Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/08/2026, 12:23

General

  • Target
    rsignn.html
  • Size 16KB
  • Sample260819-pkg57sfa82
  • SHA256 ce8b58273588cbf111ed640924a2c3269c787f3fe363cfb6e71a3d8acddb281a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Looks up external IP address via web service 1 TTPs 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\rsignn.html
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x238,0x23c,0x240,0x234,0x248,0x7fff287fc188,0x7fff287fc194,0x7fff287fc1a0
      2⤵
        PID:740
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=1840,i,11920080572716807400,1756608242966986747,524288 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=2236 /prefetch:3
        2⤵
        • System Time Discovery
        PID:4156
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=1636,i,1509680557171924704,13241986658300756672,262144 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=2196 /prefetch:2
        2⤵
          PID:4964
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2344,i,4888129898702952261,15959086563811182903,524288 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=2468 /prefetch:8
          2⤵
            PID:2240
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --metrics-shmem-handle=3412,i,14518112344780348594,9246952494531173985,2097152 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=3456 /prefetch:1
            2⤵
              PID:916
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --metrics-shmem-handle=3416,i,4749849509098786821,6864996617816021636,2097152 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=3484 /prefetch:1
              2⤵
                PID:1080
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --always-read-main-dll --metrics-shmem-handle=4220,i,11101250908259503611,740762976117166137,2097152 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=4264 /prefetch:1
                2⤵
                  PID:996
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --extension-process --renderer-sub-type=extension --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --always-read-main-dll --metrics-shmem-handle=4244,i,15017879231951318533,480482436495806526,2097152 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=3388 /prefetch:2
                  2⤵
                    PID:1692
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5080,i,1048702361515684423,17126522713387515743,524288 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=5156 /prefetch:8
                    2⤵
                      PID:3412
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5072,i,9794414670740485414,7474219227264636236,524288 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=5144 /prefetch:8
                      2⤵
                        PID:3416
                      • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5856,i,91182455579395570,14287804306088941647,524288 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=5872 /prefetch:8
                        2⤵
                          PID:1028
                        • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5856,i,91182455579395570,14287804306088941647,524288 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=5872 /prefetch:8
                          2⤵
                            PID:1876
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=4312,i,16693992756534008538,14553751166735354150,524288 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=5940 /prefetch:8
                            2⤵
                              PID:1744
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5884,i,10095199680445287728,14491283453671829874,524288 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=4412 /prefetch:8
                              2⤵
                                PID:3368
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5928,i,15102495043529630705,7749773685628118566,524288 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=6196 /prefetch:8
                                2⤵
                                  PID:2280
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5132,i,13948409452867546997,17923380529475965367,524288 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=4412 /prefetch:8
                                  2⤵
                                    PID:3448
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.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=10.0.19041.546 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=5440,i,18316336421443817176,9352561266925805737,262144 --field-trial-handle=2200,i,1963849646914910625,18333301999237675716,262144 --variations-seed-version --mojo-platform-channel-handle=5940 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:3320
                                • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
                                  1⤵
                                    PID:208

                                  Network

                                        MITRE ATT&CK Enterprise v16

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        blocklist

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Ad Blocking\blocklist
                                        • Size 105KB
                                        • SHA256 4ee3fa3c9f4e73928ee4752b6a0dad43a75e78e4a4f9049170dc81e5e6451df1
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 6d0f88884e23b1418c456620b79662feebdfd970ca9325ba2981c94b3b0f0b2f
                                        • MD5 SHA1 SHA512 TLSH

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 4d517b88a0fb88494276c126764235de9ee52961c86cc4d3abaf517b10a649a8
                                        • MD5 SHA1 SHA512 TLSH

                                        BookmarkMergedSurfaceOrdering

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BookmarkMergedSurfaceOrdering
                                        • Size 6B
                                        • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                                        • MD5 SHA1 SHA512

                                        the-real-index

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                        • Size 3KB
                                        • SHA256 10a228434a6e4dca04b4d99995c352686983eba82b5bbbc0e1429cc09f1e3cc0
                                        • MD5 SHA1 SHA512 TLSH

                                        the-real-index~RFe58af36.TMP

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index~RFe58af36.TMP
                                        • Size 3KB
                                        • SHA256 b30c95d144f0a3bb140e5d40e05944dda71e329540d37468857966d4dbfa8119
                                        • MD5 SHA1 SHA512 TLSH

                                        SiteList-Enterprise.json

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\SiteList-Enterprise.json
                                        • Size 2B
                                        • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                        • MD5 SHA1 SHA512

                                        Edge Profile.ico

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico
                                        • Size 70KB
                                        • SHA256 31a226211c491e1b0832d4cd3cf34d97165e24a7ce4ec655259cd188f3a2bd88
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                        • Size 3KB
                                        • SHA256 cbd8cca88415bfd9e50cfda4609eb52e7602f22d8fed8dd1f198448440b62e18
                                        • MD5 SHA1 SHA512 TLSH

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                        • Size 111B
                                        • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                                        • MD5 SHA1 SHA512 TLSH

                                        SCT Auditing Pending Reports

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
                                        • Size 2B
                                        • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                        • MD5 SHA1 SHA512

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 12KB
                                        • SHA256 7becf0733a8bab1a97da79f60a4ecc3d6591b35f9751fdd81caafa4982a38f59
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 13KB
                                        • SHA256 8e3a4b090490642a0996c2bfc7e6de23c7a31aa411efca1062a3356d335faa71
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Secure Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                        • Size 30KB
                                        • SHA256 4bccc4ab8ac481826c12b95f9b106c3a41d8899d3c9e5e80e6bc2a56ee34a465
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        sync_diagnostic.log

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log
                                        • Size 4KB
                                        • SHA256 93db7fceeef5dbaa28ecc35a460423a01adbdac760d748c9fed1a57a2f3f3e7a
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        a52940fe-9a89-486f-9ba8-e45b307dce03.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\a52940fe-9a89-486f-9ba8-e45b307dce03.tmp
                                        • Size 22KB
                                        • SHA256 d988156066b7fd22de278fbc96759d2caea6552094ffeb2ddd9307806059c5e4
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 15KB
                                        • SHA256 36466db2b6d3bc17ecc8428d5d63384fe1fdaba300eda971d04ef06649861607
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 18KB
                                        • SHA256 4d94d3c5f13b71309f4c606dcd145b82391b2d5da87b634e9fa228d1e55dba60
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 8KB
                                        • SHA256 ddff369f0580244ec466efa19de92be17294ffef05d52e8a15939735d4fe4ed8
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 15KB
                                        • SHA256 73ca22796703ea83a04902e2deeb698930351db23f26f3f1bafdaa75004a75c8
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 9KB
                                        • SHA256 885cea6a42fe10b7afae173a1aa1c82478c25e6fb90d75fe8aef3b72e95b2a09
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        metadata.json

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\metadata.json
                                        • Size 13B
                                        • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                        • MD5 SHA1 SHA512

                                        5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                        • Size 2KB
                                        • SHA256 5feff61f31c03c915a68c2866cb210b1597987935b47345eed4e9ea553f1b0c4
                                        • MD5 SHA1 SHA512 TLSH