General

  • Target
    FACT.js
  • Size 95KB
  • Sample260807-ph1vjafh32
  • SHA256 2063606303e1deb84f30a2ab036edeac15647d528d671db3b46f204602c22a5b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://aircruza.it.com/cjr.jpg

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://aircruza.it.com/cjr.jpg

Extracted

Family
  • quasar

Version
  • 2.8.0.1

Botnet
  • Bora

C2
  • 191.96.224.177:5552

Mutex
  • 1ZE2SECt9G0IYxD74o

Attributes
  • encryption_key

    N3lCPSrS6BRljoCDClTr

  • install_name

    Venom.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

Targets

    • Target
      FACT.js
    • Size 95KB
    • SHA256 2063606303e1deb84f30a2ab036edeac15647d528d671db3b46f204602c22a5b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Quasar payload

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks