General

  • Target
    3b5ae0315b4623a6bd2c711bc8b8e28f.exe
  • Size 3.0MB
  • Sample240927-hfsb2ssgle
  • SHA256 af20afbe249de8d37ecdae69670fdced02fdfbbfdf7a1f2810e7628b52e29e4c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      3b5ae0315b4623a6bd2c711bc8b8e28f.exe
    • Size 3.0MB
    • SHA256 af20afbe249de8d37ecdae69670fdced02fdfbbfdf7a1f2810e7628b52e29e4c
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks