Analysis
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max time kernel
145s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:13
Static task
static1
Behavioral task
behavioral1
Sample
04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe
Resource
win10v2004-en-20220112
General
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Target
04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe
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Size
36KB
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MD5
e3ada4312a329d9366a48ea160d2123d
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SHA1
3b7e7b821a29639b1c59677c2e7d38ef46dab43d
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SHA256
04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825
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SHA512
66d71b38504f60faf04e93c7e3a12967b19d5e29630c50c560bd2848624d2ce6002f869c18bc792a12e2343d28a9213ba3bf61d638b3056b3ff893c322564135
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3544 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.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 53 IoCs
Processes:
svchost.exedescription ioc process 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\MemoryUsageKB = "4268" 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\Config\KVFileExpirationTime = "132893155297207675" 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 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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyGroupBytes = "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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4064" 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\SwarmCount = "1" 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\LANConnectionCount = "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\UploadRatePct = "100" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.263117" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\InternetConnectionCount = "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\DownloadMonthlyCdnBytes = "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\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\MemoryUsageKB = "4232" 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\MonthID = "1" 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\MonthID = "2" 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 (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 = "0.000000" 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\Usage 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 (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\GroupConnectionCount = "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\MonthlyUploadRestriction = "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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1848 04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.execmd.exedescription pid process target process PID 1848 wrote to memory of 3544 1848 04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe MediaCenter.exe PID 1848 wrote to memory of 3544 1848 04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe MediaCenter.exe PID 1848 wrote to memory of 3544 1848 04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe MediaCenter.exe PID 1848 wrote to memory of 1224 1848 04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe cmd.exe PID 1848 wrote to memory of 1224 1848 04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe cmd.exe PID 1848 wrote to memory of 1224 1848 04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe cmd.exe PID 1224 wrote to memory of 2056 1224 cmd.exe PING.EXE PID 1224 wrote to memory of 2056 1224 cmd.exe PING.EXE PID 1224 wrote to memory of 2056 1224 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe"C:\Users\Admin\AppData\Local\Temp\04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3544 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04f97471bdb347bf70329dd3f508dbbf917398c56dc1b3c1127087ee3fd4a825.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2056
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3728
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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:2016
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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:3788
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
e0565d973442e6686cee536172b6e370
SHA1755fbb3371e5cc343da27c9a91d99f2baca8ba7d
SHA256af0f78fe362487fac78725bdeffc764dc525534c89d4c0d7e4ddb15cdc5fcec7
SHA5128a9bd3ba112b023c99966dc4b6ebc9cfbfd9f3d46dfd1fa387650ad6266414b3a07f028d7f2818a91428397d7f08f26ffd0110d1fd768cfce04bd36c90421bed
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
e0565d973442e6686cee536172b6e370
SHA1755fbb3371e5cc343da27c9a91d99f2baca8ba7d
SHA256af0f78fe362487fac78725bdeffc764dc525534c89d4c0d7e4ddb15cdc5fcec7
SHA5128a9bd3ba112b023c99966dc4b6ebc9cfbfd9f3d46dfd1fa387650ad6266414b3a07f028d7f2818a91428397d7f08f26ffd0110d1fd768cfce04bd36c90421bed