Overview

overview

10

Static

static

10

Chrome Fixed (1).exe

windows10-2004-x64

10

Chrome Fixed (1).exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Chrome Fixed (1).exe
  • Size 3.2MB
  • Sample260511-v7b6csbs4r
  • SHA256 9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04executionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • www.vipbookssearch.radio.fm:80

  • www.vipbookssearch.radio.fm:443

  • vipbookssearch.radio.fm:443

  • vipbookssearch.radio.fm:80

  • vipbookssearch.radio.fm:8080

  • www.vipbookssearch.radio.fm:8080

Mutex

  • 1f0127ec-09ae-4222-a8e3-c8f0e57ea2fb

Attributes
  • encryption_key

    71514463CA895B84E7E6B4A4FC68A8243476E095

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      Chrome Fixed (1).exe
    • Size 3.2MB
    • SHA256 9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04executionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks