General

  • Target

    b505a14159df87ac31bceb15aea66f17b93c59dd140fc6252988f05b9cef96a7.exe

  • Size

    1016KB

  • Sample

    241121-cvpltaxejc

  • MD5

    ee47200f60aa0ffe7e554db291da8a8f

  • SHA1

    a2ab0c657b6045b98aca1befb1fe2ce02ca0ae9e

  • SHA256

    b505a14159df87ac31bceb15aea66f17b93c59dd140fc6252988f05b9cef96a7

  • SHA512

    02512eaff12cf835116833bead2006aa14e4f86e65f0225887e5d9e2b7a199849222bd15d50bf269e23646192f7cde45f9cb3746964bb6d3e6d325b4d250d478

  • SSDEEP

    6144:GIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUM:GIXsgtvm1De5YlOx6lzBH46UM

Malware Config

Targets

    • Target

      b505a14159df87ac31bceb15aea66f17b93c59dd140fc6252988f05b9cef96a7.exe

    • Size

      1016KB

    • MD5

      ee47200f60aa0ffe7e554db291da8a8f

    • SHA1

      a2ab0c657b6045b98aca1befb1fe2ce02ca0ae9e

    • SHA256

      b505a14159df87ac31bceb15aea66f17b93c59dd140fc6252988f05b9cef96a7

    • SHA512

      02512eaff12cf835116833bead2006aa14e4f86e65f0225887e5d9e2b7a199849222bd15d50bf269e23646192f7cde45f9cb3746964bb6d3e6d325b4d250d478

    • SSDEEP

      6144:GIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUM:GIXsgtvm1De5YlOx6lzBH46UM

    • 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

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Hijack Execution Flow: Executable Installer File Permissions Weakness

      Possible Turn off User Account Control's privilege elevation for standard users.

    • 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