Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- 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
Malware Config
Signatures
- Family: Mofksys
Mofksys is a worm written in VisualBasic.
- Detects Mofksys worm 14 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 12 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
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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
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\??\c:\users\admin\appdata\local\temp\2026-07-06_2d4f8d2e9f92440464b94e627e1e525d_elex_glassworm_stealc_stop_tofsee.exec:\users\admin\appdata\local\temp\2026-07-06_2d4f8d2e9f92440464b94e627e1e525d_elex_glassworm_stealc_stop_tofsee.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS023B2A48\BlueStacksInstaller.exe"C:\Users\Admin\AppData\Local\Temp\7zS023B2A48\BlueStacksInstaller.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS023B2A48\HD-CheckCpu.exe"C:\Users\Admin\AppData\Local\Temp\7zS023B2A48\HD-CheckCpu.exe" --cmd checkHypervEnabled4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\7zS023B2A48\HD-CheckCpu.exe"C:\Users\Admin\AppData\Local\Temp\7zS023B2A48\HD-CheckCpu.exe" --cmd checkSSE44⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\icsys.icn.exeC:\Users\Admin\AppData\Local\icsys.icn.exe2⤵
- 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
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\??\c:\windows\system\explorer.exec:\windows\system\explorer.exe3⤵
- 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
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\??\c:\windows\system\spoolsv.exec:\windows\system\spoolsv.exe SE4⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\system\svchost.exec:\windows\system\svchost.exe5⤵
- 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
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\??\c:\windows\system\spoolsv.exec:\windows\system\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\at.exeat 05:41 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe6⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\at.exeat 05:42 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe6⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\at.exeat 05:43 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe6⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
2026-07-06_2d4f8d2e9f92440464b94e627e1e525d_elex_glassworm_stealc_stop_tofsee.exe
backicon.png
change_hover.png
close_red.png
custom.png
discord_icon.png
folder.png
help_icon.png
info_icon.png
installer_bg.jpg
installer_logo.png
installer_minimize.png
loader.png
logo_text.png
setpath.png
BlueStacksInstaller.exe
BlueStacksInstaller.exe.config
HD-CheckCpu.exe
JSON.dll
i18n.en-US.txt
ThemeFile
installer_bg_1.jpg
icsys.icn.exe
mrsys.exe
explorer.exe
spoolsv.exe
svchost.exe
memory/868-238-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2216-185-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2416-188-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3332-189-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3332-141-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4488-239-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4488-179-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4996-202-0x0000000020C60000-0x0000000020C98000-memory.dmp
memory/4996-203-0x000000001E6D0000-0x000000001E6DE000-memory.dmp
memory/4996-217-0x0000000022B70000-0x0000000022B78000-memory.dmp
memory/4996-199-0x000000001E6F0000-0x000000001EC18000-memory.dmp
memory/4996-192-0x000000001D340000-0x000000001D3A8000-memory.dmp
memory/4996-184-0x0000000000DA0000-0x0000000000E44000-memory.dmp
memory/5084-0-0x0000000000400000-0x0000000000440000-memory.dmp
memory/5084-190-0x0000000000400000-0x0000000000440000-memory.dmp