Overview

overview

10

Static

static

1

URLScan

urlscan

https://mega.nz/file...

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    https://mega.nz/file/SZtVQa6I#GNLB0pLvrwXgFCvT3WXIWzg8W5aNqQMX-gQi23JfPjc

  • Sample

    240701-gqwlsaxgna

Score
10/10
quasarwyverndumbassspywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.0.1

Botnet

WyvernDumbass

C2

127.0.0.1:2912

Mutex

QSR_MUTEX_kZpgHXcbTqoAXhJbxd

Attributes
  • encryption_key

    VkgXdJ4sFQMwCQwt6rcE

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      https://mega.nz/file/SZtVQa6I#GNLB0pLvrwXgFCvT3WXIWzg8W5aNqQMX-gQi23JfPjc

    Score
    10/10
    quasarwyverndumbassspywaretrojan

    • 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.

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks