Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 13:22

General

  • Target
    2026-08-04_fce6aabfacc941b08bb1dfdac2261be2_elex_wannacry.exe
  • Size 76KB
  • Sample260804-qmmzxabe52
  • SHA256 9f70eaa6a12d0576e774f610bf55d42b004f2874648b2b092c938d162150d7ff
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_fce6aabfacc941b08bb1dfdac2261be2_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_fce6aabfacc941b08bb1dfdac2261be2_elex_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4756
    • \??\c:\users\admin\appdata\local\temp\winlgon.exe
      c:\users\admin\appdata\local\temp\winlgon.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 736
        3⤵
        • Program crash
        PID:5432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 620
      2⤵
      • Program crash
      PID:3356
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4340 -ip 4340
    1⤵
      PID:4384
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 4756 -ip 4756
      1⤵
        PID:1352

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            winlgon.exe

            • Path C:\Users\Admin\AppData\Local\Temp\winlgon.exe
            • Size 76KB
            • SHA256 ed714aba7106799ab3ae08db881772097e50cd191804847257c52f733a7ad6b5
            • MD5 SHA1 SHA512 SSDEEP TLSH