Extracted

• • Target
    Ring3.Rootkit.Remover.exe
  • Size 151KB
  • SHA256 906f16836d4ed91fbaf79a1e21a140a4a29783f3b21e55ae4247f26c1916d70f
  • MD5 d58b5b6cfcaf63f9dd9015fadf8e8223
  • SHA1 f927a187ca142b03f5dc0c49804fb6eb4425f3f3
  • SHA512 cb5d0832d00cd5cf72734425d0bae5039e1356a1da1105af6260468e1420e3207d90fbe09a9019134b0a1d6528ff3f84f2b025d6111cde2364eb255c5c885b47
  • SSDEEP 3072:6J/Rm34y9GUVkpj3KOVgHqMPfKVqcbYA/LzNAtV:6nm34y9D2pj3TgnKVqc0B
  • MD5 SHA1 SHA512 SSDEEP

  Score

  10^/10

  asyncratdefaultbootkitdiscoveryevasionexecutionpersistenceratspywarestealertrojan

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Async RAT payload

    rat

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Modifies RDP port number used by Windows

  • Sets service image path in registry

    persistence

  • Uses Session Manager for persistence

    Creates Session Manager registry key to run executable early in system boot.

    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

  • Loads dropped DLL

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Registers COM server for autorun

    persistence

  • Windows security modification

    evasiontrojan

  • Adds Run key to start application

    persistence

  • Checks for any installed AV software in registry

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Enumerates connected drives

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

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

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

  • Writes to the Master Boot Record (MBR)

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

    bootkitpersistence

  • AutoIT Executable

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory

  behavioral1