Analysis
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max time kernel
162s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:02
Static task
static1
Behavioral task
behavioral1
Sample
110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe
Resource
win10v2004-en-20220112
General
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Target
110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe
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Size
176KB
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MD5
c96969a39f6883becbe1d45db1bf6da5
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SHA1
9a4d3d84ca5bb90f75fa2b8f451cadb0d0bebd06
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SHA256
110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f
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SHA512
62b56eb2c935759143037f86bb3c3b36cd97171f1f1cf2a5e22787aa098c91aa1cb5163b9468efee035647e8ccff204ba4625ce3228fe2371a868718f9631d51
Malware Config
Signatures
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Sakula Payload 3 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 behavioral2/memory/2636-132-0x0000000000400000-0x0000000000420000-memory.dmp 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 536 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe 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 -
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 50 IoCs
Processes:
svchost.exedescription ioc process 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\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\SwarmCount = "1" 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\MemoryUsageKB = "4200" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4216" 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\CDNConnectionCount = "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\PriorityDownloadCount = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\FrDownloadRatePct = "90" 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\DownlinkUsageBps = "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\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\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\InternetConnectionCount = "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\BkDownloadRatePct = "45" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DownloadMonthlyRateFrCnt = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" 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\UploadRatePct = "100" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.721103" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.107469" 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\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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892958885693682" 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\PriorityDownloadPendingCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2636 110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.execmd.exedescription pid process target process PID 2636 wrote to memory of 536 2636 110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe MediaCenter.exe PID 2636 wrote to memory of 536 2636 110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe MediaCenter.exe PID 2636 wrote to memory of 536 2636 110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe MediaCenter.exe PID 2636 wrote to memory of 3664 2636 110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe cmd.exe PID 2636 wrote to memory of 3664 2636 110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe cmd.exe PID 2636 wrote to memory of 3664 2636 110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe cmd.exe PID 3664 wrote to memory of 3428 3664 cmd.exe PING.EXE PID 3664 wrote to memory of 3428 3664 cmd.exe PING.EXE PID 3664 wrote to memory of 3428 3664 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe"C:\Users\Admin\AppData\Local\Temp\110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:536 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\110e44f735a4658f88b4aad88dac4c633ef6ce1ebc384eb5c4ff0e7ed21deb1f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3428
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2484
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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:2140
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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:4000
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
f51d217844ea06e8bbaeec91e2529d3c
SHA19db2221770db128f7f2887383e8a4361b37bbb25
SHA256294e5f0fa713c440ebc288a7aba6acbb10612d498efa17e7836c7e9d542e8918
SHA51295ab1f63a2910394fbb48e1eb31aa7fdf3cebcea745a0679b72c135cb8ebc9d27010f4207a418f8671ce51775b707b0e61e4dd8f8db594a59922b36a02bc89f8
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MD5
f51d217844ea06e8bbaeec91e2529d3c
SHA19db2221770db128f7f2887383e8a4361b37bbb25
SHA256294e5f0fa713c440ebc288a7aba6acbb10612d498efa17e7836c7e9d542e8918
SHA51295ab1f63a2910394fbb48e1eb31aa7fdf3cebcea745a0679b72c135cb8ebc9d27010f4207a418f8671ce51775b707b0e61e4dd8f8db594a59922b36a02bc89f8