Analysis
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max time kernel
181s -
max time network
195s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 08:05
Static task
static1
Behavioral task
behavioral1
Sample
0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe
Resource
win10v2004-en-20220112
General
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Target
0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe
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Size
216KB
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MD5
294d8175c71c6e2b5adf407251686b51
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SHA1
58ed40421f8c41e6a6ce84642e7436e5669cd9dd
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SHA256
0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d
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SHA512
cd17fb4362723578684866fc5bd13378faa44c79f1fe5e4c86db1deef3774fe8bb8a4d9bc6fad4f4f0b9a1127f0e1c8564bcf07a1d333365b6a6bb14fe263f7a
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/1128-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2688-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2688 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.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 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 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\Usage\SwarmCount = "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\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.874986" 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\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\UploadCount = "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\UploadMonthlyLanBytes = "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\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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\FrDownloadRatePct = "90" 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\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\Config\DODownloadMode = "1" 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\MemoryUsageKB = "4328" 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\NormalDownloadPendingCount = "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\DownlinkBps = "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\UplinkBps = "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 = "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\MemoryUsageKB = "4044" 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\DownloadMonthlyCacheHostBytes = "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\SwarmCount = "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\UplinkUsageBps = "0" 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 = "11.539984" 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\Config\KVFileExpirationTime = "132893034450661666" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1128 0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe Token: SeBackupPrivilege 2496 TiWorker.exe Token: SeRestorePrivilege 2496 TiWorker.exe Token: SeSecurityPrivilege 2496 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.execmd.exedescription pid process target process PID 1128 wrote to memory of 2688 1128 0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe MediaCenter.exe PID 1128 wrote to memory of 2688 1128 0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe MediaCenter.exe PID 1128 wrote to memory of 2688 1128 0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe MediaCenter.exe PID 1128 wrote to memory of 1888 1128 0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe cmd.exe PID 1128 wrote to memory of 1888 1128 0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe cmd.exe PID 1128 wrote to memory of 1888 1128 0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe cmd.exe PID 1888 wrote to memory of 2576 1888 cmd.exe PING.EXE PID 1888 wrote to memory of 2576 1888 cmd.exe PING.EXE PID 1888 wrote to memory of 2576 1888 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe"C:\Users\Admin\AppData\Local\Temp\0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2688 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0bb44b3554d887079c978b8135e867dbd8f586d57daa5aa0a6be45792cdfb78d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2576
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2488
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3916
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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:1252
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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:2496
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
4e7dc869ab126b7f7198fc5c121cce4d
SHA169706227212df0c317384b93da1217a1366d3c64
SHA256e29705d1c074edba3b048dfe8655307e91a0f8f1132461316ffa612bd46214bf
SHA512cad74b7e51aa206ac332e542fa7765b5412a4661036ee554b0d3d91fed5147194f54beba034267e407cd5d68de10b31e9a44afc900eeab0d0c98609dc4dc5a08
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MD5
4e7dc869ab126b7f7198fc5c121cce4d
SHA169706227212df0c317384b93da1217a1366d3c64
SHA256e29705d1c074edba3b048dfe8655307e91a0f8f1132461316ffa612bd46214bf
SHA512cad74b7e51aa206ac332e542fa7765b5412a4661036ee554b0d3d91fed5147194f54beba034267e407cd5d68de10b31e9a44afc900eeab0d0c98609dc4dc5a08