General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241210-aadbya1mgk

  • MD5

    3da9b1a1a9bc8d62b14a16f61d9b0d79

  • SHA1

    7a83070e35994f8ec7afed51577df75ba1bbfdb0

  • SHA256

    57da36748503ef806ae7bc812dc416dea9d97747dc50749d61fa7f835b85db1e

  • SHA512

    e83e0742c0ec0da2be36ecf81072891ba4e4f22f5f8fb10d73534250db63c8233678c0c0d1980960f4f05997476da1135e0427270c512f7c5f8e848263004a03

  • SSDEEP

    49152:DvnI22SsaNYfdPBldt698dBcjHU9RJ6ibR3LoGdJTHHB72eh2NT:DvI22SsaNYfdPBldt6+dBcjHU9RJ6c

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.41:4782

Mutex

68c72d56-7c01-4752-8b16-99645c1898fc

Attributes
  • encryption_key

    6A865538EA2172CEA230F0158FFB3F9E7FC36141

  • 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

      3da9b1a1a9bc8d62b14a16f61d9b0d79

    • SHA1

      7a83070e35994f8ec7afed51577df75ba1bbfdb0

    • SHA256

      57da36748503ef806ae7bc812dc416dea9d97747dc50749d61fa7f835b85db1e

    • SHA512

      e83e0742c0ec0da2be36ecf81072891ba4e4f22f5f8fb10d73534250db63c8233678c0c0d1980960f4f05997476da1135e0427270c512f7c5f8e848263004a03

    • SSDEEP

      49152:DvnI22SsaNYfdPBldt698dBcjHU9RJ6ibR3LoGdJTHHB72eh2NT:DvI22SsaNYfdPBldt6+dBcjHU9RJ6c

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks