Analysis
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max time kernel
172s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:26
Static task
static1
Behavioral task
behavioral1
Sample
12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe
Resource
win10v2004-en-20220112
General
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Target
12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe
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Size
150KB
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MD5
45dfe1d0b5e770408616130a450af7d6
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SHA1
8573d4bd8fa79ae3e8d20c13d65d13768b330795
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SHA256
12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709
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SHA512
5a2f7c0ab51b60fcdd4934aa8e438f6eccd4f4bd59ab4655a42ec56fb5dd258d115494a9c5a1ab0b622abde54d5dbce739f86301108796850c73a19049308cbe
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 4012 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.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 53 IoCs
Processes:
svchost.exedescription ioc process 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\GroupConnectionCount = "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\PeerInfoCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.144222" 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\CDNConnectionCount = "0" 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.666639" 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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" 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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" 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\UploadMonthlyInternetBytes = "0" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892937110968159" 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\UplinkBps = "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\Usage\DownloadMonthlyInternetBytes = "0" 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\MemoryUsageKB = "4380" 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\DownlinkUsageBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.925944" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\LinkLocalConnectionCount = "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\MonthID = "2" 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\DownloadMonthlyRateFrBps = "0" 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\UploadCount = "0" 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\DownloadMonthlyLanBytes = "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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124" 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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3332 12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe Token: SeBackupPrivilege 3884 TiWorker.exe Token: SeRestorePrivilege 3884 TiWorker.exe Token: SeSecurityPrivilege 3884 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.execmd.exedescription pid process target process PID 3332 wrote to memory of 4012 3332 12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe MediaCenter.exe PID 3332 wrote to memory of 4012 3332 12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe MediaCenter.exe PID 3332 wrote to memory of 4012 3332 12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe MediaCenter.exe PID 3332 wrote to memory of 968 3332 12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe cmd.exe PID 3332 wrote to memory of 968 3332 12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe cmd.exe PID 3332 wrote to memory of 968 3332 12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe cmd.exe PID 968 wrote to memory of 364 968 cmd.exe PING.EXE PID 968 wrote to memory of 364 968 cmd.exe PING.EXE PID 968 wrote to memory of 364 968 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe"C:\Users\Admin\AppData\Local\Temp\12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4012 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12bcf36cf68e923294f645af90f1a7a21ced8a12450c7aa4b23968c76f513709.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:364
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3944
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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:3440
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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:3884
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d91d97bfb7dfa87f8ad14ac2b68cb87d
SHA193ea185718f4459a56ed8d3254c0dd2555fee6aa
SHA256f4b71fa6feeabf9c924122e11070d858ccd35063c4cbfc553ec018e26321f367
SHA512daa41d42b50b804229bfc010b849ab26435ea9011fa27b4bd6640ef6ea6bf97f9160ec9e2669b43568e925b26bb0f06d93a798b2183af6b6980c2ff0f4eeab62
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MD5
d91d97bfb7dfa87f8ad14ac2b68cb87d
SHA193ea185718f4459a56ed8d3254c0dd2555fee6aa
SHA256f4b71fa6feeabf9c924122e11070d858ccd35063c4cbfc553ec018e26321f367
SHA512daa41d42b50b804229bfc010b849ab26435ea9011fa27b4bd6640ef6ea6bf97f9160ec9e2669b43568e925b26bb0f06d93a798b2183af6b6980c2ff0f4eeab62