Resubmissions

04/08/2026, 00:58

260804-bbndzaej8t8

04/08/2026, 00:54

260804-a9c58aej7s8

Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 00:54

General

  • Target
    SteupX.exe
  • Size 9.6MB
  • Sample260804-a9c58aej7s
  • SHA256 6698bc6495e96b8a6654e96369d6ab54a64b3da5d7bfde56f164c10c2afca24d
  • 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 24 IoCs
  • Enumerates system info in registry 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SteupX.exe
    "C:\Users\Admin\AppData\Local\Temp\SteupX.exe"
    1⤵
    • Checks whether UAC is enabled
    • Enumerates system info in registry
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5160
    • 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=SteupX.exe --webview-exe-version=0.1.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --enable-features=MojoIpcz --lang=en-US --accept-lang=en-US --mojo-named-platform-channel-pipe=5160.2188.5515033713712413197 /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1380
      • 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.Setup.app\EBWebView /prefetch:4 /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.Setup.app\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=0x184,0x188,0x18c,0x160,0x194,0x7ff903dc5fd8,0x7ff903dc5fe4,0x7ff903dc5ff0
        3⤵
          PID:2248
        • 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.Setup.app\EBWebView" --webview-exe-name=SteupX.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1740 --field-trial-handle=1744,i,3673756977291032751,1631280106582112601,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744
          3⤵
            PID:1992
          • 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.Setup.app\EBWebView" --webview-exe-name=SteupX.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2112 --field-trial-handle=1744,i,3673756977291032751,1631280106582112601,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744
            3⤵
              PID:2804
            • 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.Setup.app\EBWebView" --webview-exe-name=SteupX.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2404 --field-trial-handle=1744,i,3673756977291032751,1631280106582112601,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744
              3⤵
                PID:4264
              • 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.Setup.app\EBWebView" --webview-exe-name=SteupX.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --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=3416 --field-trial-handle=1744,i,3673756977291032751,1631280106582112601,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744 /prefetch:1
                3⤵
                  PID:2796
                • 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.Setup.app\EBWebView" --webview-exe-name=SteupX.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2024 --field-trial-handle=1744,i,3673756977291032751,1631280106582112601,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744
                  3⤵
                    PID:2356
                  • 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.Setup.app\EBWebView" --webview-exe-name=SteupX.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=4324 --field-trial-handle=1744,i,3673756977291032751,1631280106582112601,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744
                    3⤵
                      PID:4052
                    • 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.Setup.app\EBWebView" --webview-exe-name=SteupX.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=4428 --field-trial-handle=1744,i,3673756977291032751,1631280106582112601,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744
                      3⤵
                        PID:5852
                      • 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.Setup.app\EBWebView" --webview-exe-name=SteupX.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2032 --field-trial-handle=1744,i,3673756977291032751,1631280106582112601,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:2836
                      • 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.Setup.app\EBWebView" --webview-exe-name=SteupX.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=1744,i,3673756977291032751,1631280106582112601,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:6990462dabad1bb125e032def195bfd38c5d3744
                        3⤵
                          PID:4344

                    Network

                          MITRE ATT&CK Enterprise v16

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          settings.dat

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Crashpad\settings.dat
                          • Size 280B
                          • SHA256 a6225addc37fd13fe3c14ba4939309e6c09c9ac8a6da02d5fac94565fcb13883
                          • MD5 SHA1 SHA512 TLSH

                          settings.dat

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Crashpad\settings.dat
                          • Size 280B
                          • SHA256 5005b4a234474e8422eb20adcd2aa2162de51092d72b6e4e61549eea943715e3
                          • MD5 SHA1 SHA512 TLSH

                          throttle_store.dat

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Crashpad\throttle_store.dat
                          • Size 20B
                          • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                          • MD5 SHA1 SHA512

                          20aaee21-12a9-479b-9d35-8650914ae160.tmp

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Default\20aaee21-12a9-479b-9d35-8650914ae160.tmp
                          • Size 6KB
                          • SHA256 5501ec9f81217ea3e325a5ef29397c951dbd70e1a68737304c457c8ba3e49f90
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          the-real-index

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                          • Size 72B
                          • SHA256 10c25551742b1c40a3843fed0e79e4751fb80a9e7392f4bd02debc4b941e2014
                          • MD5 SHA1 SHA512 TLSH

                          the-real-index~RFe5985a1.TMP

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe5985a1.TMP
                          • Size 48B
                          • SHA256 e430af836f390a6e5d02f780ee6ff4f80814011385feed9059bbe8fb7d2b7d7a
                          • MD5 SHA1 SHA512

                          CURRENT

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Default\Extension Rules\CURRENT
                          • Size 16B
                          • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                          • MD5 SHA1 SHA512

                          MANIFEST-000001

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

                          Network Persistent State

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Default\Network\Network Persistent State
                          • Size 358B
                          • SHA256 c039af672e62e09591a76dc91d269bc829c515844535af68ecfbbc2a5627d3e2
                          • MD5 SHA1 SHA512 TLSH

                          Network Persistent State

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Default\Network\Network Persistent State
                          • Size 59B
                          • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                          • MD5 SHA1 SHA512 TLSH

                          SCT Auditing Pending Reports

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

                          Preferences

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Default\Preferences
                          • Size 6KB
                          • SHA256 24b5673bef58f4b988a1a37431d09b2892777268635b7a1a9a6042596fc50b74
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          data_0

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\GraphiteDawnCache\data_0
                          • Size 8KB
                          • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                          • MD5 SHA1 SHA512 SSDEEP

                          data_1

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

                          data_2

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\GraphiteDawnCache\data_2
                          • Size 8KB
                          • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                          • MD5 SHA1 SHA512 SSDEEP

                          data_3

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\GraphiteDawnCache\data_3
                          • Size 8KB
                          • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                          • MD5 SHA1 SHA512 SSDEEP

                          Local State

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Local State
                          • Size 2KB
                          • SHA256 be9e17582ba7d51dfbcb9f5f5a8f46c340e1b5cf848fcf093c32081cc2655789
                          • MD5 SHA1 SHA512 TLSH

                          Local State

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Local State
                          • Size 3KB
                          • SHA256 5e37a9c8a5f7aed866a2e89c5a18acc9e5b3e86b9f20e8ca950c3ce762df5828
                          • MD5 SHA1 SHA512 TLSH

                          Local State

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Local State
                          • Size 15KB
                          • SHA256 bd57573bf45184e4e78f8cccd7b5f429bf929e4e06fbee82a60b4d0269b17534
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          Local State~RFe5932de.TMP

                          • Path C:\Users\Admin\AppData\Local\com.Setup.app\EBWebView\Local State~RFe5932de.TMP
                          • Size 1KB
                          • SHA256 e5a9a831e237c3196f7c335ae797ab0caecc135945fdfa1244322736abccb624
                          • MD5 SHA1 SHA512 TLSH

                          memory/1992-19-0x00007FF9255D0000-0x00007FF9255D1000-memory.dmp

                          memory/2356-249-0x00007FF925CC0000-0x00007FF925CC1000-memory.dmp

                          memory/2356-250-0x00007FF924790000-0x00007FF924791000-memory.dmp

                          memory/2796-92-0x00007FF9255D0000-0x00007FF9255D1000-memory.dmp

                          memory/2836-350-0x00000178E7E20000-0x00000178E7E21000-memory.dmp

                          memory/2836-355-0x00000178E7E20000-0x00000178E7E21000-memory.dmp

                          memory/2836-358-0x00000178E7E20000-0x00000178E7E21000-memory.dmp

                          memory/2836-359-0x00000178E7E20000-0x00000178E7E21000-memory.dmp

                          memory/2836-357-0x00000178E7E20000-0x00000178E7E21000-memory.dmp

                          memory/2836-356-0x00000178E7E20000-0x00000178E7E21000-memory.dmp

                          memory/2836-354-0x00000178E7E20000-0x00000178E7E21000-memory.dmp

                          memory/2836-348-0x00000178E7E20000-0x00000178E7E21000-memory.dmp