Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    09/09/2026, 21:49

General

  • Target
    zemu_launcher.exe
  • Size 22.9MB
  • Sample260909-1pre8atsa1
  • SHA256 f44094f7660ee15caed4d9ce0a0b16665f68b859b92c184b9932af42760ffe38
  • 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.

  • 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 9 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\zemu_launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\zemu_launcher.exe"
    1⤵
    • Checks whether UAC is enabled
    • Modifies trusted root certificate store through registry
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4972
    • 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=zemu_launcher.exe --webview-exe-version=0.1.29 --user-data-dir="C:\Users\Admin\AppData\Local\uk.zemu.launcher\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=4972.3300.14760900863251874903
      2⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:4272
      • 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\uk.zemu.launcher\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\uk.zemu.launcher\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=0x164,0x168,0x16c,0x140,0xec,0x7ffa025fb078,0x7ffa025fb084,0x7ffa025fb090
        3⤵
          PID:4336
        • 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\uk.zemu.launcher\EBWebView" --webview-exe-name=zemu_launcher.exe --webview-exe-version=0.1.29 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1716,i,18100744445652946448,3033284196982564598,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1676 /prefetch:2
          3⤵
            PID:3548
          • 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\uk.zemu.launcher\EBWebView" --webview-exe-name=zemu_launcher.exe --webview-exe-version=0.1.29 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2016,i,18100744445652946448,3033284196982564598,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2028 /prefetch:11
            3⤵
              PID:4544
            • 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\uk.zemu.launcher\EBWebView" --webview-exe-name=zemu_launcher.exe --webview-exe-version=0.1.29 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2312,i,18100744445652946448,3033284196982564598,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1704 /prefetch:13
              3⤵
                PID:2392
              • 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\uk.zemu.launcher\EBWebView" --webview-exe-name=zemu_launcher.exe --webview-exe-version=0.1.29 --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=3552,i,18100744445652946448,3033284196982564598,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3572 /prefetch:1
                3⤵
                  PID:1648
                • 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\uk.zemu.launcher\EBWebView" --webview-exe-name=zemu_launcher.exe --webview-exe-version=0.1.29 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --disable-gpu-compositing --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=6 --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc --ms-user-locale=" --always-read-main-dll --field-trial-handle=3436,i,18100744445652946448,3033284196982564598,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3592 /prefetch:1
                  3⤵
                    PID:1360
                  • 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\uk.zemu.launcher\EBWebView" --webview-exe-name=zemu_launcher.exe --webview-exe-version=0.1.29 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADoAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAABCAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=2196,i,18100744445652946448,3033284196982564598,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=4520 /prefetch:10
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:5368

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 df61f47668aece8a49e877acf219dd76631c532c7ffad4eef7b90e7b934182c0
                    • MD5 SHA1 SHA512

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 be6cdfe2048201339c4bd3dcdd4ad89f5faf06f8931de4dbbad65095cbac5235
                    • MD5 SHA1 SHA512 TLSH

                    throttle_store.dat

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

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 48B
                    • SHA256 d656572311a6c4df29cd1b17f1f64a2711e68cbb949a927cc1574e04c0e23ca3
                    • MD5 SHA1 SHA512

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 360B
                    • SHA256 5eabb3dd5d564825fdafe2b991d1763064aa8c5e86ada3141ba1aa252b17aa5b
                    • MD5 SHA1 SHA512 TLSH

                    data_0

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

                    data_1

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

                    data_2

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

                    data_3

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

                    MANIFEST-000001

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

                    Network Persistent State

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Default\Network\Network Persistent State
                    • Size 111B
                    • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State~RFe592c75.TMP

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Default\Network\Network Persistent State~RFe592c75.TMP
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    e472523c-4b16-4525-a79b-142a180d4d2d.tmp

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Default\Network\e472523c-4b16-4525-a79b-142a180d4d2d.tmp
                    • Size 2B
                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                    • MD5 SHA1 SHA512

                    Preferences

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Default\Preferences
                    • Size 6KB
                    • SHA256 c5bf46bcf030cb0059adc2faa65ef3975a56b689dc0778848913bf8f2b403212
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Preferences~RFe58a505.TMP

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Default\Preferences~RFe58a505.TMP
                    • Size 6KB
                    • SHA256 06f73345fac0ab4354cfbe34f292a44ba903d7a9fa8b2dc9fbc031073dcb4401
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    CURRENT

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

                    Local State

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Local State
                    • Size 1KB
                    • SHA256 37a220160570141b6c4ab7f971522ee29548a81d823b4015b82cf55c54b5dc45
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Local State
                    • Size 2KB
                    • SHA256 14afac59082cead14b23d7ab731d1d658cf03dc57ef7afaaeae8a97c911c6e0e
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Local State
                    • Size 3KB
                    • SHA256 b94ecc88444b698d2a688720af2ca0101fc89e622dff0b7c084dc97445ab5511
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Local State
                    • Size 16KB
                    • SHA256 7a43365cef9fa6781f8e787392d3190b1dbcfa1c3551ce3af9daed60b8b80776
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State~RFe580664.TMP

                    • Path C:\Users\Admin\AppData\Local\uk.zemu.launcher\EBWebView\Local State~RFe580664.TMP
                    • Size 1KB
                    • SHA256 6454f171129175e05a9b97536cd26418a89cadefccb6606976290a719e6c2c50
                    • MD5 SHA1 SHA512 TLSH

                    launcher-config.json

                    • Path C:\Users\Admin\AppData\Roaming\uk.zemu.launcher\launcher-config.json
                    • Size 359B
                    • SHA256 fcc597f6fd6c99db5a212f5e1bb8a5fd9e944207ce267bef80248b7cc66731e0
                    • MD5 SHA1 SHA512 TLSH

                    memory/1648-144-0x00007FFA11520000-0x00007FFA11521000-memory.dmp

                    memory/3548-288-0x000002BB824D0000-0x000002BB8266A000-memory.dmp

                    memory/3548-25-0x00007FFA11520000-0x00007FFA11521000-memory.dmp

                    memory/4272-271-0x0000019FEA0E0000-0x0000019FEB0E0000-memory.dmp

                    memory/5368-445-0x0000016F825C0000-0x0000016F825C1000-memory.dmp

                    memory/5368-444-0x0000016F825C0000-0x0000016F825C1000-memory.dmp

                    memory/5368-443-0x0000016F825C0000-0x0000016F825C1000-memory.dmp

                    memory/5368-449-0x0000016F825C0000-0x0000016F825C1000-memory.dmp

                    memory/5368-455-0x0000016F825C0000-0x0000016F825C1000-memory.dmp

                    memory/5368-454-0x0000016F825C0000-0x0000016F825C1000-memory.dmp

                    memory/5368-453-0x0000016F825C0000-0x0000016F825C1000-memory.dmp

                    memory/5368-452-0x0000016F825C0000-0x0000016F825C1000-memory.dmp

                    memory/5368-451-0x0000016F825C0000-0x0000016F825C1000-memory.dmp

                    memory/5368-450-0x0000016F825C0000-0x0000016F825C1000-memory.dmp