Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 04:39

General

  • Target
    2026-07-06_2d4f8d2e9f92440464b94e627e1e525d_elex_glassworm_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260707-e99awaez9l
  • SHA256 100257cd11d34b6c178f3263322cfe7d248611f05b4fa7746e8dde3e6e8fd645
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Mofksys

    Mofksys is a worm written in VisualBasic.

  • Detects Mofksys worm 12 IoCs
  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 9 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 11 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-06_2d4f8d2e9f92440464b94e627e1e525d_elex_glassworm_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-06_2d4f8d2e9f92440464b94e627e1e525d_elex_glassworm_stealc_stop_tofsee.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • \??\c:\users\admin\appdata\local\temp\2026-07-06_2d4f8d2e9f92440464b94e627e1e525d_elex_glassworm_stealc_stop_tofsee.exe 
      c:\users\admin\appdata\local\temp\2026-07-06_2d4f8d2e9f92440464b94e627e1e525d_elex_glassworm_stealc_stop_tofsee.exe 
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5684
      • C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\BlueStacksInstaller.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\BlueStacksInstaller.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3048
        • C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\HD-CheckCpu.exe
          "C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\HD-CheckCpu.exe" --cmd checkHypervEnabled
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:5064
        • C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\HD-CheckCpu.exe
          "C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\HD-CheckCpu.exe" --cmd checkSSE4
          4⤵
          • Executes dropped EXE
          PID:2084
    • C:\Users\Admin\AppData\Local\icsys.icn.exe
      C:\Users\Admin\AppData\Local\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:5244
      • \??\c:\windows\system\explorer.exe
        c:\windows\system\explorer.exe
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of hidden/system files in Explorer
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2912
        • \??\c:\windows\system\spoolsv.exe
          c:\windows\system\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:1188
          • \??\c:\windows\system\svchost.exe
            c:\windows\system\svchost.exe
            5⤵
            • Modifies WinLogon for persistence
            • Modifies visibility of hidden/system files in Explorer
            • Boot or Logon Autostart Execution: Active Setup
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:748
            • \??\c:\windows\system\spoolsv.exe
              c:\windows\system\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:2776
            • C:\Windows\SysWOW64\at.exe
              at 05:41 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              6⤵
              • System Location Discovery: System Language Discovery
              PID:3040
            • C:\Windows\SysWOW64\at.exe
              at 05:42 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              6⤵
              • System Location Discovery: System Language Discovery
              PID:5704
            • C:\Windows\SysWOW64\at.exe
              at 05:43 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              6⤵
              • System Location Discovery: System Language Discovery
              PID:5760

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        2026-07-06_2d4f8d2e9f92440464b94e627e1e525d_elex_glassworm_stealc_stop_tofsee.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-07-06_2d4f8d2e9f92440464b94e627e1e525d_elex_glassworm_stealc_stop_tofsee.exe 
        • Size 927KB
        • SHA256 a52babce6f6eabf4f968a7adaa0796ccbe076dcf20645575eafb0265f7f3ca19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        backicon.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\backicon.png
        • Size 15KB
        • SHA256 fa64884054171515e97b78aaa1aad1ec5baa9d1daf9c682e0b3fb4a41a9cb1c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        change_hover.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\change_hover.png
        • Size 310B
        • SHA256 8e5847487da148ebb3ea029cc92165afd215cdc08f7122271e13eb37f94e6dc1
        • MD5 SHA1 SHA512 TLSH

        close_red.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\close_red.png
        • Size 15KB
        • SHA256 d0b6d143642d356b40c47459a996131a344cade6bb86158f1b74693426b09bfb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        custom.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\custom.png
        • Size 17KB
        • SHA256 fbece8bb5f4dfa55dcfbf41151b10608af807b9477e99acf0940954a11e68f7b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        discord_icon.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\discord_icon.png
        • Size 564B
        • SHA256 c29b35c6be50f9e34f1120bd346ce01884f0c7ba1121c866d95b24e46e420b0c
        • MD5 SHA1 SHA512 TLSH

        folder.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\folder.png
        • Size 298B
        • SHA256 7ffa875fab1be82e384022a27f3e627ab75131eb168be949cc83c03b6e291bbf
        • MD5 SHA1 SHA512 TLSH

        help_icon.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\help_icon.png
        • Size 1KB
        • SHA256 97c7450d55ecda9017d0a9eed0049b8176e1828f3525aaf5660985ba214010cc
        • MD5 SHA1 SHA512 TLSH

        info_icon.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\info_icon.png
        • Size 929B
        • SHA256 ee91e51aaa8356318cc75d60476d9422bf84be7d8a25e1b884aa16c3198dc764
        • MD5 SHA1 SHA512 TLSH

        installer_bg.jpg

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\installer_bg.jpg
        • Size 78KB
        • SHA256 4c7471c986e16de0cd451be27d4b3171e595fe2916b4b3bf7ca52df6ec368904
        • MD5 SHA1 SHA512 SSDEEP TLSH

        installer_logo.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\installer_logo.png
        • Size 9KB
        • SHA256 462b64f2e016d25a2a6a653ba896206129c4ac841d61a6c2fd116009606f7e1c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        installer_minimize.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\installer_minimize.png
        • Size 113B
        • SHA256 a064f417e3c2b8f3121a14bbded268b2cdf635706880b7006f931de31476bbc2
        • MD5 SHA1 SHA512 TLSH

        loader.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\loader.png
        • Size 279B
        • SHA256 076263cc65f9824f4f82eb6beaa594d1df90218a2ee21664cf209181557e04b1
        • MD5 SHA1 SHA512 TLSH

        logo_text.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\logo_text.png
        • Size 4KB
        • SHA256 66df86129129d8aa8dd3ba014eb3b3c27a36c22e4782f3dbd6a9a4bc1f4a87bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setpath.png

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Assets\setpath.png
        • Size 15KB
        • SHA256 5bbb2f41f9f3a805986c3c88a639bcc22d90067d4b8de9f1e21e3cf9e5c1766b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BlueStacksInstaller.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\BlueStacksInstaller.exe
        • Size 642KB
        • SHA256 f09e1926eaef0a41d66cd1e4695880224c65ff7688b11709fef4fe06c0f575e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BlueStacksInstaller.exe.config

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\BlueStacksInstaller.exe.config
        • Size 324B
        • SHA256 d6d316584b63bb0d670a42f88b8f84e0de0db4275f1a342084dc383ebeb278eb
        • MD5 SHA1 SHA512 TLSH

        HD-CheckCpu.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\HD-CheckCpu.exe
        • Size 200KB
        • SHA256 2e14887f3432b4a313442247fc669f891dbdad7ef1a2d371466a2afa88074a4c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        JSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\JSON.dll
        • Size 411KB
        • SHA256 d2c8d26f95f55431e632c8581154db7c19547b656380e051194a9d2583dd2156
        • MD5 SHA1 SHA512 SSDEEP TLSH

        i18n.en-US.txt

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\Locales\i18n.en-US.txt
        • Size 21KB
        • SHA256 945cbd36495c301dcf1cad837a4147479077974bce2790a3cb3961c9c71f22e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ThemeFile

        • Path C:\Users\Admin\AppData\Local\Temp\7zS436B7D88\ThemeFile
        • Size 80KB
        • SHA256 de1a2e6b560e036da5ea6b042e29e81a5bfcf67dde89670c332fc5199e811ba6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        installer_bg_1.jpg

        • Path C:\Users\Admin\AppData\Local\Temp\Assets\installer_bg_1.jpg
        • Size 30KB
        • SHA256 873030e34515538dac3efb98edec519596439fa05b7aad37f6137ca954ba41a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Users\Admin\AppData\Local\icsys.icn.exe
        • Size 206KB
        • SHA256 5ddd291b7e02dd402f6080be14a52a40e784ebb33c0f3a923821bfcc1ec273d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mrsys.exe

        • Path C:\Users\Admin\AppData\Roaming\mrsys.exe
        • Size 207KB
        • SHA256 e62c14b8c64e7d2865ab392de1428f2d15cf7e16db448dc356e59d58274b3471
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\System\explorer.exe
        • Size 206KB
        • SHA256 a47b6fb10ef8c2ecfbbe4f7fad992fbfd76e50f4e10a2b8c0cc5bc73b5f23723
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\System\spoolsv.exe
        • Size 207KB
        • SHA256 251e7a028e35303f59f453c5aee5e6e0b8f95605913d773fcbb9d87b6f59ed05
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\System\svchost.exe
        • Size 206KB
        • SHA256 2d82da65616a6b00f3b1eb445611dcc8585c6b32c74371e4a923c94a04dfa450
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/748-242-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/1188-193-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2324-0-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2324-195-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2776-190-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2912-241-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/3048-181-0x000000001B320000-0x000000001B388000-memory.dmp

        memory/3048-156-0x0000000000640000-0x00000000006E4000-memory.dmp

        memory/3048-220-0x0000000020C30000-0x0000000020C38000-memory.dmp

        memory/3048-206-0x0000000020770000-0x000000002077E000-memory.dmp

        memory/3048-205-0x00000000207B0000-0x00000000207EE000-memory.dmp

        memory/3048-201-0x000000001D210000-0x000000001D738000-memory.dmp

        memory/5244-194-0x0000000000400000-0x0000000000440000-memory.dmp