Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows10-ltsc 2021-x64

10

Client-built.exe

windows11-21h2-x64

10

Client-built.exe

windows7-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241103-h11txsybnc

  • MD5

    671df8e1c2f83f10f1cfb3f447299806

  • SHA1

    9586ee12e49e5fbac96adfd5f3d59e4dfb8393f0

  • SHA256

    597a26bc8399acff834bbce2ccbe7d5bab0e190e7f9163c2bce5feacc7f77ee9

  • SHA512

    097a01e399d7527b0fc2bf952e7153d56b255897ef3f219cbd32938072d4ea66e62894d66f6b0ca80fbfda5c02738497d60c2ea415b0f900941a9c3121619690

  • SSDEEP

    49152:3v3I22SsaNYfdPBldt698dBcjHrExNESEok/iTLoGd3ITHHB72eh2NT:3v422SsaNYfdPBldt6+dBcjHAxrf

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.18:4782

Mutex

44193681-10d5-4b16-9270-2c8ec974b704

Attributes
  • encryption_key

    1F1F096D9E0048372D789D0F2D073EB8FE99A5E0

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      671df8e1c2f83f10f1cfb3f447299806

    • SHA1

      9586ee12e49e5fbac96adfd5f3d59e4dfb8393f0

    • SHA256

      597a26bc8399acff834bbce2ccbe7d5bab0e190e7f9163c2bce5feacc7f77ee9

    • SHA512

      097a01e399d7527b0fc2bf952e7153d56b255897ef3f219cbd32938072d4ea66e62894d66f6b0ca80fbfda5c02738497d60c2ea415b0f900941a9c3121619690

    • SSDEEP

      49152:3v3I22SsaNYfdPBldt698dBcjHrExNESEok/iTLoGd3ITHHB72eh2NT:3v422SsaNYfdPBldt6+dBcjHAxrf

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks