Analysis
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max time kernel
189s -
max time network
204s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:41
Static task
static1
Behavioral task
behavioral1
Sample
0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe
Resource
win10v2004-en-20220112
General
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Target
0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe
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Size
100KB
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MD5
f524ce1c6d55b18dcd908178f0d40458
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SHA1
bbe54fdb21af247a701d640e6599c4b266fd5177
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SHA256
0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09
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SHA512
4c224b1cf54404e7b2b9860aa8a8648242c0aa90da36a05c2b4e638ee4f74703670de4a7cc69aa8808a063ece313dbc5e9eb1b52397bc54b55249d9b6cf3d4db
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 2996 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 52 IoCs
Processes:
svchost.exedescription ioc process 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\PeerInfoCount = "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\Usage\CPUpct = "0.008752" 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\UploadMonthlyInternetBytes = "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 = "4384" 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\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\PriorityDownloadPendingCount = "0" 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\DownloadMonthlyCdnBytes = "0" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.097403" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.357990" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.847404" 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\Config\DownloadMode_BackCompat = "1" 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\CacheSizeBytes = "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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893019685110287" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" 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\LANConnectionCount = "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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" 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\UploadMonthlyLanBytes = "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\NormalDownloadCount = "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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4068" 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\DownlinkUsageBps = "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 = "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\CDNConnectionCount = "0" 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\NormalDownloadPendingCount = "0" 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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exedescription pid process Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeIncBasePriorityPrivilege 2516 0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.execmd.exedescription pid process target process PID 2516 wrote to memory of 2996 2516 0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe MediaCenter.exe PID 2516 wrote to memory of 2996 2516 0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe MediaCenter.exe PID 2516 wrote to memory of 2996 2516 0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe MediaCenter.exe PID 2516 wrote to memory of 3640 2516 0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe cmd.exe PID 2516 wrote to memory of 3640 2516 0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe cmd.exe PID 2516 wrote to memory of 3640 2516 0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe cmd.exe PID 3640 wrote to memory of 1916 3640 cmd.exe PING.EXE PID 3640 wrote to memory of 1916 3640 cmd.exe PING.EXE PID 3640 wrote to memory of 1916 3640 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe"C:\Users\Admin\AppData\Local\Temp\0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2996 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ceb940beb21c0cfdec33a2ad8e682cac46079d9278d5f77e845cc91c0fcca09.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3640 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1916
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1180
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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:2544
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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:3416
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
0a3db21fd47510190a3d2c38074ee978
SHA177e77fa690a96be229370805ad22274b8252eef9
SHA2567e0c7c4378586778f21f1ff19f137bbda995bef35d43e18125d320d6e65b4193
SHA512dc1bd50fbd5515a8bb9791cd9415c39761077e26f2c0699ebff238c0a72a23c403259681c91fe0370511f76bda8aa2e82b419b4f6483e51939ffb08ed22241e8
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MD5
0a3db21fd47510190a3d2c38074ee978
SHA177e77fa690a96be229370805ad22274b8252eef9
SHA2567e0c7c4378586778f21f1ff19f137bbda995bef35d43e18125d320d6e65b4193
SHA512dc1bd50fbd5515a8bb9791cd9415c39761077e26f2c0699ebff238c0a72a23c403259681c91fe0370511f76bda8aa2e82b419b4f6483e51939ffb08ed22241e8