Overview

overview

10

Static

static

1

URLScan

urlscan

1

http://gofile.io/d/V...

windows10-2004-x64

10

Sharing

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General

  • Target

    http://gofile.io/d/Vw475K

  • Sample

    241030-ant7lstpgp

Score
10/10
quasaroffice04discoveryexecutionspywaretrojanupx

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.28:4782

Mutex

03ef2b9a-5389-4312-b3d3-9b6f68cc5386

Attributes
  • encryption_key

    F8A900CD75D848E74023B3A66FA8AA5469C97692

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    ahhaa

  • subdirectory

    SubDir

Targets

    • Target

      http://gofile.io/d/Vw475K

    Score
    10/10
    quasaroffice04discoveryexecutionspywaretrojanupx

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Executes dropped EXE

    • 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.

    • Enumerates processes with tasklist

      discovery

    • UPX packed file

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

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks