Extracted

• • Target

    Loader.exe

  • Size

    3.9MB

  • MD5

    47a3da93e56b32634ef75d89326eddfd

  • SHA1

    c713ae03c5ca84d5b9d00c3766976a80ff4870f9

  • SHA256

    9da77aa713f1d8a0c0491326e6b187f57c59a9ac9988765913ad837b59dd0687

  • SHA512

    94a936ed621f8aee938bd9e58827723243519c282591d00713f5825c465d2e68b8598911bba712d1a62795d380e4c19b04449a4333983484b03f051fdad18ad6

  • SSDEEP

    98304:Nk1zJMJNrH1Z236EYzNVGm+xI7jfg/7KlTrzTGnI4A/z1Vre:q1zJSVHD236JXjY/7KFKnCz1Ze

  Score

  10^/10

  asyncratdefaultdefense_evasionevasionexecutionpersistencerat

  • AsyncRat

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

    ratasyncrat

  • Asyncrat family

    asyncrat

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Async RAT payload

    rat

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Stops running service(s)

    evasionexecution

  • 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

  • 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.

  • Power Settings

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    persistence

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1