General

  • Target

    4f2443067a87375d40308ce0f7adbbb64f514bdda08b4026e52e5cd9ce982a79

  • Size

    680KB

  • Sample

    240918-1ercgavbrq

  • MD5

    574ff961ef4dcc69f225be2202394e67

  • SHA1

    85c846a3d30ef86a08eadd8fbab78383025f04f4

  • SHA256

    4f2443067a87375d40308ce0f7adbbb64f514bdda08b4026e52e5cd9ce982a79

  • SHA512

    c079f002f7c4ee86f64c49b23a5b808563b12e28094efd9f0c66c614f841d88587048bd56f27134b4e2c88dc011c0b15e1ea1ded5329355de91be2174547fe1b

  • SSDEEP

    12288:PYBX/tQDwmHtOwu/ctCKaCDnEQvPg5I2R365OLpdNrrd4DQ:PY2w+tOwuMCeEOPp83OmXrrdd

Malware Config

Targets

    • Target

      4f2443067a87375d40308ce0f7adbbb64f514bdda08b4026e52e5cd9ce982a79

    • Size

      680KB

    • MD5

      574ff961ef4dcc69f225be2202394e67

    • SHA1

      85c846a3d30ef86a08eadd8fbab78383025f04f4

    • SHA256

      4f2443067a87375d40308ce0f7adbbb64f514bdda08b4026e52e5cd9ce982a79

    • SHA512

      c079f002f7c4ee86f64c49b23a5b808563b12e28094efd9f0c66c614f841d88587048bd56f27134b4e2c88dc011c0b15e1ea1ded5329355de91be2174547fe1b

    • SSDEEP

      12288:PYBX/tQDwmHtOwu/ctCKaCDnEQvPg5I2R365OLpdNrrd4DQ:PY2w+tOwuMCeEOPp83OmXrrdd

    • 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