Overview

overview

10

Static

static

10

RtkAudUService64.exe

windows10-ltsc_2021-x64

10

RtkAudUService64.exe

windows11-21h2-x64

10

RtkAudUService64.exe

windows11-ltsc_2024-x64

10

Resubmissions

17/07/2026, 03:40

260717-d79yysav7j10

17/07/2026, 03:38

260717-d698bsd16v10

Sharing

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General

  • Target
    RtkAudUService64.exe
  • Size 3.1MB
  • Sample260717-d698bsd16v
  • SHA256 c4bfca0a777901192a3aa6b1dc79bfd303c1e1e294af0eb26f3dfdc798c0151c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasarfortnite pcsspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Fortnite Pcs

C2

  • JamesBearden-52632.portmap.host:4782

  • JamesBearden-52632.portmap.host:52632

Mutex

  • 561c7a68-132c-4ce4-9711-ddb125603515

Attributes
  • encryption_key

    2642F12F8A5328F2C727793C1BC395780006B27B

  • install_name

    RtkAudUService64.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Realtek HD Audio Service

  • subdirectory

    C:\Windows\System32\DriverStore

Targets

    • Target
      RtkAudUService64.exe
    • Size 3.1MB
    • SHA256 c4bfca0a777901192a3aa6b1dc79bfd303c1e1e294af0eb26f3dfdc798c0151c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    fortnite pcsquasarspywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Drops file in System32 directory

    behavioral1behavioral2behavioral3

MITRE ATT&CK Matrix

Tasks