Analysis
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max time kernel
152s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 08:10
Static task
static1
Behavioral task
behavioral1
Sample
0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe
Resource
win10v2004-en-20220112
General
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Target
0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe
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Size
92KB
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MD5
74f04b0cf135a77879483d2da60a9e66
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SHA1
f3fde8eb1a7ed55770aca98d46d3a167ff488118
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SHA256
0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143
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SHA512
87e2bfbfe295e8f51e5deb440074891b7385887db2d3e03f2e320aae0a63c614a18ced585f7ed127c60de47afb0cafb3d4fdbc3d8024072e8a3acdffd0c80b53
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 -
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 1056 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log 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 50 IoCs
Processes:
svchost.exedescription ioc process 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\BkDownloadRatePct = "45" 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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893036327238634" 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\PriorityDownloadPendingCount = "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\DownloadMonthlyLinkLocalBytes = "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 (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\FrDownloadRatePct = "90" 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\DownloadMode_BackCompat = "1" 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\DownloadMonthlyRateBkCnt = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" 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\CacheSizeBytes = "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 = "4108" 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 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\DODownloadMode = "1" 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\DownloadMonthlyRateFrBps = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\SwarmCount = "1" 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\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.823596" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.877942" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" 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\DownloadMonthlyLanBytes = "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\MemoryUsageKB = "4324" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2160 0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe Token: SeBackupPrivilege 1780 TiWorker.exe Token: SeRestorePrivilege 1780 TiWorker.exe Token: SeSecurityPrivilege 1780 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.execmd.exedescription pid process target process PID 2160 wrote to memory of 1056 2160 0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe MediaCenter.exe PID 2160 wrote to memory of 1056 2160 0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe MediaCenter.exe PID 2160 wrote to memory of 1056 2160 0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe MediaCenter.exe PID 2160 wrote to memory of 2096 2160 0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe cmd.exe PID 2160 wrote to memory of 2096 2160 0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe cmd.exe PID 2160 wrote to memory of 2096 2160 0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe cmd.exe PID 2096 wrote to memory of 1148 2096 cmd.exe PING.EXE PID 2096 wrote to memory of 1148 2096 cmd.exe PING.EXE PID 2096 wrote to memory of 1148 2096 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe"C:\Users\Admin\AppData\Local\Temp\0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1056 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b8d680ea3b2c0ab38d22220fff42fe58b8a6db3a64176ec10626281dcafa143.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1148
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:312
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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:1784
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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:1780
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
2077327704ebfbd6d906e17c3d4ef89b
SHA1418082c238898efb31d11d2de0c64da49899b89a
SHA256e52c002d6ada3b54f2e2c5316f3316db7f0febd8effd48fd506bb6592be427ba
SHA512a18c96fdde8e9e9aab525cd2feb6571edf3143e71a79214b9e98a3f95040a88606451784d915101c14a6fb1d29294af89b292fcd9d47113a08dcf8f596388f5e
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MD5
2077327704ebfbd6d906e17c3d4ef89b
SHA1418082c238898efb31d11d2de0c64da49899b89a
SHA256e52c002d6ada3b54f2e2c5316f3316db7f0febd8effd48fd506bb6592be427ba
SHA512a18c96fdde8e9e9aab525cd2feb6571edf3143e71a79214b9e98a3f95040a88606451784d915101c14a6fb1d29294af89b292fcd9d47113a08dcf8f596388f5e