General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241026-3fkbnayjcp

  • MD5

    f376797b0fee565e345961746ce5d488

  • SHA1

    e411ca3cedf4390229637f7dc5b2f9098f289c31

  • SHA256

    ec7ebcd2b6c9289969840948cb7f523d3b67cad6cae1955b7e9ef059b0218dc0

  • SHA512

    e3323855730d474343249738a5d2e74df819f6dc02f553b3c769e988a8b5d9f607031921cb5f98cfd696474fec6590d6daac65d1caa14a1da50c564e23737f60

  • SSDEEP

    49152:XvzlL26AaNeWgPhlmVqvMQ7XSKoSRJ6fbR3LoGdATHHB72eh2NT:XvpL26AaNeWgPhlmVqkQ7XSKoSRJ6x

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

Index1337z-43991.portmap.host:43991

Mutex

0078aebf-454a-4862-8d16-b94bd8465d38

Attributes
  • encryption_key

    3833C35AA932103E67A3C2ED814028BCDAEA8E15

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      f376797b0fee565e345961746ce5d488

    • SHA1

      e411ca3cedf4390229637f7dc5b2f9098f289c31

    • SHA256

      ec7ebcd2b6c9289969840948cb7f523d3b67cad6cae1955b7e9ef059b0218dc0

    • SHA512

      e3323855730d474343249738a5d2e74df819f6dc02f553b3c769e988a8b5d9f607031921cb5f98cfd696474fec6590d6daac65d1caa14a1da50c564e23737f60

    • SSDEEP

      49152:XvzlL26AaNeWgPhlmVqvMQ7XSKoSRJ6fbR3LoGdATHHB72eh2NT:XvpL26AaNeWgPhlmVqkQ7XSKoSRJ6x

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks