General

  • Target

    be98b63dc5c3ebadbf9e301ab0ae9258c8d70724f410ad18968a9056b88f7cf2.exe

  • Size

    1.7MB

  • Sample

    250113-g4sgaasmgk

  • MD5

    5571c1c959664fea2858b3aeb11f3748

  • SHA1

    e457759fa2e6dba172fa8fba428ebe7462c7fcb3

  • SHA256

    be98b63dc5c3ebadbf9e301ab0ae9258c8d70724f410ad18968a9056b88f7cf2

  • SHA512

    2cd7c9f59b5875258036167fa8a0c0104f64df510d95c4e87bf013056601a9db3c643b22e564c38e72868b6925b11e51aa8832078e7002e56b8e279331ac9be8

  • SSDEEP

    49152:T+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKvY:+THUxUoh1IF9gl2b

Malware Config

Targets

    • Target

      be98b63dc5c3ebadbf9e301ab0ae9258c8d70724f410ad18968a9056b88f7cf2.exe

    • Size

      1.7MB

    • MD5

      5571c1c959664fea2858b3aeb11f3748

    • SHA1

      e457759fa2e6dba172fa8fba428ebe7462c7fcb3

    • SHA256

      be98b63dc5c3ebadbf9e301ab0ae9258c8d70724f410ad18968a9056b88f7cf2

    • SHA512

      2cd7c9f59b5875258036167fa8a0c0104f64df510d95c4e87bf013056601a9db3c643b22e564c38e72868b6925b11e51aa8832078e7002e56b8e279331ac9be8

    • SSDEEP

      49152:T+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKvY:+THUxUoh1IF9gl2b

    • 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