Resubmissions

22/08/2026, 00:35

260822-axa54azdla6

22/08/2026, 00:31

260822-avbc3sdh656

Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 00:31

General

  • Target
    RyuuManifestToolV2.exe
  • Size 6.9MB
  • Sample260822-avbc3sdh65
  • SHA256 f3c8d25bc2adadf40f5089f93f9f145db14dbf216cbcf6ab2a060ea008a4c51e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

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

    Attempt to gather information on host network.

  • Drops file in Windows directory 20 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RyuuManifestToolV2.exe
    "C:\Users\Admin\AppData\Local\Temp\RyuuManifestToolV2.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=RyuuManifestToolV2.exe --webview-exe-version=1.3.4 --user-data-dir="C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --enable-features=MojoIpcz --lang=en-US --accept-lang=en-US --mojo-named-platform-channel-pipe=2608.3332.14799350865494922990 /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView /prefetch:4 /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.139 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=122.0.2365.106 --initial-client-data=0x188,0x18c,0x190,0x184,0x160,0x7ffd6bb25fd8,0x7ffd6bb25fe4,0x7ffd6bb25ff0
        3⤵
          PID:4664
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=gpu-process --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView" --webview-exe-name=RyuuManifestToolV2.exe --webview-exe-version=1.3.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1768 --field-trial-handle=1772,i,8324912090147417324,204961946492982512,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481
          3⤵
            PID:3536
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView" --webview-exe-name=RyuuManifestToolV2.exe --webview-exe-version=1.3.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2144 --field-trial-handle=1772,i,8324912090147417324,204961946492982512,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481
            3⤵
              PID:5180
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView" --webview-exe-name=RyuuManifestToolV2.exe --webview-exe-version=1.3.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2440 --field-trial-handle=1772,i,8324912090147417324,204961946492982512,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481
              3⤵
                PID:4124
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=renderer --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView" --webview-exe-name=RyuuManifestToolV2.exe --webview-exe-version=1.3.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --autoplay-policy=no-user-gesture-required --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=" --mojo-platform-channel-handle=3488 --field-trial-handle=1772,i,8324912090147417324,204961946492982512,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481 /prefetch:1
                3⤵
                  PID:5940
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView" --webview-exe-name=RyuuManifestToolV2.exe --webview-exe-version=1.3.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4512 --field-trial-handle=1772,i,8324912090147417324,204961946492982512,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481
                  3⤵
                    PID:2368
                  • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                    "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView" --webview-exe-name=RyuuManifestToolV2.exe --webview-exe-version=1.3.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4652 --field-trial-handle=1772,i,8324912090147417324,204961946492982512,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481
                    3⤵
                      PID:4212
                    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView" --webview-exe-name=RyuuManifestToolV2.exe --webview-exe-version=1.3.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4628 --field-trial-handle=1772,i,8324912090147417324,204961946492982512,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481
                      3⤵
                        PID:3556
                      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.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 --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView" --webview-exe-name=RyuuManifestToolV2.exe --webview-exe-version=1.3.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=4628 --field-trial-handle=1772,i,8324912090147417324,204961946492982512,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:2472
                      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView" --webview-exe-name=RyuuManifestToolV2.exe --webview-exe-version=1.3.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4100 --field-trial-handle=1772,i,8324912090147417324,204961946492982512,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:2349cd6feb8d7bcdb890a88794f756dfe8df3481
                        3⤵
                          PID:1068
                      • C:\Windows\system32\reg.exe
                        "reg" query HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Valve\Steam /v InstallPath
                        2⤵
                          PID:1680

                      Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            settings.dat

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Crashpad\settings.dat
                            • Size 280B
                            • SHA256 f45a07d8af35456f3e9a9101579129d9f2dee95605a05927a6145eaf3e28817c
                            • MD5 SHA1 SHA512 TLSH

                            settings.dat

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Crashpad\settings.dat
                            • Size 280B
                            • SHA256 8511d01d8d44043c934117cc04a3df31a3a2c796ed03de51037921f775269cfa
                            • MD5 SHA1 SHA512

                            922d4f4a-8c06-4e53-9a2b-735ea3ccc737.tmp

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Default\922d4f4a-8c06-4e53-9a2b-735ea3ccc737.tmp
                            • Size 6KB
                            • SHA256 bf4a1580882ec9bbb4334e7f2d684011c9a3807ea204919d5111a0d5d19cc92b
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            the-real-index

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                            • Size 72B
                            • SHA256 24947c6d128f1049ff249f1bfc6043271a404ba966536184c0f804e9df3102a2
                            • MD5 SHA1 SHA512 TLSH

                            the-real-index~RFe5948b7.TMP

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe5948b7.TMP
                            • Size 48B
                            • SHA256 094d15da1a5e4f0e7d4f1a498f9eaa8f098763e7c7f497ed8e73e5f5cf3520b6
                            • MD5 SHA1 SHA512

                            Network Persistent State

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Default\Network\Network Persistent State
                            • Size 111B
                            • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                            • MD5 SHA1 SHA512 TLSH

                            Network Persistent State~RFe5a1dab.TMP

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Default\Network\Network Persistent State~RFe5a1dab.TMP
                            • Size 59B
                            • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                            • MD5 SHA1 SHA512 TLSH

                            SCT Auditing Pending Reports

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Default\Network\SCT Auditing Pending Reports
                            • Size 2B
                            • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                            • MD5 SHA1 SHA512

                            Preferences

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Default\Preferences
                            • Size 6KB
                            • SHA256 062925913b7c8325747cf9631f560553aba7c31b4530a5bcd5c49198351d4e22
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            CURRENT

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Default\Site Characteristics Database\CURRENT
                            • Size 16B
                            • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                            • MD5 SHA1 SHA512

                            MANIFEST-000001

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Default\Site Characteristics Database\MANIFEST-000001
                            • Size 41B
                            • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                            • MD5 SHA1 SHA512

                            data_0

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\GraphiteDawnCache\data_0
                            • Size 8KB
                            • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                            • MD5 SHA1 SHA512 SSDEEP

                            data_1

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\GraphiteDawnCache\data_1
                            • Size 264KB
                            • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                            • MD5 SHA1 SHA512 SSDEEP

                            data_2

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\GraphiteDawnCache\data_2
                            • Size 8KB
                            • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                            • MD5 SHA1 SHA512 SSDEEP

                            data_3

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\GraphiteDawnCache\data_3
                            • Size 8KB
                            • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                            • MD5 SHA1 SHA512 SSDEEP

                            Local State

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Local State
                            • Size 2KB
                            • SHA256 66416c3c93f5fbf4d0d83d1f6847ca83e8eb425379878a88c3ba65945f8b18f8
                            • MD5 SHA1 SHA512 TLSH

                            Local State

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Local State
                            • Size 3KB
                            • SHA256 075e2da81d55889e011f78c6cdbdde44823fa5eb984fd981353c34f625f0ac06
                            • MD5 SHA1 SHA512 TLSH

                            Local State

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Local State
                            • Size 15KB
                            • SHA256 29ce7573e89908ea2c0cdcedc10faeb03db989a202993182b7f48515ac4896bb
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Local State~RFe58f661.TMP

                            • Path C:\Users\Admin\AppData\Local\com.ryuu.manifest-tool\EBWebView\Local State~RFe58f661.TMP
                            • Size 1KB
                            • SHA256 223b1b205d08ec420a7221b9da0e057617f80c2b5f2c1280c628850347ff3a4a
                            • MD5 SHA1 SHA512 TLSH

                            memory/2368-214-0x00007FFD8C0A0000-0x00007FFD8C0A1000-memory.dmp

                            memory/2368-215-0x00007FFD8CB60000-0x00007FFD8CB61000-memory.dmp

                            memory/2472-288-0x000001CAA8720000-0x000001CAA8721000-memory.dmp

                            memory/2472-279-0x000001CAA8720000-0x000001CAA8721000-memory.dmp

                            memory/2472-277-0x000001CAA8720000-0x000001CAA8721000-memory.dmp

                            memory/2472-284-0x000001CAA8720000-0x000001CAA8721000-memory.dmp

                            memory/2472-287-0x000001CAA8720000-0x000001CAA8721000-memory.dmp

                            memory/2472-286-0x000001CAA8720000-0x000001CAA8721000-memory.dmp

                            memory/2472-285-0x000001CAA8720000-0x000001CAA8721000-memory.dmp

                            memory/2472-283-0x000001CAA8720000-0x000001CAA8721000-memory.dmp

                            memory/3536-19-0x00007FFD8C0A0000-0x00007FFD8C0A1000-memory.dmp

                            memory/5940-102-0x00007FFD8C0A0000-0x00007FFD8C0A1000-memory.dmp