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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250128-xn8fka1ngn

  • MD5

    3436704fcaa032675bc4b8f1768f8ce2

  • SHA1

    f7c0bcd46e674c467402fc0b9019b0e25e7ca547

  • SHA256

    5f2520633846371a2777aeba2c39b8b22ba5f572d091dc9ad3aaa6a9da4c56c4

  • SHA512

    4476ff2394193be61a2287cb8a3c20597a88b8028361c4b216b24a121a99939f9a5a3b0a2d77cf4f1fb3c6c9977de8e1f0b930e30f6abf6ccf75d3e3de71d366

  • SSDEEP

    49152:DvXI22SsaNYfdPBldt698dBcjHou501vHLoDdftTHHB72eh2NT:DvY22SsaNYfdPBldt6+dBcjHou5K

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.24:4782

Mutex

8778106a-0eb2-4d35-9617-d68276872dc3

Attributes
  • encryption_key

    6705C9378B815AFF21AE90A8CD796479C7CB6028

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Shell Experience

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      3436704fcaa032675bc4b8f1768f8ce2

    • SHA1

      f7c0bcd46e674c467402fc0b9019b0e25e7ca547

    • SHA256

      5f2520633846371a2777aeba2c39b8b22ba5f572d091dc9ad3aaa6a9da4c56c4

    • SHA512

      4476ff2394193be61a2287cb8a3c20597a88b8028361c4b216b24a121a99939f9a5a3b0a2d77cf4f1fb3c6c9977de8e1f0b930e30f6abf6ccf75d3e3de71d366

    • SSDEEP

      49152:DvXI22SsaNYfdPBldt698dBcjHou501vHLoDdftTHHB72eh2NT:DvY22SsaNYfdPBldt6+dBcjHou5K

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks