Analysis

  • max time kernel
    148s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 09:02

General

  • Target
    attachment20261001-527357-eib1if.htm
  • Size 194B
  • Sample261001-kzhytsff78
  • SHA256 5dfa57bf10f02106e404ffb38bc5b2da62eb96b9b02b74d10f1b472a89e6ee5b
  • MD5 SHA1 SHA512 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 16 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\attachment20261001-527357-eib1if.htm
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4300
    • 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,0x288,0x7ffc6ad2c188,0x7ffc6ad2c194,0x7ffc6ad2c1a0
      2⤵
        PID:4464
      • 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=2132,i,2126312613091170223,8066037794070924482,524288 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=3152 /prefetch:11
        2⤵
        • System Time Discovery
        PID:6064
      • 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=1844,i,15276583162269833416,11169445730106142492,262144 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=3116 /prefetch:2
        2⤵
          PID:5480
        • 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=2452,i,18064267546755497065,12400627170138813822,524288 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=3164 /prefetch:13
          2⤵
            PID:3832
          • 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=3536,i,18374795680559738843,10431823055768224445,2097152 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=3844 /prefetch:1
            2⤵
              PID:3772
            • 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=3540,i,8282462140688560618,8039709215178073199,2097152 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=3852 /prefetch:1
              2⤵
                PID:1340
              • 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=4260,i,2949490701402550331,13803518057717500627,2097152 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=4420 /prefetch:1
                2⤵
                  PID:364
                • 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=4272,i,2160066360503593746,12279998900692372165,2097152 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=4424 /prefetch:9
                  2⤵
                    PID:2976
                  • 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=3960,i,2368026746869132514,16291063300262598056,524288 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=3948 /prefetch:14
                    2⤵
                      PID:1600
                    • 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=3964,i,8278234711826824930,11243768296884980750,524288 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=3992 /prefetch:14
                      2⤵
                        PID:6076
                      • 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=5984,i,1066968747568311086,1678652011936219952,524288 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=6000 /prefetch:14
                        2⤵
                          PID:4308
                        • 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=5984,i,1066968747568311086,1678652011936219952,524288 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=6000 /prefetch:14
                          2⤵
                            PID:4684
                          • 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=1384,i,10327405806925666699,11402793724752147946,524288 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=1224 /prefetch:14
                            2⤵
                              PID:1796
                            • 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=1392,i,17269122072542368400,1657564002938287048,524288 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=5136 /prefetch:14
                              2⤵
                                PID:5892
                              • 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=1400,i,13558654394965287364,931751173090424601,524288 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=5124 /prefetch:14
                                2⤵
                                  PID:2156
                                • 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=1360,i,3982160148227779674,13532834858031666204,524288 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=3944 /prefetch:14
                                  2⤵
                                    PID:236
                                  • 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=10.0.26100.1301 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=6468,i,9062519968020701979,3891656487398195199,262144 --field-trial-handle=3124,i,143311936872322579,11015342440888541960,262144 --variations-seed-version --mojo-platform-channel-handle=816 /prefetch:10
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:5004
                                • 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:4556
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k GPSvcGroup
                                    1⤵
                                      PID:4468
                                    • 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:3416

                                      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 6fa1b02b96b249c932f11a4c4f1eb52f042c98bf33d02c325fd422f437c15214
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            settings.dat

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                            • Size 280B
                                            • SHA256 ae4519203ea4a71f8bb5a86dffca3b288f02f1bf4cb8d6f78e8a591b676414b1
                                            • MD5 SHA1 SHA512 TLSH

                                            settings.dat

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                            • Size 280B
                                            • SHA256 a23025f4d05b749cd64019222483e40f71e2bd4380052e2b64a234eb0323dd12
                                            • MD5 SHA1 SHA512 TLSH

                                            309b8310-3ebf-46de-b35c-1caeee9c03e5.tmp

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\309b8310-3ebf-46de-b35c-1caeee9c03e5.tmp
                                            • Size 11KB
                                            • SHA256 dfb48bec408aecb69f925fa6a11f3912c38d49146d732ff5df73d1708381e71e
                                            • 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

                                            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 7dcca5d18949cc3b395e8e87f7dd2366e39122c09ba74bf3cb507f371fafe995
                                            • 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 1KB
                                            • SHA256 9cef74964826a61ac81c105cda2343e1dadc8da7fbaef8f93f613317425f8fd0
                                            • 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 11KB
                                            • SHA256 e9af5cf3841552b268536f9ac67157233f1e3fb1f52f573654e862f297e073a3
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Preferences

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                            • Size 11KB
                                            • SHA256 48d592c23fb0e7fe5dc82aca28fca3462107075338bfb90336f7e331432c4772
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Secure Preferences

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                            • Size 23KB
                                            • SHA256 19c715b9faa5f52561db7c0962f5c583b4c3a0b01e1bc3346f19a5bd09fce921
                                            • 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 406982ce9246be0eccdcdd0cb685dcca4b9fb94790ccc640f15110c187aef748
                                            • 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

                                            31fcfcd8-ef71-42d1-a4e6-5d35a4b35f7a.tmp

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\31fcfcd8-ef71-42d1-a4e6-5d35a4b35f7a.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 33KB
                                            • SHA256 dceec3db2abac9f60392ee6c1943368100d987238aa2d4653838f5cbe05f05e4
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 36KB
                                            • SHA256 be5984c682c0e0038e16563fe8643f2accd9edba27dea5e85394bdaeebed2d4c
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 33KB
                                            • SHA256 d256b145fa4268cc9b026cc20869eb3cc009b6ecf3cc01d1344abd32e7ae9565
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 37KB
                                            • SHA256 e59ddd08691b8ca58cdda9ec3cc00d47719beecfbe6843e098fd808a33b0d973
                                            • 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