Analysis
- max time kernel
150s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
27/10/2026, 23:51
General
- Target ClaudeLauncher-Setup-1.9.0.exe
- Size 12.5MB
- Sample261027-3wl57aws8r
- SHA256 4c226148076e600c4e36cb08061dd568aadf32d9efc2d2a9c200a205fbd9d27f
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 9 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
- Modifies registry class 5 IoCs
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 5 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ClaudeLauncher-Setup-1.9.0.exe"C:\Users\Admin\AppData\Local\Temp\ClaudeLauncher-Setup-1.9.0.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-VMTFMO6HEL.tmp\ClaudeLauncher-Setup-1.9.0.tmp"C:\Users\Admin\AppData\Local\Temp\is-VMTFMO6HEL.tmp\ClaudeLauncher-Setup-1.9.0.tmp" /SL5="$4009E,11837376,871424,C:\Users\Admin\AppData\Local\Temp\ClaudeLauncher-Setup-1.9.0.exe"2⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Programs\ClaudeLauncher\claude_launcher.exe"C:\Users\Admin\AppData\Local\Programs\ClaudeLauncher\claude_launcher.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\ClaudeLauncher\cowork-firewall\script.ps1"4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
claude_launcher.exe
app.so
FontManifest.json
NativeAssetsManifest.json
tray_icon_light.ico
lucide.ttf
icudtl.dat
flutter_local_notifications_windows.dll
flutter_windows.dll
screen_retriever_windows_plugin.dll
tray_manager_plugin.dll
url_launcher_windows_plugin.dll
window_manager_plugin.dll
script.ps1
ClaudeLauncher-Setup-1.9.0.tmp
claude-notifications.json
memory/1036-136-0x0000015208E70000-0x0000015208E71000-memory.dmp
memory/1036-139-0x0000015209570000-0x0000015209D11000-memory.dmp
memory/1036-138-0x0000015209570000-0x0000015209D11000-memory.dmp
memory/1036-144-0x0000015209280000-0x0000015209300000-memory.dmp
memory/1036-143-0x0000015209280000-0x0000015209300000-memory.dmp
memory/1036-137-0x0000015209570000-0x0000015209D11000-memory.dmp
memory/1036-140-0x0000015208E80000-0x0000015208E81000-memory.dmp
memory/1036-168-0x000001520BA50000-0x000001520BA56000-memory.dmp
memory/3172-157-0x00000000004E0000-0x00000000005C3000-memory.dmp
memory/3172-2-0x000000000059F000-0x00000000005A0000-memory.dmp
memory/3172-11-0x00000000004E0000-0x00000000005C3000-memory.dmp
memory/3172-0-0x00000000004E0000-0x00000000005C3000-memory.dmp
memory/4520-148-0x0000000000E90000-0x00000000012CE000-memory.dmp
memory/4520-146-0x0000000000E90000-0x00000000012CE000-memory.dmp
memory/4520-117-0x0000000000E90000-0x00000000012CE000-memory.dmp
memory/4520-15-0x0000000000E90000-0x00000000012CE000-memory.dmp
memory/4520-13-0x0000000000E90000-0x00000000012CE000-memory.dmp
memory/4520-9-0x0000000000E90000-0x00000000012CE000-memory.dmp
memory/4520-8-0x0000000001254000-0x0000000001256000-memory.dmp
memory/5544-161-0x000001C569DE0000-0x000001C569E02000-memory.dmp