Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/05/2026, 22:51

General

  • Target
    voidclient.exe
  • Size 10.9MB
  • Sample260503-2s34vsds7n
  • SHA256 fe1ecf93ba392ce84330f5883cdce95c62376f3b320acfb18c865cc2fca3b7e8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Windows directory 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\voidclient.exe
    "C:\Users\Admin\AppData\Local\Temp\voidclient.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4220
    • 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=voidclient.exe --webview-exe-version=1.0.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.nuageux.voidclient\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=4220.4852.11371387282791663372
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:4996
      • 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\com.nuageux.voidclient\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.nuageux.voidclient\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=0x160,0x164,0x168,0x13c,0x170,0x7fff646eb078,0x7fff646eb084,0x7fff646eb090
        3⤵
          PID:4856
        • 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\com.nuageux.voidclient\EBWebView" --webview-exe-name=voidclient.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1712,i,1114544217671114136,3948797036995957273,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1708 /prefetch:2
          3⤵
            PID:3448
          • 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\com.nuageux.voidclient\EBWebView" --webview-exe-name=voidclient.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2020,i,1114544217671114136,3948797036995957273,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2028 /prefetch:11
            3⤵
              PID:408
            • 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\com.nuageux.voidclient\EBWebView" --webview-exe-name=voidclient.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=1716,i,1114544217671114136,3948797036995957273,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2300 /prefetch:13
              3⤵
                PID:808
              • 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\com.nuageux.voidclient\EBWebView" --webview-exe-name=voidclient.exe --webview-exe-version=1.0.0 --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=3548,i,1114544217671114136,3948797036995957273,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3556 /prefetch:1
                3⤵
                  PID:5500
                • 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 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.22000.1 --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView" --webview-exe-name=voidclient.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADoAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAABCAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=4380,i,1114544217671114136,3948797036995957273,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:10
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2416

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 378d552aeb895f3285afeadb78d13237e960e294f723aa9022aa3b024f5aafc0
                  • MD5 SHA1 SHA512

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 0c0d98501da06b1fe73c4216ecebb0a8a88ae486ce72c72981b67233a6a100aa
                  • MD5 SHA1 SHA512 TLSH

                  throttle_store.dat

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

                  148d959d-6084-4739-904c-ad23a61d9dd1.tmp

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Default\148d959d-6084-4739-904c-ad23a61d9dd1.tmp
                  • Size 6KB
                  • SHA256 6a4adf251c8fe1be9d85e8a3a0bd918fd160be0b6bf8485243d57f4c43286017
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 240B
                  • SHA256 5bf0211a7baaa38f203a0dd3768150f9538224acdcb6977e9f8b13f3f3c1b052
                  • MD5 SHA1 SHA512 TLSH

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 94ebfc1556d803bdb7db2ea0a16e42b8203bb189b13d846343657ef85bffea4d
                  • MD5 SHA1 SHA512

                  data_0

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

                  data_1

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

                  data_2

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

                  data_3

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

                  MANIFEST-000001

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

                  SCT Auditing Pending Reports

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

                  Preferences

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Default\Preferences
                  • Size 6KB
                  • SHA256 caee4ec1af4a9f69d23e19ec57d67c7aeb5c15fe7e68063755499814d838ff1c
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  CURRENT

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

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Local State
                  • Size 5KB
                  • SHA256 fa7b2dee2b2b89b29796cf613a49b2ca391faf7504f6057c2e182dcf58578cf2
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Local State
                  • Size 1KB
                  • SHA256 d72eca92496e3e71b0b1a12bb387eeb9c244b492a5856de54bf9a89862863c9e
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Local State
                  • Size 2KB
                  • SHA256 6e5ac5e7ef51f609c0676180788a016618abb12141f0a45d55ba0b2554ef90b9
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Local State
                  • Size 3KB
                  • SHA256 f00e41c6ee787691760098b38703a709230d4d638a27a80933ef5d66d47fe3f9
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Local State
                  • Size 4KB
                  • SHA256 47a29fd0fa5fd63a938fe6bfedf988bd42fdbdabf8ad2b6d1195a5e39fadc9d5
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Local State
                  • Size 4KB
                  • SHA256 5749473136b39cc6f2ec7e56d3ed51c14d95e84f2d5133ebb20012b1b0054340
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Local State
                  • Size 4KB
                  • SHA256 473c4d162a8ff1c6c29c3edbd403ee5f54dd70a00062b65fa436d970cc267261
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Local State
                  • Size 5KB
                  • SHA256 b51b8ba6a7f8220541f9e68e551dcbf178a4bbf8518eec35a476d6e445d68a49
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe57ee29.TMP

                  • Path C:\Users\Admin\AppData\Local\com.nuageux.voidclient\EBWebView\Local State~RFe57ee29.TMP
                  • Size 1KB
                  • SHA256 a44bf784889b2d459e1df60aa71d71fc0465e069d37eccd42f7b03fce7b87240
                  • MD5 SHA1 SHA512 TLSH

                  memory/408-214-0x0000022682CF0000-0x0000022682D21000-memory.dmp

                  memory/2416-357-0x0000021084800000-0x0000021084801000-memory.dmp

                  memory/2416-365-0x0000021084800000-0x0000021084801000-memory.dmp

                  memory/2416-369-0x0000021080DA0000-0x0000021080DD1000-memory.dmp

                  memory/2416-363-0x0000021084800000-0x0000021084801000-memory.dmp

                  memory/2416-364-0x0000021084800000-0x0000021084801000-memory.dmp

                  memory/2416-366-0x0000021084800000-0x0000021084801000-memory.dmp

                  memory/2416-367-0x0000021084800000-0x0000021084801000-memory.dmp

                  memory/2416-358-0x0000021084800000-0x0000021084801000-memory.dmp

                  memory/2416-356-0x0000021084800000-0x0000021084801000-memory.dmp

                  memory/2416-362-0x0000021084800000-0x0000021084801000-memory.dmp

                  memory/2416-368-0x0000021084800000-0x0000021084801000-memory.dmp

                  memory/3448-212-0x000001C4C3F80000-0x000001C4C3FB1000-memory.dmp

                  memory/3448-25-0x00007FFF81660000-0x00007FFF81661000-memory.dmp

                  memory/3448-213-0x000001C4C5A00000-0x000001C4C5B1E000-memory.dmp

                  memory/4220-193-0x000002A4FA7D0000-0x000002A4FA801000-memory.dmp

                  memory/4856-195-0x00000210F6ED0000-0x00000210F6F01000-memory.dmp

                  memory/4996-194-0x0000023A5EC70000-0x0000023A5ECA1000-memory.dmp

                  memory/5500-113-0x00007FFF81660000-0x00007FFF81661000-memory.dmp