Analysis

  • user interaction
    yes
  • max time kernel
    8s
  • max time network
    14s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    03/07/2026, 04:32

General

  • Target
    https://talcum-pond-country.ngrok-free.dev
  • Sample260703-e5383abv4v
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • 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 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 37 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://talcum-pond-country.ngrok-free.dev
    1⤵
    • Drops file in Windows directory
    • 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:2852
    • 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=0x260,0x264,0x268,0x25c,0x284,0x7ffa6ecdc188,0x7ffa6ecdc194,0x7ffa6ecdc1a0
      2⤵
        PID:2912
      • 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=1948,i,11679596198428281702,13684847724382577394,524288 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=2340 /prefetch:3
        2⤵
        • System Time Discovery
        PID:3688
      • 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=1760,i,8042925793758512346,3200481249777959355,262144 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=2300 /prefetch:2
        2⤵
          PID:5112
        • 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 --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2488,i,12287843073790017441,12530668207875172069,524288 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=2752 /prefetch:8
          2⤵
            PID:2824
          • 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=3388,i,3790133445342889582,13773870960269331309,2097152 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=3464 /prefetch:1
            2⤵
              PID:1300
            • 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=3392,i,15443840920527319489,12966933598406597952,2097152 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=3468 /prefetch:1
              2⤵
                PID:2280
              • 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,14545589676838962638,7571990505892335093,2097152 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=4252 /prefetch:1
                2⤵
                  PID:1932
                • 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=4256,i,6537019305052828760,14229260699437800730,2097152 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=4308 /prefetch:2
                  2⤵
                    PID:1116
                  • 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=5172,i,8125389030566942551,4158979066348765338,524288 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=5224 /prefetch:8
                    2⤵
                      PID:2172
                    • 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=5156,i,11486406456245650832,11544653245394243963,524288 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=5248 /prefetch:8
                      2⤵
                        PID:3776
                      • 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=5800,i,3724075444760817670,10952635269609157365,524288 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=5820 /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=5800,i,3724075444760817670,10952635269609157365,524288 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=5820 /prefetch:8
                          2⤵
                            PID:4140
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6232,i,623220410795340845,12807215605220926052,524288 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=6040 /prefetch:8
                            2⤵
                              PID:1700
                            • 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 --disable-gpu-compositing --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=13 --always-read-main-dll --metrics-shmem-handle=6368,i,18027463452875057726,6760807146565026112,2097152 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=6396 /prefetch:1
                              2⤵
                                PID:3868
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6604,i,15597552502463424395,8711563578539853438,524288 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=6564 /prefetch:8
                                2⤵
                                  PID:2104
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --lang=en-US --service-sandbox-type=collections --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6748,i,909367272431011249,6022157154033329998,524288 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=6824 /prefetch:8
                                  2⤵
                                    PID:764
                                  • 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 --disable-gpu-compositing --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=17 --always-read-main-dll --metrics-shmem-handle=6772,i,11974773620002934034,10340531731781681374,2097152 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=6840 /prefetch:1
                                    2⤵
                                      PID:1792
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6616,i,16316511451362320004,14127377778101330419,524288 --field-trial-handle=2304,i,3911494855981356249,11527029823409797497,262144 --variations-seed-version --mojo-platform-channel-handle=6652 /prefetch:8
                                      2⤵
                                        PID:4216
                                    • 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:3892
                                      • C:\Windows\system32\AUDIODG.EXE
                                        C:\Windows\system32\AUDIODG.EXE 0x488 0x394
                                        1⤵
                                          PID:4764

                                        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 bf637ca0b28ebd6e948876848ccfe71d201158d460d4ad944f124f9d17ee5472
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              settings.dat

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                              • Size 280B
                                              • SHA256 7073226b4cd1cfc4cf618f45a53939bc635bacfa557eafd1683ee91614cda0d8
                                              • MD5 SHA1 SHA512 TLSH

                                              settings.dat

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                              • Size 280B
                                              • SHA256 9a3d10b16d8afe0c105f8b187f8f3616b1a6a5acead1299db43d8132ffbdd701
                                              • MD5 SHA1 SHA512 TLSH

                                              BookmarkMergedSurfaceOrdering

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

                                              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

                                              HubApps

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\HubApps
                                              • Size 106KB
                                              • SHA256 eb2fd7422436fff93f6be09df3294b26cdb7afd18e6aa94dcdc0f208db78b2ed
                                              • MD5 SHA1 SHA512 SSDEEP 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 13KB
                                              • SHA256 bf0bc437fa8061eef1190af8276cacf51f8362dc044ba492421f4f313230fdd3
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Secure Preferences

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                              • Size 30KB
                                              • SHA256 445fe32a59af5aaa3f8faa6a01813ee2a2796344bed51ae52393c70723cf7bb0
                                              • 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 5KB
                                              • SHA256 3e63256255ebaaf4dab9617a0347d2edd9ec92ab9a9910afc7a7caa6ba6c2125
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 8KB
                                              • SHA256 85b9fb9f3f1e7e86ef1f48a34e42be8d607ef4313b47ea8444a8c258a1958332
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 8KB
                                              • SHA256 ec4ea00b732199b96ed3527685b935034e1cec3314e1f91d3f15f564313d76df
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 19KB
                                              • SHA256 e08e131f0ea6d73270c0aede5f95f4cdb0d9fb0c2e7914b740f0f4595ce057c7
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                              • Size 2KB
                                              • SHA256 df04718e76c9149599a8fcb8a1f2306e69a059b1f375a21a802b00bd752f2fba
                                              • MD5 SHA1 SHA512 TLSH