Analysis
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max time kernel
161s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:55
Static task
static1
Behavioral task
behavioral1
Sample
0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe
Resource
win10v2004-en-20220112
General
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Target
0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe
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Size
89KB
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MD5
c54de1b6137cb5ba9f5f83ea30ecbbab
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SHA1
99caed0802488d3c309a96dc17794a9fc95346ae
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SHA256
0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e
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SHA512
284fe0da09869f74e2ff7d76a5ca44c9554ab1a46b54d1580e57f7b281cd83b2e357082b5c1e3437db1b5f60bb326324088d86c7a3fe03fc8abb10ec1eb8c2d8
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3004 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe -
Drops file in Windows directory 3 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription ioc process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Modifies data under HKEY_USERS 54 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893027442036959" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4192" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.031526" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4256" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.163666" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.592701" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4416" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe Token: SeRestorePrivilege 3068 TiWorker.exe Token: SeSecurityPrivilege 3068 TiWorker.exe Token: SeBackupPrivilege 3068 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.execmd.exedescription pid process target process PID 632 wrote to memory of 3004 632 0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe MediaCenter.exe PID 632 wrote to memory of 3004 632 0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe MediaCenter.exe PID 632 wrote to memory of 3004 632 0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe MediaCenter.exe PID 632 wrote to memory of 2860 632 0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe cmd.exe PID 632 wrote to memory of 2860 632 0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe cmd.exe PID 632 wrote to memory of 2860 632 0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe cmd.exe PID 2860 wrote to memory of 2524 2860 cmd.exe PING.EXE PID 2860 wrote to memory of 2524 2860 cmd.exe PING.EXE PID 2860 wrote to memory of 2524 2860 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe"C:\Users\Admin\AppData\Local\Temp\0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:632 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3004 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c43894c7bb0db4465051203b8a132be1998e6959ecbc8559cc20e5b5461526e.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2524
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1128
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1800
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3068
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
15857c1c576e6d7ccb41ce65b1527b84
SHA1c13a40890bdbccf4982f7c47abe777520a547b50
SHA256125e66356d36606bb2557c475f6d7313f3fb2381e1ea2dd282756f028f65ed23
SHA5122ef2c5651a3af7d301bc76444ae3d3f6022898f98accafac61d15e3c51fea39e7d39ac80cdf42d72f453874adffe5b2e3094e7f70b4950326511caa055a08b06
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MD5
15857c1c576e6d7ccb41ce65b1527b84
SHA1c13a40890bdbccf4982f7c47abe777520a547b50
SHA256125e66356d36606bb2557c475f6d7313f3fb2381e1ea2dd282756f028f65ed23
SHA5122ef2c5651a3af7d301bc76444ae3d3f6022898f98accafac61d15e3c51fea39e7d39ac80cdf42d72f453874adffe5b2e3094e7f70b4950326511caa055a08b06