Overview

overview

10

Static

static

10

Client-2.exe

windows10-2004-x64

10

Client-2.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Client-2.exe
  • Size 2.6MB
  • Sample260809-w812jstdqg
  • SHA256 4518753aea43be0fa3d6755f531d569a209b715616c076880b7cdd026eebf3d1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04defense_evasiondiscoveryexecutionransomwarespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.6.6

Botnet

  • Office04

C2

  • c6qitux5e.localto.net:2164

Mutex

  • b37c4cbf-68f4-4e7c-92ba-ac265729eb51

Attributes
  • encryption_key

    7799F230382DEC15CFC54F1D560B5A8B875621D2

  • install_name

    .exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Targets

    • Target
      Client-2.exe
    • Size 2.6MB
    • SHA256 4518753aea43be0fa3d6755f531d569a209b715616c076880b7cdd026eebf3d1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04defense_evasiondiscoveryexecutionquasarspywaretrojanransomware

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Looks up external IP address via web service

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

      discovery

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks