Extracted

Extracted

• • Target

    6bcbbae880579def254a8e3d321041b4f0e76853ab30ef7205ba4f98344e321d

  • Size

    290KB

  • MD5

    6f54a8127fa583d9bb627d9dd609faa0

  • SHA1

    725b74814a9c70c26674a69f93741ec731a4284c

  • SHA256

    6bcbbae880579def254a8e3d321041b4f0e76853ab30ef7205ba4f98344e321d

  • SHA512

    9c5dcb237ca86f4f82c530dce0398fe78100394cce270a20bf60600a2ad3e39893b7437c792bc821910a93d670fb3e3fc6c9de2a22eff79ef3c9d7b65254297a

  • SSDEEP

    6144:WtfWVjfwqnZqqHMhDVRLht8iswEcb8pPQDvv4IuWURFPtKnH7ls9UE9:WoRfwoZrHMBV9EwEcb8+DvtuWUb4ps9U

  Score

  10^/10

  asyncratdefaultdiscoveryevasionexecutionratbootkitdefense_evasionpersistence

  • AsyncRat

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

    ratasyncrat

  • Asyncrat family

    asyncrat

  • Modifies security service

    evasion

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Async RAT payload

    rat

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Sets service image path in registry

    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.

  • Drops startup file

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

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

    defense_evasion

  • Loads dropped DLL

  • 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

  behavioral1behavioral2