Analysis
- max time kernel
38s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
15/10/2026, 19:22
General
- Target StealthSurf-windows-x64-setup.exe
- Size 12.0MB
- Sample261015-x3ef2aby8v
- SHA256 a96bbb3e8598c79865f7e87990021b2d683543f1f5ca723ffe7afd8cc87349fd
Malware Config
Signatures
- Loads dropped DLL 7 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 9 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\StealthSurf-windows-x64-setup.exe"C:\Users\Admin\AppData\Local\Temp\StealthSurf-windows-x64-setup.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\StealthSurf VPN\cli-path.ps1" -Directory "C:\Users\Admin\AppData\Local\StealthSurf VPN" -Scope "User"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\qxacfxao\qxacfxao.cmdline"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES767E.tmp" "c:\Users\Admin\AppData\Local\Temp\qxacfxao\CSC1D7696F125B743D3B3239B8054949BC9.TMP"4⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
cli-path.ps1
stealthsurf-desktop.exe
RES767E.tmp
System.dll
modern-wizard.bmp
nsDialogs.dll
nsExec.dll
nsis_tauri_utils.dll
qxacfxao.dll
CSC1D7696F125B743D3B3239B8054949BC9.TMP
qxacfxao.0.cs
qxacfxao.cmdline
memory/2616-62-0x0000000006270000-0x0000000006292000-memory.dmp
memory/2616-72-0x0000000006EC0000-0x0000000006EDA000-memory.dmp
memory/2616-67-0x00000000063F0000-0x000000000674B000-memory.dmp
memory/2616-68-0x00000000068E0000-0x00000000068FE000-memory.dmp
memory/2616-69-0x0000000006910000-0x000000000695C000-memory.dmp
memory/2616-63-0x0000000006310000-0x0000000006376000-memory.dmp
memory/2616-71-0x0000000008170000-0x00000000087EC000-memory.dmp
memory/2616-64-0x0000000006380000-0x00000000063E6000-memory.dmp
memory/2616-61-0x0000000073080000-0x000000007383C000-memory.dmp
memory/2616-60-0x0000000073080000-0x000000007383C000-memory.dmp
memory/2616-59-0x0000000005C20000-0x000000000626A000-memory.dmp
memory/2616-58-0x0000000005430000-0x0000000005466000-memory.dmp
memory/2616-57-0x0000000073092000-0x0000000073093000-memory.dmp
memory/2616-85-0x0000000006EF0000-0x0000000006EF8000-memory.dmp
memory/2616-87-0x0000000073080000-0x000000007383C000-memory.dmp