Extracted

• • Target

    winupdate.exe

  • Size

    7.6MB

  • MD5

    4667ad84b811400babc982785614bb5f

  • SHA1

    0016a4d0e998382722895dee4a062c0c318e37bf

  • SHA256

    d69647cf1c96e058e4a9ed4887cc08a36c863751e711f98171e32cdc36478eda

  • SHA512

    f3276d245eae7a52233e785c9a79cc9de034b89fec7ccf22ba796c2cc8789541e5cfeb0299e8b430b6bfab43a6ecb1c0fc94ac64022320e413925649c454d2cf

  • SSDEEP

    196608:MvhBhOurErvI9pWjg/Qc+4o673pNrabeYyzWG+MYnN9sp:K4urEUWjZZ4dDLIeLzWG+TNCp

  Score

  10^/10

  upxxwormcollectioncredential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationratspywarestealertrojan

  • Contains code to disable Windows Defender

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Checks computer location settings

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

  • Clipboard Data

    Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    collection

  • Drops startup file

  • 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

  • Unsecured Credentials: Credentials In Files

    Steal credentials from unsecured files.

    credential_accessstealer

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • 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.

  • Obfuscated Files or Information: Command Obfuscation

    Adversaries may obfuscate content during command execution to impede detection.

    defense_evasion

  • Enumerates processes with tasklist

    discovery

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  behavioral1behavioral2