General

  • Target

    findme.exe

  • Size

    3.2MB

  • Sample

    250113-ny1c9s1lax

  • MD5

    4fabffd3dfad2d1e11ae2317b40b6e4a

  • SHA1

    df2ce294dc75060632bfb45add20e69ccc9396c1

  • SHA256

    079172ddcc7b1086b9bf972b21d0d579dbff695fde14811165a986efe322873a

  • SHA512

    bc6ab0e0286913472d6ca8cd19e95b4066d433fbb6247ed377e6ade995a74c201902c32463361e9d9746277fe8898d95b8a08114eedc027f062b38d4ea9550ed

  • SSDEEP

    49152:ubA3jIe1fNayqo7lKdSD6qVvWakQ4BnFxFkUP6IqG7bZ0Z2lOWvOhvECUQb:ubQNuAD3vyQ9bLG7yglVv4vHUy

Malware Config

Targets

    • Target

      findme.exe

    • Size

      3.2MB

    • MD5

      4fabffd3dfad2d1e11ae2317b40b6e4a

    • SHA1

      df2ce294dc75060632bfb45add20e69ccc9396c1

    • SHA256

      079172ddcc7b1086b9bf972b21d0d579dbff695fde14811165a986efe322873a

    • SHA512

      bc6ab0e0286913472d6ca8cd19e95b4066d433fbb6247ed377e6ade995a74c201902c32463361e9d9746277fe8898d95b8a08114eedc027f062b38d4ea9550ed

    • SSDEEP

      49152:ubA3jIe1fNayqo7lKdSD6qVvWakQ4BnFxFkUP6IqG7bZ0Z2lOWvOhvECUQb:ubQNuAD3vyQ9bLG7yglVv4vHUy

    • 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

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks