Analysis
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max time kernel
171s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:40
Static task
static1
Behavioral task
behavioral1
Sample
14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe
Resource
win10v2004-en-20220112
General
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Target
14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe
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Size
216KB
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MD5
efdff07fb8c20b30f10dd40d7092d799
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SHA1
afc66ce74905484fb662d0c78d8fb9f0777d4f59
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SHA256
14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717
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SHA512
7308521b7156117289e1bf5ce6a767d0246006d24c2eb933d7d703593bb5feed656fb037fc543b36835a876e63ab245669bb1f21585adc53ba8437bd1d932a04
Malware Config
Signatures
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Sakula Payload 4 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 behavioral2/memory/220-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3548-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3548 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\WinSxS\pending.xml 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\Logs\CBS\CBS.log 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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exeMusNotifyIcon.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 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 49 IoCs
Processes:
svchost.exedescription ioc process 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\SwarmCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\InternetConnectionCount = "0" 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 = "3.333284" 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\LinkLocalConnectionCount = "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\UploadCount = "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\Config\KVFileExpirationTime = "132892909851893750" 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\MemoryUsageKB = "4100" 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\PeerInfoCount = "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\LANConnectionCount = "0" 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 = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280" 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\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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.980423" 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\Usage\DownloadMonthlyLanBytes = "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\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\NormalDownloadCount = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\DownlinkBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 220 14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe Token: SeBackupPrivilege 3900 TiWorker.exe Token: SeRestorePrivilege 3900 TiWorker.exe Token: SeSecurityPrivilege 3900 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.execmd.exedescription pid process target process PID 220 wrote to memory of 3548 220 14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe MediaCenter.exe PID 220 wrote to memory of 3548 220 14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe MediaCenter.exe PID 220 wrote to memory of 3548 220 14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe MediaCenter.exe PID 220 wrote to memory of 2500 220 14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe cmd.exe PID 220 wrote to memory of 2500 220 14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe cmd.exe PID 220 wrote to memory of 2500 220 14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe cmd.exe PID 2500 wrote to memory of 1000 2500 cmd.exe PING.EXE PID 2500 wrote to memory of 1000 2500 cmd.exe PING.EXE PID 2500 wrote to memory of 1000 2500 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe"C:\Users\Admin\AppData\Local\Temp\14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3548 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14cfebe929d703332f9469dca7a6e6d720a10170abbff3dc338107a53aaa3717.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1000
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2932
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3672
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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:1912
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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:3900
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
5b296f288a3b1dbde093219e496e4aac
SHA1fafcd9dfb6c973a206859ad52820e98ff5bd526d
SHA2565587300608989f7324ef179e9f04ae41550a20c29c609d6c42474c8231d89a60
SHA512072c3f3439e17abe684fdc48182d374455f11a6543d7e293d8d1910aa173e77d3ff6715c7ab60cbf164e1420e72aa341d8e539a56ebff8e5c237b339d9a407df
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MD5
5b296f288a3b1dbde093219e496e4aac
SHA1fafcd9dfb6c973a206859ad52820e98ff5bd526d
SHA2565587300608989f7324ef179e9f04ae41550a20c29c609d6c42474c8231d89a60
SHA512072c3f3439e17abe684fdc48182d374455f11a6543d7e293d8d1910aa173e77d3ff6715c7ab60cbf164e1420e72aa341d8e539a56ebff8e5c237b339d9a407df