Analysis

  • max time kernel
    150s
  • max time network
    112s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 07:23

General

  • Target
    2026-07-15_f2bf1222f3579b02dbbed9c1ddac5467_elex_glassworm_stop_swisyn.exe
  • Size 6.7MB
  • Sample260715-h77aaaet2n
  • SHA256 f8f088c48971b70e5b9220c01a794cf3270a83b7c6de6c484c3dfe559dd3f41a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-15_f2bf1222f3579b02dbbed9c1ddac5467_elex_glassworm_stop_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-15_f2bf1222f3579b02dbbed9c1ddac5467_elex_glassworm_stop_swisyn.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4204
    • \??\c:\users\admin\appdata\local\temp\2026-07-15_f2bf1222f3579b02dbbed9c1ddac5467_elex_glassworm_stop_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-07-15_f2bf1222f3579b02dbbed9c1ddac5467_elex_glassworm_stop_swisyn.exe 
      2⤵
      • Executes dropped EXE
      PID:4356
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4956
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visibility of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1120
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:6052
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visibility of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3344
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:4644

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        2026-07-15_f2bf1222f3579b02dbbed9c1ddac5467_elex_glassworm_stop_swisyn.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-07-15_f2bf1222f3579b02dbbed9c1ddac5467_elex_glassworm_stop_swisyn.exe 
        • Size 6.6MB
        • SHA256 c871c75e40d8edaf75fef684034e71cb620e03adf6aef5df747b35e432c766c7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 4c268bfe40a591fa282624f9382defd90717bf4c100a95d60b11fbd75f3567dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 2931b4cbd544f953ae394005db9247e405b092d729094a2dc67a6b7ba75f1a7b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 ad5c67491e4bba15fe93d057d319e9b7f9662cf30a4e20a456d37c124940b753
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 fa405a9d819a07b232cbeec370b5923fdedd84457b26a336a454799307bd539f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1120-51-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3344-52-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4204-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4204-50-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4644-47-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4956-49-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/6052-48-0x0000000000400000-0x000000000041F000-memory.dmp