Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/07/2026, 00:17

General

  • Target
    pdfko.html
  • Size 72KB
  • Sample260705-algthaa14j
  • SHA256 aa44a8e57c16da00c8e23664130dfad3cf85c87fba5234780c6489eba01c066a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • 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 3 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 24 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\pdfko.html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:4500
    • 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,0x240,0x234,0x2f0,0x7ffa7507c188,0x7ffa7507c194,0x7ffa7507c1a0
      2⤵
        PID:4452
      • 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=1968,i,8352010502490354519,13234593890501271915,524288 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=2356 /prefetch:3
        2⤵
        • System Time Discovery
        PID:6120
      • 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=1876,i,12800151073093942625,298223766066850589,262144 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=2320 /prefetch:2
        2⤵
          PID:4420
        • 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=1796,i,8884970774001489919,18020276809129887268,524288 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=2744 /prefetch:8
          2⤵
            PID:972
          • 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=3428,i,4149031587438469894,14252414244693141701,2097152 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=3468 /prefetch:1
            2⤵
              PID:380
            • 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=3452,i,4968864097249634240,12015226628059629776,2097152 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=3500 /prefetch:1
              2⤵
                PID:552
              • 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=4960,i,9984077020979415354,16418806196298834962,524288 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=5032 /prefetch:8
                2⤵
                  PID:3824
                • 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=4964,i,16404438844257213138,10978570295594422409,524288 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=5024 /prefetch:8
                  2⤵
                    PID:4024
                  • 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=5824,i,9087766319136732588,6232329416708789114,524288 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=5856 /prefetch:8
                    2⤵
                      PID:4184
                    • 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=5824,i,9087766319136732588,6232329416708789114,524288 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=5856 /prefetch:8
                      2⤵
                        PID:1436
                      • 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=5856,i,3932277840305915655,16105759334168096609,524288 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=5868 /prefetch:8
                        2⤵
                          PID:4256
                        • 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=6004,i,7365066214568291992,16226216349921663181,524288 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=5912 /prefetch:8
                          2⤵
                            PID:1712
                          • 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=6012,i,16382690801587302863,798551615779344230,524288 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=5952 /prefetch:8
                            2⤵
                              PID:1776
                            • 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=6284,i,16411547505284282014,1484770789150350410,524288 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=5004 /prefetch:8
                              2⤵
                                PID:2452
                              • 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=6096,i,9027644501235764523,4778912362460676381,262144 --field-trial-handle=2324,i,923740537550520673,221404327981606418,262144 --variations-seed-version --mojo-platform-channel-handle=744 /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:3768
                            • 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:6140
                              • 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:3732

                                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 9300dc4b11c647d4484e20f994dffbbd9939379d590fc7dedf9875372c431ce1
                                      • MD5 SHA1 SHA512 TLSH

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 280B
                                      • SHA256 8da58a9b03c676d64167caf3657c5315a0b78038e3ae23bfef432a40d8d22290
                                      • MD5 SHA1 SHA512 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 414B
                                      • SHA256 931af20bbb592df4267482be0427b8fc2dd65a3b3f04f62ed641294d06584d7f
                                      • 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 1KB
                                      • SHA256 85582a84cb548cad8e090c7e056a68cf98becdc715b745314bd67beb4e8ca11e
                                      • 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 5bfae83b822af7a35418d22d41e4b6371fdae789c742e365c8d5cee3a910d9b4
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 14KB
                                      • SHA256 80303a9cbef40b42c7f1bd1c2ede597ea2072e4eed737fe4b5a3096fe3559441
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Secure Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                      • Size 30KB
                                      • SHA256 d3ed28410c95bcdd49b775e999633ec95a9fd79e43121075d441a0e078c22041
                                      • 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 23KB
                                      • SHA256 f821b8eb5f4b09f446e7512d8d7075d8ffb79966c8b0914b528c1d54919000be
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      CURRENT

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Extension Settings\ghbmnnjooekpmoecnnnilnnbdlolhkhi\CURRENT
                                      • Size 16B
                                      • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                      • MD5 SHA1 SHA512

                                      MANIFEST-000001

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Extension Settings\ghbmnnjooekpmoecnnnilnnbdlolhkhi\MANIFEST-000001
                                      • Size 41B
                                      • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                                      • MD5 SHA1 SHA512

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 24KB
                                      • SHA256 6b4ddf6963d5c270c80cc1f2a2f7e1626a8ea0daed4f60fe817b09a85a5fc480
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 25KB
                                      • SHA256 cf97f37a8815d28ad6cfeaa45e40da65c843bb46cd354e0a5b13579913853587
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 28KB
                                      • SHA256 3b5c4ca6245df42d01963771afffb8df253972261a47cdc44968f7bbdcf2b1f4
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 28KB
                                      • SHA256 ad8cea11cb5409e01e61415be55bb5e0e615be5680ff38d810b1133dcf8084bc
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 24KB
                                      • SHA256 cc76dae55e8461c27b7c96e99c78c144612d83f43b261d6f526ae9d2164aeac6
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 28KB
                                      • SHA256 6ccda6c6640b51ae99c96c075b8c0709c6a7c5cb7293070a0929fc416ca37b26
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                      • Size 2KB
                                      • SHA256 b4c9061de8eebd71c9a84f282ee93082a11d493ef97b1fd17fb02e1950c220a2
                                      • MD5 SHA1 SHA512 TLSH

                                      memory/1436-214-0x00000287598E0000-0x000002875A8E0000-memory.dmp