Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 12:43

General

  • Target
    2026-06-26_bdc8c0bfe3e2c0ea61c3a3ee42668dc4_elex_glassworm_wannacry.exe
  • Size 94KB
  • Sample260629-pycsmsft5q
  • SHA256 688a08bff30665577801d33333398b14cc98993bd2d151d262626c023ca03f31
  • 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\2026-06-26_bdc8c0bfe3e2c0ea61c3a3ee42668dc4_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-26_bdc8c0bfe3e2c0ea61c3a3ee42668dc4_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:4132
    • 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:3388

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        notepad¢¬.exe

        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 86KB
        • SHA256 21a798a1d2fb3576ced4379b5054cdd026b92cc5aa315e92c868a74c31c0f23e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundll32.exe

        • Path C:\Windows\System\rundll32.exe
        • Size 84KB
        • SHA256 e06c37abcf3566bfea9e29d0ac1c4b738444029c42176108bdff2feb52bbef53
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3388-14-0x000000000040B000-0x000000000040C000-memory.dmp

        memory/3388-17-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4132-0-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4132-15-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4132-16-0x0000000000400000-0x0000000000415000-memory.dmp