Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample230705-s263fafa9t
  • SHA256 9b932ec18b77f382f653403b6a4a2fcf463c5e5d691f689dc3ad68e420840b26
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 192.168.56.1:4782

  • 93.35.198.71:4782

Mutex

  • 63eac64e-75b2-49ce-8a2e-3d1114815132

Attributes
  • encryption_key

    4C728E4D527117B7094ADC3922AFF7A3BF47EF70

  • install_name

    WinSysUpdate.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    WinSysAnalisis

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 9b932ec18b77f382f653403b6a4a2fcf463c5e5d691f689dc3ad68e420840b26
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Enterprise v6

Tasks