Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://send.vis.ee/...

windows7-x64

1

https://send.vis.ee/...

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    https://send.vis.ee/download/38420217fd1f953a/#ailkuAulvY19hQHv5kHFWA
  • Sample240120-ap5dzagga2
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 192.168.56.1:4782

Mutex

  • c1ceedd2-f318-4590-9c53-8ee88c52f38a

Attributes
  • encryption_key

    88EB4DDC3FB28980515A85CC2115A91AE05BD421

  • install_name

    Betterurself.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows

  • subdirectory

    SubDir

Targets

    • Target
      https://send.vis.ee/download/38420217fd1f953a/#ailkuAulvY19hQHv5kHFWA
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks