Overview

overview

10

Static

static

5

2026-11-01...op.exe

windows10-2004-x64

10

2026-11-01...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 12:51

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General

  • Target
    2026-11-01_a47987ac64b7b781e7dd0f2e02cfc6bc_elex_stop.exe
  • Size 879KB
  • Sample261102-p3rscswt9q
  • SHA256 4b5d93f7e712ec668ed95356ca9be16182a9e976e996b2d1f70a7e26c07b45b2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoveryexecutionpersistencespywarestealer

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 8 IoCs

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

    execution
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 19 IoCs

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

    discovery
  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
    adwarespyware
  • Modifies Internet Explorer start page 1 TTPs 4 IoCs
    stealer
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-01_a47987ac64b7b781e7dd0f2e02cfc6bc_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_a47987ac64b7b781e7dd0f2e02cfc6bc_elex_stop.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5116
    • 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:4136
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4328
    • 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:4876
      • 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:3136
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Windows\SysWOW64\cacls.exe
        cacls "C:\system volume information" /e /g "Admin":f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2908
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5988
      • C:\Windows\SysWOW64\cacls.exe
        cacls "C:\system volume information" /e /g "Admin":f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2580
  • C:\Windows\explorer.exe
    Explorer.exe system3_.exe
    1⤵
      PID:2392
    • C:\Users\Admin\Desktop\system3_.exe
      C:\Users\Admin\Desktop\system3_.exe
      1⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops autorun.inf file
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2776
      • 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:4760
        • C:\Windows\SysWOW64\at.exe
          AT /delete /yes
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2780
      • 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:900
        • 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:3516
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
        2⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3400
        • C:\Windows\SysWOW64\cacls.exe
          cacls "C:\system volume information" /e /g "Admin":f
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2192
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
        2⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1896
        • C:\Windows\SysWOW64\cacls.exe
          cacls "C:\system volume information" /e /g "Admin":f
          3⤵
          • System Location Discovery: System Language Discovery
          PID:4608
    • 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:2568
      • 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:5628

    Network

          MITRE ATT&CK Enterprise v16

          Reconnaissance

          Resource Development

          Initial Access

          Replication Through Removable Media

          1
          T1091

          Execution

          Command and Scripting Interpreter

          1
          T1059

          Windows Command Shell

          1
          T1059.003

          Persistence

          Boot or Logon Autostart Execution

          2
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Winlogon Helper DLL

          1
          T1547.004

          Privilege Escalation

          Boot or Logon Autostart Execution

          2
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Winlogon Helper DLL

          1
          T1547.004

          Defense Evasion

          Modify Registry

          4
          T1112

          Credential Access

          Discovery

          Peripheral Device Discovery

          1
          T1120

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          System Location Discovery

          1
          T1614

          System Language Discovery

          1
          T1614.001

          System Network Configuration Discovery

          1
          T1016

          Lateral Movement

          Replication Through Removable Media

          1
          T1091

          Collection

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

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          Downloads

          8B2B9A00839EED1DFDCCC3BFC2F5DF12
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
          • Size 1KB
          • SHA256 791735e52af30a1c6a750df3837784a34cfe763332e5b45acfd731ddaa159b83
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          B46811C17859FFB409CF0E904A4AA8F8
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
          • Size 529B
          • SHA256 39c727d70b8bdf5fc324233d0823555eb66ce846119609a22d1cebedbc3cf80c
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          BF49497C7114044B075F9A147F1C63F3
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\BF49497C7114044B075F9A147F1C63F3
          • Size 308B
          • SHA256 5ac0b9d6e1f32d447a2408e66a85638f0a8a4f637b3a934725c0b7e40b0ec1b8
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          8B2B9A00839EED1DFDCCC3BFC2F5DF12
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
          • Size 174B
          • SHA256 2c5333c5e82cf1dd39108e8b556be6e52398b51696ed3094b70df7ff5021cd00
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          B46811C17859FFB409CF0E904A4AA8F8
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
          • Size 170B
          • SHA256 3388811d961f10d80ac6f895cdf9703a799cde15de3421d871e5d5668d180823
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          BF49497C7114044B075F9A147F1C63F3
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\BF49497C7114044B075F9A147F1C63F3
          • Size 192B
          • SHA256 72345db1df601694707a2d264c646456178dcff43bf05745ca336b7783b73a8f
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          setting[1].htm
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2T8DCGKW\setting[1].htm
          • Size 173B
          • SHA256 5bd1cb20b56bb3ea06d9c3f0abe9223a38e93f3d833df496524dcdebfeb3b4ca
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          setting[3].htm
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2T8DCGKW\setting[3].htm
          • Size 178B
          • SHA256 2215b6324712a5453264d05ba2a50d3475a3aca173dfe1bbc46d711722487089
          • MD5 SHA1 SHA512 TLSH
          Submit Download

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

          system3_.exe
          • Path C:\Users\Admin\Desktop\system3_.exe
          • Size 879KB
          • SHA256 4b5d93f7e712ec668ed95356ca9be16182a9e976e996b2d1f70a7e26c07b45b2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/2776-87-0x0000000000400000-0x00000000004F3000-memory.dmp
          Download

          memory/5116-0-0x0000000000400000-0x00000000004F3000-memory.dmp
          Download

          memory/5116-1-0x000000000047D000-0x000000000047E000-memory.dmp
          Download

          memory/5116-86-0x0000000000400000-0x00000000004F3000-memory.dmp
          Download

          memory/5628-10-0x0000000000400000-0x00000000004F3000-memory.dmp
          Download