Analysis
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max time kernel
157s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:45
Static task
static1
Behavioral task
behavioral1
Sample
0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe
Resource
win10v2004-en-20220112
General
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Target
0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe
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Size
216KB
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MD5
3354d7efbc9a134d498d180f2bdb02b3
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SHA1
50951d86b99a6d0795e6e347cf8e114a3fa45805
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SHA256
0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4
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SHA512
4bdb961e4027be937fb0b04825fe640bb1fc81fb0c94e533f3b425229fdd101d40b69b79580f56c7e5ccb055beca106a4594a23e9031b0ab765a9b42b3ee78d0
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/644-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/4068-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4068 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.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 51 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.830295" 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\DownloadMonthlyRateFrCnt = "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\Config\KVFileExpirationTime = "132893022160190028" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019693" 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\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 (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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.570991" 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\CacheSizeBytes = "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\UploadRatePct = "100" 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\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 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\DownloadMonthlyCacheHostBytes = "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\MemoryUsageKB = "3960" 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\NormalDownloadPendingCount = "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\DownloadMonthlyLinkLocalBytes = "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\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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\FrDownloadRatePct = "90" 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\PriorityDownloadPendingCount = "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\PeerInfoCount = "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\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\MemoryUsageKB = "4076" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe Token: SeRestorePrivilege 3984 TiWorker.exe Token: SeSecurityPrivilege 3984 TiWorker.exe Token: SeBackupPrivilege 3984 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.execmd.exedescription pid process target process PID 644 wrote to memory of 4068 644 0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe MediaCenter.exe PID 644 wrote to memory of 4068 644 0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe MediaCenter.exe PID 644 wrote to memory of 4068 644 0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe MediaCenter.exe PID 644 wrote to memory of 1668 644 0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe cmd.exe PID 644 wrote to memory of 1668 644 0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe cmd.exe PID 644 wrote to memory of 1668 644 0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe cmd.exe PID 1668 wrote to memory of 3500 1668 cmd.exe PING.EXE PID 1668 wrote to memory of 3500 1668 cmd.exe PING.EXE PID 1668 wrote to memory of 3500 1668 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe"C:\Users\Admin\AppData\Local\Temp\0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:644 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4068 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0cad357cc901a68ce19401e1e6bb2ed3e4fb66f5ee8a676ef91a1d0a518ae4a4.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3500
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3472
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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:816
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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:3984
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
4e7ed290d4912ae9a0e3fb91f8ba4863
SHA1453cc308fc74771361510a99a3db741be7787b7f
SHA25686e471a991a5a2d766ed6f7dba399ffdbfbc44e6ce0b9ef0c88aa0fede23cb85
SHA512f29b5b6779932f1681da17bcc96ea9b6513598a023d3ca0e0cab8367ef89ab62a187fda418b1360fcc3d5801e487e9ba72282b94443c686aad6b84a1c35a7991
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MD5
4e7ed290d4912ae9a0e3fb91f8ba4863
SHA1453cc308fc74771361510a99a3db741be7787b7f
SHA25686e471a991a5a2d766ed6f7dba399ffdbfbc44e6ce0b9ef0c88aa0fede23cb85
SHA512f29b5b6779932f1681da17bcc96ea9b6513598a023d3ca0e0cab8367ef89ab62a187fda418b1360fcc3d5801e487e9ba72282b94443c686aad6b84a1c35a7991