Analysis
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max time kernel
172s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:21
Static task
static1
Behavioral task
behavioral1
Sample
01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe
Resource
win10v2004-en-20220112
General
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Target
01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe
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Size
80KB
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MD5
28f59049351b3a386b9b6d35277d7ec3
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SHA1
629d2eaf0d4e2dfded7029b4b7017795c0ea20cc
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SHA256
01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc
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SHA512
9a15a2608788814ed68f354f8c1e421e552f619cebb1d179436fba73c1859055b66f29aa312aa1c0b3734a05e5e921464c052aec96707482098883f882af2652
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 1480 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.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 50 IoCs
Processes:
svchost.exedescription ioc process 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\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\DownloadMonthlyRateBkCnt = "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\CacheSizeBytes = "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\DownloadMonthlyInternetBytes = "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\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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4120" 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\LANConnectionCount = "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\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.611918" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\Config\DODownloadMode = "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\DownloadMonthlyCdnBytes = "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\DownlinkUsageBps = "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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893201705287640" 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\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\InternetConnectionCount = "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\SwarmCount = "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\PriorityDownloadPendingCount = "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\MemoryUsageKB = "4236" 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\MemoryUsageKB = "4252" 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\Settings 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\CDNConnectionCount = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.531581" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exedescription pid process Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeIncBasePriorityPrivilege 212 01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.execmd.exedescription pid process target process PID 212 wrote to memory of 1480 212 01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe MediaCenter.exe PID 212 wrote to memory of 1480 212 01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe MediaCenter.exe PID 212 wrote to memory of 1480 212 01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe MediaCenter.exe PID 212 wrote to memory of 3836 212 01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe cmd.exe PID 212 wrote to memory of 3836 212 01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe cmd.exe PID 212 wrote to memory of 3836 212 01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe cmd.exe PID 3836 wrote to memory of 1184 3836 cmd.exe PING.EXE PID 3836 wrote to memory of 1184 3836 cmd.exe PING.EXE PID 3836 wrote to memory of 1184 3836 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe"C:\Users\Admin\AppData\Local\Temp\01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1480 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\01c1bff87e5f8c76b8f4cb5ff2f7bf8933903b6f3195b4d2bc3e9e77d5e81bfc.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1184
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3852
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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:3344
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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:3972
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
3436c7d6a1b6eb2dd9c0d3c8ef2c777a
SHA196b3a9b4ecd4a05a71af0726b585d60896bae54a
SHA256ce137d7bcdbca384e55d16082a00ec7ed3c783d17b3adad7046e0185c1a47a4d
SHA5120284d326e48338b8f0ca18cf93c7596c7f633b53b0d499089ff2809cbe24b91b477e083046ec8742ca05f09f66bbc69361f111a336ca5cd0b430e291fd9954db
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
3436c7d6a1b6eb2dd9c0d3c8ef2c777a
SHA196b3a9b4ecd4a05a71af0726b585d60896bae54a
SHA256ce137d7bcdbca384e55d16082a00ec7ed3c783d17b3adad7046e0185c1a47a4d
SHA5120284d326e48338b8f0ca18cf93c7596c7f633b53b0d499089ff2809cbe24b91b477e083046ec8742ca05f09f66bbc69361f111a336ca5cd0b430e291fd9954db