General

  • Target

    https://github.com/AJMartel/MeGa-RAT-Pack

  • Sample

    241125-gmyxqsxren

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    5000

Extracted

Family

quasar

Version

1.3.0.0

Botnet

sheisnaked

C2

10.127.0.238:4782

Mutex

QSR_MUTEX_7fak0DswHgXJ2Lg3vN

Attributes
  • encryption_key

    cuNM9s5QevWTWb87e4sy

  • install_name

    Java Updater.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Java Updater

  • subdirectory

    SubDir

Extracted

Family

quasar

Version

1.4.0.0

Botnet

HackedPC

C2

10.127.0.238:4782

Mutex

oopDvZ0Pv9LZd6ZHiE

Attributes
  • encryption_key

    UkupB7550cfCLLVj3Nla

  • install_name

    Updater.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Updater

  • subdirectory

    SubDir

Targets

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks