Extracted

Extracted

• • Target

    Client-built.exe

  • Size

    3.1MB

  • MD5

    d736427dd2ccd3f8a536d5cf69827f6f

  • SHA1

    20db2442845c8559801de82434b3af89b6545c4a

  • SHA256

    0463f6a7f96dd95ae2352e658a17210f6242fec676cacd4c9a8042e1b040560e

  • SHA512

    822bdf46a2f950f42a8c17afe9cf1ca27685fb44e180966871df2f2da08b872a10e72e5c892b901d3c1a9f2421ed91ac14b452d0d87fff8146e3839740fb0112

  • SSDEEP

    49152:fvvlL26AaNeWgPhlmVqvMQ7XSKPmEqf5P+rk/GLoGABTHHB72eh2NT:fv9L26AaNeWgPhlmVqkQ7XSKZqU

  Score

  10^/10

  quasaroffice04spywaretrojanxwormdiscoveryexecutionpersistenceratstealer

  • 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

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar

  • Quasar family

    quasar

  • Quasar payload

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Checks computer location settings

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

  • Executes dropped EXE

  • Reads WinSCP keys stored on the system

    Tries to access WinSCP stored sessions.

    spywarestealer

  • Reads user/profile data of web browsers

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

    spywarestealer

  • 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.

  • Drops file in System32 directory

  behavioral1behavioral2