Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:21
Static task
static1
Behavioral task
behavioral1
Sample
17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe
Resource
win10v2004-en-20220112
General
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Target
17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe
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Size
92KB
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MD5
971c47a28d02eea1633e3f78c9fe16fe
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SHA1
9f69e39d03cfccb9ffb295a271317346aaf11185
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SHA256
17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef
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SHA512
4321ba49a0758764214bca6192ea2bfeb243bcea9b6194743203f5c928b2fcc07334c269d6ecd873fdb8343bf25e0cfc303e549b3ac99327c8cec795883703a3
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 3352 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.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\MonthID = "2" 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\CDNConnectionCount = "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\UploadRatePct = "100" 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\DownloadMonthlyRateBkCnt = "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\FrDownloadRatePct = "90" 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\DownloadMonthlyLinkLocalBytes = "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\UplinkUsageBps = "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\DownloadMonthlyCdnBytes = "90228624" 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\BkDownloadRatePct = "45" 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 = "4136" 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\MonthID = "1" 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 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\SwarmCount = "1" 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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.999951" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.499010" 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\Settings 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\LANConnectionCount = "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\CacheSizeBytes = "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\SwarmCount = "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 = "4348" 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\DownloadMonthlyRateFrBps = "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\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\DownloadMonthlyRateBkBps = "1157726" 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\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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892862133687500" 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\DownloadMonthlyRateBkBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3736 17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe Token: SeBackupPrivilege 2308 TiWorker.exe Token: SeRestorePrivilege 2308 TiWorker.exe Token: SeSecurityPrivilege 2308 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.execmd.exedescription pid process target process PID 3736 wrote to memory of 3352 3736 17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe MediaCenter.exe PID 3736 wrote to memory of 3352 3736 17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe MediaCenter.exe PID 3736 wrote to memory of 3352 3736 17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe MediaCenter.exe PID 3736 wrote to memory of 3672 3736 17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe cmd.exe PID 3736 wrote to memory of 3672 3736 17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe cmd.exe PID 3736 wrote to memory of 3672 3736 17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe cmd.exe PID 3672 wrote to memory of 2860 3672 cmd.exe PING.EXE PID 3672 wrote to memory of 2860 3672 cmd.exe PING.EXE PID 3672 wrote to memory of 2860 3672 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe"C:\Users\Admin\AppData\Local\Temp\17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3352 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17cbbd2309db9bd675f65a6b310fca254380ca8871e3ac89397f3949a366fcef.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2860
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3484
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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:2184
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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:2308
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
f076812c1e059152ba5cf9e1a8dc4544
SHA1fccf36636a0daaa4a8b5aedc8b37c0032cfae6cb
SHA2569d97242a927eea9384634e7086ad9c997888bda93b27a5b5d173115077ab4771
SHA512934a824008c488465648dbbf4bd97a84e11ecd93e06589ad17bd74fd237ebcbbc63b069b2d7120e503bf1d6654c52dbdb9e686fa4baf60aa97d2c47dba3ac9a7
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MD5
f076812c1e059152ba5cf9e1a8dc4544
SHA1fccf36636a0daaa4a8b5aedc8b37c0032cfae6cb
SHA2569d97242a927eea9384634e7086ad9c997888bda93b27a5b5d173115077ab4771
SHA512934a824008c488465648dbbf4bd97a84e11ecd93e06589ad17bd74fd237ebcbbc63b069b2d7120e503bf1d6654c52dbdb9e686fa4baf60aa97d2c47dba3ac9a7