Overview

overview

10

Static

static

1

IMG_2941.png

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    IMG_2941.png
  • Size 795KB
  • Sample260821-csswfsvthv
  • SHA256 75cbf4da21b9a4f28975d19b0d1b501c332c699dfa0a1dcb7700f01f1db6c240
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04wwadwarediscoveryexecutionpersistenceransomwarespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04ww

C2

  • jewish:4782

Mutex

  • 97a52e22-f86f-4001-83d7-443d3b422c6f

Attributes
  • encryption_key

    FF8D521C70BA7BE67B262D3DB4B0C48846682D31

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    quasar

Targets

    • Target
      IMG_2941.png
    • Size 795KB
    • SHA256 75cbf4da21b9a4f28975d19b0d1b501c332c699dfa0a1dcb7700f01f1db6c240
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwareoffice04wwdiscoveryexecutionquasarpersistenceransomwarespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops desktop.ini file(s)

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks