Analysis
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max time kernel
183s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:53
Static task
static1
Behavioral task
behavioral1
Sample
0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe
Resource
win10v2004-en-20220112
General
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Target
0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe
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Size
216KB
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MD5
985773b809bf939e3c43f4b636e0b5a3
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SHA1
4def3921a0e76b55ae53f3c7451e8953833337b5
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SHA256
0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038
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SHA512
09ba41a9f967d047d01b2f2953043985d0af21e576d2fa41455f07872402ebe3fdc07e467ff0f97f1b8a7ebb43f5f023e8bcef8d75f5f5db998c22c19e7fcbf5
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/484-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3060-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3060 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.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 49 IoCs
Processes:
svchost.exedescription ioc process 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\UploadMonthlyLanBytes = "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\SwarmCount = "1" 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\MemoryUsageKB = "4180" 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\Settings 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.500056" 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\DownloadMonthlyCacheHostBytes = "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\LinkLocalConnectionCount = "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\UploadCount = "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\Config\KVFileExpirationTime = "132893026858640917" 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\CDNConnectionCount = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.272851" 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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4380" 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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" 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\Usage 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\MonthID = "2" 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\DownlinkBps = "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\PriorityDownloadCount = "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\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 484 0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.execmd.exedescription pid process target process PID 484 wrote to memory of 3060 484 0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe MediaCenter.exe PID 484 wrote to memory of 3060 484 0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe MediaCenter.exe PID 484 wrote to memory of 3060 484 0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe MediaCenter.exe PID 484 wrote to memory of 1852 484 0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe cmd.exe PID 484 wrote to memory of 1852 484 0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe cmd.exe PID 484 wrote to memory of 1852 484 0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe cmd.exe PID 1852 wrote to memory of 3144 1852 cmd.exe PING.EXE PID 1852 wrote to memory of 3144 1852 cmd.exe PING.EXE PID 1852 wrote to memory of 3144 1852 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe"C:\Users\Admin\AppData\Local\Temp\0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:484 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3060 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c6b397f5fe55d4de41e4ffd9638d0d20494199ca7aea85318e4ac40668c6038.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3144
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2028
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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:3588
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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:3796
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
73dc6b01f287ffe82ecd86b763cb5908
SHA1f4455bb5325588fcf8e6fbafbb50bf066cdd171f
SHA2568b98b729e5f1a47cb092f3cabc9ce614bd05e5364e43988a9496c24ff41d3801
SHA5123647542b7b458836237cc9c8f9670c8787dbaea64ad6b978fa955a7060d26de405e06796b455886b07d25a4b7b81d91da22fb0fc2d6cbb33ce66b5af29ba5828
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MD5
73dc6b01f287ffe82ecd86b763cb5908
SHA1f4455bb5325588fcf8e6fbafbb50bf066cdd171f
SHA2568b98b729e5f1a47cb092f3cabc9ce614bd05e5364e43988a9496c24ff41d3801
SHA5123647542b7b458836237cc9c8f9670c8787dbaea64ad6b978fa955a7060d26de405e06796b455886b07d25a4b7b81d91da22fb0fc2d6cbb33ce66b5af29ba5828