Extracted

• • Target

    841eb644979b3c640761762645c9cd26f9bb46e558eaeb7bf0c2a79e761878f4.exe

  • Size

    12.7MB

  • MD5

    bbd6ffdb33259778f08704696a04891f

  • SHA1

    0fd836bb4bfc035ff35ebe0fb47e4693cec9e8ba

  • SHA256

    841eb644979b3c640761762645c9cd26f9bb46e558eaeb7bf0c2a79e761878f4

  • SHA512

    1b66f11b3a3dea1e6a8f4f7ee493437a41e30704d1c80048efd245184a447fde6abf06fe45af0663a72b30b657a7297554df8c3af7b36ae2e0df21a5031a34e0

  • SSDEEP

    393216:2JlQ1evI2bs6Yuno3rkJ3InoKasOnHDJaM8X:2bQpgssCKInwjJaMc

  Score

  10^/10

  dcratumbraldefense_evasiondiscoveryevasioninfostealerpersistenceratstealertrojanvmprotect

  • DcRat

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

    ratinfostealerdcrat

  • Dcrat family

    dcrat

  • Detect Umbral payload

  • Modifies WinLogon for persistence

    persistence

  • Modifies Windows Defender Real-time Protection settings

    evasiontrojan

  • Modifies security service

    evasion

  • Process spawned unexpected child process

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

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Umbral family

    umbral

  • DCRat payload

    Detects payload of DCRat, commonly dropped by NSIS installers.

    rat

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • VMProtect packed file

    Detects executables packed with VMProtect commercial packer.

    vmprotect

  • Adds Run key to start application

    persistence

  • Looks up external IP address via web service

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

  • Modifies Security services

    Modifies the startup behavior of a security service.

    defense_evasion

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1behavioral2