Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/07/2026, 03:44

General

  • Target
    2026-07-06_55b050497653b3a016f00e738843a446_elex_glassworm_wannacry.exe
  • Size 87KB
  • Sample260707-earlsahs3w
  • SHA256 305b3610a90a437fa7e65470780e9d51343036fa4021751ee2242407b1e6918b
  • 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\2026-07-06_55b050497653b3a016f00e738843a446_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-06_55b050497653b3a016f00e738843a446_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:4828
    • 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:556

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        notepad¢¬.exe

        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 96KB
        • SHA256 ce23228e623d2b03b41e204fcb5d1082b453df7d0d43a985d55260872760f4f2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundll32.exe

        • Path C:\Windows\System\rundll32.exe
        • Size 88KB
        • SHA256 c3ab471bb1eda984eb60dac32d2e9c1606afaddbc56f197fd3467bb92b3490b4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/556-13-0x000000000040B000-0x000000000040C000-memory.dmp

        memory/556-16-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4828-0-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4828-14-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4828-15-0x0000000000400000-0x0000000000415000-memory.dmp