Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/07/2026, 00:07

General

  • Target
    2026-07-22_3b8e85b487bc885202ac1cce4ed0a7ad_elex_glassworm_wannacry.exe
  • Size 97KB
  • Sample260723-aeeessxdqa
  • SHA256 5307ab7b98dcd1ddf34f3eac052e3a221458d41f844a29086d45b13a6497cdce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • 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.

  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-22_3b8e85b487bc885202ac1cce4ed0a7ad_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-22_3b8e85b487bc885202ac1cce4ed0a7ad_elex_glassworm_wannacry.exe"
    1⤵
    • Modifies system executable filetype association
    • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1896

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        notepad¢¬.exe

        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 86KB
        • SHA256 3ea8c2c83276cf7a7fccdaf901e55a613ed2d3ee3193ed30c700b6c256789cbf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundll32.exe

        • Path C:\Windows\system\rundll32.exe
        • Size 85KB
        • SHA256 28d663ecba5c434ab4031164f4e2224f0cf50dbebb9ac119d264e2ab4ff27132
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1896-13-0x000000000040B000-0x000000000040C000-memory.dmp

        memory/1896-19-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4228-0-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4228-17-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4228-18-0x0000000000400000-0x0000000000415000-memory.dmp