General

  • Target

    9b4a5a44a932c5c42086a5989f87a5261ab8e6e96bc8ea2c0cf7ca6de68bc7ad.exe

  • Size

    3.1MB

  • Sample

    241217-eps36a1mak

  • MD5

    dbde842faf140037f07cad5bd09771e9

  • SHA1

    64dbcaf7d1e664556b5fd82e0e8b8efeae38dea0

  • SHA256

    9b4a5a44a932c5c42086a5989f87a5261ab8e6e96bc8ea2c0cf7ca6de68bc7ad

  • SHA512

    8a970a2ef3e0bcf378acce7a748289b8cdc68c5ff7b50d940dd4ce1f94c9790e9be6a440e1baf57e5fab8a6d767d4a1ddbe6b2244c23a95f91f553af32339885

  • SSDEEP

    49152:hveI22SsaNYfdPBldt698dBcjHDCG1JELoGdXTHHB72eh2NT:hvT22SsaNYfdPBldt6+dBcjHDC3

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.68.104:4782

Mutex

93aae856-95a8-4f87-bb5a-e035e00ec571

Attributes
  • encryption_key

    A9BD88FEF9A2EA52A07F5C37D168C315C868BC60

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Antimalware Core Service

  • subdirectory

    SubDir

Targets

    • Target

      9b4a5a44a932c5c42086a5989f87a5261ab8e6e96bc8ea2c0cf7ca6de68bc7ad.exe

    • Size

      3.1MB

    • MD5

      dbde842faf140037f07cad5bd09771e9

    • SHA1

      64dbcaf7d1e664556b5fd82e0e8b8efeae38dea0

    • SHA256

      9b4a5a44a932c5c42086a5989f87a5261ab8e6e96bc8ea2c0cf7ca6de68bc7ad

    • SHA512

      8a970a2ef3e0bcf378acce7a748289b8cdc68c5ff7b50d940dd4ce1f94c9790e9be6a440e1baf57e5fab8a6d767d4a1ddbe6b2244c23a95f91f553af32339885

    • SSDEEP

      49152:hveI22SsaNYfdPBldt698dBcjHDCG1JELoGdXTHHB72eh2NT:hvT22SsaNYfdPBldt6+dBcjHDC3

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks