Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 16:50

General

  • Target
    2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe
  • Size 93KB
  • Sample260925-vcp4qs1epd
  • SHA256 d6ea0e8057d0fd1fc709f3d289c9b38947fd91de0569306c461492021a196da8
  • 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\2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_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:1888
    • 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:4004

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        notepad¢¬.exe

        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 93KB
        • SHA256 260fcf9eb4e608cc28d5d032e76c941c107510c77041eae9f08ce458912660c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundll32.exe

        • Path C:\Windows\System\rundll32.exe
        • Size 99KB
        • SHA256 75b2eca05603540cc346d3499ecc953d264594f0e5800693dcfbb871545801c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1888-0-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/1888-18-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/1888-19-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4004-14-0x000000000040B000-0x000000000040C000-memory.dmp

        memory/4004-20-0x0000000000400000-0x0000000000415000-memory.dmp