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General

  • Target

    f94a2ec66b0687d8653e12ab2587ca408e823f609a70ddd400afcb6e343c4121

  • Size

    1016KB

  • Sample

    221012-steyzshcd9

  • MD5

    6112b7be85e203de144e8cf777877430

  • SHA1

    eeca0708de0f1ea1fc8187c6d8d7e77d840fe894

  • SHA256

    f94a2ec66b0687d8653e12ab2587ca408e823f609a70ddd400afcb6e343c4121

  • SHA512

    dc117254e5d76aee4e304a8789e95ab7d0f860356e242c2c5e9b56194eb33f433e19ca19e93c573cdae5430ee744dd01ec645c98180cc5652fd65a65d7231fd3

  • SSDEEP

    6144:1IXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHU:1IXsgtvm1De5YlOx6lzBH46U

Malware Config

Targets

    • Target

      f94a2ec66b0687d8653e12ab2587ca408e823f609a70ddd400afcb6e343c4121

    • Size

      1016KB

    • MD5

      6112b7be85e203de144e8cf777877430

    • SHA1

      eeca0708de0f1ea1fc8187c6d8d7e77d840fe894

    • SHA256

      f94a2ec66b0687d8653e12ab2587ca408e823f609a70ddd400afcb6e343c4121

    • SHA512

      dc117254e5d76aee4e304a8789e95ab7d0f860356e242c2c5e9b56194eb33f433e19ca19e93c573cdae5430ee744dd01ec645c98180cc5652fd65a65d7231fd3

    • SSDEEP

      6144:1IXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHU:1IXsgtvm1De5YlOx6lzBH46U

    • Modifies WinLogon for persistence

    • UAC bypass

    • Adds policy Run key to start application

    • Disables RegEdit via registry modification

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks