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

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.3MB
  • Sample261001-v5tydssw7m
  • SHA256 0a54f429e5006666f522c0543c05dca8a17d4395ff87df5638c96efef9d98c54
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • nsnosi-48450.portmap.host:48450

Mutex

  • af0d1ca0-0b56-4ddb-9c44-8384bc2ac0ef

Attributes
  • encryption_key

    166D24D4C819BEF28903C6AEDB030702D4E02557

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.3MB
    • SHA256 0a54f429e5006666f522c0543c05dca8a17d4395ff87df5638c96efef9d98c54
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04discoveryquasarspywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks