Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/10/2026, 16:04

General

  • Target
    2026-10-25_aec43c0621e6f1dde3f662fbe6dc8a1f_elex_glassworm_wannacry.exe
  • Size 86KB
  • Sample261026-thygmaez8x
  • SHA256 0248a4eec95e57180a51eb1958eb666243ca8bb41932e43ae582a2e8843e7aeb
  • 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
  • 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.

  • 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\2026-10-25_aec43c0621e6f1dde3f662fbe6dc8a1f_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-25_aec43c0621e6f1dde3f662fbe6dc8a1f_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:3620
    • 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:4732

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        notepad¢¬.exe

        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 91KB
        • SHA256 0fb7dbea88fb1ddd987071382d67a6358617b21f02068b2658ee56acf1f72aa4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundll32.exe

        • Path C:\Windows\system\rundll32.exe
        • Size 93KB
        • SHA256 159fa18b8d101086188266807d5ea613f7a866c52efb60ed015830534bc18cc6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3620-0-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/3620-17-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/3620-18-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4732-13-0x000000000040B000-0x000000000040C000-memory.dmp

        memory/4732-19-0x0000000000400000-0x0000000000415000-memory.dmp