Resubmissions

25/08/2026, 23:29

260825-3glwwaxshw7

25/08/2026, 23:22

260825-3cpf7szfpg7

Analysis

  • user interaction
    yes
  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/08/2026, 23:22

General

  • Target
    Zenkai_x64-setup.exe
  • Size 33.0MB
  • Sample260825-3cpf7szfpg
  • SHA256 a197348472e7413040305c58274588a589ad29e539512f1d5a0f4e6ff25c860d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 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 3 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
  • Kills process with taskkill 2 IoCs
  • Modifies registry class 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Zenkai_x64-setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Zenkai_x64-setup.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM "Zenkai.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4932
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM "Zenkai Dev.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1424
    • C:\Program Files\Zenkai\Zenkai.exe
      "C:\Program Files\Zenkai\Zenkai.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2076
      • 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=Zenkai.exe --webview-exe-version=2.3.24 --user-data-dir="C:\Users\Admin\AppData\Local\com.zenkai.launcher\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=2076.4184.7386287590670247230 /pfhostedapp:8c6b6c4bed23fac97645b4428d6d4bf8c474ed10
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:6104
        • 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.zenkai.launcher\EBWebView /prefetch:4 /pfhostedapp:8c6b6c4bed23fac97645b4428d6d4bf8c474ed10 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.zenkai.launcher\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,0x160,0x194,0x7ffda52e5fd8,0x7ffda52e5fe4,0x7ffda52e5ff0
          4⤵
            PID:5360
          • 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.zenkai.launcher\EBWebView" --webview-exe-name=Zenkai.exe --webview-exe-version=2.3.24 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1788 --field-trial-handle=1792,i,4527614510543442105,6814241395559106645,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:8c6b6c4bed23fac97645b4428d6d4bf8c474ed10
            4⤵
              PID:3452
            • 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.zenkai.launcher\EBWebView" --webview-exe-name=Zenkai.exe --webview-exe-version=2.3.24 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2040 --field-trial-handle=1792,i,4527614510543442105,6814241395559106645,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:8c6b6c4bed23fac97645b4428d6d4bf8c474ed10
              4⤵
                PID:984
              • 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.zenkai.launcher\EBWebView" --webview-exe-name=Zenkai.exe --webview-exe-version=2.3.24 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2424 --field-trial-handle=1792,i,4527614510543442105,6814241395559106645,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:8c6b6c4bed23fac97645b4428d6d4bf8c474ed10
                4⤵
                  PID:5860
                • 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.zenkai.launcher\EBWebView" --webview-exe-name=Zenkai.exe --webview-exe-version=2.3.24 --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=3480 --field-trial-handle=1792,i,4527614510543442105,6814241395559106645,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:8c6b6c4bed23fac97645b4428d6d4bf8c474ed10 /prefetch:1
                  4⤵
                    PID:3680

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  Zenkai.exe

                  • Path C:\Program Files\Zenkai\Zenkai.exe
                  • Size 36.6MB
                  • SHA256 cb9ae55590a275dc36f0f09ca42ac668fc2bed7ce9b8c2367d1f3e21a9bdd2d3
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  System.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\nsm6D68.tmp\System.dll
                  • Size 12KB
                  • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  modern-wizard.bmp

                  • Path C:\Users\Admin\AppData\Local\Temp\nsm6D68.tmp\modern-wizard.bmp
                  • Size 150KB
                  • SHA256 ad62855fe0206bd15b0d3edd61706f50006f9f3b2e2726fc69148a73ab15d4a2
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  nsDialogs.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\nsm6D68.tmp\nsDialogs.dll
                  • Size 9KB
                  • SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  nsExec.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\nsm6D68.tmp\nsExec.dll
                  • Size 7KB
                  • SHA256 b121689861b506dbc9c3797b49bc8a90d555cb7db58cb959165cc758391c00bb
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  nsis_tauri_utils.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\nsm6D68.tmp\nsis_tauri_utils.dll
                  • Size 33KB
                  • SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 6355cddc17c30171c49e891cbb13f3aaf35db8f96db41b60fc5a1867b56eb5dd
                  • MD5 SHA1 SHA512

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 c7ce8dd438cf194a24623a12310fd9ffdf98b02e4cccdd9731e68fa2242d63f4
                  • MD5 SHA1 SHA512 TLSH

                  throttle_store.dat

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

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 1KB
                  • SHA256 99f90e2918c5653271ca6eae3a94ddad189b810e91ce48e04a7e1a81620614ab
                  • MD5 SHA1 SHA512 TLSH

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 dba6d2b945fef67fad89996387f55206d4c9af674ed8b231120440c26eafc5f7
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

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

                  Preferences

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Default\Preferences
                  • Size 6KB
                  • SHA256 474ec03c98a344f4f87f1d5629c29eb1fd29317cf205c53529ae958861fd97f3
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Default\Sync Data\LevelDB\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Default\Sync Data\LevelDB\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  a809fb0b-a4df-438c-af1a-83deac2303d9.tmp

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Default\a809fb0b-a4df-438c-af1a-83deac2303d9.tmp
                  • Size 6KB
                  • SHA256 47102be54e4a60757cc76a33fc58cae3bc92c3ceb03217198f771f1c34c5e7f7
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  data_0

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

                  data_1

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

                  data_2

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

                  data_3

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

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Local State
                  • Size 15KB
                  • SHA256 4cc0883ef2fd332c99f6b4d5a52c996fa778ea2d22d40a4e619e89f5b5719148
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Local State
                  • Size 2KB
                  • SHA256 71775fa129612153abc15861719549e51aed2ec0a873d3934accc5015e642b40
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Local State
                  • Size 3KB
                  • SHA256 7cab71eb67e301d666e03f2a7c6ded35c17d438c79857353397be3385678b81d
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe5af137.TMP

                  • Path C:\Users\Admin\AppData\Local\com.zenkai.launcher\EBWebView\Local State~RFe5af137.TMP
                  • Size 1KB
                  • SHA256 200278372c29f0a0f26ea5f26729e1b5551c9d6821da30412ac4142c6361fe21
                  • 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/3452-132-0x00007FFDC6660000-0x00007FFDC6661000-memory.dmp

                  memory/3680-163-0x00007FFDC6660000-0x00007FFDC6661000-memory.dmp