General

  • Target

    Client-built2.exe

  • Size

    3.1MB

  • Sample

    241107-cg4htatbrp

  • MD5

    846c5e39a589ac955d24e6a944df12be

  • SHA1

    d78d21301b7f10833ce356e254dcbff43ca987e4

  • SHA256

    757424386cb9f3c986cca5b9fe3ccc296443f8edb6cbdf5caedc82b13f5e9b2d

  • SHA512

    facb7b046dced81e50f110c60da7bf48dd526cbda93a20157fa2c15206b7c59d68cf428ebcdc3df2b93545117c89003cee8d0bf72f11ed1aa376c864d943219b

  • SSDEEP

    49152:avQt62XlaSFNWPjljiFa2RoUYIVpRJ6ebR3LoGde8THHB72eh2NT:avc62XlaSFNWPjljiFXRoUYIVpRJ6Y

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

10.0.0.97:4782

Mutex

925f6110-6db0-4053-8833-f663c97c5e70

Attributes
  • encryption_key

    A9E8D8AB807B81C2D0B67F9752CFAF0AA688C5D0

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built2.exe

    • Size

      3.1MB

    • MD5

      846c5e39a589ac955d24e6a944df12be

    • SHA1

      d78d21301b7f10833ce356e254dcbff43ca987e4

    • SHA256

      757424386cb9f3c986cca5b9fe3ccc296443f8edb6cbdf5caedc82b13f5e9b2d

    • SHA512

      facb7b046dced81e50f110c60da7bf48dd526cbda93a20157fa2c15206b7c59d68cf428ebcdc3df2b93545117c89003cee8d0bf72f11ed1aa376c864d943219b

    • SSDEEP

      49152:avQt62XlaSFNWPjljiFa2RoUYIVpRJ6ebR3LoGde8THHB72eh2NT:avc62XlaSFNWPjljiFXRoUYIVpRJ6Y

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks