Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 14:34

General

  • Target
    bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe
  • Size 8.1MB
  • Sample261001-rxg23sec47
  • SHA256 bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 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 Windows directory 64 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe
    "C:\Users\Admin\AppData\Local\Temp\bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe"
    1⤵
    • Checks whether UAC is enabled
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:4104
    • 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=bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe --webview-exe-version=1.2.0 --user-data-dir="C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=4104.4088.5208486736538346174 /pfhostedapp:97d3089845eba3148b122d7fe50766b2cc8f4795
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:5780
      • 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\VRC素材库\WebView2\EBWebView /prefetch:4 /pfhostedapp:97d3089845eba3148b122d7fe50766b2cc8f4795 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\VRC素材库\WebView2\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,0x160,0x194,0x7ff8a9905fd8,0x7ff8a9905fe4,0x7ff8a9905ff0
        3⤵
          PID:992
        • 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\VRC素材库\WebView2\EBWebView" --webview-exe-name=bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1680 --field-trial-handle=1688,i,5882571584878288911,1741137641399727288,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:97d3089845eba3148b122d7fe50766b2cc8f4795
          3⤵
            PID:2516
          • 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\VRC素材库\WebView2\EBWebView" --webview-exe-name=bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2192 --field-trial-handle=1688,i,5882571584878288911,1741137641399727288,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:97d3089845eba3148b122d7fe50766b2cc8f4795
            3⤵
              PID:4564
            • 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\VRC素材库\WebView2\EBWebView" --webview-exe-name=bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2716 --field-trial-handle=1688,i,5882571584878288911,1741137641399727288,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:97d3089845eba3148b122d7fe50766b2cc8f4795
              3⤵
                PID:5728
              • 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\VRC素材库\WebView2\EBWebView" --webview-exe-name=bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe --webview-exe-version=1.2.0 --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=3504 --field-trial-handle=1688,i,5882571584878288911,1741137641399727288,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:97d3089845eba3148b122d7fe50766b2cc8f4795 /prefetch:1
                3⤵
                  PID:5384
                • 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\VRC素材库\WebView2\EBWebView" --webview-exe-name=bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=4556 --field-trial-handle=1688,i,5882571584878288911,1741137641399727288,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:97d3089845eba3148b122d7fe50766b2cc8f4795
                  3⤵
                    PID:5012
                  • 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\VRC素材库\WebView2\EBWebView" --webview-exe-name=bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2148 --field-trial-handle=1688,i,5882571584878288911,1741137641399727288,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:97d3089845eba3148b122d7fe50766b2cc8f4795
                    3⤵
                      PID:5372
                    • 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 --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=10.0.26100.1301 --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView" --webview-exe-name=bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=4508 --field-trial-handle=1688,i,5882571584878288911,1741137641399727288,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:97d3089845eba3148b122d7fe50766b2cc8f4795
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1676
                    • 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\VRC素材库\WebView2\EBWebView" --webview-exe-name=bc43f63ffbca53bab62c0696a6ed3c5a2e377042fe60a588922aac7f964b085d.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2748 --field-trial-handle=1688,i,5882571584878288911,1741137641399727288,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:97d3089845eba3148b122d7fe50766b2cc8f4795
                      3⤵
                        PID:1068

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 fa63f82f898d361add5404aeb9e8a07da85a08534e5a4869e0029d0e15d1bd4e
                        • MD5 SHA1 SHA512

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 261a5de6d1e158f6691ae1f621c5a0bc0c68b38726c969b26b7f861c8a0ce93b
                        • MD5 SHA1 SHA512 TLSH

                        throttle_store.dat

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Crashpad\throttle_store.dat
                        • Size 20B
                        • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                        • MD5 SHA1 SHA512

                        the-real-index

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                        • Size 48B
                        • SHA256 6d1eb607df1cc8e3ee9446ebf8a768aacda5f2121a22b5222025fba1f0def6a3
                        • MD5 SHA1 SHA512

                        the-real-index

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                        • Size 72B
                        • SHA256 b50a1717e289bedd8d9c3a8426b55d88ccf7a9853e7d5c09090d1aa805152ad0
                        • MD5 SHA1 SHA512 TLSH

                        MANIFEST-000001

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Default\Extension Rules\MANIFEST-000001
                        • Size 41B
                        • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                        • MD5 SHA1 SHA512

                        Network Persistent State

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Default\Network\Network Persistent State
                        • Size 111B
                        • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                        • MD5 SHA1 SHA512 TLSH

                        Network Persistent State~RFe5a734d.TMP

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Default\Network\Network Persistent State~RFe5a734d.TMP
                        • Size 59B
                        • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                        • MD5 SHA1 SHA512 TLSH

                        SCT Auditing Pending Reports

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Default\Network\SCT Auditing Pending Reports
                        • Size 2B
                        • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                        • MD5 SHA1 SHA512

                        Preferences

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Default\Preferences
                        • Size 6KB
                        • SHA256 2c502cce4192284d71661e44dce40c72fdc5a57ce6fcc0fd9e3adc58f987ed09
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        CURRENT

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Default\Site Characteristics Database\CURRENT
                        • Size 16B
                        • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                        • MD5 SHA1 SHA512

                        b085bf77-0dc1-4343-adaf-d671928a19d4.tmp

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Default\b085bf77-0dc1-4343-adaf-d671928a19d4.tmp
                        • Size 6KB
                        • SHA256 d51a9ea5768aa661f6beb9a549c8284ab5d0af65a5465cfcfabf6f58dfe257ee
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        data_0

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\GraphiteDawnCache\data_0
                        • Size 8KB
                        • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                        • MD5 SHA1 SHA512 SSDEEP

                        data_1

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\GraphiteDawnCache\data_1
                        • Size 264KB
                        • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                        • MD5 SHA1 SHA512 SSDEEP

                        data_2

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\GraphiteDawnCache\data_2
                        • Size 8KB
                        • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                        • MD5 SHA1 SHA512 SSDEEP

                        data_3

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\GraphiteDawnCache\data_3
                        • Size 8KB
                        • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                        • MD5 SHA1 SHA512 SSDEEP

                        Local State

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Local State
                        • Size 2KB
                        • SHA256 ee97240ee71ba2018a7c34574515251f5b788f12d680a7dbdaafe6109dcb1bf2
                        • MD5 SHA1 SHA512 TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Local State
                        • Size 15KB
                        • SHA256 4a6242f6adf059673ca48833883729b666cbd39495ed50a5bf50a11738159249
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Local State
                        • Size 3KB
                        • SHA256 a8997a8878232695eb013ef164bd739b818a58935bea1ed26de42959f434cc40
                        • MD5 SHA1 SHA512 TLSH

                        Local State~RFe594b48.TMP

                        • Path C:\Users\Admin\AppData\Local\VRC素材库\WebView2\EBWebView\Local State~RFe594b48.TMP
                        • Size 1KB
                        • SHA256 1ca99539736068f4a42681b4fe85cf9156c4efa037f7625b410ea9f4568dafcd
                        • MD5 SHA1 SHA512 TLSH

                        hyph-bn.hyb

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5780_796146535\hyph-bn.hyb
                        • Size 703B
                        • SHA256 c2784e33158a807135850f7125a7eaabe472b3cfc7afb82c74f02da69ea250fe
                        • MD5 SHA1 SHA512 TLSH

                        hyph-mr.hyb

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5780_796146535\hyph-mr.hyb
                        • Size 687B
                        • SHA256 f4df224d459fd111698dd5a13613c5bbf0ed11f04278d60230d028010eac0c42
                        • MD5 SHA1 SHA512 TLSH

                        hyph-nn.hyb

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5780_796146535\hyph-nn.hyb
                        • Size 141KB
                        • SHA256 5bcbb58eaf65f13f6d039244d942f37c127344e3a0a2e6c32d08236945132809
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        memory/1676-316-0x0000024AAED90000-0x0000024AAED91000-memory.dmp

                        memory/1676-309-0x0000024AAED90000-0x0000024AAED91000-memory.dmp

                        memory/1676-311-0x0000024AAED90000-0x0000024AAED91000-memory.dmp

                        memory/1676-315-0x0000024AAED90000-0x0000024AAED91000-memory.dmp

                        memory/1676-319-0x0000024AAED90000-0x0000024AAED91000-memory.dmp

                        memory/1676-318-0x0000024AAED90000-0x0000024AAED91000-memory.dmp

                        memory/1676-317-0x0000024AAED90000-0x0000024AAED91000-memory.dmp

                        memory/1676-320-0x0000024AAED90000-0x0000024AAED91000-memory.dmp

                        memory/2516-33-0x00007FF8CAE90000-0x00007FF8CAE91000-memory.dmp

                        memory/4104-0-0x00000271EF9B0000-0x00000271EF9D8000-memory.dmp

                        memory/5012-232-0x00007FF8CAD00000-0x00007FF8CAD01000-memory.dmp

                        memory/5012-231-0x00007FF8CC1C0000-0x00007FF8CC1C1000-memory.dmp

                        memory/5384-121-0x00007FF8CAE90000-0x00007FF8CAE91000-memory.dmp