Analysis

  • user interaction
    yes
  • max time kernel
    33s
  • max time network
    33s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/10/2026, 15:19

General

  • Target
    ArbuzLoader.exe
  • Size 23.4MB
  • Sample261018-sqavvsbe62
  • SHA256 b572ef3c04fe6dfe2c5807d91934009b39b3279993589162e79e17a367e3ba82
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ArbuzLoader.exe
    "C:\Users\Admin\AppData\Local\Temp\ArbuzLoader.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks whether UAC is enabled
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4720
    • 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=ArbuzLoader.exe --user-data-dir="C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=4720.1352.15850010171759775963 /pfhostedapp:bffd267856cd0ec581a4995a26724ea3ead0957b
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2476
      • 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\Temp\ArbuzLoader\EBWebView /prefetch:4 /pfhostedapp:bffd267856cd0ec581a4995a26724ea3ead0957b --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\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,0x160,0x194,0x7fff6b415fd8,0x7fff6b415fe4,0x7fff6b415ff0
        3⤵
          PID:1836
        • 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\Temp\ArbuzLoader\EBWebView" --webview-exe-name=ArbuzLoader.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1932 --field-trial-handle=1940,i,8992561509591594220,13139922035427943297,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:bffd267856cd0ec581a4995a26724ea3ead0957b
          3⤵
            PID:3404
          • 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\Temp\ArbuzLoader\EBWebView" --webview-exe-name=ArbuzLoader.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2264 --field-trial-handle=1940,i,8992561509591594220,13139922035427943297,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:bffd267856cd0ec581a4995a26724ea3ead0957b
            3⤵
              PID:2648
            • 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\Temp\ArbuzLoader\EBWebView" --webview-exe-name=ArbuzLoader.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2312 --field-trial-handle=1940,i,8992561509591594220,13139922035427943297,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:bffd267856cd0ec581a4995a26724ea3ead0957b
              3⤵
                PID:3964
              • 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\Temp\ArbuzLoader\EBWebView" --webview-exe-name=ArbuzLoader.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --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=3468 --field-trial-handle=1940,i,8992561509591594220,13139922035427943297,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:bffd267856cd0ec581a4995a26724ea3ead0957b /prefetch:1
                3⤵
                  PID:5080
                • 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\Temp\ArbuzLoader\EBWebView" --webview-exe-name=ArbuzLoader.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --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=" --mojo-platform-channel-handle=3792 --field-trial-handle=1940,i,8992561509591594220,13139922035427943297,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:bffd267856cd0ec581a4995a26724ea3ead0957b /prefetch:1
                  3⤵
                    PID:2376

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 3b30cf2dcc47d8cfe21f123d352c5139a41a0fb5446badce45645e43cd1b870b
                    • MD5 SHA1 SHA512

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 3b8f4220124eb5522bda7fe8feb76a7a38574185ea6e9d0263eeaecf6c51eef8
                    • MD5 SHA1 SHA512 TLSH

                    throttle_store.dat

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

                    temp-index

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\Default\Code Cache\js\index-dir\temp-index
                    • Size 360B
                    • SHA256 8265a2dbf075681fa96e8a5b22a52b495b18d76a430e8cfe105eae1418b8d943
                    • MD5 SHA1 SHA512 TLSH

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 48B
                    • SHA256 7e2f6e7cdc8267f10354e603fe8837842367e1a6cd93bdec6b3ce20cd03d1edb
                    • MD5 SHA1 SHA512

                    MANIFEST-000001

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

                    SCT Auditing Pending Reports

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

                    CURRENT

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

                    data_0

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\GrShaderCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_1

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\GrShaderCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\GrShaderCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\GrShaderCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\Local State
                    • Size 1KB
                    • SHA256 2e594e6d7861ff4ba0d54bc46866b28fbe919e06146366d06573ee05c6692edb
                    • MD5 SHA1 SHA512 TLSH

                    b2d6bedb-8751-4ca8-a0ab-b590e85a6e87.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\b2d6bedb-8751-4ca8-a0ab-b590e85a6e87.tmp
                    • Size 15KB
                    • SHA256 8549d1ea3376b2a05e22d5ce6df07776d1bf1cc5473e2503d191633844cafac6
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    be3a61a5-49ca-4a0d-b58b-5d251ef80800.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\be3a61a5-49ca-4a0d-b58b-5d251ef80800.tmp
                    • Size 3KB
                    • SHA256 a4b9f1be01e09bb489c3685e637ed645e673f3bb78ab267dd58160303e254eb4
                    • MD5 SHA1 SHA512 TLSH

                    cad4a623-d843-4b92-a019-797ffe5dd901.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\ArbuzLoader\EBWebView\cad4a623-d843-4b92-a019-797ffe5dd901.tmp
                    • Size 2KB
                    • SHA256 619e003c9106fcd3fe34dbccf2da77794dd88cd780a2ea7c95167234a1683a13
                    • MD5 SHA1 SHA512 TLSH

                    memory/2376-238-0x000001E2A8AD0000-0x000001E2A8B44000-memory.dmp

                    memory/3404-118-0x00007FFF8C450000-0x00007FFF8C451000-memory.dmp

                    memory/4720-7-0x00007FF6B9840000-0x00007FF6BC011000-memory.dmp

                    memory/4720-0-0x00007FF6B99D7000-0x00007FF6BA8B7000-memory.dmp

                    memory/4720-3-0x00007FF6B9840000-0x00007FF6BC011000-memory.dmp

                    memory/4720-213-0x00007FF6B99D7000-0x00007FF6BA8B7000-memory.dmp

                    memory/4720-214-0x00007FF6B9840000-0x00007FF6BC011000-memory.dmp

                    memory/4720-1-0x00007FFF8E1D0000-0x00007FFF8E1D2000-memory.dmp

                    memory/4720-2-0x00007FFF8E1E0000-0x00007FFF8E1E2000-memory.dmp

                    memory/5080-212-0x0000018738C80000-0x0000018738CF4000-memory.dmp

                    memory/5080-119-0x00007FFF8C450000-0x00007FFF8C451000-memory.dmp