Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/10/2026, 15:15

General

  • Target
    ec9ce67a4e1e3cc9a54a295e18d087bf5c42aa55fb8e0f58018d13cf76405471.exe
  • Size 8.7MB
  • Sample261003-sm8bysss8r
  • SHA256 ec9ce67a4e1e3cc9a54a295e18d087bf5c42aa55fb8e0f58018d13cf76405471
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 22 IoCs
  • Adds Run key to start application 2 TTPs 18 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 18 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Detect suspicious telegram bot 12 IoCs

    Detect suspicious telegram bot.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 46 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 23 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec9ce67a4e1e3cc9a54a295e18d087bf5c42aa55fb8e0f58018d13cf76405471.exe
    "C:\Users\Admin\AppData\Local\Temp\ec9ce67a4e1e3cc9a54a295e18d087bf5c42aa55fb8e0f58018d13cf76405471.exe"
    1⤵
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4992
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsInternal.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsInternal.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5644
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsInternal.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsInternal.exe"
    1⤵
    • Deletes itself
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\CoreSystem.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\CoreSystem.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1784
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\CoreSystem.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\CoreSystem.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1260
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4256
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1592
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3100
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5632
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemTrayHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1676
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemTrayHelper.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3572
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3428
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\SecurityCore.exe
      "C:\Users\Admin\AppData\Local\Temp\SecurityCore.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3644
  • C:\Users\Admin\AppData\Local\Temp\SecurityCore.exe
    "C:\Users\Admin\AppData\Local\Temp\\SecurityCore.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\RuntimeBroker32.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:2388
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\RuntimeBroker32.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1216
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\UpdateService.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    PID:3380
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\BackgroundTask.exe" --monitor
      2⤵
        PID:4316
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\BackgroundTask.exe"
      1⤵
        PID:1468

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            103621DE9CD5414CC2538780B4B75751

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
            • Size 808B
            • SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
            • MD5 SHA1 SHA512 TLSH

            18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
            • Size 313B
            • SHA256 acb9d981851f4c3271fad627cdfda2a2d8599028a2b9b0f06fd24acd3767dcad
            • MD5 SHA1 SHA512 TLSH

            223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
            • Size 2KB
            • SHA256 749860344f94a12e314cdb27fc86b31285596137f12714a6443e366934020d67
            • MD5 SHA1 SHA512 TLSH

            421EC2E1E0F47FC59DB99BB19E16DA88

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
            • Size 280B
            • SHA256 b58f7696fc81ea50570304ba19a94ac07ef88f00cb18545c035b4dc13205bfef
            • MD5 SHA1 SHA512 TLSH

            49A7F8B8A2FD8A9E65352CD7C88B1D10

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
            • Size 181KB
            • SHA256 abe3e0f4688d4aa9ce35d9ac4da33eabe83049d06581f10d0647254a32e54280
            • MD5 SHA1 SHA512 SSDEEP TLSH

            D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
            • Size 976B
            • SHA256 8c7602efe22cb85666dfca8b597ad0f33617fdd861c8bf7e951c305dfe59b3dc
            • MD5 SHA1 SHA512 TLSH

            DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
            • Size 2KB
            • SHA256 57c2ac700d8b52ae8edcdda9ac8069ab4dc4ea1233a73844b32803889da2b052
            • MD5 SHA1 SHA512 TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 701B
            • SHA256 108dd34232a3088b45534933d0486409616a2bbad94fd8f7ab5991c01ff179b6
            • MD5 SHA1 SHA512 TLSH

            103621DE9CD5414CC2538780B4B75751

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
            • Size 192B
            • SHA256 28c501e8c9c818d20982f520bdcdca5ab5244b0c362e264d46fb73c66a4e2679
            • MD5 SHA1 SHA512 TLSH

            18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
            • Size 488B
            • SHA256 262ca01bf36126b677fc39d37654ae0ccc1725af0040663f2f2d6926fdaf136c
            • MD5 SHA1 SHA512 TLSH

            223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
            • Size 450B
            • SHA256 3702e9107b69d0c403064c8fa606c45737c34b6c8f95fe16f878fb1dc26fe168
            • MD5 SHA1 SHA512 TLSH

            421EC2E1E0F47FC59DB99BB19E16DA88

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
            • Size 484B
            • SHA256 8c5813572283345058012fb62d0f78ab147fd66d14f2e8bec90939f60e7be3aa
            • MD5 SHA1 SHA512 TLSH

            49A7F8B8A2FD8A9E65352CD7C88B1D10

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
            • Size 248B
            • SHA256 0cba36e983d6f020e402d35cd54ea5a0acf4e01541223e26324c4c0af8b6018a
            • MD5 SHA1 SHA512 TLSH

            D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
            • Size 488B
            • SHA256 034ac8b036527a53578fb7d1e390cd425e780c9d16c8393da4e824d47e62017e
            • MD5 SHA1 SHA512 TLSH

            DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
            • Size 474B
            • SHA256 adeb902ddc0aa51404ef41123de652a7c28ed3930462169000c9f9fe1cfd892e
            • MD5 SHA1 SHA512 TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 192B
            • SHA256 73e33e762ab3c7128443823cdb482df126625edf9698e04d790faede8310d443
            • MD5 SHA1 SHA512 TLSH

            WindowsInternal.exe

            • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsInternal.exe
            • Size 8.8MB
            • SHA256 d13f85c1997463375ed87839f64017733b29f99169e4745efc61b4035aec986a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackgroundTask.exe

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe
            • Size 9.6MB
            • SHA256 d9026e2f83f9c1b1ab4455fa979aac6ef84c0fa2c9d17ae943cbcdafc3e62db8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RuntimeBroker32.exe

            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\RuntimeBroker32.exe
            • Size 9.9MB
            • SHA256 74f96c475f0758252029b3244ba04b5d95cef5292c376d3f7502b1ecb7c5d9ed
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackgroundTask.exe

            • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\BackgroundTask.exe
            • Size 10.1MB
            • SHA256 35c474076d8743a916e4d3122bf68012311e4731d6570ff4c36a5bd2687b94a0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            UpdateService.exe

            • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe
            • Size 10.0MB
            • SHA256 b5edf697db87b00949862bc78e86d1211df73368870c5fac4feb7e6c78a3f5ac
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SecurityCore.exe

            • Path C:\Users\Admin\AppData\Local\Temp\SecurityCore.exe
            • Size 9.8MB
            • SHA256 dee10858db42d0d61e1c56dc2ef23be3b3953379b3300e194e77dbf35d92b36b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SystemHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe
            • Size 9.1MB
            • SHA256 35f986a16884afa8404a94a68bc9345d58e00d4db45a4f47d27b1015ce9d696b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CoreSystem.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\CoreSystem.exe
            • Size 9.0MB
            • SHA256 f54a7cc03863a4ca4f5cb7ea5a3f2ed60bca83000941d8107be38337e4c086d5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ServiceHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
            • Size 9.5MB
            • SHA256 931dd5e6e621ff980c0d8ffc3706a1b09199c022748fb467784d19a9f2c17536
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackgroundTask.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
            • Size 9.3MB
            • SHA256 2f94532a6461657be9e8d82bc0306438fa4f7592d9f6a1f41dd0e276087920c3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SystemTrayHelper.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemTrayHelper.exe
            • Size 9.4MB
            • SHA256 6c7150b2647c8e6bed3bc93259b97115a9efffcc22a3a247be62a922599d7eed
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsHost.exe
            • Size 9.2MB
            • SHA256 89e2971c305a6dca4f975744a80ae27ae10803df3eaba3c53817d1928932d088
            • MD5 SHA1 SHA512 SSDEEP TLSH