Overview

overview

7

Static

static

3

2026-08-04...ry.exe

windows10-2004-x64

7

2026-08-04...ry.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 06:30

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General

  • Target
    2026-08-04_8560448bd4284070bbbe48236d9bb951_elex_wannacry.exe
  • Size 505KB
  • Sample260804-g9tarshl8t
  • SHA256 40f2285fe5e580215c90eed2073d475961537bec1dc680669641fa82a60f8647
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoverypersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_8560448bd4284070bbbe48236d9bb951_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_8560448bd4284070bbbe48236d9bb951_elex_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Windows\SysWOW64\wnstssv.exe
      "C:\Windows\system32\wnstssv.exe" /no_ads
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:700

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        wnstssv.exe
        • Path C:\Windows\SysWOW64\wnstssv.exe
        • Size 508KB
        • SHA256 b7187eeb4153fbe491778c42a97e56357ae19b981a06c7b3ab685e1971baef44
        • MD5 SHA1 SHA512 SSDEEP TLSH
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