Analysis
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max time kernel
155s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:37
Static task
static1
Behavioral task
behavioral1
Sample
1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe
Resource
win10v2004-en-20220112
General
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Target
1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe
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Size
101KB
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MD5
8bcb4a4f62e89f8d5ecce505d38af12d
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SHA1
cf293e63617ca82e2eb1c841f753d72af59cddef
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SHA256
1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9
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SHA512
b9349b94b9272b56c91e846ae06d8a7c90cd9efd3eb66e63f4eda275afac9286ee166dbe7d7a92ed79268c6fd2c597b6125a5bccc0dcdb92f9ea7d65429216b2
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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3488 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exeMusNotifyIcon.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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\DownlinkUsageBps = "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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4248" 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\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 (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\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\DownloadMonthlyLinkLocalBytes = "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\CDNConnectionCount = "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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892943407047892" 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\DownloadMonthlyRateFrCnt = "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\InternetConnectionCount = "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 = "4.999841" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084" 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\Config\DODownloadMode = "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\UplinkUsageBps = "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\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\SwarmCount = "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\DownloadMonthlyLanBytes = "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\MonthID = "2" 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\UplinkBps = "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 = "1.063758" 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\Usage 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\DownloadMonthlyRateBkCnt = "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\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.327486" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4232" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3700 1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.execmd.exedescription pid process target process PID 3700 wrote to memory of 3488 3700 1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe MediaCenter.exe PID 3700 wrote to memory of 3488 3700 1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe MediaCenter.exe PID 3700 wrote to memory of 3488 3700 1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe MediaCenter.exe PID 3700 wrote to memory of 3280 3700 1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe cmd.exe PID 3700 wrote to memory of 3280 3700 1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe cmd.exe PID 3700 wrote to memory of 3280 3700 1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe cmd.exe PID 3280 wrote to memory of 480 3280 cmd.exe PING.EXE PID 3280 wrote to memory of 480 3280 cmd.exe PING.EXE PID 3280 wrote to memory of 480 3280 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe"C:\Users\Admin\AppData\Local\Temp\1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3488 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1230f2b6ed5501b992cb3bf6e1b35a6ddac1bcd393e5cc8e8e53d29c07cb59f9.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3280 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:480
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2496
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3372
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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:752
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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:1968
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
6f70272053ef4c8ff8b4b910cb322fd3
SHA117958d3086f838d903250402d294f39622361eed
SHA2563b67cb60fd02c5936ebf9d300dd71475bc63e40af28d37fecc3bff60fef5bcc9
SHA5122c63ad0d9349d58875ce81d83e46cbd156b344d0af2364aba90e34450dc486c470d09d57f5565ecb4d3212d3e9af299e4cdfb9143bab3b172f7b12970b86c3e0
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MD5
6f70272053ef4c8ff8b4b910cb322fd3
SHA117958d3086f838d903250402d294f39622361eed
SHA2563b67cb60fd02c5936ebf9d300dd71475bc63e40af28d37fecc3bff60fef5bcc9
SHA5122c63ad0d9349d58875ce81d83e46cbd156b344d0af2364aba90e34450dc486c470d09d57f5565ecb4d3212d3e9af299e4cdfb9143bab3b172f7b12970b86c3e0