Analysis
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max time kernel
155s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:37
Static task
static1
Behavioral task
behavioral1
Sample
1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe
Resource
win10v2004-en-20220112
General
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Target
1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe
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Size
79KB
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MD5
10cba857794592e534406575ba522107
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SHA1
a4f00241f9ccd0c2a717d0f5719ab9c0498797c0
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SHA256
1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c
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SHA512
ffe13fddae1ba2af87a83b5caa767a2af94c702e2ad6752abdc6a7ede37710c972e7b5c0cbe118b51975472850486821d4fd9044c2b3769624d80aee4d8ef904
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 3672 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe 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 -
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\DownloadMonthlyGroupBytes = "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\UploadMonthlyLanBytes = "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\MonthID = "2" 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\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.371749" 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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" 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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892871867189295" 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\NormalDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\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\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" 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 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\DownloadMonthlyLinkLocalBytes = "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\PeerInfoCount = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.205640" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4060" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172" 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\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\Usage\LinkLocalConnectionCount = "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\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\GroupConnectionCount = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.078616" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2032 1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe Token: SeBackupPrivilege 1160 TiWorker.exe Token: SeRestorePrivilege 1160 TiWorker.exe Token: SeSecurityPrivilege 1160 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.execmd.exedescription pid process target process PID 2032 wrote to memory of 3672 2032 1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe MediaCenter.exe PID 2032 wrote to memory of 3672 2032 1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe MediaCenter.exe PID 2032 wrote to memory of 3672 2032 1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe MediaCenter.exe PID 2032 wrote to memory of 2312 2032 1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe cmd.exe PID 2032 wrote to memory of 2312 2032 1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe cmd.exe PID 2032 wrote to memory of 2312 2032 1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe cmd.exe PID 2312 wrote to memory of 3648 2312 cmd.exe PING.EXE PID 2312 wrote to memory of 3648 2312 cmd.exe PING.EXE PID 2312 wrote to memory of 3648 2312 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe"C:\Users\Admin\AppData\Local\Temp\1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3672 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1729ec94765f31cb4a98d2355a447dc978d5971ef4e6eac91fdb5b65576cd70c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3648
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3872
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2264
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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:2668
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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:1160
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
23e18ff35a747c7b710662b36e3797d8
SHA1bf1d6f046e3a5dc33f4468cf990a9d954926c290
SHA256765cb5e23b1090ecda9f510e0b77ef85404afb3dcbc3d2017db77a03c825956a
SHA512bc1e143c0b67c3e1f30a0da387cc5288cac65045d9029fd3acfe9fd7e23f3881e9320a17de713a8b9245d1ad73b62c75a9f7331a2b5cd1957b5c3007e711bd4b
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MD5
23e18ff35a747c7b710662b36e3797d8
SHA1bf1d6f046e3a5dc33f4468cf990a9d954926c290
SHA256765cb5e23b1090ecda9f510e0b77ef85404afb3dcbc3d2017db77a03c825956a
SHA512bc1e143c0b67c3e1f30a0da387cc5288cac65045d9029fd3acfe9fd7e23f3881e9320a17de713a8b9245d1ad73b62c75a9f7331a2b5cd1957b5c3007e711bd4b