Analysis

  • user interaction
    yes
  • max time kernel
    64s
  • max time network
    69s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/04/2026, 02:01

General

  • Target
    Nocturno_2.4.0_x64-setup.exe
  • Size 26.3MB
  • Sample260423-cft8ragv8m
  • SHA256 f8a8e4529497331fa0eb09c7d9f8143273d592725e9793ada050058739835ff7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 1 IoCs
  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3192
      • C:\Users\Admin\AppData\Local\Temp\Nocturno_2.4.0_x64-setup.exe
        "C:\Users\Admin\AppData\Local\Temp\Nocturno_2.4.0_x64-setup.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4240
      • C:\Program Files\Nocturno\nocturno-launcher.exe
        "C:\Program Files\Nocturno\nocturno-launcher.exe"
        2⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:3140
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=nocturno-launcher.exe --webview-exe-version=2.0.0 --user-data-dir="C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=OverlayScrollbar --no-proxy-server --lang=en-US --mojo-named-platform-channel-pipe=3140.4952.7531148680344938694
          3⤵
          • Enumerates system info in registry
          • Modifies data under HKEY_USERS
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of WriteProcessMemory
          PID:5400
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x15c,0x160,0x164,0x138,0x16c,0x7ffacf0fb078,0x7ffacf0fb084,0x7ffacf0fb090
            4⤵
              PID:2812
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView" --webview-exe-name=nocturno-launcher.exe --webview-exe-version=2.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1692,i,11678090528338425500,2208573329013068835,262144 --enable-features=OverlayScrollbar --variations-seed-version --mojo-platform-channel-handle=1680 /prefetch:2
              4⤵
                PID:3616
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView" --webview-exe-name=nocturno-launcher.exe --webview-exe-version=2.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=1920,i,11678090528338425500,2208573329013068835,262144 --enable-features=OverlayScrollbar --variations-seed-version --mojo-platform-channel-handle=1924 /prefetch:3
                4⤵
                  PID:1180
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView" --webview-exe-name=nocturno-launcher.exe --webview-exe-version=2.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2336,i,11678090528338425500,2208573329013068835,262144 --enable-features=OverlayScrollbar --variations-seed-version --mojo-platform-channel-handle=2376 /prefetch:8
                  4⤵
                    PID:5956
                  • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                    "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView" --webview-exe-name=nocturno-launcher.exe --webview-exe-version=2.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc --ms-user-locale=" --always-read-main-dll --field-trial-handle=3572,i,11678090528338425500,2208573329013068835,262144 --enable-features=OverlayScrollbar --variations-seed-version --mojo-platform-channel-handle=3584 /prefetch:1
                    4⤵
                      PID:4736
                    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView" --webview-exe-name=nocturno-launcher.exe --webview-exe-version=2.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc --ms-user-locale=" --always-read-main-dll --field-trial-handle=3876,i,11678090528338425500,2208573329013068835,262144 --enable-features=OverlayScrollbar --variations-seed-version --mojo-platform-channel-handle=3872 /prefetch:1
                      4⤵
                        PID:6016

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      nocturno-launcher.exe

                      • Path C:\Program Files\Nocturno\nocturno-launcher.exe
                      • Size 29.3MB
                      • SHA256 a459b109d5709f237b420ff0f33413e108e766dcee0f8fa8c1fa66ce2f35d7e7
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      System.dll

                      • Path C:\Users\Admin\AppData\Local\Temp\nsc1700.tmp\System.dll
                      • Size 12KB
                      • SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      modern-wizard.bmp

                      • Path C:\Users\Admin\AppData\Local\Temp\nsc1700.tmp\modern-wizard.bmp
                      • Size 150KB
                      • SHA256 d013b63eee9704679b4c3bc1798bed21a2dabecde6cdb977a7ce46f424de6522
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      nsDialogs.dll

                      • Path C:\Users\Admin\AppData\Local\Temp\nsc1700.tmp\nsDialogs.dll
                      • Size 9KB
                      • SHA256 56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      nsis_tauri_utils.dll

                      • Path C:\Users\Admin\AppData\Local\Temp\nsc1700.tmp\nsis_tauri_utils.dll
                      • Size 33KB
                      • SHA256 3697d11bdbe1e34daa26b1e89d84276d9ff28148906943d0fe888354c3b13620
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 147f49c501f4989547aad6b74953e2a450fd1d13df5d82f95c655e0eabd782ab
                      • MD5 SHA1 SHA512 TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 cf0b698f1df4ed50d5a09cacde2d90a54acba05bb3aee5b42fc2300771ab8e59
                      • MD5 SHA1 SHA512 TLSH

                      throttle_store.dat

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Crashpad\throttle_store.dat
                      • Size 20B
                      • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                      • MD5 SHA1 SHA512

                      the-real-index

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                      • Size 384B
                      • SHA256 0a7de083dfbf05d1d9fb9d2c619928f718a174160345f43cf7055d4cf8c764ad
                      • MD5 SHA1 SHA512 TLSH

                      the-real-index~RFe59048a.TMP

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe59048a.TMP
                      • Size 48B
                      • SHA256 fd0d9d7409e8c23be1b9e6c309211e32606ab588bde74d6b61b47b09de07e74a
                      • MD5 SHA1 SHA512

                      data_1

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\DawnGraphiteCache\data_1
                      • Size 264KB
                      • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                      • MD5 SHA1 SHA512 SSDEEP

                      index

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\DawnGraphiteCache\index
                      • Size 256KB
                      • SHA256 5fdc99e6b104e7fa6a4a971fa393c005216592bb19aa20c2d7f2cdc6e05d1e71
                      • MD5 SHA1 SHA512 SSDEEP

                      data_0

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\DawnWebGPUCache\data_0
                      • Size 8KB
                      • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                      • MD5 SHA1 SHA512 SSDEEP

                      data_2

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\DawnWebGPUCache\data_2
                      • Size 8KB
                      • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                      • MD5 SHA1 SHA512 SSDEEP

                      data_3

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\DawnWebGPUCache\data_3
                      • Size 8KB
                      • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                      • MD5 SHA1 SHA512 SSDEEP

                      MANIFEST-000001

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\Extension Rules\MANIFEST-000001
                      • Size 41B
                      • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                      • MD5 SHA1 SHA512

                      SCT Auditing Pending Reports

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\Network\SCT Auditing Pending Reports
                      • Size 2B
                      • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                      • MD5 SHA1 SHA512

                      TransportSecurity

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\Network\TransportSecurity
                      • Size 689B
                      • SHA256 2d1cecbb4a7268c7621e94b41d0a5d68051762615efe73108143f5da10924cc9
                      • MD5 SHA1 SHA512 TLSH

                      TransportSecurity~RFe58ca02.TMP

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\Network\TransportSecurity~RFe58ca02.TMP
                      • Size 689B
                      • SHA256 c13d6ae91e9c12f8716495706500ad3da7b7aa2e1d1b8bb8379da83035f3b399
                      • MD5 SHA1 SHA512 TLSH

                      Preferences

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\Preferences
                      • Size 6KB
                      • SHA256 ce011c522b778eb0831ef8f69e58b60b97422f70464ea125cad7c8e1f13eaf7f
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Preferences

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\Preferences
                      • Size 6KB
                      • SHA256 ce9fc6b2fc7611c628058a7ab92649dee1be8380bdd62e631ba0301b2d51369d
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Preferences~RFe58ccc1.TMP

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\Preferences~RFe58ccc1.TMP
                      • Size 6KB
                      • SHA256 3250b917246cea16e179e5426c389b530a8c8ef327cdaa40b716d448113f68c1
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      CURRENT

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Default\Site Characteristics Database\CURRENT
                      • Size 16B
                      • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                      • MD5 SHA1 SHA512

                      Local State

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Local State
                      • Size 1KB
                      • SHA256 154637e3c78c56ba9bc9618458db4c79a97556389445d7cda4427648129c0a6a
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Local State
                      • Size 2KB
                      • SHA256 d4c4724999ff0770004dfb386e4a2f104dc5eeaefd5ca09c58b707bc9ccc135f
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Local State
                      • Size 3KB
                      • SHA256 20ed029cb09923b351b6bae4116756fd86b76b1c186356502f6c3b0f05ddff5e
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Local State
                      • Size 4KB
                      • SHA256 7d42cf99cab5c7c9f8767ee102faeec217f7ca51a206d9ccc65c66c4553e9115
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Local State
                      • Size 16KB
                      • SHA256 10002129ae035f143e51e9d05a66ab691e45c1e94bb4cbfc1759b55f72600fbf
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Local State~RFe585d00.TMP

                      • Path C:\Users\Admin\AppData\Local\cc.nocturno.launcher\EBWebView\Local State~RFe585d00.TMP
                      • Size 1KB
                      • SHA256 c133104e2ad41237a8db07587512d8580a006a2be4b03144a7296e0f2e124a52
                      • MD5 SHA1 SHA512 TLSH

                      config.json

                      • Path C:\Users\Admin\AppData\Roaming\.nocturno\config.json
                      • Size 166B
                      • SHA256 14cd165c269bf55db26f44fe7609c229ad84edf0155c061c3e3a175166cbfb71
                      • MD5 SHA1 SHA512 TLSH

                      memory/2812-283-0x0000014F50C00000-0x0000014F50D15000-memory.dmp

                      memory/3140-279-0x000001EF5E340000-0x000001EF5E455000-memory.dmp

                      memory/3616-77-0x00007FFAEB760000-0x00007FFAEB761000-memory.dmp

                      memory/3616-300-0x0000024C32EE0000-0x0000024C32FF5000-memory.dmp

                      memory/4736-197-0x00007FFAEB760000-0x00007FFAEB761000-memory.dmp

                      memory/5400-353-0x00000135F6110000-0x00000135F6137000-memory.dmp

                      memory/5400-354-0x00000135F6140000-0x00000135F617B000-memory.dmp

                      memory/5400-282-0x00000135EB5E0000-0x00000135EB5EC000-memory.dmp

                      memory/5400-281-0x00000135EB5A0000-0x00000135EB5CC000-memory.dmp

                      memory/5400-280-0x00000135ED6A0000-0x00000135ED7B5000-memory.dmp

                      memory/5956-99-0x00007FFAE9DA0000-0x00007FFAE9DA1000-memory.dmp

                      memory/5956-100-0x00007FFAE9DE0000-0x00007FFAE9DE1000-memory.dmp