Overview

overview

7

Static

static

3

2026-07-31...ry.exe

windows10-2004-x64

7

2026-07-31...ry.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 03:05

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General

  • Target
    2026-07-31_59c5a4b9260f6977c876bdb90ca69411_elex_strictor_wannacry.exe
  • Size 284KB
  • Sample260731-dlf4raak2v
  • SHA256 cf4b323af039caf624307ab3fa0c605ffb32a667759169664365ab8f93819ff8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoveryexecutionpersistencetrojan

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 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
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-31_59c5a4b9260f6977c876bdb90ca69411_elex_strictor_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_59c5a4b9260f6977c876bdb90ca69411_elex_strictor_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5552
    • C:\Windows\SysWOW64\cacls.exe
      "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Admin:F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2376
    • C:\Windows\SysWOW64\cacls.exe
      "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\LSASS.EXE /e /t /g Admin:F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2736
    • C:\Windows\SysWOW64\cacls.exe
      "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\SMSS.EXE /e /t /g Admin:F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1252
    • C:\ntfsus.exe
      C:\ntfsus.exe
      2⤵
      • Executes dropped EXE
      PID:3364
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Windows\system32\com\SMSS.EXE c:\users\admin\appdata\local\temp\2026-07-31_59c5a4b9260f6977c876bdb90ca69411_elex_strictor_wannacry.exe^|c:\users\admin\appdata\local\temp\2026-07-31_59c5a4b9260f6977c876bdb90ca69411_elex_strictor_wannacry.exe.log"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Windows\SysWOW64\com\SMSS.EXE
        C:\Windows\system32\com\SMSS.EXE c:\users\admin\appdata\local\temp\2026-07-31_59c5a4b9260f6977c876bdb90ca69411_elex_strictor_wannacry.exe|c:\users\admin\appdata\local\temp\2026-07-31_59c5a4b9260f6977c876bdb90ca69411_elex_strictor_wannacry.exe.log
        3⤵
        • Executes dropped EXE
        PID:3272

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        SMSS.EXE
        • Path C:\Windows\SysWOW64\com\SMSS.EXE
        • Size 9KB
        • SHA256 d684183769ac6939f8bd02d633f6a10d6c68130f52814196afe3ce8519cdfd7a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ntfsus.exe
        • Path C:\ntfsus.exe
        • Size 46KB
        • SHA256 b1d177fbbc1fc7fc19138d7c1216cc1071809ec0f60ef550dc7f200710e46050
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download