Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample261029-h2qeksxw4l
  • SHA256 a1b9a58af97e0f6393e3d9da0fd97864889d854d5d2dc6b7b27ce746e457c8bb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04discoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • mm99.qpon:443

  • soicaurongbachkimmb.com:443

  • soicau7ball.com:443

  • hepipoker.co:443

  • mu88.uk.com:443

  • www.grandazalea.in:443

  • dpjju.in:443

  • shadiar.co:443

  • boardmantra.in:443

  • 10jilislot.com:443

  • inmemoriam.in:443

  • rudrabook.in:443

  • koinslot168-f.cc:443

  • www.rgvworld.in:443

  • pabwa.africa:443

  • www.artwave.in:443

  • rtpslotsosbet.com:443

  • paktuaslot.us:443

  • littleaussieminers.co:443

  • kidstyle.in:443

Mutex

  • 4d61f9ee-ba6e-43f3-9bc3-2821514c2c0b

Attributes
  • encryption_key

    61D61573755A2E8791F777F44FE72A8C404B3F90

  • install_name

    mozilla.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    ThunderBird

  • subdirectory

    ThunderBird

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 a1b9a58af97e0f6393e3d9da0fd97864889d854d5d2dc6b7b27ce746e457c8bb
    • 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