Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 15:39

General

  • Target
    jjsploit_8.17.9_x64_en-US.msi
  • Size 6.0MB
  • Sample260710-s3l4naev9v
  • SHA256 d60041d15a1294a6fb436d20bff8e2cfaffd6b61aeddd504aadd1a35dc7f5ddd
  • 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 22 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.

  • 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 23 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_8.17.9_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:792
    • 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:240
      • 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=8.17.9 --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=240.908.6316901810825911523 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
        3⤵
        • Drops file in Windows directory
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:824
        • 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,0x160,0x194,0x7ffca57a5fd8,0x7ffca57a5fe4,0x7ffca57a5ff0
          4⤵
            PID:3556
          • 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=8.17.9 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1660 --field-trial-handle=1804,i,7477332894450375258,14187041103088390056,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
            4⤵
              PID:548
            • 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=8.17.9 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2244 --field-trial-handle=1804,i,7477332894450375258,14187041103088390056,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
              4⤵
                PID:3800
              • 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=8.17.9 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2308 --field-trial-handle=1804,i,7477332894450375258,14187041103088390056,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
                4⤵
                  PID:3424
                • 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=8.17.9 --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=3324 --field-trial-handle=1804,i,7477332894450375258,14187041103088390056,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f /prefetch:1
                  4⤵
                    PID:5848
                  • 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=8.17.9 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4440 --field-trial-handle=1804,i,7477332894450375258,14187041103088390056,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
                    4⤵
                      PID:2020
                    • 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=8.17.9 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=820 --field-trial-handle=1804,i,7477332894450375258,14187041103088390056,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:29c3566ed9441bce44d52060c3c564a95f18725f
                      4⤵
                        PID:4680
                • 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:3780
                  • C:\Windows\syswow64\MsiExec.exe
                    C:\Windows\syswow64\MsiExec.exe -Embedding AF828BA191737E341A152D34E9E4AEAA C
                    2⤵
                    • Loads dropped DLL
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of SetWindowsHookEx
                    PID:1448
                • C:\Windows\system32\vssvc.exe
                  C:\Windows\system32\vssvc.exe
                  1⤵
                    PID:3760

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        e59523e.rbs

                        • Path C:\Config.Msi\e59523e.rbs
                        • Size 21KB
                        • SHA256 ee10260bebfda0d4c570d6297bf762e931fd667956b6293a98ca5922c8c7d9c9
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        jjsploit.exe

                        • Path C:\Program Files\jjsploit\jjsploit.exe
                        • Size 17.6MB
                        • SHA256 75c45301f7a6632b67934cd30bb08d4c322c55b9e68d2a6edbc5873982cbcbe8
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        jjsploit.lnk

                        • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\jjsploit\jjsploit.lnk
                        • Size 1KB
                        • SHA256 4cc371ab737fc105bcc25848390ec3ced83711c59f52cab39408c6d01a366353
                        • MD5 SHA1 SHA512 TLSH

                        jjsploit.lnk~RFe5956b1.TMP

                        • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\jjsploit\jjsploit.lnk~RFe5956b1.TMP
                        • Size 1KB
                        • SHA256 f9bbfd6db69ab8118a92831dc7393e781ac2274dc3523441b0a2255f2514643e
                        • MD5 SHA1 SHA512 TLSH

                        MSI3743.tmp

                        • Path C:\Users\Admin\AppData\Local\Temp\MSI3743.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 544c4ad1bedff1d0363b825619150410f122e09211a5c12c336450d33ca60ee7
                        • MD5 SHA1 SHA512

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 cfdc6e05f0e3ac3d379e0e03273752db86f90a52229605d73b657f6965d8904e
                        • 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

                        67083895-ec2c-47de-b66c-d93294628e35.tmp

                        • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\67083895-ec2c-47de-b66c-d93294628e35.tmp
                        • Size 6KB
                        • SHA256 7575c00fb54f510dfa2b7597176ec8abf07d263254eaa3b3fd99312188db6dff
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        the-real-index

                        • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                        • Size 144B
                        • SHA256 33d485ef2cab2469242da29bc39ea8680308125ff4ebb0ca2752c709469f3339
                        • MD5 SHA1 SHA512 TLSH

                        the-real-index~RFe59c857.TMP

                        • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe59c857.TMP
                        • Size 48B
                        • SHA256 511176cbf4d762520f0cd92c5cd4af34a0ccb9286932b92e1464682b4ec61fe6
                        • MD5 SHA1 SHA512

                        Network Persistent State

                        • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\Network\Network Persistent State
                        • Size 2KB
                        • SHA256 ba1683979a4aa824ab2d5cdac61dea8014744ad1fe0af0cd13621c5b561b3582
                        • MD5 SHA1 SHA512 TLSH

                        Network Persistent State~RFe5a87fe.TMP

                        • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\Network\Network Persistent State~RFe5a87fe.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\Sync Data\LevelDB\CURRENT
                        • Size 16B
                        • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                        • MD5 SHA1 SHA512

                        MANIFEST-000001

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

                        data_0

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

                        data_1

                        • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\GraphiteDawnCache\data_1
                        • Size 264KB
                        • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                        • 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 15KB
                        • SHA256 9e6e1a6874db588b59cb3150b6657ce1c9422a849a8d5cae1c03dfb9aab85dbf
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State
                        • Size 2KB
                        • SHA256 44778588b5988848eee61e7eed09fd1466f6a4996cb76b9a242e4deff5c75677
                        • MD5 SHA1 SHA512 TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State
                        • Size 3KB
                        • SHA256 a1a54382f4258a7794452110fdc0af4b0881ebe0cb8b6c93c8c253891f53cca5
                        • MD5 SHA1 SHA512 TLSH

                        Local State~RFe5972e4.TMP

                        • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State~RFe5972e4.TMP
                        • Size 1KB
                        • SHA256 06c498be585c216d4af952b0c4ad34b506d7c40ffbb198cf3a6eecf00b9ffc53
                        • MD5 SHA1 SHA512 TLSH

                        e59523d.msi

                        • Path C:\Windows\Installer\e59523d.msi
                        • Size 6.0MB
                        • SHA256 d60041d15a1294a6fb436d20bff8e2cfaffd6b61aeddd504aadd1a35dc7f5ddd
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        memory/548-85-0x00007FFCC7B80000-0x00007FFCC7B81000-memory.dmp

                        memory/2020-320-0x00007FFCC9520000-0x00007FFCC9521000-memory.dmp

                        memory/2020-319-0x00007FFCC82B0000-0x00007FFCC82B1000-memory.dmp

                        memory/5848-265-0x00000157C0060000-0x00000157C00D4000-memory.dmp

                        memory/5848-126-0x00007FFCC7B80000-0x00007FFCC7B81000-memory.dmp