Analysis

  • user interaction
    yes
  • max time kernel
    49s
  • max time network
    50s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/04/2026, 17:47

General

  • Target
    jjsploit_8.17.7_x64_en-US.msi
  • Size 6.1MB
  • Sample260426-wdbheadw3x
  • SHA256 c47f34e3b353518f5a81800b2e1ebbc0e0a14afbc843d760c5d187f3d8262e93
  • 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
  • Contacts third-party web service commonly abused for C2 1 TTPs 6 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • 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 10 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 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.

  • 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 5 IoCs
  • Modifies registry class 26 IoCs
  • Modifies system certificate store 2 TTPs 6 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 WriteProcessMemory 14 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_8.17.7_x64_en-US.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Program Files\jjsploit\jjsploit.exe
      "C:\Program Files\jjsploit\jjsploit.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Modifies trusted root certificate store through registry
      • Modifies system certificate store
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3580
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=jjsploit.exe --webview-exe-version=8.17.7 --user-data-dir="C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --lang=en-US --mojo-named-platform-channel-pipe=3580.4308.9231647958328698242
        3⤵
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:2544
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x15c,0x160,0x164,0x138,0x16c,0x7ff8a7a3b078,0x7ff8a7a3b084,0x7ff8a7a3b090
          4⤵
            PID:4560
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView" --webview-exe-name=jjsploit.exe --webview-exe-version=8.17.7 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1676,i,3927082639014251636,4075313351052538318,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1740 /prefetch:2
            4⤵
              PID:1512
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView" --webview-exe-name=jjsploit.exe --webview-exe-version=8.17.7 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2052,i,3927082639014251636,4075313351052538318,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2064 /prefetch:3
              4⤵
                PID:2480
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView" --webview-exe-name=jjsploit.exe --webview-exe-version=8.17.7 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2384,i,3927082639014251636,4075313351052538318,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2392 /prefetch:8
                4⤵
                  PID:4284
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView" --webview-exe-name=jjsploit.exe --webview-exe-version=8.17.7 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --video-capture-use-gpu-memory-buffer --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=" --always-read-main-dll --field-trial-handle=3684,i,3927082639014251636,4075313351052538318,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3704 /prefetch:1
                  4⤵
                    PID:1084
            • 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 WriteProcessMemory
              PID:3296
              • C:\Windows\syswow64\MsiExec.exe
                C:\Windows\syswow64\MsiExec.exe -Embedding BFFDAD01CF27F775F39F919C972D239D C
                2⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:1460
              • C:\Windows\system32\srtasks.exe
                C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
                2⤵
                  PID:4592
              • C:\Windows\system32\vssvc.exe
                C:\Windows\system32\vssvc.exe
                1⤵
                • Checks SCSI registry key(s)
                PID:3056

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    e58a15d.rbs

                    • Path C:\Config.Msi\e58a15d.rbs
                    • Size 21KB
                    • SHA256 c3f5e5497b4cc2a902614812e414eec321396278ca8c7b57d1ebb9b240a571c7
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    jjsploit.exe

                    • Path C:\Program Files\jjsploit\jjsploit.exe
                    • Size 17.9MB
                    • SHA256 1d0917b788584e0b5f3687632260d0605d3cbd075949d77c810df907cf13df53
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    jjsploit.lnk

                    • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\jjsploit\jjsploit.lnk
                    • Size 1KB
                    • SHA256 0b5317b14f38e865de1ba9741241c27031d74f35a47e780a39771b2d599f7596
                    • MD5 SHA1 SHA512 TLSH

                    jjsploit.lnk~RFe58a478.TMP

                    • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\jjsploit\jjsploit.lnk~RFe58a478.TMP
                    • Size 1KB
                    • SHA256 e2b1ed1915f1832d32ff9905656fc6835d7b0ed27f618a2eaba6eda8950a0101
                    • MD5 SHA1 SHA512 TLSH

                    MSI67DD.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\MSI67DD.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 062ca3a8dcc828959a30cd06436cb94f399ad915d37d51e4b8e710ca195fbf60
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 890dd151cef6e95add62453126b2e830c85fdabca8b0aaefcd06ddc0c68353bb
                    • 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

                    data_0

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

                    data_1

                    • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Default\DawnWebGPUCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

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

                    data_3

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

                    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\Sync Data\LevelDB\MANIFEST-000001
                    • Size 41B
                    • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                    • MD5 SHA1 SHA512

                    Local State

                    • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State
                    • Size 1KB
                    • SHA256 b5ec082f0cad95e4252711220130121dda28bc15b2eb141a6babba874580ffdd
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State
                    • Size 2KB
                    • SHA256 b897079db292de8391edd3f0e44aaebc685ea14f76d5e25e474cc92105702afc
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State
                    • Size 3KB
                    • SHA256 c6e11f1e5e0da25bcdc38f58121159f11b0e481262306c8edf5bc37f93ec6267
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State
                    • Size 16KB
                    • SHA256 fc15741565913e64be7bc1761a92e7a0a25543521d9e6fdd9dc7dd4aec10d40e
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State~RFe58bdcd.TMP

                    • Path C:\Users\Admin\AppData\Local\net.wearedevs\EBWebView\Local State~RFe58bdcd.TMP
                    • Size 1KB
                    • SHA256 2043e28da84890517205a6e78f31e049a0939877d2b9b4295b9a00675f5cea99
                    • MD5 SHA1 SHA512 TLSH

                    e58a15c.msi

                    • Path C:\Windows\Installer\e58a15c.msi
                    • Size 6.1MB
                    • SHA256 c47f34e3b353518f5a81800b2e1ebbc0e0a14afbc843d760c5d187f3d8262e93
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    metadata-2

                    • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                    • Size 24.1MB
                    • SHA256 418d9608d288b4ae1afc77c037dc083d3d7e97670be7e756b7e845ae86bcf5e7
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    {739b2596-e1fb-427b-968b-cc23fda7da03}_OnDiskSnapshotProp

                    • Path \??\Volume{cb34a3fb-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{739b2596-e1fb-427b-968b-cc23fda7da03}_OnDiskSnapshotProp
                    • Size 6KB
                    • SHA256 b9c33614274e5718058bf916d8ce705f204d6adf5ca6483c558f15383d1c74a2
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/1084-210-0x00007FF8C56D0000-0x00007FF8C56D1000-memory.dmp

                    memory/1512-325-0x000002B867A60000-0x000002B867B0D000-memory.dmp

                    memory/1512-93-0x00007FF8C56D0000-0x00007FF8C56D1000-memory.dmp

                    memory/2544-304-0x0000014C0F380000-0x0000014C0F3BB000-memory.dmp

                    memory/2544-301-0x0000014C07690000-0x0000014C076BC000-memory.dmp

                    memory/2544-303-0x0000014C0F350000-0x0000014C0F377000-memory.dmp

                    memory/2544-302-0x0000014C076C0000-0x0000014C076CC000-memory.dmp

                    memory/2544-300-0x0000014C05600000-0x0000014C056AD000-memory.dmp

                    memory/2920-4-0x000002AFF87A0000-0x000002AFF884D000-memory.dmp

                    memory/2920-66-0x000002AFF87A0000-0x000002AFF884D000-memory.dmp

                    memory/3296-155-0x0000026E6B1D0000-0x0000026E6B27D000-memory.dmp

                    memory/3580-298-0x000001E3A7240000-0x000001E3A72ED000-memory.dmp

                    memory/3580-299-0x000001E3A9080000-0x000001E3A908C000-memory.dmp

                    memory/3580-330-0x000001E3A7240000-0x000001E3A72ED000-memory.dmp

                    memory/4284-130-0x00007FF8C6C60000-0x00007FF8C6C61000-memory.dmp

                    memory/4284-131-0x00007FF8C5590000-0x00007FF8C5591000-memory.dmp

                    memory/4592-72-0x000002C958310000-0x000002C9583BD000-memory.dmp