Overview

overview

7

Static

static

3

2026-10-28...ry.exe

windows10-2004-x64

7

2026-10-28...ry.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/10/2026, 20:18

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General

  • Target
    2026-10-28_b78c2895a140494dbcfb047441b05fd5_elex_glassworm_wannacry.exe
  • Size 88KB
  • Sample261029-y3c4mscd28
  • SHA256 4c92b7c828199e0f07dcba74545313ede3fdbb9951076848a5340c8eb319fba0
  • 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
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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 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\2026-10-28_b78c2895a140494dbcfb047441b05fd5_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_b78c2895a140494dbcfb047441b05fd5_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:4312
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:3728

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        notepad¢¬.exe
        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 91KB
        • SHA256 64b71b1f6c51a73841c6e40b944cb2bb724e40c743de0e0f512f231aa73a66ca
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        rundll32.exe
        • Path C:\Windows\System\rundll32.exe
        • Size 84KB
        • SHA256 42801f8503c82352cbd55bea9882b013a96b4e04c7d7c55d091e088af912bc4b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3728-14-0x000000000040B000-0x000000000040C000-memory.dmp
        Download

        memory/3728-20-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/4312-0-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/4312-18-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/4312-19-0x0000000000400000-0x0000000000415000-memory.dmp
        Download