Overview

overview

8

Static

static

3

2026-09-04...ry.exe

windows10-2004-x64

8

2026-09-04...ry.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 14:34

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General

  • Target
    2026-09-04_348ded0ca7f1ed934889150d490aa6fa_elex_wannacry.exe
  • Size 109KB
  • Sample260905-rxm84aed73
  • SHA256 584cb29057de8da8ec3595ff9cc9b77ccb63b76abd0dec0327a39238dddcc09d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoveryexecutionpersistence

Malware Config

Signatures

  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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 4 IoCs

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

    discovery
  • Modifies registry class 5 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-04_348ded0ca7f1ed934889150d490aa6fa_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-04_348ded0ca7f1ed934889150d490aa6fa_elex_wannacry.exe"
    1⤵
    • Server Software Component: Terminal Services DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWOW64\net.exe
      net start NtmsSvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 start NtmsSvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2504
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\system32\microtm.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4844

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        microtm.bat
        • Path C:\Windows\SysWOW64\microtm.bat
        • Size 116B
        • SHA256 cbd61b4d0442c2534de8a9f681a76e07cba7239790195881049ad4d974a2a4fd
        • MD5 SHA1 SHA512 TLSH
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