Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/09/2026, 17:51

General

  • Target
    2026-09-13_0fb283350670cf6bd40b82ee3485f681_elex_wannacry.exe
  • Size 75KB
  • Sample260913-wfgr7sbm2s
  • SHA256 5c5cdfdd9b0bceaf087a5a47934fe9c2714b0de324711039099b3bfd01fa839c
  • 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\2026-09-13_0fb283350670cf6bd40b82ee3485f681_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-13_0fb283350670cf6bd40b82ee3485f681_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:4472
    • \??\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:3344
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 728
        3⤵
        • Program crash
        PID:5216
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4472 -s 620
      2⤵
      • Program crash
      PID:4696
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3344 -ip 3344
    1⤵
      PID:5556
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4472 -ip 4472
      1⤵
        PID:4904

      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 75KB
            • SHA256 b83879aba9eccb48eeda7702d074b00f6b40e1444125dbb921fa595fbdc421a8
            • MD5 SHA1 SHA512 SSDEEP TLSH