General

  • Target

    b961d39237a098049a7ba1b6c78f2f02b6f1b9e80d149593f3103aafb6b215b8.exe

  • Size

    3.1MB

  • Sample

    241214-pp6pcstmbq

  • MD5

    77de6e8143094a619804ebf2d59eb094

  • SHA1

    b87fc79d0825d979314c392781b0211087e78ca2

  • SHA256

    b961d39237a098049a7ba1b6c78f2f02b6f1b9e80d149593f3103aafb6b215b8

  • SHA512

    fa6dcd1d8b78548e12d22098a6b9107a744b9b85dd8276c18faf601f30ada97e7f023c6e376dc929c715c308a57b1105199acdd69697a0e6930bccd7afc2a6f9

  • SSDEEP

    49152:zvylL26AaNeWgPhlmVqvMQ7XSKokCP1JSLoGdatCTHHB72eh2NT:zvqL26AaNeWgPhlmVqkQ7XSKokCs

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Test

C2

193.161.193.99:35184

67.205.154.243:35184

Mutex

9cabbafb-503b-49f1-ab22-adc756455c10

Attributes
  • encryption_key

    8B93C77AC1C58EA80A3327E9FD26246A79EF3B8E

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    MS Build Tools

  • subdirectory

    Microsoft-Build-Tools

Targets

    • Target

      b961d39237a098049a7ba1b6c78f2f02b6f1b9e80d149593f3103aafb6b215b8.exe

    • Size

      3.1MB

    • MD5

      77de6e8143094a619804ebf2d59eb094

    • SHA1

      b87fc79d0825d979314c392781b0211087e78ca2

    • SHA256

      b961d39237a098049a7ba1b6c78f2f02b6f1b9e80d149593f3103aafb6b215b8

    • SHA512

      fa6dcd1d8b78548e12d22098a6b9107a744b9b85dd8276c18faf601f30ada97e7f023c6e376dc929c715c308a57b1105199acdd69697a0e6930bccd7afc2a6f9

    • SSDEEP

      49152:zvylL26AaNeWgPhlmVqvMQ7XSKokCP1JSLoGdatCTHHB72eh2NT:zvqL26AaNeWgPhlmVqkQ7XSKokCs

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks