Overview

overview

7

Static

static

3

2026-04-21...ry.exe

windows10-2004-x64

7

2026-04-21...ry.exe

windows11-21h2-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/04/2026, 11:43

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General

  • Target
    2026-04-21_fab044481e75695a3703ae1a734cd9d4_elex_glassworm_wannacry.exe
  • Size 93KB
  • Sample260421-nv1vmady4k
  • SHA256 f54038d99cae25c41cbdf23e6f2a47bc9b37582ad06de752ec41f3cff3397794
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoverypersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
    persistence
  • 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.

    discovery
  • Modifies registry class 19 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\2026-04-21_fab044481e75695a3703ae1a734cd9d4_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-21_fab044481e75695a3703ae1a734cd9d4_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:4968
    • 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:3336

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        notepad¢¬.exe
        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 90KB
        • SHA256 3428bc539bdc8d912c528350995307e3da7da90eef155784c18954e6ddd152d8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        rundll32.exe
        • Path C:\Windows\System\rundll32.exe
        • Size 94KB
        • SHA256 258bc23dd5eb5d7e5abb4097bb9a0ab577cb08d3b015231524df590148953736
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3336-13-0x000000000040B000-0x000000000040C000-memory.dmp
        Download

        memory/3336-17-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/3336-18-0x00000000030F0000-0x00000000031CA000-memory.dmp
        Download

        memory/4968-0-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/4968-14-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/4968-16-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/4968-15-0x0000000003E70000-0x0000000003F4A000-memory.dmp
        Download