Resubmissions

27/07/2026, 04:33

260727-e6ypzavygw8

27/07/2026, 04:24

260727-e1h3bsvhjd7

Analysis

  • geolocation tags

    eueuropefrfrance
  • max time kernel
    902s
  • max time network
    622s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 04:33

General

  • Target
    Nightlight Launcher.exe
  • Size 221.6MB
  • Sample260727-e6ypzavygw
  • SHA256 ea7979cb60ff338e71620dc9d677d4ebb41328397c0e76f5b907eb2ea244912d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Reads ssh keys stored on the system 2 TTPs

    Tries to access SSH used by SSH programs.

  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nightlight Launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\Nightlight Launcher.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6024
    • C:\Users\Admin\AppData\Local\Temp\Nightlight Launcher.exe
      "C:\Users\Admin\AppData\Local\Temp\Nightlight Launcher.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Local\nightlight-launcher" --gpu-preferences=SAAAAAAAAADgAAAEAAAAAAAAAAAAAGAAAQAAAAAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1688,i,14907653345257365370,16382952188216423965,262144 --enable-features=PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1692,i,12397670717346665565,8503712263084436867,4 --trace-process-track-uuid=3190708988185955192 --mojo-platform-channel-handle=1684 /prefetch:2
      2⤵
        PID:1496
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "reg query "HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Valve\Steam" /v InstallPath"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3508
        • C:\Windows\system32\reg.exe
          reg query "HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Valve\Steam" /v InstallPath
          3⤵
            PID:5084
        • C:\Users\Admin\AppData\Local\Temp\Nightlight Launcher.exe
          "C:\Users\Admin\AppData\Local\Temp\Nightlight Launcher.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Local\nightlight-launcher" --field-trial-handle=1688,i,14907653345257365370,16382952188216423965,262144 --enable-features=PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1692,i,12397670717346665565,8503712263084436867,4 --trace-process-track-uuid=3190708989122997041 --mojo-platform-channel-handle=1796 /prefetch:11
          2⤵
            PID:4580
          • C:\Users\Admin\AppData\Local\Temp\Nightlight Launcher.exe
            "C:\Users\Admin\AppData\Local\Temp\Nightlight Launcher.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Local\nightlight-launcher" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --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=4 --field-trial-handle=1688,i,14907653345257365370,16382952188216423965,262144 --enable-features=PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1692,i,12397670717346665565,8503712263084436867,4 --trace-process-track-uuid=3190708990060038890 --mojo-platform-channel-handle=2548 /prefetch:1
            2⤵
              PID:3684
            • C:\Users\Admin\AppData\Local\Temp\Nightlight Launcher.exe
              "C:\Users\Admin\AppData\Local\Temp\Nightlight Launcher.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.26100.1301 --user-data-dir="C:\Users\Admin\AppData\Local\nightlight-launcher" --gpu-preferences=SAAAAAAAAADoAAAEAAAAAAAAAAAAAGAAAQAAAAAAAAAAAAAAAAAAAEIAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1688,i,14907653345257365370,16382952188216423965,262144 --enable-features=PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1692,i,12397670717346665565,8503712263084436867,4 --trace-process-track-uuid=3190708990997080739 --mojo-platform-channel-handle=2416 /prefetch:10
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1804
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k GPSvcGroup
            1⤵
              PID:6008
            • C:\Windows\System32\SecurityHealthHost.exe
              \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
              1⤵
                PID:3464

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    596873d6-2611-4416-ab7a-0a997713ebe0.tmp

                    • Path C:\Users\Admin\AppData\Local\nightlight-launcher\Network\596873d6-2611-4416-ab7a-0a997713ebe0.tmp
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State

                    • Path C:\Users\Admin\AppData\Local\nightlight-launcher\Network\Network Persistent State
                    • Size 1KB
                    • SHA256 a2c3bddc5c94376cdfc0c2afd409ab026334de4b3fe4c4d63532ebdc71b52640
                    • MD5 SHA1 SHA512 TLSH

                    default.exc

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.exc
                    • Size 2B
                    • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
                    • MD5 SHA1 SHA512

                    memory/1804-81-0x0000027469D50000-0x0000027469D51000-memory.dmp

                    memory/1804-79-0x0000027469D50000-0x0000027469D51000-memory.dmp

                    memory/1804-86-0x0000027469D50000-0x0000027469D51000-memory.dmp

                    memory/1804-90-0x0000027469D50000-0x0000027469D51000-memory.dmp

                    memory/1804-91-0x0000027469D50000-0x0000027469D51000-memory.dmp

                    memory/1804-88-0x0000027469D50000-0x0000027469D51000-memory.dmp

                    memory/1804-87-0x0000027469D50000-0x0000027469D51000-memory.dmp

                    memory/1804-89-0x0000027469D50000-0x0000027469D51000-memory.dmp