General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250119-e1hrkawnfq

  • MD5

    e84825f20d531199cefcdf8f0ac0a5bf

  • SHA1

    e016a14c992c56ef916da2465211ebbfee8502c1

  • SHA256

    9c881a05c58c18e795f9f687804c8a4f13244744bbcd0b1bd07856cbd42a378d

  • SHA512

    d9b719ec9853d8c9aaeb8e597082cb69c9a338d4f5dd3685e49841dc93f03e63f67e4f21ec59fa10b561c412cbde124d589f7b1cff1525002f3b78eaf4995fab

  • SSDEEP

    49152:SvyI22SsaNYfdPBldt698dBcjHEYhBbRjPLoGdzkTHHB72eh2NT:Svf22SsaNYfdPBldt6+dBcjHEYh7Tj

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.2.19:4782

Mutex

112650ca-1287-418e-b9d3-1664d22cb8f1

Attributes
  • encryption_key

    CA3612A22558F9AC4A3F0665F4EF083FB1D45393

  • 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

      e84825f20d531199cefcdf8f0ac0a5bf

    • SHA1

      e016a14c992c56ef916da2465211ebbfee8502c1

    • SHA256

      9c881a05c58c18e795f9f687804c8a4f13244744bbcd0b1bd07856cbd42a378d

    • SHA512

      d9b719ec9853d8c9aaeb8e597082cb69c9a338d4f5dd3685e49841dc93f03e63f67e4f21ec59fa10b561c412cbde124d589f7b1cff1525002f3b78eaf4995fab

    • SSDEEP

      49152:SvyI22SsaNYfdPBldt698dBcjHEYhBbRjPLoGdzkTHHB72eh2NT:Svf22SsaNYfdPBldt6+dBcjHEYh7Tj

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks