ebd97480de4a29fc1a5322076a160d3a332b59a7aaaf99797f7d9d558e6a5fd45aa0146c9504d8c4dcc725d33429b25fccd2289a316896297e1e4ce3ce

    • SSDEEP

      49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:OTHUxUoh1IF9gl2

    • 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.

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks