Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/07/2026, 00:21

General

  • Target
    rd.exe
  • Size 23.1MB
  • Sample260705-ankyyabs5j
  • SHA256 43a9b0cd46afe1944d0010849cf3a90fc474d73b13359acc984b766404fbea37
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 2 IoCs
  • RustDesk remote access tool

    RustDesk is an open-source remote admin tool.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Windows directory 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 56 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rd.exe
    "C:\Users\Admin\AppData\Local\Temp\rd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\system32\taskkill.exe
      "taskkill" /F /IM RuntimeBroker_rustdesk.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3904
    • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
      "C:\Users\Admin\AppData\Local\rustdesk\.\rustdesk.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1056
      • C:\Windows\system32\icacls.exe
        "icacls" C:\ProgramData\RustDesk /grant *S-1-1-0:(OI)(CI)F /T
        3⤵
        • Modifies file permissions
        PID:4968
      • C:\Windows\system32\icacls.exe
        "icacls" C:\ProgramData\RustDesk\shared_memory_portable_service /grant *S-1-1-0:(OI)(CI)F /T
        3⤵
        • Modifies file permissions
        PID:1512
      • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
        "C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe" --portable-service
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5060
        • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
          "C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe" --run-as-system
          4⤵
          • Drops file in Windows directory
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1768
      • C:\Windows\system32\cmd.exe
        "cmd" /c "taskkill /F /IM RuntimeBroker_rustdesk.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:116
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM RuntimeBroker_rustdesk.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4536
      • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
        "C:\Users\Admin\AppData\Local\rustdesk\.\rustdesk.exe" --check-hwcodec-config
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3844

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        shared_memory_portable_service

        • Path C:\ProgramData\RustDesk\shared_memory_portable_service
        • Size 23B
        • SHA256 401d97b34db64d0507d379ff3d8cb648de109ee0496cb72e98b32e590896207c
        • MD5 SHA1 SHA512

        app.so

        • Path C:\Users\Admin\AppData\Local\rustdesk\data\app.so
        • Size 12.6MB
        • SHA256 2c92c70f292cb03a2cc8e47ca006d327c92a27cfac1a930945478a5d4f6b1534
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icudtl.dat

        • Path C:\Users\Admin\AppData\Local\rustdesk\data\icudtl.dat
        • Size 760KB
        • SHA256 c12537022ef818991a7bfed41a76d8d6ae962ffbc0e6511ac762a5d0845e7f7c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        desktop_drop_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\desktop_drop_plugin.dll
        • Size 332KB
        • SHA256 f3b7a37731960e2c465d0f9aa7d5776bc6facee84ff3b2e2fcebc8d0337ca2c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        desktop_multi_window_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\desktop_multi_window_plugin.dll
        • Size 396KB
        • SHA256 89cf9967892061181a8d3a302777c0783005baf0f5fb6136924b032cef3b9d26
        • MD5 SHA1 SHA512 SSDEEP TLSH

        file_selector_windows_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\file_selector_windows_plugin.dll
        • Size 359KB
        • SHA256 bfb78f728819db12a4a0e5b3f30b68e2ee0e955bed15bf34c623138aea15a6eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        flutter_custom_cursor_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\flutter_custom_cursor_plugin.dll
        • Size 322KB
        • SHA256 798e3463cb84acfc003bf8d9d7dc1c5b32300ba00009f9d0de3ea73e6ffadc65
        • MD5 SHA1 SHA512 SSDEEP TLSH

        flutter_gpu_texture_renderer_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\flutter_gpu_texture_renderer_plugin.dll
        • Size 354KB
        • SHA256 d54a17673226d82078d12cd1016ae45630d0423a4cbf51b48c74bb849e5728a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        flutter_windows.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\flutter_windows.dll
        • Size 17.2MB
        • SHA256 509cf49850aa91e6505a1c89c31e7b30c2b9734fa96944c69a603a0e762fadbf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        librustdesk.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\librustdesk.dll
        • Size 33.7MB
        • SHA256 b2dfb94f88626e9ec7a5bb95e236c2b497568bab6fa63a221c6dfcf33cafecfb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        printer_driver_adapter.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\printer_driver_adapter.dll
        • Size 1.3MB
        • SHA256 2512f943bc803c63179db8e0acb0be58ce48ecdd6daff89eebb8168bbf34657d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rustdesk.exe

        • Path C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
        • Size 356KB
        • SHA256 d85eb795ad58a206e40eee01c2f5c0a3b018f25b6e5bac1d32afae346fed05f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        screen_retriever_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\screen_retriever_plugin.dll
        • Size 526KB
        • SHA256 f7d8d2cefda82d4bfbf7444f7be1d8819e718a1a3c2d24a381f25c39ba5e5830
        • MD5 SHA1 SHA512 SSDEEP TLSH

        texture_rgba_renderer_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\texture_rgba_renderer_plugin.dll
        • Size 331KB
        • SHA256 fe0f657a3cb47935a013f242a734528bff6d19ce468f36c82673c3a35b316461
        • MD5 SHA1 SHA512 SSDEEP TLSH

        uni_links_desktop_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\uni_links_desktop_plugin.dll
        • Size 530KB
        • SHA256 12c8e941eb1fd52166548f52a237b21a10e5b2affe982ac94a5cb5d5a8bc0b31
        • MD5 SHA1 SHA512 SSDEEP TLSH

        url_launcher_windows_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\url_launcher_windows_plugin.dll
        • Size 335KB
        • SHA256 32f8d2432bd80efaf9a402c94fdf7a502351465c77bc89a481df16ca61a6b8b0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        window_manager_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\window_manager_plugin.dll
        • Size 556KB
        • SHA256 34c39bbce453e09c892286d4693e53fa4d4ca7aa0fe1bdf5bf599d933b7dfc82
        • MD5 SHA1 SHA512 SSDEEP TLSH

        window_size_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\window_size_plugin.dll
        • Size 524KB
        • SHA256 98357495df1b0101d170c83c420add3eac7d18b2f4615fe84a0d0960b517b20d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1056-147-0x000001DC7B380000-0x000001DC7C01D000-memory.dmp

        memory/1056-148-0x000001DC7B380000-0x000001DC7C01D000-memory.dmp

        memory/1056-149-0x000001DC7B380000-0x000001DC7C01D000-memory.dmp

        memory/1056-150-0x000001DC78DD0000-0x000001DC78DD1000-memory.dmp

        memory/1056-146-0x000001DC78DC0000-0x000001DC78DC1000-memory.dmp