Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 04:31

General

  • Target
    2.exe
  • Size 23.0MB
  • Sample260805-e5nhlsyarf
  • SHA256 2ed35b0465fc3de72b0757e84daac278619edc30e651e6257073dceae5085332
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 56 IoCs
  • Modifies file permissions 1 TTPs 2 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.

  • Kills process with taskkill 2 IoCs
  • Modifies system certificate store 2 TTPs 3 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\2.exe
    "C:\Users\Admin\AppData\Local\Temp\2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\Windows\system32\taskkill.exe
      "taskkill" /F /IM RuntimeBroker_rustdesk.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4144
    • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
      "C:\Users\Admin\AppData\Local\rustdesk\.\rustdesk.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1452
      • C:\Windows\system32\icacls.exe
        "icacls" C:\ProgramData\RustDesk /grant *S-1-1-0:(OI)(CI)F /T
        3⤵
        • Modifies file permissions
        PID:5952
      • 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:3204
      • 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:1200
        • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
          "C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe" --run-as-system
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Windows directory
          PID:1228
      • C:\Windows\system32\cmd.exe
        "cmd" /c "taskkill /F /IM RuntimeBroker_rustdesk.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1308
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM RuntimeBroker_rustdesk.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1404
      • 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:2660

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 bca2ea0b48c32b68ba471e432942a187ddf419011e6be2f5de5945d7e569cc50
        • MD5 SHA1 SHA512

        app.so

        • Path C:\Users\Admin\AppData\Local\rustdesk\data\app.so
        • Size 12.6MB
        • SHA256 5f315ddefd477472dd732842defcd132f4c209548f28dcd4e796fe52f334efe6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AssetManifest.bin

        • Path C:\Users\Admin\AppData\Local\rustdesk\data\flutter_assets\AssetManifest.bin
        • Size 4KB
        • SHA256 115bc5091fa5d0356680edd94957780965b6af043210e0f749e98f23aef2641a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        FontManifest.json

        • Path C:\Users\Admin\AppData\Local\rustdesk\data\flutter_assets\FontManifest.json
        • Size 483B
        • SHA256 068f1cc96816fab157a6813ce233731e46bf661ad84d0018381fb58b19396886
        • MD5 SHA1 SHA512 TLSH

        checkbox-outline.svg

        • Path C:\Users\Admin\AppData\Local\rustdesk\data\flutter_assets\assets\checkbox-outline.svg
        • Size 856B
        • SHA256 b8520bb0397257021199d933bee9e047cf35347fa56fe615cdfba201294f87c0
        • MD5 SHA1 SHA512 TLSH

        tabbar.ttf

        • Path C:\Users\Admin\AppData\Local\rustdesk\data\flutter_assets\assets\tabbar.ttf
        • Size 2KB
        • SHA256 a17ca0a8f7d5aa5ea3f6380f3a282b98b3d66135bb0cee5d431082f560030db8
        • MD5 SHA1 SHA512 TLSH

        MaterialIcons-Regular.otf

        • Path C:\Users\Admin\AppData\Local\rustdesk\data\flutter_assets\fonts\MaterialIcons-Regular.otf
        • Size 1.6MB
        • SHA256 d9865b671a09d683d13a863089d8825e0f61a37696ce5d7d448bc8023aa62453
        • 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 330KB
        • SHA256 c300d34d4f62b68b907b569f732a60e53bd59e95f7e3c0f22cb1f278b2bc2cde
        • MD5 SHA1 SHA512 SSDEEP TLSH

        desktop_multi_window_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\desktop_multi_window_plugin.dll
        • Size 394KB
        • SHA256 15d249b0ade072a1c23015ae45d8ba767ae3a5637b14ad9e095d7ed102eaa174
        • MD5 SHA1 SHA512 SSDEEP TLSH

        file_selector_windows_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\file_selector_windows_plugin.dll
        • Size 357KB
        • SHA256 e8acd079eb832f2071801364864924d3b6769579ced0ecf414c27b5c8935dacb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        flutter_custom_cursor_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\flutter_custom_cursor_plugin.dll
        • Size 320KB
        • SHA256 96a799ed337be7b7d754752a31cd9b4e90538244999b1eff3976a35fe13e1ad9
        • 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 352KB
        • SHA256 d81f5c43172326b21b5a1a2b9369a07894aa2c5077a0db84f22976c3cf464541
        • MD5 SHA1 SHA512 SSDEEP TLSH

        flutter_windows.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\flutter_windows.dll
        • Size 17.2MB
        • SHA256 846ad51298e1b9411bf604e7f721bef65462c37c5ecc91fdbcd6dec7593266f0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        librustdesk.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\librustdesk.dll
        • Size 33.6MB
        • SHA256 1ca121afe29c248be5b3f3c4452203b972345cf526dd2acfcafdbb6544653f8d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        printer_driver_adapter.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\printer_driver_adapter.dll
        • Size 1.3MB
        • SHA256 5aa5ab329b173f656bd4705bf1f6957b7660a28cbf0fb0ffeb07b56df813a79b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rustdesk.exe

        • Path C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
        • Size 354KB
        • SHA256 038d48a738929db68091c8f115e9472028f56b6632bdbd1115ae5416489c87a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        screen_retriever_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\screen_retriever_plugin.dll
        • Size 524KB
        • SHA256 477e9f2c558d5f65dca4487918efc558d364858642f4d2bdad50feedf4cb10f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        texture_rgba_renderer_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\texture_rgba_renderer_plugin.dll
        • Size 329KB
        • SHA256 9b1bd31efe1601854003bd871bd2ccc77c6b70391dd5b1615b59ffd2c930c980
        • MD5 SHA1 SHA512 SSDEEP TLSH

        uni_links_desktop_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\uni_links_desktop_plugin.dll
        • Size 528KB
        • SHA256 20d58d005516551f00cf9eccbd3a6a5933f895c7f9f8303724c0254a2cb4dfa4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        url_launcher_windows_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\url_launcher_windows_plugin.dll
        • Size 333KB
        • SHA256 e1308ed0c39f444ce62609d9f7377290ff1ed557dafa0ec05a6d12ca1ed9ce0b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        window_manager_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\window_manager_plugin.dll
        • Size 554KB
        • SHA256 8ce1a1d7b1847f9d01122c74386e72bc50c01e58db320e2d0dd92029c4804ad5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        window_size_plugin.dll

        • Path C:\Users\Admin\AppData\Local\rustdesk\window_size_plugin.dll
        • Size 522KB
        • SHA256 e3566edf512ecf59064cc634c09d877705936b441aa7d89f58983c6a769f141f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1452-158-0x000001C610A00000-0x000001C611691000-memory.dmp

        memory/1452-159-0x000001C610A00000-0x000001C611691000-memory.dmp

        memory/1452-160-0x000001C610A00000-0x000001C611691000-memory.dmp

        memory/1452-161-0x000001C610980000-0x000001C610981000-memory.dmp

        memory/1452-157-0x000001C610970000-0x000001C610971000-memory.dmp