Overview

overview

10

Static

static

10

Client-b3uilt.exe

windows11-21h2-x64

10

Client-b3uilt.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Client-b3uilt.exe
  • Size 3.1MB
  • Sample260908-yxxwvsxtd1
  • SHA256 9e23de348cd4bf9d494beda878945af7d96e69c7a00ac45713b76bdafc3fa5b4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • idkwhatimdoingololllol12-54270.portmap.host:54270

Mutex

  • 2b7ab46c-f8d9-4d67-8341-a5d5cb955253

Attributes
  • encryption_key

    AE3203A5BEF2D391AE0F42798BBC35DF4D13823E

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-b3uilt.exe
    • Size 3.1MB
    • SHA256 9e23de348cd4bf9d494beda878945af7d96e69c7a00ac45713b76bdafc3fa5b4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04quasarspywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks