Analysis

  • max time kernel
    148s
  • max time network
    158s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 12:14

General

  • Target
    .cms/img/icon.mkv.svg
  • Size 1KB
  • Sample260720-petxtabz3w
  • SHA256 9ad25903012dfcf2b491801a3e57e83bc1d9a797f47b10557750567627c3d5f3
  • MD5 SHA1 SHA512 TLSH

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 Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\.cms\img\icon.mkv.svg
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" -- "file:///C:/Users/Admin/AppData/Local/Temp/.cms/img/icon.mkv.svg"
      2⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4256
      • 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=0x2f0,0x2f4,0x2f8,0x2ec,0x300,0x7ff83d36c188,0x7ff83d36c194,0x7ff83d36c1a0
        3⤵
          PID:3128
        • 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,11600562818507849731,12753152249560266639,262144 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=2592 /prefetch:2
          3⤵
            PID:1768
          • 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=1924,i,6338906426054156934,15359566620805219883,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=2792 /prefetch:11
            3⤵
            • System Time Discovery
            PID:1100
          • 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=2336,i,7420111604948423891,14017739333780240455,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=2848 /prefetch:13
            3⤵
              PID:5912
            • 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=3636,i,112998052452241371,9362816422555793494,2097152 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=3816 /prefetch:1
              3⤵
                PID:4972
              • 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=3584,i,12859038408728081236,12988074782014274649,2097152 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=3812 /prefetch:1
                3⤵
                  PID:6124
                • 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=4284,i,11069062260487300039,3809888323873350949,2097152 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=4952 /prefetch:9
                  3⤵
                    PID:2488
                  • 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=4272,i,11561328899389686766,13416012548089728715,2097152 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=4948 /prefetch:1
                    3⤵
                      PID:5528
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=PooledProcess2 --lang=en-US --service-sandbox-type=utility --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5360,i,676360916181660602,6599839693243532250,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=5336 /prefetch:14
                      3⤵
                        PID:3216
                      • 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=5480,i,12977903924889118069,12597997005985542057,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=5412 /prefetch:14
                        3⤵
                          PID:260
                        • 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=5488,i,5406926755567333060,14064456995194437145,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=5492 /prefetch:14
                          3⤵
                            PID:3768
                          • 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=6040,i,13305268977313542194,6089607367149055706,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=6060 /prefetch:14
                            3⤵
                              PID:1148
                            • 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=6040,i,13305268977313542194,6089607367149055706,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=6060 /prefetch:14
                              3⤵
                                PID:4608
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6312,i,6001727827927467040,16293070052681509450,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=6320 /prefetch:14
                                3⤵
                                  PID:824
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6436,i,6511549880575115692,9960641956971248667,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=6412 /prefetch:14
                                  3⤵
                                    PID:2748
                                  • 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=5084,i,1745374112012623237,11426379347829578781,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=5056 /prefetch:14
                                    3⤵
                                      PID:3604
                                    • 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=5068,i,16774762437726626916,5990714895472020935,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=4040 /prefetch:14
                                      3⤵
                                        PID:4248
                                      • 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=5072,i,15973242323014928836,1920435093966365643,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=6124 /prefetch:14
                                        3⤵
                                          PID:5956
                                        • 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=5720,i,1612794633342191237,11055912185409829997,524288 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=5508 /prefetch:14
                                          3⤵
                                            PID:4816
                                          • 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=6132,i,2463816891000800990,487361716287368065,262144 --field-trial-handle=2752,i,3434515361124633691,7103868152557107623,262144 --variations-seed-version --mojo-platform-channel-handle=5880 /prefetch:10
                                            3⤵
                                            • Suspicious behavior: EnumeratesProcesses
                                            PID:4932
                                      • 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:1448
                                        • 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:5056

                                          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 f8dff5315a0bd3856381f405c1a16257337fd6ff2d8043dd8bea22404cd35129
                                                • MD5 SHA1 SHA512 TLSH

                                                settings.dat

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                                • Size 280B
                                                • SHA256 1f3bc43c50f7d0fa02f98500baf5d78052a5560603459a9325b17de989d121f4
                                                • 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 9e3b0ea365b61141f93b9e33baffac3a77a2d342e395334ba52ab438ebc33be7
                                                • MD5 SHA1 SHA512 TLSH

                                                the-real-index~RFe59ace0.TMP

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index~RFe59ace0.TMP
                                                • Size 3KB
                                                • SHA256 9da06f7bfa62e638df3891e0648bf2ebc1bcb174142ad80e6955f4d9fe2e4466
                                                • 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 2KB
                                                • SHA256 31209372058fd31ff592e40d7deaddb9b8cdbbe0ae2a4595829c5285dd3d6af2
                                                • 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 ff7457a59cd083cea75108a903612ba99584cf9b4d5d53016345aa644a2d7b7a
                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                Preferences

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                                • Size 11KB
                                                • SHA256 fd22cdc82fc4e7c21f96ac29ed11e44493340dfface273dbab55dd0c40301608
                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                Preferences

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                                • Size 11KB
                                                • SHA256 6589b7a6f8e53a2bead6696a130931369aaada1c04ee61a4f352adecb61321a5
                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                Secure Preferences

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                                • Size 29KB
                                                • SHA256 e488ae7e8430e38798d28e02f6cd1a88a03c094812d775f07aad12b874aef134
                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                1438987d-b367-45c3-94be-64451764f7cd.tmp

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\1438987d-b367-45c3-94be-64451764f7cd.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 38KB
                                                • SHA256 11ce5962fec76069a53e559f7349fb7103cd4279c35cc56c1f00ae2749a984b4
                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                Local State

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                                • Size 35KB
                                                • SHA256 2e15b3bfdb2a96d825bb5cf264f891f210a8709d18cce3dac0b8db4510e05851
                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                Local State

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                                • Size 35KB
                                                • SHA256 0fd0f90a048afca79e359efe68896f392e44862e811517617e23f654b74c5115
                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                Local State

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                                • Size 38KB
                                                • SHA256 253f3aa22d6a02bc6c9024398d99717a337a20f07eb04655ae8ab8e0c6757d21
                                                • 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

                                                content_new.js

                                                • Path C:\Users\Admin\AppData\Local\Temp\scoped_dir4256_876458639\CRX_INSTALL\content_new.js
                                                • Size 10KB
                                                • SHA256 d4aa4602a1590a4b8a1bce8b8d670264c9fb532adc97a72bc10c43343650385a
                                                • MD5 SHA1 SHA512 SSDEEP TLSH