Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/07/2026, 14:37
General
- Target 2026-07-20_492d1880b349585a21e68d4e0db1f37c_elex_stealc_stop_swisyn_tofsee.exe
- Size 1.0MB
- Sample260720-ry8lesdt6j
- SHA256 c7dffc197daee4e7fffad1063e04afccf23afb271dd9525626f46747d700b493
Malware Config
Signatures
- Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
- Executes dropped EXE 9 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 8 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 12 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-07-20_492d1880b349585a21e68d4e0db1f37c_elex_stealc_stop_swisyn_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_492d1880b349585a21e68d4e0db1f37c_elex_stealc_stop_swisyn_tofsee.exe"1⤵
- 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:\users\admin\appdata\local\temp\2026-07-20_492d1880b349585a21e68d4e0db1f37c_elex_stealc_stop_swisyn_tofsee.exec:\users\admin\appdata\local\temp\2026-07-20_492d1880b349585a21e68d4e0db1f37c_elex_stealc_stop_swisyn_tofsee.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS84CCD709\BlueStacksInstaller.exe"C:\Users\Admin\AppData\Local\Temp\7zS84CCD709\BlueStacksInstaller.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS84CCD709\HD-CheckCpu.exe"C:\Users\Admin\AppData\Local\Temp\7zS84CCD709\HD-CheckCpu.exe" --cmd checkHypervEnabled4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\7zS84CCD709\HD-CheckCpu.exe"C:\Users\Admin\AppData\Local\Temp\7zS84CCD709\HD-CheckCpu.exe" --cmd checkSSE44⤵
- Executes dropped EXE
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\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\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- 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
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\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\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- 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
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
2026-07-20_492d1880b349585a21e68d4e0db1f37c_elex_stealc_stop_swisyn_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
explorer.exe
icsys.icn.exe
svchost.exe
spoolsv.exe
memory/1000-254-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1000-206-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1620-197-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3056-207-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3836-200-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4444-194-0x00007FFF278B0000-0x00007FFF28254000-memory.dmp
memory/4444-164-0x0000000000520000-0x00000000005C4000-memory.dmp
memory/4444-213-0x000000001BE60000-0x000000001BE9E000-memory.dmp
memory/4444-201-0x0000000002940000-0x00000000029A8000-memory.dmp
memory/4444-214-0x000000001BE30000-0x000000001BE3E000-memory.dmp
memory/4444-183-0x00007FFF278B0000-0x00007FFF28254000-memory.dmp
memory/4444-210-0x000000001D230000-0x000000001D758000-memory.dmp
memory/4444-177-0x00007FFF278B0000-0x00007FFF28254000-memory.dmp
memory/4444-169-0x00007FFF278B0000-0x00007FFF28254000-memory.dmp
memory/4444-196-0x00007FFF278B0000-0x00007FFF28254000-memory.dmp
memory/4444-160-0x00007FFF27A3F000-0x00007FFF27A40000-memory.dmp
memory/4444-198-0x00007FFF278B0000-0x00007FFF28254000-memory.dmp
memory/4444-228-0x0000000020870000-0x0000000020878000-memory.dmp
memory/4444-242-0x00007FFF278B0000-0x00007FFF28254000-memory.dmp
memory/4444-241-0x00007FFF278B0000-0x00007FFF28254000-memory.dmp
memory/4444-239-0x00007FFF278B0000-0x00007FFF28254000-memory.dmp
memory/4444-240-0x00007FFF278B0000-0x00007FFF28254000-memory.dmp
memory/5316-202-0x0000000000400000-0x000000000041F000-memory.dmp
memory/5316-0-0x0000000000400000-0x000000000041F000-memory.dmp
memory/5948-199-0x0000000000400000-0x000000000041F000-memory.dmp