General

  • Target

    https://gofile.io/d/uAGMKa

  • Sample

    240517-qa43naab6y

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

PoofNRico

C2

nahchris-49021.portmap.host:49021

Mutex

1a5d095f-2c59-4b3f-b053-5bd928b2e541

Attributes
  • encryption_key

    ADBAB4BC16998E7E1913E54C27829FE47C72BE6D

  • install_name

    PlutoBETAv2.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    DiscordUpdater.exe

  • subdirectory

    PlutoBETAv2

Targets

    • Target

      https://gofile.io/d/uAGMKa

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • An obfuscated cmd.exe command-line is typically used to evade detection.

MITRE ATT&CK Enterprise v15

Tasks