General

  • Target

    ratXD.exe

  • Size

    3.1MB

  • Sample

    240418-mrnv8aca4s

  • MD5

    9c5f2f586e52a975593d11710685f846

  • SHA1

    887006a6849b22cfbf85871e50ab33404097f654

  • SHA256

    9259a4e7b71dc408f62faa9c6f7f73b5a906466dc9c751bfa8b23f641cc614f2

  • SHA512

    c3fb61664de1248713b7c1a98d17b344a68d6a676841f174659565e043ec6aecc0c27bd4a47d815e0d19fd070054ff2ca57fb304878b284162a5b9142c2b38bf

  • SSDEEP

    49152:avCI22SsaNYfdPBldt698dBcjHBY5VBxFUoGdD9THHB72eh2NT:avP22SsaNYfdPBldt6+dBcjHBY5c

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

177.72.82.9:5678

Mutex

62a700ff-4fdb-4af6-b871-ab8a290f0701

Attributes
  • encryption_key

    E0A41577673498A6E2FD27CB9AED2F6B83527072

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Targets

    • Target

      ratXD.exe

    • Size

      3.1MB

    • MD5

      9c5f2f586e52a975593d11710685f846

    • SHA1

      887006a6849b22cfbf85871e50ab33404097f654

    • SHA256

      9259a4e7b71dc408f62faa9c6f7f73b5a906466dc9c751bfa8b23f641cc614f2

    • SHA512

      c3fb61664de1248713b7c1a98d17b344a68d6a676841f174659565e043ec6aecc0c27bd4a47d815e0d19fd070054ff2ca57fb304878b284162a5b9142c2b38bf

    • SSDEEP

      49152:avCI22SsaNYfdPBldt698dBcjHBY5VBxFUoGdD9THHB72eh2NT:avP22SsaNYfdPBldt6+dBcjHBY5c

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks