Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/06/2026, 12:43

General

  • Target
    2026-06-26_bdc8c0bfe3e2c0ea61c3a3ee42668dc4_elex_glassworm_wannacry.exe
  • Size 94KB
  • Sample260629-pycsmsft5q
  • SHA256 688a08bff30665577801d33333398b14cc98993bd2d151d262626c023ca03f31
  • 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\2026-06-26_bdc8c0bfe3e2c0ea61c3a3ee42668dc4_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-26_bdc8c0bfe3e2c0ea61c3a3ee42668dc4_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:1660
    • 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:4404

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        notepad¢¬.exe

        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 84KB
        • SHA256 fe787ccb0d90375b458076061e997838247280354c491f5c7a56f1d856dc1737
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundll32.exe

        • Path C:\Windows\system\rundll32.exe
        • Size 91KB
        • SHA256 86fb8a394d2052f078d7c0d60e255954ab20d72897c7d33a0e7ab6ca613aef43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1660-0-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/1660-14-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/1660-15-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4404-13-0x000000000040B000-0x000000000040C000-memory.dmp

        memory/4404-16-0x0000000000400000-0x0000000000415000-memory.dmp