Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/07/2026, 21:50

General

  • Target
    keyauth.exe
  • Size 9.8MB
  • Sample260704-1p7gfaev2v
  • SHA256 460d55eaa129342bf825e769a0324052a6bac283084748080b8b8166c5311b52
  • 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 64 IoCs
  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • 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 system certificate store 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\keyauth.exe
    "C:\Users\Admin\AppData\Local\Temp\keyauth.exe"
    1⤵
    • Checks whether UAC is enabled
    • Modifies trusted root certificate store through registry
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:5640
    • 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=keyauth.exe --user-data-dir="C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=5640.2888.10661348215511593458 /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:4660
      • 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\Roaming\keyauth.exe\EBWebView /prefetch:4 /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\keyauth.exe\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,0x160,0x194,0x7ff9a0b65fd8,0x7ff9a0b65fe4,0x7ff9a0b65ff0
        3⤵
          PID:6080
        • 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\Roaming\keyauth.exe\EBWebView" --webview-exe-name=keyauth.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1812 --field-trial-handle=1816,i,6467429472669827219,17327029080674038394,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576
          3⤵
            PID:5964
          • 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\Roaming\keyauth.exe\EBWebView" --webview-exe-name=keyauth.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2156 --field-trial-handle=1816,i,6467429472669827219,17327029080674038394,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576
            3⤵
              PID:1436
            • 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\Roaming\keyauth.exe\EBWebView" --webview-exe-name=keyauth.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2252 --field-trial-handle=1816,i,6467429472669827219,17327029080674038394,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576
              3⤵
                PID:2132
              • 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\Roaming\keyauth.exe\EBWebView" --webview-exe-name=keyauth.exe --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=3536 --field-trial-handle=1816,i,6467429472669827219,17327029080674038394,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576 /prefetch:1
                3⤵
                  PID:1384
                • 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\Roaming\keyauth.exe\EBWebView" --webview-exe-name=keyauth.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=1932 --field-trial-handle=1816,i,6467429472669827219,17327029080674038394,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576
                  3⤵
                    PID:5448
                  • 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\Roaming\keyauth.exe\EBWebView" --webview-exe-name=keyauth.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=820 --field-trial-handle=1816,i,6467429472669827219,17327029080674038394,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576
                    3⤵
                      PID:1792
                    • 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\Roaming\keyauth.exe\EBWebView" --webview-exe-name=keyauth.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=4604 --field-trial-handle=1816,i,6467429472669827219,17327029080674038394,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576
                      3⤵
                        PID:1416
                      • 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\Roaming\keyauth.exe\EBWebView" --webview-exe-name=keyauth.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=4536 --field-trial-handle=1816,i,6467429472669827219,17327029080674038394,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:5016
                      • 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\Roaming\keyauth.exe\EBWebView" --webview-exe-name=keyauth.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2204 --field-trial-handle=1816,i,6467429472669827219,17327029080674038394,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:f018472391543a2c1e8274467872bb4e8fd69576
                        3⤵
                          PID:4984

                    Network

                          MITRE ATT&CK Enterprise v16

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          settings.dat

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Crashpad\settings.dat
                          • Size 280B
                          • SHA256 8f810a089ae1cf36a2780dcd9358ac59ff510041d92541a05d8008e795ebd62f
                          • MD5 SHA1 SHA512

                          settings.dat

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Crashpad\settings.dat
                          • Size 280B
                          • SHA256 67f09213ad08407c63cc49a7b68ff96e9bd2d96925f0c695a5e574b7ac6a2e84
                          • MD5 SHA1 SHA512 TLSH

                          throttle_store.dat

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Crashpad\throttle_store.dat
                          • Size 20B
                          • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                          • MD5 SHA1 SHA512

                          CURRENT

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Default\Extension Rules\CURRENT
                          • Size 16B
                          • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                          • MD5 SHA1 SHA512

                          MANIFEST-000001

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Default\Extension Scripts\MANIFEST-000001
                          • Size 41B
                          • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                          • MD5 SHA1 SHA512

                          Network Persistent State

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Default\Network\Network Persistent State
                          • Size 785B
                          • SHA256 af43e24459b5f172e9dc7dc4a27ac7f995f4ec5f30b111cc373f7c64c819ea9e
                          • MD5 SHA1 SHA512 TLSH

                          Network Persistent State~RFe59cb55.TMP

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Default\Network\Network Persistent State~RFe59cb55.TMP
                          • Size 59B
                          • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                          • MD5 SHA1 SHA512 TLSH

                          SCT Auditing Pending Reports

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Default\Network\SCT Auditing Pending Reports
                          • Size 2B
                          • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                          • MD5 SHA1 SHA512

                          Preferences

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Default\Preferences
                          • Size 6KB
                          • SHA256 ad35e29f86d1aa9d96f93fc2db1e8e145cc4cf574824523cdff8e30d88efb2d3
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          f0231db5-d49c-4160-aa1e-585eaab2e7ca.tmp

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Default\f0231db5-d49c-4160-aa1e-585eaab2e7ca.tmp
                          • Size 6KB
                          • SHA256 5ee268f9f9ba1dab784559cc27df7222c45e442595762c2b05c325ba231c4a07
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          data_0

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\GraphiteDawnCache\data_0
                          • Size 8KB
                          • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                          • MD5 SHA1 SHA512 SSDEEP

                          data_2

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\GraphiteDawnCache\data_2
                          • Size 8KB
                          • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                          • MD5 SHA1 SHA512 SSDEEP

                          data_3

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\GraphiteDawnCache\data_3
                          • Size 8KB
                          • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                          • MD5 SHA1 SHA512 SSDEEP

                          Local State

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Local State
                          • Size 2KB
                          • SHA256 907bcf176a32cdd70848eb3b3b0321e156083bbb8b755560e8645c3aa700fa75
                          • MD5 SHA1 SHA512 TLSH

                          Local State

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Local State
                          • Size 3KB
                          • SHA256 c73c33d7a50bb1d9932f93fbc953d406f953e4359c1ac826b2ddca8e940b030c
                          • MD5 SHA1 SHA512 TLSH

                          Local State

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Local State
                          • Size 15KB
                          • SHA256 2cf0f98dbf1b7c581fe7f0100178b946e4e8f31eb2be7afddb21f9c5a4c727a3
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          Local State~RFe58b64b.TMP

                          • Path C:\Users\Admin\AppData\Roaming\keyauth.exe\EBWebView\Local State~RFe58b64b.TMP
                          • Size 1KB
                          • SHA256 19fe1604c61b920fd1cbb15864ee7be6d216f883df6a98dff50de5e906df0d28
                          • MD5 SHA1 SHA512 TLSH

                          hyph-bn.hyb

                          • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping4660_126044447\hyph-bn.hyb
                          • Size 703B
                          • SHA256 c2784e33158a807135850f7125a7eaabe472b3cfc7afb82c74f02da69ea250fe
                          • MD5 SHA1 SHA512 TLSH

                          hyph-mr.hyb

                          • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping4660_126044447\hyph-mr.hyb
                          • Size 687B
                          • SHA256 f4df224d459fd111698dd5a13613c5bbf0ed11f04278d60230d028010eac0c42
                          • MD5 SHA1 SHA512 TLSH

                          hyph-nn.hyb

                          • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping4660_126044447\hyph-nn.hyb
                          • Size 141KB
                          • SHA256 5bcbb58eaf65f13f6d039244d942f37c127344e3a0a2e6c32d08236945132809
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          memory/1384-126-0x00007FF9C1C60000-0x00007FF9C1C61000-memory.dmp

                          memory/5016-483-0x000001849B200000-0x000001849B201000-memory.dmp

                          memory/5016-478-0x000001849B200000-0x000001849B201000-memory.dmp

                          memory/5016-476-0x000001849B200000-0x000001849B201000-memory.dmp

                          memory/5016-484-0x000001849B200000-0x000001849B201000-memory.dmp

                          memory/5016-487-0x000001849B200000-0x000001849B201000-memory.dmp

                          memory/5016-486-0x000001849B200000-0x000001849B201000-memory.dmp

                          memory/5016-485-0x000001849B200000-0x000001849B201000-memory.dmp

                          memory/5016-482-0x000001849B200000-0x000001849B201000-memory.dmp

                          memory/5448-231-0x00007FF9C1F60000-0x00007FF9C1F61000-memory.dmp

                          memory/5448-230-0x00007FF9C2B40000-0x00007FF9C2B41000-memory.dmp

                          memory/5640-0-0x00000000278A0000-0x00000000278BF000-memory.dmp

                          memory/5964-33-0x00007FF9C1C60000-0x00007FF9C1C61000-memory.dmp