Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/10/2026, 00:40
General
- Target 2026-10-22_ae1d46ce1284c60612e4a78853d873f4_elex_stealc_stop_swisyn_tofsee.exe
- Size 1.0MB
- Sample261024-a1e88agy9j
- SHA256 16fe277fe4e76efce7d0d9810e8268292ea9596fc247e91fe32d20861337ed6b
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).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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\2026-10-22_ae1d46ce1284c60612e4a78853d873f4_elex_stealc_stop_swisyn_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_ae1d46ce1284c60612e4a78853d873f4_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\2026-10-22_ae1d46ce1284c60612e4a78853d873f4_elex_stealc_stop_swisyn_tofsee.exec:\users\admin\appdata\local\temp\2026-10-22_ae1d46ce1284c60612e4a78853d873f4_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\7zSC1C37639\BlueStacksInstaller.exe"C:\Users\Admin\AppData\Local\Temp\7zSC1C37639\BlueStacksInstaller.exe"3⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zSC1C37639\HD-CheckCpu.exe"C:\Users\Admin\AppData\Local\Temp\7zSC1C37639\HD-CheckCpu.exe" --cmd checkHypervEnabled4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\7zSC1C37639\HD-CheckCpu.exe"C:\Users\Admin\AppData\Local\Temp\7zSC1C37639\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
2026-10-22_ae1d46ce1284c60612e4a78853d873f4_elex_stealc_stop_swisyn_tofsee.exe
backicon.png
change_click.png
close_red.png
custom.png
discord_icon.png
discord_icon_hover.png
exit_close_click.png
folder.png
help_icon.png
info_icon.png
installer_bg.jpg
installer_logo.png
installer_minimize.png
loader.png
logo_text.png
minimize_progress_click.png
setpath.png
BlueStacksInstaller.exe
BlueStacksInstaller.exe.config
HD-CheckCpu.exe
JSON.dll
i18n.en-US.txt
ThemeFile
installer_bg_2.jpg
installer_bg_4.jpg
installer_bg_7.jpg
explorer.exe
icsys.icn.exe
spoolsv.exe
svchost.exe
memory/1716-240-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1852-192-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2376-241-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4372-194-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4644-195-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4644-0-0x0000000000400000-0x000000000041F000-memory.dmp
memory/5180-219-0x000000001BBA0000-0x000000001BBA8000-memory.dmp
memory/5180-200-0x000000001D900000-0x000000001DE28000-memory.dmp
memory/5180-204-0x000000001C630000-0x000000001C66E000-memory.dmp
memory/5180-205-0x000000001C600000-0x000000001C60E000-memory.dmp
memory/5180-188-0x00000000031F0000-0x0000000003258000-memory.dmp
memory/5180-170-0x0000000000CB0000-0x0000000000D54000-memory.dmp
memory/6132-193-0x0000000000400000-0x000000000041F000-memory.dmp