Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/11/2026, 08:53

General

  • Target
    AI_yemot_0.1.0_x64_en-US.msi
  • Size 4.2MB
  • Sample261110-ktf72seb82
  • SHA256 acf4ac18dea358efc825cf5c5528672f5c85421b55705e05d5340634b5627bcb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\AI_yemot_0.1.0_x64_en-US.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Program Files\AI_yemot\desktop.exe
      "C:\Program Files\AI_yemot\desktop.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1128
      • 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=desktop.exe --webview-exe-version=0.1.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.aiyemot.app\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=1128.2496.10656061406999731919 /pfhostedapp:0545bdc5ed2c7320671a90baa8aa26c02c1dc704
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:916
        • 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.aiyemot.app\EBWebView /prefetch:4 /pfhostedapp:0545bdc5ed2c7320671a90baa8aa26c02c1dc704 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.aiyemot.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,0x160,0x194,0x7ff9b22e5fd8,0x7ff9b22e5fe4,0x7ff9b22e5ff0
          4⤵
            PID:2944
          • 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.aiyemot.app\EBWebView" --webview-exe-name=desktop.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1796 --field-trial-handle=1800,i,3002861785737735405,1710731363434838184,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:0545bdc5ed2c7320671a90baa8aa26c02c1dc704
            4⤵
              PID:3352
            • 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.aiyemot.app\EBWebView" --webview-exe-name=desktop.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2168 --field-trial-handle=1800,i,3002861785737735405,1710731363434838184,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:0545bdc5ed2c7320671a90baa8aa26c02c1dc704
              4⤵
                PID:6108
              • 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.aiyemot.app\EBWebView" --webview-exe-name=desktop.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2324 --field-trial-handle=1800,i,3002861785737735405,1710731363434838184,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:0545bdc5ed2c7320671a90baa8aa26c02c1dc704
                4⤵
                  PID:5744
                • 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.aiyemot.app\EBWebView" --webview-exe-name=desktop.exe --webview-exe-version=0.1.0 --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=3364 --field-trial-handle=1800,i,3002861785737735405,1710731363434838184,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:0545bdc5ed2c7320671a90baa8aa26c02c1dc704 /prefetch:1
                  4⤵
                    PID:5548
            • C:\Windows\system32\msiexec.exe
              C:\Windows\system32\msiexec.exe /V
              1⤵
              • Enumerates connected drives
              • Drops file in Program Files directory
              • Drops file in Windows directory
              • Modifies data under HKEY_USERS
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4704
              • C:\Windows\syswow64\MsiExec.exe
                C:\Windows\syswow64\MsiExec.exe -Embedding FA382F4B8B5219A53936576A5EE729E6 C
                2⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                • Suspicious use of SetWindowsHookEx
                PID:4344
              • C:\Windows\system32\srtasks.exe
                C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
                2⤵
                  PID:3512
              • C:\Windows\system32\vssvc.exe
                C:\Windows\system32\vssvc.exe
                1⤵
                • Checks SCSI registry key(s)
                PID:4760

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    e5a5e7e.rbs

                    • Path C:\Config.Msi\e5a5e7e.rbs
                    • Size 9KB
                    • SHA256 84122822063d4662a0b32eee2c897543c25e66b87509b3e4947c366fc517ee5d
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    desktop.exe

                    • Path C:\Program Files\AI_yemot\desktop.exe
                    • Size 9.7MB
                    • SHA256 c5b6ae76652c8a8552775b83154390f063e494bf7979958302c73816765fce04
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    AI_yemot.lnk

                    • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\AI_yemot\AI_yemot.lnk
                    • Size 1KB
                    • SHA256 94aa01e2e0c5ece53e05d1ac5b4b6712f632bd1176be1d5b6bda4417b7930907
                    • MD5 SHA1 SHA512 TLSH

                    ~I_yemot.tmp

                    • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\AI_yemot\~I_yemot.tmp
                    • Size 1KB
                    • SHA256 55009a70254293b3ad8704fbd32c5cece93f9e57fe677c12585aa921ab7ba54b
                    • MD5 SHA1 SHA512 TLSH

                    MSI2EF.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\MSI2EF.tmp
                    • Size 132KB
                    • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    5ad201e8-3c54-4542-b40a-c53b8081d8fb.tmp

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\5ad201e8-3c54-4542-b40a-c53b8081d8fb.tmp
                    • Size 4KB
                    • SHA256 ba08777428f354efd83ab438f2f40355299df62d92c04183c80a1491b2635990
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    6b143677-c849-475e-b801-f610ae1dd2db.tmp

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\6b143677-c849-475e-b801-f610ae1dd2db.tmp
                    • Size 3KB
                    • SHA256 937f8af4b53dbccf99e3a7310c18188afe439bd2193f740067cbb3db6810814b
                    • MD5 SHA1 SHA512 TLSH

                    7add7a25-4f07-477c-a105-96b75ad4a40e.tmp

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\7add7a25-4f07-477c-a105-96b75ad4a40e.tmp
                    • Size 3KB
                    • SHA256 a70ba47bc96d984c58588078e6eb7a0b7daf69c78106ec9753ea61664747c632
                    • MD5 SHA1 SHA512 TLSH

                    7f757fe1-463c-4fb1-b8a1-67bd5700ff0a.tmp

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\7f757fe1-463c-4fb1-b8a1-67bd5700ff0a.tmp
                    • Size 3KB
                    • SHA256 ff383906486a8d8edd34b541025231f64dba55e1b0942ef00bd8fe090ec31e69
                    • MD5 SHA1 SHA512 TLSH

                    9c6c8bd8-9939-4703-8c7f-917ae2fd6ca2.tmp

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\9c6c8bd8-9939-4703-8c7f-917ae2fd6ca2.tmp
                    • Size 4KB
                    • SHA256 fc95de6ca8e1b726d24e9a4227449d7e0df1440aae64ab7bc4db98d72824e6e1
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 b8d7eff6c28ce7c3531801cce233ef349455c842d3f7292886723fc710091640
                    • MD5 SHA1 SHA512

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 86e2525f38463cf8826303fbdd43469cce40d57c738b3b14a9e2625342ab4ebb
                    • MD5 SHA1 SHA512 TLSH

                    throttle_store.dat

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

                    temp-index

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\Default\Code Cache\js\index-dir\temp-index
                    • Size 264B
                    • SHA256 00c4466e1a13d40394ee70d88b34ffbf5fecc589e9733ea96e8f721897c2df4f
                    • MD5 SHA1 SHA512 TLSH

                    temp-index

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\Default\Code Cache\wasm\index-dir\temp-index
                    • Size 48B
                    • SHA256 7570bbcdbbecc610d9e0fb097191b02e20f2d54fc7075a5a38c7b1985574decf
                    • MD5 SHA1 SHA512

                    SCT Auditing Pending Reports

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

                    CURRENT

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

                    MANIFEST-000001

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

                    f0f0a229-5322-4206-9894-5b4505d9902c.tmp

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\Default\f0f0a229-5322-4206-9894-5b4505d9902c.tmp
                    • Size 6KB
                    • SHA256 805d3bf81c69d460037a0f8bdec9c9c247ecdb5aaf5a2c76ae7ad382bd4f6b49
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    data_0

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

                    data_2

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

                    data_3

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

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\Local State
                    • Size 1KB
                    • SHA256 fe74715b8722fc2537d34999591042b7fa9d852750e527ddda76dd9211c8967e
                    • MD5 SHA1 SHA512 TLSH

                    bb6cdc29-15f2-458f-b089-0d2e21e5a1d9.tmp

                    • Path C:\Users\Admin\AppData\Local\com.aiyemot.app\EBWebView\bb6cdc29-15f2-458f-b089-0d2e21e5a1d9.tmp
                    • Size 2KB
                    • SHA256 a4631806b2c501b5e22cf79434f92d31132c6c06f770ba49816d06a264a9812e
                    • MD5 SHA1 SHA512 TLSH

                    e5a5e7f.msi

                    • Path C:\Windows\Installer\e5a5e7f.msi
                    • Size 4.2MB
                    • SHA256 acf4ac18dea358efc825cf5c5528672f5c85421b55705e05d5340634b5627bcb
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    metadata-2

                    • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                    • Size 26.1MB
                    • SHA256 fb965459a42b394e813d88806792ba64ac863038d8e3501d2775002adb17ff72
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    {6f861186-bb75-4cf0-a63a-ba8cd7c9b217}_OnDiskSnapshotProp

                    • Path \??\Volume{e3f46304-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{6f861186-bb75-4cf0-a63a-ba8cd7c9b217}_OnDiskSnapshotProp
                    • Size 6KB
                    • SHA256 4f53b0062f54d895ce230c15f6d2eab6eed6a6fb45fa2896d4ed82219ccefb74
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/3352-74-0x00007FF9D4370000-0x00007FF9D4371000-memory.dmp

                    memory/5548-79-0x00007FF9D4370000-0x00007FF9D4371000-memory.dmp