Analysis
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max time kernel
169s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:32
Static task
static1
Behavioral task
behavioral1
Sample
042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe
Resource
win10v2004-en-20220112
General
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Target
042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe
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Size
58KB
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MD5
8cca2dd08e8edd1c38c5d8e8fd5fa60a
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SHA1
eae31063a630a09a3e57cfeb421dcced13ce6f42
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SHA256
042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754
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SHA512
0fa54094ab578a81cd049ac98b2ce245d1a08f1db8993678b9d23853fdb91d5c1901f145d8ae745f6ee09710a22a0f360f8083ca7a3b02c618f482ef586b66fb
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1288 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.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\MemoryUsageKB = "4096" 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\PeerInfoCount = "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\UplinkBps = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\LinkLocalConnectionCount = "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\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\DownlinkUsageBps = "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 = "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\UplinkUsageBps = "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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\DownloadMonthlyCdnBytes = "90228624" 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\CDNConnectionCount = "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\PriorityDownloadPendingCount = "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\FrDownloadRatePct = "90" 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 = "1.953111" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4268" 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\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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.125078" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288" 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\CacheSizeBytes = "0" 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\Config\KVFileExpirationTime = "132893156260647131" 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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "4" 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\LANConnectionCount = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3984 042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe Token: SeBackupPrivilege 212 TiWorker.exe Token: SeRestorePrivilege 212 TiWorker.exe Token: SeSecurityPrivilege 212 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.execmd.exedescription pid process target process PID 3984 wrote to memory of 1288 3984 042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe MediaCenter.exe PID 3984 wrote to memory of 1288 3984 042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe MediaCenter.exe PID 3984 wrote to memory of 1288 3984 042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe MediaCenter.exe PID 3984 wrote to memory of 1916 3984 042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe cmd.exe PID 3984 wrote to memory of 1916 3984 042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe cmd.exe PID 3984 wrote to memory of 1916 3984 042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe cmd.exe PID 1916 wrote to memory of 2340 1916 cmd.exe PING.EXE PID 1916 wrote to memory of 2340 1916 cmd.exe PING.EXE PID 1916 wrote to memory of 2340 1916 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe"C:\Users\Admin\AppData\Local\Temp\042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1288 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\042b6d8bf51e045ceab0a86d2847c2f172dd80545be003d29f10bf665871f754.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2340
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3748
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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:2632
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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:212
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
04096e467bc6e1f2d8cbee24909da655
SHA1f365daaaf3d4af6aaaeb9b4ef92ab49bd0c1aea6
SHA256cfc519850dce877f6ad8017ddc390a34ce73c601d68a5d491d7dbf4ab9e4f80c
SHA512415293707405cac842ae56cb53c288abe8afcac6de8517fe8356b1a91612c4b91ac9f49c7ce8699efd9764cb45272dc8c24470f607b94ef323cf852dedb9ca0e
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
04096e467bc6e1f2d8cbee24909da655
SHA1f365daaaf3d4af6aaaeb9b4ef92ab49bd0c1aea6
SHA256cfc519850dce877f6ad8017ddc390a34ce73c601d68a5d491d7dbf4ab9e4f80c
SHA512415293707405cac842ae56cb53c288abe8afcac6de8517fe8356b1a91612c4b91ac9f49c7ce8699efd9764cb45272dc8c24470f607b94ef323cf852dedb9ca0e