Overview

overview

10

Static

static

10

pvunjd.exe

windows10-2004-x64

10

pvunjd.exe

windows11-21h2-x64

10

Resubmissions

23/04/2026, 10:58

260423-m3cbkabw4j10

23/04/2026, 10:51

260423-mxt97aav4w10

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General

  • Target
    pvunjd.exe
  • Size 1.8MB
  • Sample260423-mxt97aav4w
  • SHA256 1668b01bcd70940e7864282b6b783afdc3bfc73eb45b57b035790da04e2c60f0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.7.4

Botnet

  • Office04

C2

  • 209.38.245.5:4848

Mutex

  • 4bf69d08-3b2a-4d86-8bd3-547ebf3431e5

Attributes
  • encryption_key

    41944CE311A025141AF9B2520EEDFBF1E4A2CCE1

  • install_name

    Client.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Pulsar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      pvunjd.exe
    • Size 1.8MB
    • SHA256 1668b01bcd70940e7864282b6b783afdc3bfc73eb45b57b035790da04e2c60f0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04quasarspywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks