General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250114-cayc8atkbt

  • MD5

    18833ce91b26be79378f897dca190f66

  • SHA1

    c7fdea28474a3e12ebe51aa878abeed9969d8d01

  • SHA256

    77c61d4dd21b5b2319e14d750799a1be96254cb0fd4c7edd3e81bc825c91594c

  • SHA512

    565b069175f60cce8d67eddfe41bc8ab5caadbe2ed41acd7a3108b96c3cf7fbdbc8593af7bbe1ad6ac33dd0444866073eff65ff001458b7e94c8ded9f41561c6

  • SSDEEP

    49152:SvaY52fyaSZOrPWluWBuGG5g5hnDmVmzmioGdKeTHHB72eh2NT:Svv52fyaSZOrPWluWBDG5g5hnDmC

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Offset

C2

127.0.0.1:8080

Mutex

6210ab1d-dd45-4f17-a324-f24c1474c4d8

Attributes
  • encryption_key

    CABE6FE0988CAB22AE614AA6065A89402DF1C513

  • install_name

    svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    conhost

  • subdirectory

    Windows

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      18833ce91b26be79378f897dca190f66

    • SHA1

      c7fdea28474a3e12ebe51aa878abeed9969d8d01

    • SHA256

      77c61d4dd21b5b2319e14d750799a1be96254cb0fd4c7edd3e81bc825c91594c

    • SHA512

      565b069175f60cce8d67eddfe41bc8ab5caadbe2ed41acd7a3108b96c3cf7fbdbc8593af7bbe1ad6ac33dd0444866073eff65ff001458b7e94c8ded9f41561c6

    • SSDEEP

      49152:SvaY52fyaSZOrPWluWBuGG5g5hnDmVmzmioGdKeTHHB72eh2NT:Svv52fyaSZOrPWluWBDG5g5hnDmC

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks