Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/09/2026, 10:45

General

  • Target
    jaffacakes118_53540862415bfbfe6637eb9749316d5c3dfeab1116a0989dae9ac48d7fb541bb.html
  • Size 119KB
  • Sample260912-mtf86avamf
  • SHA256 53540862415bfbfe6637eb9749316d5c3dfeab1116a0989dae9ac48d7fb541bb
  • MD5 SHA1 SHA512 SSDEEP 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 data under HKEY_USERS 1 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 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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\jaffacakes118_53540862415bfbfe6637eb9749316d5c3dfeab1116a0989dae9ac48d7fb541bb.html
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3472
    • 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,0x288,0x7ffb5d6cc188,0x7ffb5d6cc194,0x7ffb5d6cc1a0
      2⤵
        PID:3180
      • 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=1564,i,7767900772386128928,6975570609526472420,262144 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=2208 /prefetch:2
        2⤵
          PID:4188
        • 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=1688,i,12618063514851412443,7588402693514665437,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=2428 /prefetch:11
          2⤵
          • System Time Discovery
          PID:1268
        • 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=2304,i,5486394133930670285,161978479940346124,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=2944 /prefetch:13
          2⤵
            PID:824
          • 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=3636,i,2301967420291870941,1389623785081562749,2097152 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=3652 /prefetch:1
            2⤵
              PID:1328
            • 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=3640,i,13412245068519008842,17147942513509422386,2097152 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=3740 /prefetch:1
              2⤵
                PID:5604
              • 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=4344,i,16636096303108137937,15127752827430384877,2097152 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=4304 /prefetch:1
                2⤵
                  PID:3784
                • 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=4368,i,7400822657982902032,4314810121741110634,2097152 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=4412 /prefetch:9
                  2⤵
                    PID:1396
                  • 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=5340,i,335890176873993481,3831356222230572477,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=5412 /prefetch:14
                    2⤵
                      PID:6056
                    • 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=5328,i,7701983631365716244,18085068326816883644,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=5388 /prefetch:14
                      2⤵
                        PID:3044
                      • 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=6096,i,2848465050350180127,10553353243203796005,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=6128 /prefetch:14
                        2⤵
                          PID:5920
                        • 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=6096,i,2848465050350180127,10553353243203796005,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=6128 /prefetch:14
                          2⤵
                            PID:3016
                          • 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=6128,i,16320293022884884962,6649363070086069736,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=6124 /prefetch:14
                            2⤵
                              PID:4196
                            • 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=4932,i,9545506079172257302,9719826266577176112,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=6572 /prefetch:14
                              2⤵
                                PID:4776
                              • 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=4648,i,2732511497092323111,8754194439853486753,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=4696 /prefetch:14
                                2⤵
                                  PID:3764
                                • 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=5340,i,384202277744833221,10550116121178515241,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=5588 /prefetch:14
                                  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=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=5556,i,7521904154701585153,9636040401714119617,524288 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=5480 /prefetch:14
                                    2⤵
                                      PID:1792
                                    • 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=5536,i,4772124424849267680,10110587002705632564,262144 --field-trial-handle=2196,i,5931030630332455637,14294934213400433856,262144 --variations-seed-version --mojo-platform-channel-handle=6440 /prefetch:10
                                      2⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:792
                                  • 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:2764
                                    • 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:792
                                      • C:\Windows\System32\Upfc.exe
                                        C:\Windows\System32\Upfc.exe /launchtype periodic /cv X63Xs9LVK0uDhikVjJObjA.0
                                        1⤵
                                          PID:1840

                                        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 a201096456be1e380b7687844e70aa8e2d987a06740acf66db0d56e000a3b50d
                                              • MD5 SHA1 SHA512 TLSH

                                              settings.dat

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                              • Size 280B
                                              • SHA256 4123fa2cc2e73053b7602d1d53a57b01f3a6cd8872729fcd7ed66886082b1b99
                                              • MD5 SHA1 SHA512 TLSH

                                              LOG.old

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Asset Store\assets.db\LOG.old
                                              • Size 331B
                                              • SHA256 4736b7622296f3a7568fb7a31e7b6a4e0b08178f1bca44849a47d1744fa8e8d6
                                              • 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 2KB
                                              • SHA256 6507a2c3eba62629311a874cac311fbcd7643b6658fee9220cc4b6eecdec06df
                                              • MD5 SHA1 SHA512 TLSH

                                              the-real-index~RFe5aa2aa.TMP

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index~RFe5aa2aa.TMP
                                              • Size 2KB
                                              • SHA256 64593e57c1b521b8edc7a3af3aae99300ea86483ef92392cebfdabfd6899baed
                                              • 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 3KB
                                              • SHA256 c6ae35732a311acf6634ce1b613e22ec5b2bfaf9d059daa4ad1ad468fbedc5f4
                                              • 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 ed412851b646db29636e213e188302810c358f5a4fc2477328e2e64aa443975a
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                              • Size 11KB
                                              • SHA256 a6101dab1d8177857230b84e4e742afa2e94a2b2d1e13488d61e88d9ca5fb603
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Secure Preferences

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                              • Size 23KB
                                              • SHA256 faab65686d7632d8e23209ea794ae9ea717cba83b9b2c1ac656a2499998488cb
                                              • 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

                                              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~RFe5b3e1f.TMP

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\OperationConfig~RFe5b3e1f.TMP
                                              • Size 3KB
                                              • SHA256 8b2e057387e9714efef3580a36459acf56aab53c806cd7d7dbb6e17cef977ef9
                                              • MD5 SHA1 SHA512 TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 40KB
                                              • SHA256 f4fca3823774452da2ad0852f8103653ca57d10aeca9446036b8cb04ecb632cd
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 33KB
                                              • SHA256 8e4cbf8beae11dc96f96dd0eddec62b8b0adb4c16a3721c5e8bc8271c5fd74af
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 36KB
                                              • SHA256 31a404783d7dd54802b8e5ab4cd0fc7429051f333863de0fa74ec54c0ac90fcd
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 37KB
                                              • SHA256 bfb150749b284f505dfd58391508b3adb3b70a0dc6e34eb6a167d13974b3d513
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              0fabda86-cc89-4b73-b250-41ea9f5aa13c.tmp

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\0fabda86-cc89-4b73-b250-41ea9f5aa13c.tmp
                                              • Size 13B
                                              • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                              • MD5 SHA1 SHA512