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
    95s
  • 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, 03:36

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General

  • Target
    2026-04-21_4dca37de2be36a5409344b1d98327ec9_elex_glassworm_wannacry.exe
  • Size 86KB
  • Sample260421-d6efnahs5p
  • SHA256 0d8f998f0fb43f322a4b24884b1cca748cfc24eda8517211e5555f14741a552e
  • 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_4dca37de2be36a5409344b1d98327ec9_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-21_4dca37de2be36a5409344b1d98327ec9_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:2700
    • 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:2492

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        notepad¢¬.exe
        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 96KB
        • SHA256 74618736411548241310f787270a1f8c596424650d1dbff05f9baeb975c7482b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        rundll32.exe
        • Path C:\Windows\System\rundll32.exe
        • Size 89KB
        • SHA256 aaf1b5a341b25f8bfd9de8db1927b8dde26c2305ecb58d3c322fbcec84da279a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2492-13-0x000000000040B000-0x000000000040C000-memory.dmp
        Download

        memory/2492-17-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/2492-18-0x0000000002170000-0x00000000021EA000-memory.dmp
        Download

        memory/2700-0-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/2700-14-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/2700-16-0x0000000000400000-0x0000000000415000-memory.dmp
        Download

        memory/2700-15-0x0000000000AB0000-0x0000000000B2A000-memory.dmp
        Download