Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample260324-ryfwead14j
  • SHA256 e539e17385528163cc7abd4c7b5dd88a27371b0fc6f46ae84e3b92dfdc7f3e3a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • basilcamera.sa.com:443

  • firstbairdbank.us.com:443

  • nmv.uk.com:443

  • fly88-mobile.com:443

Mutex

  • bd8d9841-9321-4d03-b7a9-ba6f9c368302

Attributes
  • encryption_key

    6036311E00155C31A9D54EA6B1527D8921B0E84A

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 e539e17385528163cc7abd4c7b5dd88a27371b0fc6f46ae84e3b92dfdc7f3e3a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04quasarspywaretrojan
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks