General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241203-gb4c3sslfw

  • MD5

    86bd4496eab8ed85c7806bbe8b4faeff

  • SHA1

    93908110af4954cda171542785bf17c0203077f5

  • SHA256

    a9704b9ec835390fe47e215aa4928bed85698818c5de90ad11e1bc61de12fff1

  • SHA512

    53d49ada84dc2c712805beb18e00b10eb1d730ca9d02dc559b8c0594452eb2ac64af719cb26ec9b8cc4486969078e4640138a5be295f7e968fef2db4c08b1214

  • SSDEEP

    49152:SvJI22SsaNYfdPBldt698dBcjH62RJ6GbR3LoGdOzGTHHB72eh2NT:Svq22SsaNYfdPBldt6+dBcjH62RJ6A

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

victim

C2

192.168.0.8:4782

Mutex

b4f8207c-44c4-442b-9a76-0a5ef954b8b8

Attributes
  • encryption_key

    2EF56B2D5415EB3BBA2A2D7B6B83FB157B370CDE

  • install_name

    cilent-bulit.exe

  • log_directory

    Logs

  • reconnect_delay

    100

  • startup_key

    solara

  • subdirectory

    cilent-bulit

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      86bd4496eab8ed85c7806bbe8b4faeff

    • SHA1

      93908110af4954cda171542785bf17c0203077f5

    • SHA256

      a9704b9ec835390fe47e215aa4928bed85698818c5de90ad11e1bc61de12fff1

    • SHA512

      53d49ada84dc2c712805beb18e00b10eb1d730ca9d02dc559b8c0594452eb2ac64af719cb26ec9b8cc4486969078e4640138a5be295f7e968fef2db4c08b1214

    • SSDEEP

      49152:SvJI22SsaNYfdPBldt698dBcjH62RJ6GbR3LoGdOzGTHHB72eh2NT:Svq22SsaNYfdPBldt6+dBcjH62RJ6A

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v15

Tasks