Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/08/2026, 05:57

General

  • Target
    jjsploit_8.19.3_x64_en-US.msi
  • Size 6.1MB
  • Sample260823-gn3bjstbkf
  • SHA256 f42dcd90b4a3228fffa331b0143cbee0b85a6b3137aca4cddc1231fd00d18765
  • 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 21 IoCs
  • Drops file in Windows directory 18 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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 21 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\jjsploit_8.19.3_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:5392
    • C:\Program Files\jjsploit\jjsploit.exe
      "C:\Program Files\jjsploit\jjsploit.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2556
      • 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=jjsploit.exe --webview-exe-version=8.19.3 --user-data-dir="C:\Users\Admin\AppData\Local\net.wearedevs\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=2556.4472.17065598628707707194 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
        3⤵
        • Drops file in Windows directory
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        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=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView /prefetch:4 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\net.wearedevs\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,0x160,0x194,0x7ff8477f5fd8,0x7ff8477f5fe4,0x7ff8477f5ff0
          4⤵
            PID:1708
          • 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\net.wearedevs\EBWebView" --webview-exe-name=jjsploit.exe --webview-exe-version=8.19.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1756 --field-trial-handle=1736,i,7405534825271091161,179030008146590612,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
            4⤵
              PID:4828
            • 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\net.wearedevs\EBWebView" --webview-exe-name=jjsploit.exe --webview-exe-version=8.19.3 --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=1736,i,7405534825271091161,179030008146590612,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
              4⤵
                PID:4580
              • 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\net.wearedevs\EBWebView" --webview-exe-name=jjsploit.exe --webview-exe-version=8.19.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2280 --field-trial-handle=1736,i,7405534825271091161,179030008146590612,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
                4⤵
                  PID:4576
                • 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\net.wearedevs\EBWebView" --webview-exe-name=jjsploit.exe --webview-exe-version=8.19.3 --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=3012 --field-trial-handle=1736,i,7405534825271091161,179030008146590612,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f /prefetch:1
                  4⤵
                    PID:4488
                  • 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\net.wearedevs\EBWebView" --webview-exe-name=jjsploit.exe --webview-exe-version=8.19.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4556 --field-trial-handle=1736,i,7405534825271091161,179030008146590612,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
                    4⤵
                      PID:3284
              • 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:828
                • C:\Windows\syswow64\MsiExec.exe
                  C:\Windows\syswow64\MsiExec.exe -Embedding 374D17725A4649BF19083AE0176743D2 C
                  2⤵
                  • Loads dropped DLL
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of SetWindowsHookEx
                  PID:4384
                • C:\Windows\system32\srtasks.exe
                  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
                  2⤵
                    PID:1744
                • C:\Windows\system32\vssvc.exe
                  C:\Windows\system32\vssvc.exe
                  1⤵
                  • Checks SCSI registry key(s)
                  PID:4908

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      e5a0041.rbs

                      • Path C:\Config.Msi\e5a0041.rbs
                      • Size 21KB
                      • SHA256 b6341db0ebed2d8fc2000f62c7e55f6d000fd7fef67097cb567ef3fdf13aeb13
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      jjsploit.exe

                      • Path C:\Program Files\jjsploit\jjsploit.exe
                      • Size 17.7MB
                      • SHA256 dbfcf21e609a33ac7ed200a62a664c6d67e1fdbf06a41e3c677e3201ee5d9628
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      jjsploit.lnk

                      • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\jjsploit\jjsploit.lnk
                      • Size 1KB
                      • SHA256 3affcb5340260e637040a25e642af0c94dfe3bfb4e4ddee3a310ffeab299603e
                      • MD5 SHA1 SHA512 TLSH

                      jjsploit.lnk~RFe5a082f.TMP

                      • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\jjsploit\jjsploit.lnk~RFe5a082f.TMP
                      • Size 1KB
                      • SHA256 d5a4e8fbef1e9f23b45eaa3b8a1e788fb6798272ea3e73b4376bcd664c085aaf
                      • MD5 SHA1 SHA512 TLSH

                      MSI7AB4.tmp

                      • Path C:\Users\Admin\AppData\Local\Temp\MSI7AB4.tmp
                      • Size 132KB
                      • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 e258906d4af290f4fc6b381135a39aedfbffb5da25310710fe839475490d5429
                      • MD5 SHA1 SHA512

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 f60c216aa4622251412141998b0187d40cee390d753830b3ded2ed9c2624c1af
                      • MD5 SHA1 SHA512 TLSH

                      throttle_store.dat

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

                      the-real-index

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                      • Size 144B
                      • SHA256 b11894b9901251e60a460756b6461946e6c0be0824b1acf2af9810df339a0e12
                      • MD5 SHA1 SHA512 TLSH

                      the-real-index~RFe5a7977.TMP

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe5a7977.TMP
                      • Size 48B
                      • SHA256 9de01ee5fa2f97b094997c664a1dd76677ed0ecdbfeb69724b3823f2d63d604e
                      • MD5 SHA1 SHA512

                      data_1

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\DawnCache\data_1
                      • Size 264KB
                      • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                      • MD5 SHA1 SHA512 SSDEEP

                      MANIFEST-000001

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

                      Network Persistent State

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\Network\Network Persistent State
                      • Size 2KB
                      • SHA256 b1d136d8549ea83e10e810a3f5209d6c375f7eed171832c8c8462c134136d8b1
                      • MD5 SHA1 SHA512 TLSH

                      Network Persistent State~RFe5b37f5.TMP

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\Network\Network Persistent State~RFe5b37f5.TMP
                      • Size 59B
                      • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                      • MD5 SHA1 SHA512 TLSH

                      SCT Auditing Pending Reports

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

                      CURRENT

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

                      cac7566e-b32b-428e-88fd-be84b293731d.tmp

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\cac7566e-b32b-428e-88fd-be84b293731d.tmp
                      • Size 6KB
                      • SHA256 1b38d1d7c9503060a718319434aeb0d314b02ed72c52ceea7d1585721f81870f
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      data_0

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

                      data_2

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

                      data_3

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

                      Local State

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State
                      • Size 2KB
                      • SHA256 e36dbee95973db6942006bbd1a80476a517b1858632210038dc08cb5042ee11d
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State
                      • Size 3KB
                      • SHA256 5cd9a24ff58c9b83cd55255333db207bb72a1172b1463d479ca11c9416fd22c7
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State
                      • Size 15KB
                      • SHA256 5c484e2e044ee1a916f31938ad41b19e264d74b3cec01bc51f312d35d8119ac8
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Local State~RFe5a23e5.TMP

                      • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State~RFe5a23e5.TMP
                      • Size 1KB
                      • SHA256 54e7f02d8ee0464e460a5f780b8363b47a76f0f6d39ed497f30693d4cc3b7511
                      • MD5 SHA1 SHA512 TLSH

                      e5a0040.msi

                      • Path C:\Windows\Installer\e5a0040.msi
                      • Size 6.1MB
                      • SHA256 f42dcd90b4a3228fffa331b0143cbee0b85a6b3137aca4cddc1231fd00d18765
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      metadata-2

                      • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                      • Size 26.1MB
                      • SHA256 3f75dab41bf47dc772318bda93869606186879ca721022d4674660fa170429c3
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      {1150c197-629f-4c73-836b-962acb6f19b8}_OnDiskSnapshotProp

                      • Path \??\Volume{5d76dc85-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{1150c197-629f-4c73-836b-962acb6f19b8}_OnDiskSnapshotProp
                      • Size 6KB
                      • SHA256 b530a38110245430e9c6fa7c04b632786249fe7c86a000bd4d9917533214b489
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/3284-325-0x00007FF869AB0000-0x00007FF869AB1000-memory.dmp

                      memory/3284-324-0x00007FF86A770000-0x00007FF86A771000-memory.dmp

                      memory/4488-98-0x00007FF86ABE0000-0x00007FF86ABE1000-memory.dmp

                      memory/4828-266-0x000002BF0FB50000-0x000002BF0FC23000-memory.dmp

                      memory/4828-88-0x00007FF86ABE0000-0x00007FF86ABE1000-memory.dmp