Overview

overview

10

Static

static

10

install.exe

windows10-2004-x64

10

install.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    install.exe
  • Size 3.1MB
  • Sample261031-ryjx3ahf48
  • SHA256 cd0414e4db98d32c1e663c7683c69fb89f8f16e3cf5447895189873d59de789f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04discoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • ok9.cool:4782

  • http://ok9.cool:80

  • ok9.cool:8080

  • 77.radio.am:8080

  • 77.radio.am:80

  • 77.radio.am:4782

  • ok9.ninja:4782

  • blueskyspacepowertree.radio.fm:4782

  • forskvare.radio.fm:4782

  • louie.uk.com:4782

  • hentaila.radio.fm:4782

  • www.utm.net.pl:4782

  • utm.net.pl:8080

  • 2mic.my:4782

  • s8.claims:4782

  • s8l.link:4782

Mutex

  • 4833781f-ab77-4c9e-af36-793930f77164

Attributes
  • encryption_key

    61D61573755A2E8791F777F44FE72A8C404B3F90

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    500

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      install.exe
    • Size 3.1MB
    • SHA256 cd0414e4db98d32c1e663c7683c69fb89f8f16e3cf5447895189873d59de789f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04discoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks