Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 14:09

General

  • Target
    attachment20261002-278819-s43f5h.html
  • Size 171B
  • Sample261002-rgexsayhnd
  • SHA256 3e10b452175f0acbfcda6bc2487e308e0c5f4913f1ca5b0ed77be7a462a066bc
  • 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\attachment20261002-278819-s43f5h.html
    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:4080
    • 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,0x328,0x7ffac12ec188,0x7ffac12ec194,0x7ffac12ec1a0
      2⤵
        PID:3692
      • 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=1544,i,14588330747943504121,15181276679204903720,262144 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=2408 /prefetch:2
        2⤵
          PID:4848
        • 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=1808,i,6756352567875650326,12590949413044575800,524288 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=2444 /prefetch:11
          2⤵
          • System Time Discovery
          PID:3700
        • 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=2176,i,8466252700920317199,8571154233984516368,524288 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=2820 /prefetch:13
          2⤵
            PID:4584
          • 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,10532482902398206588,7435881101305607511,2097152 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=3312 /prefetch:1
            2⤵
              PID:3292
            • 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,16656726232289858104,12390963969578091826,2097152 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=3592 /prefetch:1
              2⤵
                PID:4292
              • 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=4264,i,14120723480206909691,2253073260218261728,2097152 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=4884 /prefetch:1
                2⤵
                  PID:5800
                • 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=4332,i,2790210414010407662,14012052973044165016,2097152 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=4888 /prefetch:9
                  2⤵
                    PID:5568
                  • 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=5048,i,5251446605410838223,9128722397071788823,524288 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=5416 /prefetch:14
                    2⤵
                      PID:1744
                    • 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=3796,i,10919697981042877629,1961746565635678560,524288 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=5436 /prefetch:14
                      2⤵
                        PID:748
                      • 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=5304,i,12204980891044126945,8222167679843674338,524288 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=6168 /prefetch:14
                        2⤵
                          PID:2208
                        • 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=5304,i,12204980891044126945,8222167679843674338,524288 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=6168 /prefetch:14
                          2⤵
                            PID:4516
                          • 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=4876,i,3552483647407958010,1685965521856110350,524288 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=5176 /prefetch:14
                            2⤵
                              PID:4532
                            • 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=5192,i,8573882809679987292,901424246361895697,524288 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=4732 /prefetch:14
                              2⤵
                                PID:1148
                              • 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=3592,i,3762706824058506007,11631733162700941043,524288 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=5128 /prefetch:14
                                2⤵
                                  PID:3408
                                • 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=3148,i,13163414593334379136,4015263055303443512,524288 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=2080 /prefetch:14
                                  2⤵
                                    PID:5512
                                  • 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=6484,i,3435920014962974071,3035350463864246890,262144 --field-trial-handle=2412,i,1847200477402467632,778154467832581037,262144 --variations-seed-version --mojo-platform-channel-handle=6476 /prefetch:10
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4132
                                • 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:3428
                                  • 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:5876

                                    Network

                                          MITRE ATT&CK Enterprise v16

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          20d1bc90-1d2b-4e6b-a074-4ef90e82793c.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\20d1bc90-1d2b-4e6b-a074-4ef90e82793c.tmp
                                          • Size 39KB
                                          • SHA256 3b23b4380de41cc10ea230b3e46c34cb371d0705810d644a8e05d2eb4dfa03df
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          430a72da-64ee-4e37-a446-fce5eae2b517.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\430a72da-64ee-4e37-a446-fce5eae2b517.tmp
                                          • Size 35KB
                                          • SHA256 09e2a44521b39a22a95b63878d45b9a2cc574ea0279bb228c9fcea637b3f8d5f
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          8d0ad5e6-8796-4119-a30a-d2737d33edfd.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\8d0ad5e6-8796-4119-a30a-d2737d33edfd.tmp
                                          • Size 37KB
                                          • SHA256 78ca424d0743c4636e1e345652e4fa6d70bce330b664ee33e3f6e3293a60070a
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 4fc7dcf7387fe20ebfe8604da12039dc01420b7c4f9203598cac361fa8e97926
                                          • MD5 SHA1 SHA512 TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 2faa1b1440ef2e1a669881f74143ac7857706d1524c89e682f713c8f3d38ab23
                                          • MD5 SHA1 SHA512 TLSH

                                          1b442779-a966-4a79-87af-0c8e42e7d03a.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\1b442779-a966-4a79-87af-0c8e42e7d03a.tmp
                                          • Size 11KB
                                          • SHA256 6f671c1f874f892b30a3007e9778a1b7a0082f8d8bd58c268c563f644c656f1f
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          6b5b53bd-ada0-4ec3-b577-eaba575b3daf.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\6b5b53bd-ada0-4ec3-b577-eaba575b3daf.tmp
                                          • Size 70KB
                                          • SHA256 31a226211c491e1b0832d4cd3cf34d97165e24a7ce4ec655259cd188f3a2bd88
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          temp-index

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\temp-index
                                          • Size 3KB
                                          • SHA256 56d91864662e7c3b0eb3f4bbef2f55001d08802851c6ee869c4a975459b20e46
                                          • MD5 SHA1 SHA512 TLSH

                                          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 0a828636201c22893711aeaf9adc532b71cd0ca760a17745a64d6a8f1edc8e51
                                          • MD5 SHA1 SHA512 TLSH

                                          d331643a-248b-4e93-985a-54e745687fd3.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\d331643a-248b-4e93-985a-54e745687fd3.tmp
                                          • Size 2B
                                          • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                          • MD5 SHA1 SHA512

                                          0db95f42-6e44-4411-84fc-e655bd85a75f.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\0db95f42-6e44-4411-84fc-e655bd85a75f.tmp
                                          • Size 2B
                                          • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                          • MD5 SHA1 SHA512

                                          184aa0f9-906b-47f4-b77c-e142b98b86a7.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\184aa0f9-906b-47f4-b77c-e142b98b86a7.tmp
                                          • Size 2KB
                                          • SHA256 3a3e86bcfc34199d1aa8cee79554e04f8cb0ed6abd4732a11691c5d240dd3bd0
                                          • MD5 SHA1 SHA512 TLSH

                                          Sdch Dictionaries

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

                                          CURRENT

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync App 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

                                          c1b312ae-5c83-4163-9e4f-64a853be1aef.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\c1b312ae-5c83-4163-9e4f-64a853be1aef.tmp
                                          • Size 11KB
                                          • SHA256 b4c02a234b00d51e9a708eb59fdc3a83e07477046c970976f82584688f5a7e13
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          fb35ebea-36a2-49f4-9bbf-9fc51b8d8b64.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\fb35ebea-36a2-49f4-9bbf-9fc51b8d8b64.tmp
                                          • Size 11KB
                                          • SHA256 9e1247586310f6f3ba917b68a51b28812839f3b9d50d4f8cd63033b469370c99
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          fe843bae-0680-437d-b2cd-0548eea54fc1.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\fe843bae-0680-437d-b2cd-0548eea54fc1.tmp
                                          • Size 23KB
                                          • SHA256 9cdc81a1e6bcb3fac2f243e3d1612addc4a83a2db355e649958d5173270fc995
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          abab8542-6ad5-428d-9a08-dd97146871a1.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\abab8542-6ad5-428d-9a08-dd97146871a1.tmp
                                          • Size 22KB
                                          • SHA256 d988156066b7fd22de278fbc96759d2caea6552094ffeb2ddd9307806059c5e4
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          c7e93577-2677-4781-97af-bab28f817701.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\c7e93577-2677-4781-97af-bab28f817701.tmp
                                          • Size 35KB
                                          • SHA256 3bac55d83259f60be7961b330d0b2e179490531f88a2477dbbd62d682f672945
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          c6bdacef-98f5-4b16-bc21-e3e73fffaa71.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\c6bdacef-98f5-4b16-bc21-e3e73fffaa71.tmp
                                          • Size 13B
                                          • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                          • MD5 SHA1 SHA512