Overview

overview

7

Static

static

3

2026-08-21...ry.exe

windows10-2004-x64

7

2026-08-21...ry.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/08/2026, 01:42

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General

  • Target
    2026-08-21_839e6cb5957cd3440ffc2a445fb24473_elex_wannacry.exe
  • Size 33KB
  • Sample260821-b41vrsem7y
  • SHA256 835a71f664627a17f39f456d540ecdee5cebaeaefdf258ceb12eb1a95843f603
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryexecutionpersistence

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_839e6cb5957cd3440ffc2a445fb24473_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_839e6cb5957cd3440ffc2a445fb24473_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Users\Admin\Local Settings\2026-08-21_839e6cb5957cd3440ffc2a445fb24473_elex_wannacry.exe
      "C:\Users\Admin\Local Settings\2026-08-21_839e6cb5957cd3440ffc2a445fb24473_elex_wannacry.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:3136
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uninsep.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3108
  • C:\Users\Admin\Local Settings\2026-08-21_839e6cb5957cd3440ffc2a445fb24473_elex_wannacry.exe
    "C:\Users\Admin\Local Settings\2026-08-21_839e6cb5957cd3440ffc2a445fb24473_elex_wannacry.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uninsep.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:5272

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        2026-08-21_839e6cb5957cd3440ffc2a445fb24473_elex_wannacry.exe
        • Path C:\Users\Admin\AppData\Local\2026-08-21_839e6cb5957cd3440ffc2a445fb24473_elex_wannacry.exe
        • Size 33KB
        • SHA256 835a71f664627a17f39f456d540ecdee5cebaeaefdf258ceb12eb1a95843f603
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _uninsep.bat
        • Path C:\Users\Admin\AppData\Local\Temp\_uninsep.bat
        • Size 326B
        • SHA256 db47ae12fdc95599fa596718e3ed066311e54b9aa7d50550ed2254fcd3e95f4f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        _uninsep.bat
        • Path C:\Users\Admin\AppData\Local\Temp\_uninsep.bat
        • Size 314B
        • SHA256 a63a0a828047cf93ccd429dc87b026322c672a62627bd259e63520ba863ff129
        • MD5 SHA1 SHA512 TLSH
        Submit Download