Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 14:20

General

  • Target
    attachment20260930-1253-381tfl.htm
  • Size 194B
  • Sample260930-rnjvbahd79
  • 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.

  • 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 registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 32 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\attachment20260930-1253-381tfl.htm
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1704
    • 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,0x240,0x234,0x27c,0x7fff7337c188,0x7fff7337c194,0x7fff7337c1a0
      2⤵
        PID:1340
      • 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=1876,i,11329736393520864669,8778992247936060254,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=2568 /prefetch:3
        2⤵
        • System Time Discovery
        PID:1012
      • 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=1656,i,15135849755588844526,16054715320141368908,262144 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=2536 /prefetch:2
        2⤵
          PID:4564
        • 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=2292,i,7361331661141138228,3106922507122702791,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=2600 /prefetch:8
          2⤵
            PID:2676
          • 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=3456,i,7521821297290834350,9032758927692806066,2097152 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=3492 /prefetch:1
            2⤵
              PID:3156
            • 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=3468,i,13372490320566023978,18354276762024984083,2097152 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=3752 /prefetch:1
              2⤵
                PID:2636
              • 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=4112,i,10780835504426895838,14448846613234410646,2097152 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=4196 /prefetch:1
                2⤵
                  PID:4468
                • 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=4200,i,10100172522877156061,1333430270374475217,2097152 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=4248 /prefetch:2
                  2⤵
                    PID:4364
                  • 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=5112,i,8909914637220784462,6193218282204436571,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=5176 /prefetch:8
                    2⤵
                      PID:2848
                    • 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=5116,i,2076623531268762044,276169300577920469,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=5196 /prefetch:8
                      2⤵
                        PID:1136
                      • 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=5832,i,1804839163479479707,18188078400331957150,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=5848 /prefetch:8
                        2⤵
                          PID:1084
                        • 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=5832,i,1804839163479479707,18188078400331957150,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=5848 /prefetch:8
                          2⤵
                            PID:5012
                          • 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=4220,i,5213692671351733075,9772226608091983760,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=4528 /prefetch:8
                            2⤵
                              PID:4872
                            • 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=4276,i,5838174137178557186,10444008646783776621,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=3856 /prefetch:8
                              2⤵
                                PID:4152
                              • 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=3832,i,17978788210609471563,15541719556605476617,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=4464 /prefetch:8
                                2⤵
                                  PID:3472
                                • 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=3796,i,10213101565813986067,5103521353029378618,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=2120 /prefetch:8
                                  2⤵
                                    PID:1956
                                  • 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=5768,i,18250214419755373145,7977374690805302264,524288 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=780 /prefetch:8
                                    2⤵
                                      PID:2956
                                    • 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=6424,i,10391055100077301894,11178140311455156624,262144 --field-trial-handle=2540,i,15101617992050314346,2800494471656502470,262144 --variations-seed-version --mojo-platform-channel-handle=6416 /prefetch:8
                                      2⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3744
                                  • 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:3308

                                    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 928eda824fe964cd23927cf06086d7d24e20a3a5092daf1acee5b632c76c962a
                                          • MD5 SHA1 SHA512 TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 93c2ca3ce74eca17f27aa90cc3323bb8d6aea5c365862a01a512ce14b9f825b4
                                          • MD5 SHA1 SHA512 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 2KB
                                          • SHA256 6375b61a930bcb4f8ce9c9bd28dde60ee357d07e7d50d3709659b868547d2031
                                          • 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 949B
                                          • SHA256 79e0ef3d177a187422866bdf751a22554aeac8b0c4c2b0dda13aedf8cc534b17
                                          • MD5 SHA1 SHA512 TLSH

                                          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

                                          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

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 9KB
                                          • SHA256 6caeefe862005d7fbf79fc4796de444ff14fc8e1547a520c668c92fd5d14936c
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 10KB
                                          • SHA256 7d3c92e97f5a16d660be9561940ef6781960fec61d297ed8c6761d2fe7cae719
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 10KB
                                          • SHA256 93cc1c4d6c344b8c8fd12780e73ebf49a8d2f8dc3c241782077ca0bf2386fbd6
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 9KB
                                          • SHA256 6ae777b1c78bd5970416aebd87d6a0cc9bc00c5ea4088989aaa8b729685951ed
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Secure Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                          • Size 27KB
                                          • SHA256 965e770a9c324b028748f7ab72c76dd1893cdb41aaf10598feef612686b768be
                                          • 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 fd709bad4d62657ed0dda7e5389a6482b85e36c155374d4fbd6e1b4a2ee57da7
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          OperationConfig

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\OperationConfig
                                          • Size 22KB
                                          • SHA256 d988156066b7fd22de278fbc96759d2caea6552094ffeb2ddd9307806059c5e4
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          OperationConfig~RFe59b433.TMP

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\OperationConfig~RFe59b433.TMP
                                          • Size 3KB
                                          • SHA256 8b2e057387e9714efef3580a36459acf56aab53c806cd7d7dbb6e17cef977ef9
                                          • MD5 SHA1 SHA512 TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 18KB
                                          • SHA256 6e5313c2d09037f8bd472591ffdacc263e9424f4a44d0e00ed40c9b74d9814e3
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 21KB
                                          • SHA256 f2f6b122c32a0e086559747b8ce3228c51e7c40ce62c5007d8c45056ec15e8cc
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 8KB
                                          • SHA256 9a6d2de0bb532913ea930c36846ecf63ce5d0cb606ae71483cfa8f89d98d6b2c
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 18KB
                                          • SHA256 6c1074fa4270e574c2a2a3c6c3e556d17f92b3ae50c03f59c2bd143022b78090
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 8KB
                                          • SHA256 6511c98ed32d214bc19b057229ea18bfe919a491e1b470ceeef080b6fdd304f2
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          6f622e6c-0fa5-448f-a228-bd66db494067.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\6f622e6c-0fa5-448f-a228-bd66db494067.tmp
                                          • Size 13B
                                          • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                          • MD5 SHA1 SHA512

                                          5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                          • Size 2KB
                                          • SHA256 db622f1ac1c9e67e662f0f4ae84adb515c31a2892db8871b09c42fb90668041d
                                          • MD5 SHA1 SHA512 TLSH