Analysis
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max time kernel
158s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:46
Static task
static1
Behavioral task
behavioral1
Sample
0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe
Resource
win10v2004-en-20220112
General
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Target
0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe
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Size
101KB
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MD5
28b122a373ba533fb0141b9f51f1463a
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SHA1
88070fb9a1a9c3e6e6f72de6a4267c7b4c6912f4
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SHA256
0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38
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SHA512
ff8dfbc404ccbfbebb94da40cfc4b8e40b1d01620478b80a09838a73e0beaca85cdafcca699203a240e3bca79ef311a7517fbeefe618c847a5635b3efd8ad584
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 3764 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.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 (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\MonthID = "2" 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\DownloadMonthlyCdnBytes = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\CacheSizeBytes = "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\DownloadMonthlyRateFrCnt = "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\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\GroupConnectionCount = "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\UploadCount = "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\DownloadMonthlyRateBkBps = "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\FrDownloadRatePct = "90" 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\Config\DownloadMode_BackCompat = "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\DownlinkUsageBps = "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\DownloadMonthlyRateBkBps = "1157726" 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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4376" 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\UplinkUsageBps = "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\LinkLocalConnectionCount = "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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.666642" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "14.998704" 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\UplinkBps = "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\NormalDownloadPendingCount = "0" 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\Config\KVFileExpirationTime = "132892985243677410" 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\DownlinkBps = "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\PriorityDownloadCount = "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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exedescription pid process Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeIncBasePriorityPrivilege 1224 0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe Token: SeBackupPrivilege 3296 TiWorker.exe Token: SeRestorePrivilege 3296 TiWorker.exe Token: SeSecurityPrivilege 3296 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.execmd.exedescription pid process target process PID 1224 wrote to memory of 3764 1224 0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe MediaCenter.exe PID 1224 wrote to memory of 3764 1224 0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe MediaCenter.exe PID 1224 wrote to memory of 3764 1224 0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe MediaCenter.exe PID 1224 wrote to memory of 3952 1224 0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe cmd.exe PID 1224 wrote to memory of 3952 1224 0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe cmd.exe PID 1224 wrote to memory of 3952 1224 0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe cmd.exe PID 3952 wrote to memory of 3168 3952 cmd.exe PING.EXE PID 3952 wrote to memory of 3168 3952 cmd.exe PING.EXE PID 3952 wrote to memory of 3168 3952 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe"C:\Users\Admin\AppData\Local\Temp\0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3764 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f080000eaa8b1a941a1789433be97739ee1a13966627cbddac53f651649ee38.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3168
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2376
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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:2936
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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:3296
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
df2732374342e23bd7fdb9639e24c731
SHA192417dd8dff1ebb77969606d7824c5ae2ef92e50
SHA256c5799a2d465a99e64ad2cd2df143486fcf34631770d4cacfab020350d1a77721
SHA512072343e4dcbb9fb2fa4a97e2da9d4eb003617bfb34ab3183c75378b1e909ddb2d1195b79b2ad2c5fd6454b6c88cc49f4c8282fae2b722befba3e5a12fe842982
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MD5
df2732374342e23bd7fdb9639e24c731
SHA192417dd8dff1ebb77969606d7824c5ae2ef92e50
SHA256c5799a2d465a99e64ad2cd2df143486fcf34631770d4cacfab020350d1a77721
SHA512072343e4dcbb9fb2fa4a97e2da9d4eb003617bfb34ab3183c75378b1e909ddb2d1195b79b2ad2c5fd6454b6c88cc49f4c8282fae2b722befba3e5a12fe842982