Analysis
- max time kernel
98s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
14/08/2026, 04:25
Behavioral task
behavioral1
Sample
2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 2.8MB
- Sample260814-e11blsfb93
- SHA256 932dcc211d8e0bb7b6617b397d43d999a926773ff3ecb443b540fe41ee16138a
- MD5 5662a463133f7e3dca232c01ae414c1e
- SHA1 6bc7d5f2c0eeb4e743c4f8c5b8a2095bfe36b7cf
- SHA512 1c4e2d133c823469e25aaa8dc67c5b34cfa2bdda8fdf3c9e2ef1c94e8a0fe1d844b63cb3fa1ba06d90bdf06ed495dc6c67401876a17e38ff20ea7ef1b70913b3
- SSDEEP 49152:A3k03kHRJQeW4SkZP4sz9MbkqJtb2IRpYq:A3k03kHROfkZck06
- TLSH T120D52A16F6788362D073C0B9C5D2AA9AFE3234465B308ACB1349D72C2F277D5963A735
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 10 IoCs
resource yara_rule behavioral1/memory/3480-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x00070000000245e6-5.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/3376-7-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x0003000000022b83-12.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/3480-34-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/3376-47-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x000a000000021631-1020.dat INDICATOR_EXE_Packed_ASPack behavioral1/files/0x000200000002160a-1271.dat INDICATOR_EXE_Packed_ASPack behavioral1/files/0x00030000000168fc-1379.dat INDICATOR_EXE_Packed_ASPack behavioral1/files/0x000600000001e578-2005.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x00070000000245e6-5.dat aspack_v212_v242 behavioral1/files/0x0003000000022b83-12.dat aspack_v212_v242 behavioral1/files/0x000a000000021631-1020.dat aspack_v212_v242 behavioral1/files/0x000200000002160a-1271.dat aspack_v212_v242 behavioral1/files/0x00030000000168fc-1379.dat aspack_v212_v242 behavioral1/files/0x000600000001e578-2005.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3376 patcher.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinFirewall = "C:\\905c0769f9a06c95a24ddf945\\patcher.exe" 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinFirewall = "C:\\905c0769f9a06c95a24ddf945\\patcher.exe" patcher.exe - Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\SysWOW64\:\autorun.inf patcher.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\:\autorun.inf patcher.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Mozilla Firefox\firefox.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe$ 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jdb.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe$ 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE$ 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pptico.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedgewebview2.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateComRegisterShell64.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe$ 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\MicrosoftEdgeUpdate.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe$ 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\unpack200.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\rmid.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe$ 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe patcher.exe File created C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\cookie_exporter.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe patcher.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ExtExport.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeComRegisterShellARM64.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe$ 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe$ patcher.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\pwahelper.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge_proxy.exe$ 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe patcher.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe$ 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msotd.exe 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge_pwa_launcher.exe$ 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jjs.exe patcher.exe - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language patcher.exe - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3480 2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3376 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-14_5662a463133f7e3dca232c01ae414c1e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"1⤵
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
PID:3480
-
C:\905c0769f9a06c95a24ddf945\patcher.exeC:\905c0769f9a06c95a24ddf945\patcher.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3376
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 2.8MB
- SHA256 932dcc211d8e0bb7b6617b397d43d999a926773ff3ecb443b540fe41ee16138a
- MD5 5662a463133f7e3dca232c01ae414c1e
- SHA1 6bc7d5f2c0eeb4e743c4f8c5b8a2095bfe36b7cf
- SHA512 1c4e2d133c823469e25aaa8dc67c5b34cfa2bdda8fdf3c9e2ef1c94e8a0fe1d844b63cb3fa1ba06d90bdf06ed495dc6c67401876a17e38ff20ea7ef1b70913b3
- SSDEEP 49152:A3k03kHRJQeW4SkZP4sz9MbkqJtb2IRpYq:A3k03kHROfkZck06
- TLSH T120D52A16F6788362D073C0B9C5D2AA9AFE3234465B308ACB1349D72C2F277D5963A735
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe$
- Size 3.1MB
- SHA256 580c9343b68bdba76c8162112183c0d09e71708a27c046abd15cdeb5c35e2892
- MD5 ceacf70f83078def811b9ea38444b544
- SHA1 111478e0d8f1ea2989d482b27c1ab2614e7276e8
- SHA512 9a1c2c9d879d3b3a3003cd58a4fbc5a426ca9fda814f604ced9df6411224d36cff37f0247675ba2c7fa1b5bb8deb3f69dc1190b75521a5cecb10ce5e76213c6c
- SSDEEP 49152:A3k03kHRJQeW4SkZP4sz9MbkqJtb2IRpYqdUN+Eir:A3k03kHROfkZck060E
- TLSH T1A8E53A16F6788762D073C0B9C5D2AB9AFA3234425B308ACB1345C32D2F277D59A3A775
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 3.3MB
- SHA256 7687991e4c62c520dc7bd1022876d2cb7c7b0be1c784fee8ea2674f8c920c33b
- MD5 0d48727cea208ab8f14ab20381bd8f6c
- SHA1 d9f58c30e82ae825df0d1b74b043e1ff48a1f022
- SHA512 47cc41ffcbabcbc3fdaf25b23e398720580446b2c4e68eb37705c60436e5e57ab49460a02dc89ab5983fd130e539ec829947932dac3fff5760c32005817b1f68
- SSDEEP 49152:A3k03kHRJQeW4SkZP4sz9MbkqJtb2IRpYqjPji0Aj:A3k03kHROfkZck06Gjo
- TLSH T104F52916F6788322D073C0B9C5D2AA9AFE3234465B308ACB1345D76C2F277D6963A735
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$
- Size 2.8MB
- SHA256 60c0224c5e5b695189222572605301a521b3fdb030b8dbd39c319b7cc857dcbb
- MD5 423786becd40e177bc7aeba44fc73e3c
- SHA1 cb9d89466255f2150d3882c8fa1e0472864aa044
- SHA512 6e1a1fb1e783bb0360bea6322e15768caeee9a4042d4a81ec15aa95d09ce526fa929e437489f700e1f8dd75eb728c13733628a89f44c58b49fd44db98cedd75c
- SSDEEP 49152:A3k03kHRJQeW4SkZP4sz9MbkqJtb2IRpYqt:A3k03kHROfkZck06Y
- TLSH T1D0D53B16F6788322D073C0B9C5D6AA9AFE3138465B308ACB1349E7282F377D59636735
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
- Size 2.8MB
- SHA256 98404fcebe530af6e60f6400171e221e54cd2493b6b2420b36255c6d5dca5d71
- MD5 6185453c296ebb51f4cddee08c334663
- SHA1 92121785f3a3658a494448aa242fda502c58267e
- SHA512 3b115d2c8727cd2a6fc12655591f7c16c3b0c789c72f97d14b8812456b12bed7a4a7e28526bb9665067f2d247d042e8555626db256c5718b1d9b4c2c021ec415
- SSDEEP 49152:A3k03kHRJQeW4SkZP4sz9MbkqJtb2IRpYqk:A3k03kHROfkZck06t
- TLSH T18DD52A16F6788362D073C0B9C5D2AA9AFE3234465B308ACB1349D72C2F277D5963A735
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
- Size 3.2MB
- SHA256 577740a6480e102269ffd67a7f6ab2a1fb173dafa3363b999bdc7c188d23ca4d
- MD5 2c53f851bf1328ca469f8f199f9d8044
- SHA1 4517aef192582776c7ede281f06c021fd718ee1b
- SHA512 95ac3dfe85ee8b5a8649069dc402dc52a27115f848a342733dcaf8268af1c0d6e3ab341c7de00a40fc427f7fbf21562fdf124e273363c69c82683976344f2ec7
- SSDEEP 49152:A3k03kHRJQeW4SkZP4sz9MbkqJtb2IRpYq9Uasqc:A3k03kHROfkZck06OPF
- TLSH T127F53A26F6788332D0B3C0B9C5D6AA5AFE3134455B308ACB1349D72C2F276D6963A735
- MD5 SHA1 SHA512 SSDEEP TLSH