Analysis
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max time kernel
155s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 02:55
Static task
static1
Behavioral task
behavioral1
Sample
190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe
Resource
win10v2004-en-20220112
General
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Target
190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe
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Size
36KB
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MD5
fda028804ee89f5ada1bd4cb33d242c6
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SHA1
dc04f95be741ce51e16523fe0733426871f53279
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SHA256
190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1
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SHA512
6a2fb247164c81a0ecc1cefab03ff88f8054039b354b7cfdb95fdd60861655f73c3081394280da29d66e7101ebfeb942b4d45dab1b8e88583d17a96a85f3e312
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 812 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.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 54 IoCs
Processes:
svchost.exedescription ioc process 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" 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\UploadRatePct = "100" 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 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\LinkLocalConnectionCount = "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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "4104" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4216" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.545153" 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\DownloadMonthlyRateFrBps = "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\UplinkUsageBps = "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\PriorityDownloadPendingCount = "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\MonthID = "1" 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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" 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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" 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\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\DownloadMonthlyRateFrCnt = "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 = "4.081574" 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\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892846611294580" 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\LANConnectionCount = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.144654" 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\BkDownloadRatePct = "45" 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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" 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\MemoryUsageKB = "4320" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2988 190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe Token: SeBackupPrivilege 3372 TiWorker.exe Token: SeRestorePrivilege 3372 TiWorker.exe Token: SeSecurityPrivilege 3372 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.execmd.exedescription pid process target process PID 2988 wrote to memory of 812 2988 190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe MediaCenter.exe PID 2988 wrote to memory of 812 2988 190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe MediaCenter.exe PID 2988 wrote to memory of 812 2988 190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe MediaCenter.exe PID 2988 wrote to memory of 848 2988 190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe cmd.exe PID 2988 wrote to memory of 848 2988 190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe cmd.exe PID 2988 wrote to memory of 848 2988 190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe cmd.exe PID 848 wrote to memory of 3196 848 cmd.exe PING.EXE PID 848 wrote to memory of 3196 848 cmd.exe PING.EXE PID 848 wrote to memory of 3196 848 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe"C:\Users\Admin\AppData\Local\Temp\190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:812 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\190b0ee88e4f242de9bb1702809a17954a7b2195c4c8157e169acbd7ab32eab1.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3196
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3952
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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:728
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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:3372
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
1491b7f0493243134830e15d70d121f6
SHA189f9d57564ae53e303d71d29d864a753300437d5
SHA256cb547b6631ca24179d5704daf5ffbfce0242886b9093c2109d2bb05e1541d63d
SHA512d5dcd49fdd80e253efff209df1a7977db4a78de65e2e68bc482e49712b106bed849a551dd44543e01c3d37e9e4a4fc4275212d591adc8497073b66c7e0836151
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MD5
1491b7f0493243134830e15d70d121f6
SHA189f9d57564ae53e303d71d29d864a753300437d5
SHA256cb547b6631ca24179d5704daf5ffbfce0242886b9093c2109d2bb05e1541d63d
SHA512d5dcd49fdd80e253efff209df1a7977db4a78de65e2e68bc482e49712b106bed849a551dd44543e01c3d37e9e4a4fc4275212d591adc8497073b66c7e0836151