General

  • Target

    789ff6a462201360bea02c98b4fb3c2d.exe

  • Size

    984KB

  • Sample

    241206-kr54dsvpan

  • MD5

    789ff6a462201360bea02c98b4fb3c2d

  • SHA1

    322228573e2be64daf1ee9118af397dfcbc91bce

  • SHA256

    0fc310783328a7b162001c9557bbed66e30d45de3ac0362e15f6f28d83ccc7a8

  • SHA512

    72517203f735a71d241fb69d55a85315f678dec2f7c02d8b3733e318fe804424cf7079873a296a6e411e2b1364800cc89df45987a8609813f1a64a60b044616e

  • SSDEEP

    12288:gyEIOYTNEIf5AycvEhKIV6tEcln0Ai2a61h3cQ9Fk+ntGoWuzsx1oiLgo:gyErYT+PvXIUln/1GJgo

Malware Config

Targets

    • Target

      789ff6a462201360bea02c98b4fb3c2d.exe

    • Size

      984KB

    • MD5

      789ff6a462201360bea02c98b4fb3c2d

    • SHA1

      322228573e2be64daf1ee9118af397dfcbc91bce

    • SHA256

      0fc310783328a7b162001c9557bbed66e30d45de3ac0362e15f6f28d83ccc7a8

    • SHA512

      72517203f735a71d241fb69d55a85315f678dec2f7c02d8b3733e318fe804424cf7079873a296a6e411e2b1364800cc89df45987a8609813f1a64a60b044616e

    • SSDEEP

      12288:gyEIOYTNEIf5AycvEhKIV6tEcln0Ai2a61h3cQ9Fk+ntGoWuzsx1oiLgo:gyErYT+PvXIUln/1GJgo

    • 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.

    • UAC bypass

    • 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

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks