General

  • Target

    97e69e5c30e097e9634b010db2332ec53b7f81348d8d0edf429215ed265fda3eN.exe

  • Size

    1.7MB

  • Sample

    241207-3y9n9s1lgx

  • MD5

    f8d95a8e29563bbdfe9bd258da9b8da0

  • SHA1

    65a0879ce2667b911c2208c29aafaec6be143ac7

  • SHA256

    97e69e5c30e097e9634b010db2332ec53b7f81348d8d0edf429215ed265fda3e

  • SHA512

    7e6e78bf6d5fcc29f3f373a511da1e44a393b5ff9dab787c7935cf815f189abfaca78239b66c156de9cdccbf97f32c2439cf29ca295316e41ee3cc1b7633bdde

  • SSDEEP

    49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:OTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      97e69e5c30e097e9634b010db2332ec53b7f81348d8d0edf429215ed265fda3eN.exe

    • Size

      1.7MB

    • MD5

      f8d95a8e29563bbdfe9bd258da9b8da0

    • SHA1

      65a0879ce2667b911c2208c29aafaec6be143ac7

    • SHA256

      97e69e5c30e097e9634b010db2332ec53b7f81348d8d0edf429215ed265fda3e

    • SHA512

      7e6e78bf6d5fcc29f3f373a511da1e44a393b5ff9dab787c7935cf815f189abfaca78239b66c156de9cdccbf97f32c2439cf29ca295316e41ee3cc1b7633bdde

    • 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