Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/08/2026, 00:07

General

  • Target
    2026-08-11_2e28eed407d17a8d3bce35dc56edfcb8_elex_stop.exe
  • Size 1.2MB
  • Sample260812-aee2bshd79
  • SHA256 d3938d38fb04a943220a791ea7e95e47cf1bec7add2ab74c083c67741a79d8c6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Modifies Internet Explorer start page 1 TTPs 4 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-11_2e28eed407d17a8d3bce35dc56edfcb8_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-11_2e28eed407d17a8d3bce35dc56edfcb8_elex_stop.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2088
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\SysWOW64\at.exe
        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5124
  • C:\Windows\explorer.exe
    Explorer.exe system3_.exe
    1⤵
      PID:2612
    • C:\Users\Admin\Desktop\system3_.exe
      C:\Users\Admin\Desktop\system3_.exe
      1⤵
      • Modifies WinLogon for persistence
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT /delete /yes
        2⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2428
        • C:\Windows\SysWOW64\at.exe
          AT /delete /yes
          3⤵
          • System Location Discovery: System Language Discovery
          PID:4428
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe
        2⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2184
        • C:\Windows\SysWOW64\at.exe
          AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe
          3⤵
          • System Location Discovery: System Language Discovery
          PID:4296
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1432
      • C:\Users\Admin\Desktop\system3_.exe
        "C:\Users\Admin\Desktop\system3_.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:5724

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          37996DB9BB614EAA7D6117AAB3E0F7C9

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37996DB9BB614EAA7D6117AAB3E0F7C9
          • Size 420B
          • SHA256 18f808038293a4cc4ebefd914a3f5ca422ff8fd2d99032a90db07ace8a2e3b3b
          • MD5 SHA1 SHA512 TLSH

          8B2B9A00839EED1DFDCCC3BFC2F5DF12

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
          • Size 1KB
          • SHA256 63b14543360f5e89942ea8d5113526e64fbc71c1207328f0136b3a495d921dd0
          • MD5 SHA1 SHA512 TLSH

          B46811C17859FFB409CF0E904A4AA8F8

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
          • Size 528B
          • SHA256 d2bb091268ade68ad8121d2184d0fbce128070156304bd4de312e6fbd267409c
          • MD5 SHA1 SHA512 TLSH

          37996DB9BB614EAA7D6117AAB3E0F7C9

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37996DB9BB614EAA7D6117AAB3E0F7C9
          • Size 192B
          • SHA256 3f5efd7c2f5928ddf5293a53ca0f435e83f3d5dd8c68f9779355c9fbc9dd9a8a
          • MD5 SHA1 SHA512 TLSH

          8B2B9A00839EED1DFDCCC3BFC2F5DF12

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
          • Size 174B
          • SHA256 4b6569972e0268a53e8e578301b393e38e0142ac6bff2d6f96e074899f7b8e3e
          • MD5 SHA1 SHA512 TLSH

          B46811C17859FFB409CF0E904A4AA8F8

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
          • Size 170B
          • SHA256 437cfd376e2cd806b3a38717f93a17c6ca2bb52be7cfcf3923264196b228fd45
          • MD5 SHA1 SHA512 TLSH

          setting[1].htm

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Y3NYWQ12\setting[1].htm
          • Size 173B
          • SHA256 5bd1cb20b56bb3ea06d9c3f0abe9223a38e93f3d833df496524dcdebfeb3b4ca
          • MD5 SHA1 SHA512 TLSH

          autorun.ini

          • Path C:\Users\Admin\Desktop\autorun.ini
          • Size 102B
          • SHA256 94a1ac3d574425ec8a3cc01675e4d787373d2a190dddd4f8ba507c49ca3fd42a
          • MD5 SHA1 SHA512 TLSH

          system3_.exe

          • Path C:\Users\Admin\Desktop\system3_.exe
          • Size 1.2MB
          • SHA256 d3938d38fb04a943220a791ea7e95e47cf1bec7add2ab74c083c67741a79d8c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2728-37-0x0000000000400000-0x0000000000514000-memory.dmp

          memory/4512-0-0x0000000000400000-0x0000000000514000-memory.dmp

          memory/4512-1-0x000000000047D000-0x000000000047E000-memory.dmp

          memory/4512-35-0x0000000000400000-0x0000000000514000-memory.dmp

          memory/5724-10-0x0000000000400000-0x0000000000514000-memory.dmp