General

  • Target

    02df1f1a3cddaaba320be4c7a7dd7071

  • Size

    1016KB

  • Sample

    231225-dygwtabae4

  • MD5

    02df1f1a3cddaaba320be4c7a7dd7071

  • SHA1

    4b9a7ca107ec2e34d6b62c1ebfa0ee06747d4b4a

  • SHA256

    43ba4dd4ff8aed7cbdc459c220164a7ed4af302cd8c21ca3415346128aa4ad1c

  • SHA512

    66b1cf49765a899e13950c9b6a62b6a8ec6e6eb2c0d5cce5779789e0c379980d09c503d9fbf39785a7b8dad5fa554bd46dd73adf07bee49b443edeabd432404f

  • SSDEEP

    6144:AIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUmDa1is0f:AIXsgtvm1De5YlOx6lzBH46Umu1q

Malware Config

Targets

    • Target

      02df1f1a3cddaaba320be4c7a7dd7071

    • Size

      1016KB

    • MD5

      02df1f1a3cddaaba320be4c7a7dd7071

    • SHA1

      4b9a7ca107ec2e34d6b62c1ebfa0ee06747d4b4a

    • SHA256

      43ba4dd4ff8aed7cbdc459c220164a7ed4af302cd8c21ca3415346128aa4ad1c

    • SHA512

      66b1cf49765a899e13950c9b6a62b6a8ec6e6eb2c0d5cce5779789e0c379980d09c503d9fbf39785a7b8dad5fa554bd46dd73adf07bee49b443edeabd432404f

    • SSDEEP

      6144:AIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUmDa1is0f:AIXsgtvm1De5YlOx6lzBH46Umu1q

    • Modifies WinLogon for persistence

    • UAC bypass

    • Adds policy Run key to start application

    • Disables RegEdit via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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 v15

Tasks