General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250116-atkkcstjep

  • MD5

    09aeaab89c707b3844cf6360e21fc2c5

  • SHA1

    9f594050887f3e9917643d88cfc0980867da2abd

  • SHA256

    83e0d63d5121160a9251331b4555350971eaeadfa31387d1e996689cbcd6b877

  • SHA512

    d5eefd2a16b733993a1ed1f3b4a28975ae3e8880a2090e3f70ad5337c748739ae312950dda95363eb6c6d6b324e97fec5a19b0d2feb357f119e38f0d9fcb03ec

  • SSDEEP

    49152:avaY52fyaSZOrPWluWBuGG5g5hPiRJ6xbR3LoGdUTHHB72eh2NT:avv52fyaSZOrPWluWBDG5g5hPiRJ6T

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

10.0.0.85:4782

Mutex

70b15695-83fa-49d5-9ab7-d6837c0bfe04

Attributes
  • encryption_key

    CE951E8DBE6E2FB19D206CC546AB1C2DB4750281

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Solara

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      09aeaab89c707b3844cf6360e21fc2c5

    • SHA1

      9f594050887f3e9917643d88cfc0980867da2abd

    • SHA256

      83e0d63d5121160a9251331b4555350971eaeadfa31387d1e996689cbcd6b877

    • SHA512

      d5eefd2a16b733993a1ed1f3b4a28975ae3e8880a2090e3f70ad5337c748739ae312950dda95363eb6c6d6b324e97fec5a19b0d2feb357f119e38f0d9fcb03ec

    • SSDEEP

      49152:avaY52fyaSZOrPWluWBuGG5g5hPiRJ6xbR3LoGdUTHHB72eh2NT:avv52fyaSZOrPWluWBDG5g5hPiRJ6T

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks