Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    30/05/2026, 16:53

General

  • Target
    Download Navigator/_html/AR.htm
  • Size 440B
  • Sample260530-vd57caas21
  • SHA256 e4bc7f46b9f87b44cdfa4342dbc50b401e4547dca7e93a44978dabe696773ca0
  • MD5 SHA1 SHA512 TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 7 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: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of FindShellTrayWindow 33 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    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\Download Navigator\_html\AR.htm
    1⤵
    • Loads dropped DLL
    • 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:3320
    • 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=0x264,0x268,0x26c,0x260,0x2b0,0x7ff89318c188,0x7ff89318c194,0x7ff89318c1a0
      2⤵
        PID:5468
      • 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=1828,i,8420707996753067989,15931723567781677741,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=2308 /prefetch:3
        2⤵
        • System Time Discovery
        PID:3000
      • 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=1660,i,15242585422728332425,3038771006019229808,262144 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=2152 /prefetch:2
        2⤵
          PID:4584
        • 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=2580,i,11934036672636402544,16242321315382943405,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=2720 /prefetch:8
          2⤵
            PID:3588
          • 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=3416,i,5346799359709170321,11703802202221831806,2097152 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=3420 /prefetch:1
            2⤵
              PID:2512
            • 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=3432,i,13306454110279828381,12191625162926358340,2097152 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=3480 /prefetch:1
              2⤵
                PID:2000
              • 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=5032,i,4316936937731048384,14180128311637018306,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=5084 /prefetch:8
                2⤵
                  PID:472
                • 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=5036,i,8083156649835203516,8484331549924664710,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=5096 /prefetch:8
                  2⤵
                    PID:2740
                  • 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=5724,i,5864769970360514570,5421109710557404976,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=5748 /prefetch:8
                    2⤵
                      PID:3172
                    • 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=5724,i,5864769970360514570,5421109710557404976,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=5748 /prefetch:8
                      2⤵
                        PID:5076
                      • 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=132,i,6369584496942860696,4077937101561984326,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=6008 /prefetch:8
                        2⤵
                          PID:2700
                        • 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=5744,i,8465085747599131822,13703192221461317695,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=5812 /prefetch:8
                          2⤵
                            PID:3860
                          • 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=5724,i,10671602739826965843,5569677443466293323,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=6056 /prefetch:8
                            2⤵
                              PID:3960
                            • 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=5180,i,13408237205246745865,4436681076944194739,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=5148 /prefetch:8
                              2⤵
                                PID:4316
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5420,i,11077036968192470639,9267110948990366136,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=5732 /prefetch:8
                                2⤵
                                  PID:2180
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5732,i,6850704693460007535,7255593418751647384,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=5660 /prefetch:8
                                  2⤵
                                    PID:5948
                                  • 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=10.0.19041.4355 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=784,i,12602923567737568127,1389069930041932194,262144 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=6116 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:776
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6104,i,14472723118836332517,16610365307376253192,524288 --field-trial-handle=2156,i,6173696087441420117,3852127029467381095,262144 --variations-seed-version --mojo-platform-channel-handle=5720 /prefetch:8
                                    2⤵
                                      PID:3740
                                  • 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:3844
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window --win-session-start
                                      1⤵
                                        PID:1740

                                      Network

                                            MITRE ATT&CK Enterprise v16

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            settings.dat

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                            • Size 280B
                                            • SHA256 fc69248227d1b80ff41106426895bcd599abcddfbfe7fdbeabc0fcc2aca903ae
                                            • MD5 SHA1 SHA512 TLSH

                                            settings.dat

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                            • Size 280B
                                            • SHA256 44e095af7ccad1927602b4b935aae3524939df30218011b877b59c782e6c6106
                                            • MD5 SHA1 SHA512 TLSH

                                            68c2e1eb-0bc1-4803-bbce-d60c47e6df94.tmp

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\68c2e1eb-0bc1-4803-bbce-d60c47e6df94.tmp
                                            • Size 35KB
                                            • SHA256 b08a670669e614e1104e4ebfa76069251355998f3d962d40aea86f956f1b7aae
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            BookmarkMergedSurfaceOrdering

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

                                            BrowsingTopicsState

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BrowsingTopicsState
                                            • Size 649B
                                            • SHA256 8a9ff3e71bdfd9696a2745fe405ec3a6bf66b5a78e676b3f3a7e77fe59840877
                                            • 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

                                            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 2KB
                                            • SHA256 b32730edbe42d706d0b869c503f68eadd44f4eacbefde4299d94bff0bb71159d
                                            • 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

                                            Sdch Dictionaries

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
                                            • Size 40B
                                            • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                            • MD5 SHA1 SHA512

                                            Preferences

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                            • Size 15KB
                                            • SHA256 61e7187c53a3c527ca8a20a1a9ea63ccd85561a621299415f0e7618fcc607156
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Preferences

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                            • Size 15KB
                                            • SHA256 1a009599571d3ddecb56e2a4ba14b5d59339d0b4be75c8c60df913579ca9eb4e
                                            • 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 24KB
                                            • SHA256 cb2a62af7e68ac4b95cc5090a6e584df07d64cb235e7a089678023fd629596a2
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 24KB
                                            • SHA256 b0745fc7b093302247054244070c1ddc41529f834d08dd842c321f856dbd147b
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 27KB
                                            • SHA256 bd0eec117162bfb732a914488b1141842f83051cd3086bdad680737b9e48d874
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 27KB
                                            • SHA256 3b05a1e0d0d86589a5a21da7feecb386d62654411e2daa05eb7bc4312c7611c9
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 28KB
                                            • SHA256 cf02b45ef9bebff5cac64f66f0a81085083253045f252b9388efacfa9ad1f8bf
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            well_known_domains.dll

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Well Known Domains\1.2.0.0\well_known_domains.dll
                                            • Size 572KB
                                            • SHA256 2778063e5ded354d852004e80492edb3a0f731b838bb27ba3a233bc937592f6e
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            metadata.json

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\component_crx_cache\metadata.json
                                            • Size 1KB
                                            • SHA256 866adccfd3f209390fbd5bfd2399dc42b128bcb4926e5d5c8df11788bd6128fb
                                            • MD5 SHA1 SHA512 TLSH

                                            metadata.json

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\component_crx_cache\metadata.json
                                            • Size 1KB
                                            • SHA256 0033daa691809d34254e1934f90160cbecead1519ce562e930703aa7fad82ade
                                            • MD5 SHA1 SHA512 TLSH

                                            metadata.json

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\component_crx_cache\metadata.json
                                            • Size 1KB
                                            • SHA256 39e9e5ab628092383e19f0a6e55e62c5b4402c5cfa2cc35fff7db421a79d417b
                                            • MD5 SHA1 SHA512 TLSH

                                            5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                            • Size 2KB
                                            • SHA256 1c74d6e0136916fe3ccb1e3a7aaeb28b6db457917317bcaee21f916379b1821d
                                            • MD5 SHA1 SHA512 TLSH