Analysis
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max time kernel
161s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 08:03
Static task
static1
Behavioral task
behavioral1
Sample
0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe
Resource
win10v2004-en-20220112
General
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Target
0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe
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Size
92KB
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MD5
c3550f05cfe341a9985707eb759b5aeb
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SHA1
a80d6fea0eef9db322f236b30142b7a44b47f974
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SHA256
0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657
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SHA512
785255ad33725beb305ae5414e039d7ab99c57b3027243de3331ba32dea66b8a2e1b5e107b0be92a599dc160819d00ec3a6f71d9915c6efb3bb990791442b96e
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 2156 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.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 (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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyGroupBytes = "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\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\PriorityDownloadCount = "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\DownloadMonthlyInternetBytes = "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\UplinkUsageBps = "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\MemoryUsageKB = "4188" 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\Config\KVFileExpirationTime = "132893032412090044" 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\DownloadMonthlyRateBkBps = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.857085" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3972" 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\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\PeerInfoCount = "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\UploadRatePct = "100" 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 = "25.004681" 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\DownloadMonthlyLanBytes = "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\LinkLocalConnectionCount = "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\FrDownloadRatePct = "90" 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\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.696251" 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\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\SwarmCount = "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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4388" 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 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe Token: SeRestorePrivilege 1828 TiWorker.exe Token: SeSecurityPrivilege 1828 TiWorker.exe Token: SeBackupPrivilege 1828 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.execmd.exedescription pid process target process PID 1144 wrote to memory of 2156 1144 0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe MediaCenter.exe PID 1144 wrote to memory of 2156 1144 0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe MediaCenter.exe PID 1144 wrote to memory of 2156 1144 0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe MediaCenter.exe PID 1144 wrote to memory of 812 1144 0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe cmd.exe PID 1144 wrote to memory of 812 1144 0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe cmd.exe PID 1144 wrote to memory of 812 1144 0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe cmd.exe PID 812 wrote to memory of 2464 812 cmd.exe PING.EXE PID 812 wrote to memory of 2464 812 cmd.exe PING.EXE PID 812 wrote to memory of 2464 812 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe"C:\Users\Admin\AppData\Local\Temp\0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2156 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0bd06acb794c55fc9ce9a6119a211cbc4b3bfeafea41f73c39cefb8b2fa39657.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2464
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3964
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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:3696
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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:1828
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
36eaa396b3f591c05dcc8394b8c8bfce
SHA1da2781fc8f358a03d7ecd6d8602dfb82a4587154
SHA2563cf021903a24cb33d6af7d7441417a96d5e01166e10ffb8e1072e5a9e3411607
SHA51248bfea5420f5695db4b34106b50758dc2f05339cf4f06bdf00314c871111163d3d24539c7f701dab334dc1ed5002ca44e1f118a9e672abbf7d2a44198de9aec5
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MD5
36eaa396b3f591c05dcc8394b8c8bfce
SHA1da2781fc8f358a03d7ecd6d8602dfb82a4587154
SHA2563cf021903a24cb33d6af7d7441417a96d5e01166e10ffb8e1072e5a9e3411607
SHA51248bfea5420f5695db4b34106b50758dc2f05339cf4f06bdf00314c871111163d3d24539c7f701dab334dc1ed5002ca44e1f118a9e672abbf7d2a44198de9aec5