Overview

overview

10

Static

static

1

URLScan

urlscan

https://github.com/c...

windows10-2004-x64

10

Sharing

Copy URL
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General

  • Target

    https://github.com/cfedss/xMainDab/releases/download/101/xMainDab.rar

  • Sample

    240603-lmg2fabf25

Score
10/10
quasarofficeexecutionspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Office

C2

espinyskibidi-40205.portmap.host:40205

Mutex

CdrjrrWbtRopP1ic7E

Attributes
  • encryption_key

    P2ctPN6uGReD4W1dEypm

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Client

  • subdirectory

    Microsoft

Targets

    • Target

      https://github.com/cfedss/xMainDab/releases/download/101/xMainDab.rar

    Score
    10/10
    quasarofficeexecutionspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

      execution

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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.

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks