Overview

overview

10

Static

static

5

2026-08-07...op.exe

windows10-2004-x64

10

2026-08-07...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    26s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 03:54

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General

  • Target
    2026-08-07_52b03616d37e5ee34871add5483828f4_elex_stop.exe
  • Size 672KB
  • Sample260807-eghbpaxarf
  • SHA256 c1b3101264d4b3fccfaff3bc67a2c6d4334966cd557fa6ecb7a38179ad9aa7df
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaredefense_evasiondiscoveryexecutionpersistencespyware

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Disables RegEdit via registry modification 1 IoCs
    defense_evasion
  • Disables Task Manager via registry modification
    defense_evasion
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Modifies WinLogon 2 TTPs 1 IoCs
    persistence
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 2 IoCs
    adwarespyware
  • Modifies registry class 24 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-07_52b03616d37e5ee34871add5483828f4_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_52b03616d37e5ee34871add5483828f4_elex_stop.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:552
    • 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:1684
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5096
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\winhelp.exe
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:52
      • C:\Windows\SysWOW64\at.exe
        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\winhelp.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4964
  • C:\Windows\explorer.exe
    Explorer.exe rundll.exe
    1⤵
    • Modifies registry class
    PID:4936
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Drops desktop.ini file(s)
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4752
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2540

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads

          memory/552-0-0x0000000000400000-0x00000000004AF000-memory.dmp
          Download

          memory/552-1-0x0000000000467000-0x0000000000468000-memory.dmp
          Download

          memory/552-15-0x0000000000400000-0x00000000004AF000-memory.dmp
          Download