General

  • Target

    5815ea9a332e6998a7a360564c44e812229bcff03b1ce3249238579eb84ac071

  • Size

    4.2MB

  • Sample

    240101-m8jmtsheal

  • MD5

    aca0df99026327e5edfd36b29901b6dd

  • SHA1

    6e20a28c669a98a547511ae244ceeba79fea0b1c

  • SHA256

    5815ea9a332e6998a7a360564c44e812229bcff03b1ce3249238579eb84ac071

  • SHA512

    64935ff60f1cdd57d9c169dab4d26a8df189605fdf631704de50116361cd9f91938c231e11314f3405f263617c977f536a6a68d37a7096fbf56de0418633a178

  • SSDEEP

    98304:bAAJ+AYvsHvH22SsaNYfdPBldt6+dBcjHk/bzT:2wY7jsbzT

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

frp.deitie.asia:5555

Mutex

b827dda2-f30e-4465-be3c-2f1d6a93d4a7

Attributes
  • encryption_key

    465C04B3B0E08D663A071A4F330370E7A7DAD7A4

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      5815ea9a332e6998a7a360564c44e812229bcff03b1ce3249238579eb84ac071

    • Size

      4.2MB

    • MD5

      aca0df99026327e5edfd36b29901b6dd

    • SHA1

      6e20a28c669a98a547511ae244ceeba79fea0b1c

    • SHA256

      5815ea9a332e6998a7a360564c44e812229bcff03b1ce3249238579eb84ac071

    • SHA512

      64935ff60f1cdd57d9c169dab4d26a8df189605fdf631704de50116361cd9f91938c231e11314f3405f263617c977f536a6a68d37a7096fbf56de0418633a178

    • SSDEEP

      98304:bAAJ+AYvsHvH22SsaNYfdPBldt6+dBcjHk/bzT:2wY7jsbzT

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks