Overview

overview

10

Static

static

10

you.exe

windows10-2004-x64

10

you.exe

windows11-21h2-x64

10

Resubmissions

19/04/2026, 20:58

260419-zscwkahx7r10

19/04/2026, 20:57

260419-zrj89afs4s10

19/04/2026, 20:52

260419-zn2n5ae15110

Sharing

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General

  • Target
    you.exe
  • Size 3.1MB
  • Sample260419-zn2n5ae151
  • SHA256 c500c6a880a36905bad8300c07e6b7769bf4379cabaa9734855692d92dfaff0b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • rkgb2m8dlt.localto.net:3201

Mutex

  • e3dac159-b253-4c16-91b4-cc212f14dbf4

Attributes
  • encryption_key

    B4C70BBD7DC5280B9E29D79B8B404B2CB606B047

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      you.exe
    • Size 3.1MB
    • SHA256 c500c6a880a36905bad8300c07e6b7769bf4379cabaa9734855692d92dfaff0b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04quasarspywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks