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
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 05:46

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General

  • Target
    2026-07-31_684b901fb4c9e458268415cbe7127cc7_elex_strictor_wannacry.exe
  • Size 729KB
  • Sample260731-ggte3avfla
  • SHA256 bfddd94488ebf13dc06db04d0f0058a48fc99d4568b0bdd568a41a1ab940e92f
  • 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_684b901fb4c9e458268415cbe7127cc7_elex_strictor_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_684b901fb4c9e458268415cbe7127cc7_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:4752
    • 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:1320
    • 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:6048
    • 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:4260
    • C:\ntfsus.exe
      C:\ntfsus.exe
      2⤵
      • Executes dropped EXE
      PID:2724
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Windows\system32\com\SMSS.EXE c:\users\admin\appdata\local\temp\2026-07-31_684b901fb4c9e458268415cbe7127cc7_elex_strictor_wannacry.exe^|c:\users\admin\appdata\local\temp\2026-07-31_684b901fb4c9e458268415cbe7127cc7_elex_strictor_wannacry.exe.log"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3572
      • C:\Windows\SysWOW64\com\SMSS.EXE
        C:\Windows\system32\com\SMSS.EXE c:\users\admin\appdata\local\temp\2026-07-31_684b901fb4c9e458268415cbe7127cc7_elex_strictor_wannacry.exe|c:\users\admin\appdata\local\temp\2026-07-31_684b901fb4c9e458268415cbe7127cc7_elex_strictor_wannacry.exe.log
        3⤵
        • Executes dropped EXE
        PID:4344

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