General

  • Target

    1671c9009460ddc43afb58503030d4c6c167de4df161593d7bd9ec2296f1dc29

  • Size

    1.3MB

  • Sample

    241221-vrhyzatpav

  • MD5

    fa03023ff8b78e844471ce5523b86647

  • SHA1

    fb45485f0db17f1bb696e441559a4ec045cea7a2

  • SHA256

    1671c9009460ddc43afb58503030d4c6c167de4df161593d7bd9ec2296f1dc29

  • SHA512

    2daaf1873b6c31c15c241aa7f24977ff5882ea667b2a00a1b2449934ac3374b8a652704d6f3a8f2737c18153ac3a4fcb710adac84e3b28e9b3786b44ce75e9e6

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

Malware Config

Targets

    • Target

      1671c9009460ddc43afb58503030d4c6c167de4df161593d7bd9ec2296f1dc29

    • Size

      1.3MB

    • MD5

      fa03023ff8b78e844471ce5523b86647

    • SHA1

      fb45485f0db17f1bb696e441559a4ec045cea7a2

    • SHA256

      1671c9009460ddc43afb58503030d4c6c167de4df161593d7bd9ec2296f1dc29

    • SHA512

      2daaf1873b6c31c15c241aa7f24977ff5882ea667b2a00a1b2449934ac3374b8a652704d6f3a8f2737c18153ac3a4fcb710adac84e3b28e9b3786b44ce75e9e6

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks