Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/07/2026, 14:19

General

  • Target
    2026-07-31_6f5bf11214d1e53ba3523ef585ae7ff8_elex_glassworm_wannacry.exe
  • Size 93KB
  • Sample260731-rnaxeavbmf
  • SHA256 1bcd859e6f2cee7ad60572befcc4c6c573199cbf292e07ab6cd251f18ae73616
  • 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\2026-07-31_6f5bf11214d1e53ba3523ef585ae7ff8_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_6f5bf11214d1e53ba3523ef585ae7ff8_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:3400
    • 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:2644

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        notepad¢¬.exe

        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 87KB
        • SHA256 6543dd619bfa4d536a7327ad6fa4cb93222f234510f36e61c394eef99cac9a62
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundll32.exe

        • Path C:\Windows\System\rundll32.exe
        • Size 98KB
        • SHA256 b6227f76eefb0efb0a85edbc3781c7063926199d25ee9ddf8c15a55533b234f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2644-13-0x000000000040B000-0x000000000040C000-memory.dmp

        memory/2644-16-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/3400-0-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/3400-14-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/3400-15-0x0000000000400000-0x0000000000415000-memory.dmp