Analysis

  • user interaction
    yes
  • max time kernel
    12s
  • max time network
    16s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/07/2026, 17:03

General

  • Target
    http://ctldl.windowsupdate.com
  • Sample260730-vk6fpasglb
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: NtCreateUserProcessBlockNonMicrosoftBinary 6 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://ctldl.windowsupdate.com
    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:3936
    • 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,0x240,0x234,0x260,0x7ff9e8d6c188,0x7ff9e8d6c194,0x7ff9e8d6c1a0
      2⤵
        PID:3972
      • 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=1976,i,3881284320761649536,1711626153196134492,524288 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=2268 /prefetch:3
        2⤵
        • System Time Discovery
        PID:3780
      • 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=1632,i,6173583388740162310,9532212879397106170,262144 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=2232 /prefetch:2
        2⤵
          PID:5048
        • 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=2288,i,17401853290770152741,5376235982314267641,524288 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=2276 /prefetch:8
          2⤵
            PID:636
          • 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=3432,i,15877779913626936371,10410339798910197483,2097152 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=3508 /prefetch:1
            2⤵
              PID:2200
            • 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=3436,i,13882666166012663441,12819853992283687540,2097152 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=3516 /prefetch:1
              2⤵
                PID:3392
              • 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=4228,i,12444011797958542610,12708894071187078413,2097152 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:1
                2⤵
                  PID:3788
                • 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=4248,i,6521605968562183620,3786966882101038919,2097152 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=1668 /prefetch:2
                  2⤵
                    PID:4532
                  • 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=9 --always-read-main-dll --metrics-shmem-handle=5028,i,15152068555963146825,7354063094376800156,2097152 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=5024 /prefetch:1
                    2⤵
                      PID:2676
                    • 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=5244,i,2706155301128450888,13982854789848706512,524288 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=5300 /prefetch:8
                      2⤵
                        PID:3352
                      • 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=5216,i,4534831703976876347,8063561423605217766,524288 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=5324 /prefetch:8
                        2⤵
                          PID:4800
                        • 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=6016,i,2976437133268439646,2428529863331226907,524288 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=6040 /prefetch:8
                          2⤵
                            PID:3248
                          • 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=6016,i,2976437133268439646,2428529863331226907,524288 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=6040 /prefetch:8
                            2⤵
                              PID:4236
                            • 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=3616,i,6117993042324471854,9319370024940159519,2097152 --field-trial-handle=2236,i,3147219439493998462,10353385425819630044,262144 --variations-seed-version --mojo-platform-channel-handle=3652 /prefetch:1
                              2⤵
                                PID:436
                            • 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:5092

                              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 8bd193269cbc0101b18807144d6cd741576381f849ecee6df4fd3079b1e2a2ea
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 3eacdfce7dc5d437b4447cf27ab297d2d39d13a22d53487691f060212cddb6b2
                                    • MD5 SHA1 SHA512 TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 7aa2bb81937fdcdafd5d33143cfe61093f5233469b36757de171e12cc0c6215f
                                    • 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

                                    768e3b88-acb7-41a7-a994-e91c7b99df3f.tmp

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\768e3b88-acb7-41a7-a994-e91c7b99df3f.tmp
                                    • Size 2B
                                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                    • MD5 SHA1 SHA512

                                    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

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                    • Size 13KB
                                    • SHA256 89d6850dafbdf3b74bae358c984d1e5e80ba7a63fab9f84681f5f441fe77d2c7
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                    • Size 30KB
                                    • SHA256 7a0f623a0d83da1490fe808fc20729b110deac206357fbcea099839c1b96d415
                                    • 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 6KB
                                    • SHA256 226f4de17904851ae36c5a4197dcf220d99b22b53cae34bf637eb7fc9c8c5f81
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 19KB
                                    • SHA256 feb0de2cab0c1670d765b341014f8e5ac37f60f83f6590a90e45bde987d0ce26
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 8KB
                                    • SHA256 2fe89fd4480d555c4b687a4e7a978efd97ea4fc5c069c3f8a7cbd024b13f3a6e
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 8KB
                                    • SHA256 c4cbebe8a5e110a5902634cffed4f5f669d8c2269c112e191fd0a47f4d9cb2aa
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                    • Size 2KB
                                    • SHA256 63626c2aefd919bbd964cd2339eae751b108a26740c9c76b0fbe22cdb8caf91d
                                    • MD5 SHA1 SHA512 TLSH