Analysis
- max time kernel
151s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/09/2026, 17:00
General
- Target rustdesk-1.4.9-x86_64.exe
- Size 23.3MB
- Sample260930-vjaydsshlf
- SHA256 eaedeb0088e687bf46f7c46a9c6ea5493ce51f3134dfd6acbedb47b5b9136274
Malware Config
Signatures
- Deletes itself 1 TTPs 1 IoCs
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 60 IoCs
- RustDesk remote access tool
RustDesk is an open-source remote admin tool.
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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.
- Kills process with taskkill 2 IoCs
- Modifies system certificate store 2 TTPs 5 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rustdesk-1.4.9-x86_64.exe"C:\Users\Admin\AppData\Local\Temp\rustdesk-1.4.9-x86_64.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\taskkill.exe"taskkill" /F /IM RuntimeBroker_rustdesk.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe"C:\Users\Admin\AppData\Local\rustdesk\.\rustdesk.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Modifies system certificate store
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe"C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe" --portable-service --portable-service-shmem-name=_portable_service_4744_85944ea93⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe"C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe" --run-as-system --portable-service-shmem-name=_portable_service_4744_85944ea94⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
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C:\Windows\system32\cmd.exe"cmd" /c "taskkill /F /IM RuntimeBroker_rustdesk.exe"3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\taskkill.exetaskkill /F /IM RuntimeBroker_rustdesk.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe"C:\Users\Admin\AppData\Local\rustdesk\.\rustdesk.exe" --check-hwcodec-config3⤵
- Executes dropped EXE
- Loads dropped DLL
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
app.so
icudtl.dat
desktop_drop_plugin.dll
desktop_multi_window_plugin.dll
file_selector_windows_plugin.dll
flutter_custom_cursor_plugin.dll
flutter_gpu_texture_renderer_plugin.dll
flutter_windows.dll
librustdesk.dll
printer_driver_adapter.dll
rustdesk.exe
screen_retriever_plugin.dll
texture_rgba_renderer_plugin.dll
uni_links_desktop_plugin.dll
url_launcher_windows_plugin.dll
window_manager_plugin.dll
window_size_plugin.dll
RustDesk2.toml
memory/1788-237-0x000001BB78D70000-0x000001BB79EBF000-memory.dmp
memory/1788-733-0x000001BB78D70000-0x000001BB79EBF000-memory.dmp
memory/1788-280-0x000001BB78D70000-0x000001BB79EBF000-memory.dmp
memory/4744-553-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-391-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-230-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-163-0x000001E63AF20000-0x000001E63BBD9000-memory.dmp
memory/4744-720-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-162-0x000001E63AE80000-0x000001E63AE81000-memory.dmp
memory/4744-257-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-263-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-165-0x000001E63AF20000-0x000001E63BBD9000-memory.dmp
memory/4744-314-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-355-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-166-0x000001E63AE90000-0x000001E63AE91000-memory.dmp
memory/4744-431-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-472-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-514-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-164-0x000001E63AF20000-0x000001E63BBD9000-memory.dmp
memory/4744-594-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-636-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4744-678-0x000001E633FB0000-0x000001E6350FF000-memory.dmp
memory/4884-236-0x000001439C7A0000-0x000001439D8EF000-memory.dmp
memory/5084-228-0x000002BF30AB0000-0x000002BF31BFF000-memory.dmp