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Analysis
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max time kernel
150s -
max time network
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platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
22/09/2022, 18:32
Static task
static1
Behavioral task
behavioral1
Sample
47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe
Resource
win10-20220901-en
General
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Target
47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe
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Size
723KB
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MD5
88e5b5ee593b2ca10c1290b2712d4f64
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SHA1
cd894557eadd4e12dd4baadec644fc057bbd4a45
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SHA256
47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150
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SHA512
bc3086b6d74d120def253bb13f5240353986750488490296bc2417dc69222864dbabe6e7808f1aebe3e5e592a35b64f069fc692286a32c181a8d0995db8ed3e4
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SSDEEP
768:rZmchlXKGREW6VA6joSRhFH+C9Pe2auEqainmngYWxuv8Gwmwoe9R4ZstojtfcWv:schl6M+lpDCUoHid0bIrlyR
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 4832 dllhost.exe -
Adds Run key to start application 2 TTPs 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\NvStray = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cortana = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe\\Cortana.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "C:\\Windows\\System32\\wbem\\WmiPrvSE.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\AntiMalwareServiceExecutable = "C:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\4.18.2111.5-0\\MsMpEng.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdgeUpd = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "C:\\ProgramData\\Dllhost\\dllhost.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSystray = "C:\\Windows\\System32\\SecurityHealthSystray.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Program Files\\Windows Defender\\MpCmdRun.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\OneDriveService = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3912 schtasks.exe 1332 schtasks.exe 2348 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5072 powershell.exe 5072 powershell.exe 5072 powershell.exe 2832 powershell.exe 2832 powershell.exe 2832 powershell.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe 4832 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 1304 47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe Token: SeDebugPrivilege 2832 powershell.exe Token: SeDebugPrivilege 4832 dllhost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1304 wrote to memory of 4224 1304 47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe 66 PID 1304 wrote to memory of 4224 1304 47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe 66 PID 1304 wrote to memory of 4224 1304 47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe 66 PID 4224 wrote to memory of 1204 4224 cmd.exe 68 PID 4224 wrote to memory of 1204 4224 cmd.exe 68 PID 4224 wrote to memory of 1204 4224 cmd.exe 68 PID 4224 wrote to memory of 5072 4224 cmd.exe 69 PID 4224 wrote to memory of 5072 4224 cmd.exe 69 PID 4224 wrote to memory of 5072 4224 cmd.exe 69 PID 4224 wrote to memory of 2832 4224 cmd.exe 70 PID 4224 wrote to memory of 2832 4224 cmd.exe 70 PID 4224 wrote to memory of 2832 4224 cmd.exe 70 PID 1304 wrote to memory of 4832 1304 47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe 71 PID 1304 wrote to memory of 4832 1304 47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe 71 PID 1304 wrote to memory of 4832 1304 47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe 71 PID 4832 wrote to memory of 1616 4832 dllhost.exe 72 PID 4832 wrote to memory of 1616 4832 dllhost.exe 72 PID 4832 wrote to memory of 1616 4832 dllhost.exe 72 PID 4832 wrote to memory of 1964 4832 dllhost.exe 73 PID 4832 wrote to memory of 1964 4832 dllhost.exe 73 PID 4832 wrote to memory of 1964 4832 dllhost.exe 73 PID 4832 wrote to memory of 4656 4832 dllhost.exe 74 PID 4832 wrote to memory of 4656 4832 dllhost.exe 74 PID 4832 wrote to memory of 4656 4832 dllhost.exe 74 PID 4832 wrote to memory of 4664 4832 dllhost.exe 75 PID 4832 wrote to memory of 4664 4832 dllhost.exe 75 PID 4832 wrote to memory of 4664 4832 dllhost.exe 75 PID 4832 wrote to memory of 4676 4832 dllhost.exe 77 PID 4832 wrote to memory of 4676 4832 dllhost.exe 77 PID 4832 wrote to memory of 4676 4832 dllhost.exe 77 PID 4832 wrote to memory of 3140 4832 dllhost.exe 76 PID 4832 wrote to memory of 3140 4832 dllhost.exe 76 PID 4832 wrote to memory of 3140 4832 dllhost.exe 76 PID 4832 wrote to memory of 2412 4832 dllhost.exe 78 PID 4832 wrote to memory of 2412 4832 dllhost.exe 78 PID 4832 wrote to memory of 2412 4832 dllhost.exe 78 PID 4832 wrote to memory of 1712 4832 dllhost.exe 82 PID 4832 wrote to memory of 1712 4832 dllhost.exe 82 PID 4832 wrote to memory of 1712 4832 dllhost.exe 82 PID 4832 wrote to memory of 1920 4832 dllhost.exe 84 PID 4832 wrote to memory of 1920 4832 dllhost.exe 84 PID 4832 wrote to memory of 1920 4832 dllhost.exe 84 PID 4832 wrote to memory of 1652 4832 dllhost.exe 86 PID 4832 wrote to memory of 1652 4832 dllhost.exe 86 PID 4832 wrote to memory of 1652 4832 dllhost.exe 86 PID 4832 wrote to memory of 32 4832 dllhost.exe 87 PID 4832 wrote to memory of 32 4832 dllhost.exe 87 PID 4832 wrote to memory of 32 4832 dllhost.exe 87 PID 4832 wrote to memory of 2236 4832 dllhost.exe 88 PID 4832 wrote to memory of 2236 4832 dllhost.exe 88 PID 4832 wrote to memory of 2236 4832 dllhost.exe 88 PID 1616 wrote to memory of 3912 1616 cmd.exe 96 PID 1616 wrote to memory of 3912 1616 cmd.exe 96 PID 1616 wrote to memory of 3912 1616 cmd.exe 96 PID 4656 wrote to memory of 1332 4656 cmd.exe 97 PID 4656 wrote to memory of 1332 4656 cmd.exe 97 PID 4656 wrote to memory of 1332 4656 cmd.exe 97 PID 2412 wrote to memory of 2348 2412 cmd.exe 98 PID 2412 wrote to memory of 2348 2412 cmd.exe 98 PID 2412 wrote to memory of 2348 2412 cmd.exe 98 PID 4832 wrote to memory of 4564 4832 dllhost.exe 99 PID 4832 wrote to memory of 4564 4832 dllhost.exe 99 PID 4832 wrote to memory of 4564 4832 dllhost.exe 99 PID 4564 wrote to memory of 4480 4564 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe"C:\Users\Admin\AppData\Local\Temp\47a88a3a4ba98ca41f699ab2a600560be0e841047b8396a2cdd3f0759c4ab150.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"2⤵
- Suspicious use of WriteProcessMemory
PID:4224 -
C:\Windows\SysWOW64\chcp.comchcp 12513⤵PID:1204
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5072
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2832
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C:\ProgramData\Dllhost\dllhost.exe"C:\ProgramData\Dllhost\dllhost.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:1616 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:3912
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:1964
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:1332
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4664
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:3140
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4676
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:2412 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:2348
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:1712
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk122" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:1920
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk1104" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:1652
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk5199" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:32
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk8356" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:2236
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off3⤵
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:4480
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off3⤵PID:3244
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:1748
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off3⤵PID:4616
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:224
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
916KB
MD504e85e724bca24709297d99204cd8bc3
SHA177aa0364f80b6b09d16376aec336725850a71768
SHA25662683b01e7b870bb964d0173985e1c9b6dc6046e4a5570fca9419c0eb97b1dd4
SHA512ffec2b1eb3c29f2e3eb4599ae5e6b876df84a53fb15ffcc82514cbdc0c2529e3030e1a7258abf4038af23dbb45d903b09cd5e27194bbed26fd114673316bedc5
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Filesize
916KB
MD504e85e724bca24709297d99204cd8bc3
SHA177aa0364f80b6b09d16376aec336725850a71768
SHA25662683b01e7b870bb964d0173985e1c9b6dc6046e4a5570fca9419c0eb97b1dd4
SHA512ffec2b1eb3c29f2e3eb4599ae5e6b876df84a53fb15ffcc82514cbdc0c2529e3030e1a7258abf4038af23dbb45d903b09cd5e27194bbed26fd114673316bedc5
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Filesize
497B
MD513fda2ab01b83a5130842a5bab3892d3
SHA16e18e4b467cde054a63a95d4dfc030f156ecd215
SHA25676973d42c8fceceab7ec85b3d01b218db92564993e93a9bea31c52aa73aeee9e
SHA512c51f9fd6e452fbeeedd4dfaba3c7c887e337f01e68abdd27d4032f8be85def7ef3cf0c77bf60e425b085b76c0539464c6b6e5e805a69397c5519e8ccf9fffccc
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Filesize
2KB
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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Filesize
18KB
MD55e2b495d75c5336229ce9d752396db23
SHA1080f742d718f9500a3c55e7fc5ece4cb75ae344e
SHA2564f7441938bea4090068f9ddcc8af6508e751d3d6c623e3b13c8f1138c326a482
SHA512b055c6b9c6a543e655de828a79f78376372e18c3fd4d301793029e8334dae92193aabcc14690330d6ed2d9a5c180011b2958a95cd14fb5ba43b85746dd63a697