Analysis
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max time kernel
177s -
max time network
195s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:44
Static task
static1
Behavioral task
behavioral1
Sample
14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe
Resource
win10v2004-en-20220112
General
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Target
14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe
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Size
216KB
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MD5
3d48f858531531962006cb4a93f9704c
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SHA1
c98fae213d566c1bd9506e635183a47599f7a497
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SHA256
14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280
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SHA512
9f2448ac2cb67b54cd95b132b297f1fd6aae82b6867f01e065597bad2feaf34198ec43642be9f20df626bbd617c233512c2858bc2359f511850dcf08d92b4e20
Malware Config
Signatures
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Sakula Payload 3 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/772-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1912 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exeMusNotifyIcon.exedescription ioc process 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 Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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\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\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\CDNConnectionCount = "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\MemoryUsageKB = "4284" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\DownloadMonthlyCdnBytes = "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\LinkLocalConnectionCount = "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\NormalDownloadPendingCount = "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\UploadCount = "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\DownloadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132892911887781070" 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\MemoryUsageKB = "4140" 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\MonthID = "2" 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\Config 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 (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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.204823" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.526322" 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\DownloadMode_BackCompat = "1" 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 (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\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\NormalDownloadCount = "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\DownloadMonthlyLinkLocalBytes = "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\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 (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\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 772 14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe Token: SeBackupPrivilege 2580 TiWorker.exe Token: SeRestorePrivilege 2580 TiWorker.exe Token: SeSecurityPrivilege 2580 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.execmd.exedescription pid process target process PID 772 wrote to memory of 1912 772 14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe MediaCenter.exe PID 772 wrote to memory of 1912 772 14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe MediaCenter.exe PID 772 wrote to memory of 1912 772 14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe MediaCenter.exe PID 772 wrote to memory of 2468 772 14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe cmd.exe PID 772 wrote to memory of 2468 772 14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe cmd.exe PID 772 wrote to memory of 2468 772 14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe cmd.exe PID 2468 wrote to memory of 3440 2468 cmd.exe PING.EXE PID 2468 wrote to memory of 3440 2468 cmd.exe PING.EXE PID 2468 wrote to memory of 3440 2468 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe"C:\Users\Admin\AppData\Local\Temp\14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1912 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3440
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:796
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1424
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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:3080
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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:2580
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d0474543d15c8b3e8dcda6b032fb52cc
SHA18908073f6c4b8ba8bd8e6fd76dede8ac6ccd20eb
SHA256f9161a3354718b7a5e7fcab82d5fdeefe37c8e6227ecf7335bc18b1d74fed679
SHA512ec23f75bc7486c147e09fc724c18708052af6f6bf408afaf931a5bcb21d97fbb66870f9dd68558148d61544a9913cab843264ac032d085b760d64bb90ea16108
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MD5
d0474543d15c8b3e8dcda6b032fb52cc
SHA18908073f6c4b8ba8bd8e6fd76dede8ac6ccd20eb
SHA256f9161a3354718b7a5e7fcab82d5fdeefe37c8e6227ecf7335bc18b1d74fed679
SHA512ec23f75bc7486c147e09fc724c18708052af6f6bf408afaf931a5bcb21d97fbb66870f9dd68558148d61544a9913cab843264ac032d085b760d64bb90ea16108