Extracted

• • Target
    MasonClient12f_Slayed-cleaned.exe
  • Size 1.6MB
  • SHA256 69f7cfc10aa1a343defd5e3304c10d581cbf54cfd525cf4ffb0b03e82449413b
  • MD5 fd0a6350adbb7354f028d1df41389873
  • SHA1 008120f3bdbe37fab6c7d5f09d3e9de843a64ee5
  • SHA512 84feac9b1d8cee2947b849e51f1abfe0742719084cd6812a503d6477bff05fc7da5bbbf6e9b8add053bc6a39bdf983de78f39f36140c9d8199f8a77f91251735
  • SSDEEP 24576:g41yJjxmUzyD5ctmj7RdfmdhMq6E+m+rr6O67Ies2CQQMk/jtjJzaXb:TwRv2ee7vfA3K61Ues2D+/jtjJzaXb
  • TLSH
    T1C985338A0559F981C0AD53753E6E86C29B1CF3B3AB903B27F44317AD772B21F5115D88
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  bootkitdefense_evasiondiscoveryexecutiondonutloaderneptuneratloaderpersistenceprivilege_escalationtrojan

  • Detects DonutLoader

    loader

  • Detects NeptuneRAT stealer

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    loaderdonutloader

  • Family: NeptuneRAT, MasonRAT

    NeptuneRAT aka MasonRAT is a trojan written in C#.

    trojanneptunerat

  • Suspicious use of NtCreateUserProcessOtherParentProcess

    defense_evasionprivilege_escalation

  • Sets service image path in registry

    This determines the executable launched when a service starts. It can be used to establish persistence.

    persistence

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings

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

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

    Clear Windows Event Logs to hide the activity of an intrusion.

    defense_evasion

  • Adds Run key to start application

    persistence

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2behavioral3