General

  • Target

    Reparador MTA.exe

  • Size

    3.3MB

  • Sample

    241216-bkczlaxreq

  • MD5

    7c0fac689542f00caff659cbe037186f

  • SHA1

    a541a77e67e2c768bfa69282ff926a50ce3412a1

  • SHA256

    fe3d6fad8814926141da7cf0e91fc86c920b5e4a6ddf7c7d3d42c2a539421e24

  • SHA512

    e5595f74acea7171c2baa2ca4000d3d54b5b0eb6d7323a3904eab1fb98c95c92f7dba83f7059b3482279cf490d0eee52a1967ba08a3540eca2b76cc96c341df2

  • SSDEEP

    49152:1vSI22SsaNYfdPBldt698dBcjHRCl1JLLoGdSTHHB72eh2NT:1v/22SsaNYfdPBldt6+dBcjHRCF

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

azxq0ap.localto.net:3425

Mutex

e51e2b65-e963-4051-9736-67d57ed46798

Attributes
  • encryption_key

    AEA258EF65BF1786F0F767C0BE2497ECC304C46F

  • install_name

    WindowsUpdate.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WindowsUpdate

  • subdirectory

    SubDir

Targets

    • Target

      Reparador MTA.exe

    • Size

      3.3MB

    • MD5

      7c0fac689542f00caff659cbe037186f

    • SHA1

      a541a77e67e2c768bfa69282ff926a50ce3412a1

    • SHA256

      fe3d6fad8814926141da7cf0e91fc86c920b5e4a6ddf7c7d3d42c2a539421e24

    • SHA512

      e5595f74acea7171c2baa2ca4000d3d54b5b0eb6d7323a3904eab1fb98c95c92f7dba83f7059b3482279cf490d0eee52a1967ba08a3540eca2b76cc96c341df2

    • SSDEEP

      49152:1vSI22SsaNYfdPBldt698dBcjHRCl1JLLoGdSTHHB72eh2NT:1v/22SsaNYfdPBldt6+dBcjHRCF

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks