General

  • Target

    18be906406264a2010ce805c1d4acb113a7116942516559a2662ae9aa1d551b8N.exe

  • Size

    1.7MB

  • Sample

    250123-jr2was1pfn

  • MD5

    5adb3b76b3c985bf7eaee7245a0e9f40

  • SHA1

    4c1f2c2a7e5fab59b7c349215411f72c589a5515

  • SHA256

    18be906406264a2010ce805c1d4acb113a7116942516559a2662ae9aa1d551b8

  • SHA512

    bf9bec6624e7781991f752f63eff5622f43f7c11aa561138200f8693f50d4b5bca90c85c168de72bc390273649a5c0aeccc3ce4b070e27bbbd69f6d118bd80ee

  • SSDEEP

    49152:D+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:uTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      18be906406264a2010ce805c1d4acb113a7116942516559a2662ae9aa1d551b8N.exe

    • Size

      1.7MB

    • MD5

      5adb3b76b3c985bf7eaee7245a0e9f40

    • SHA1

      4c1f2c2a7e5fab59b7c349215411f72c589a5515

    • SHA256

      18be906406264a2010ce805c1d4acb113a7116942516559a2662ae9aa1d551b8

    • SHA512

      bf9bec6624e7781991f752f63eff5622f43f7c11aa561138200f8693f50d4b5bca90c85c168de72bc390273649a5c0aeccc3ce4b070e27bbbd69f6d118bd80ee

    • SSDEEP

      49152:D+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:uTHUxUoh1IF9gl2

    • 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