General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241217-13jyaszmcs

  • MD5

    b460be0db90b88f054f802bcb15c3085

  • SHA1

    b3b4faa9d76b3b7c1a595d86b72105b9e42c564e

  • SHA256

    6872f02318d5f28b83c7a19dab208002c06bc3261b8af28ce5ab46c5048e342b

  • SHA512

    86b9d397e1320c960871d97dbb7fcc02a59bddd8b4fb9d9094a08856e8b6266fd525cbb89c857ba1907f356f4172bca9fdfefc0b26da47c7fb7e8d82ebb845f0

  • SSDEEP

    49152:LvilL26AaNeWgPhlmVqvMQ7XSKYWBCpfoGdD4THHB72eh2NT:LvaL26AaNeWgPhlmVqkQ7XSKYWBCZ

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

science-attract.gl.at.ply.gg:4444

Mutex

6ad33fe9-6ed2-45c9-940d-96954b1558e6

Attributes
  • encryption_key

    E040A051368780825E373BF53836EF5E3A5FBF62

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WindowsDefender.exe

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      b460be0db90b88f054f802bcb15c3085

    • SHA1

      b3b4faa9d76b3b7c1a595d86b72105b9e42c564e

    • SHA256

      6872f02318d5f28b83c7a19dab208002c06bc3261b8af28ce5ab46c5048e342b

    • SHA512

      86b9d397e1320c960871d97dbb7fcc02a59bddd8b4fb9d9094a08856e8b6266fd525cbb89c857ba1907f356f4172bca9fdfefc0b26da47c7fb7e8d82ebb845f0

    • SSDEEP

      49152:LvilL26AaNeWgPhlmVqvMQ7XSKYWBCpfoGdD4THHB72eh2NT:LvaL26AaNeWgPhlmVqkQ7XSKYWBCZ

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks