General

  • Target

    65ede29c9eb1fb5cfcd274327beaad80642ed10468b478d9c291bdde4c849d53.exe

  • Size

    1.7MB

  • Sample

    241207-k4ef7s1pcq

  • MD5

    f1c7ba434142190a707f597065fda0fc

  • SHA1

    1c2991037471e1247910ca32f4435309bf7ff7fd

  • SHA256

    65ede29c9eb1fb5cfcd274327beaad80642ed10468b478d9c291bdde4c849d53

  • SHA512

    9aed1b32c9d40149f41afbf88dd9757f52a52d26889b89d47defca85ea39a25c675d0a31c092657c8cfd8473f1130c8323efa9091c00eec4d733f7e29e1743eb

  • SSDEEP

    49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv0:OTHUxUoh1IF9gl23

Malware Config

Targets

    • Target

      65ede29c9eb1fb5cfcd274327beaad80642ed10468b478d9c291bdde4c849d53.exe

    • Size

      1.7MB

    • MD5

      f1c7ba434142190a707f597065fda0fc

    • SHA1

      1c2991037471e1247910ca32f4435309bf7ff7fd

    • SHA256

      65ede29c9eb1fb5cfcd274327beaad80642ed10468b478d9c291bdde4c849d53

    • SHA512

      9aed1b32c9d40149f41afbf88dd9757f52a52d26889b89d47defca85ea39a25c675d0a31c092657c8cfd8473f1130c8323efa9091c00eec4d733f7e29e1743eb

    • SSDEEP

      49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv0:OTHUxUoh1IF9gl23

    • 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