Analysis
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max time kernel
173s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:21
Static task
static1
Behavioral task
behavioral1
Sample
049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe
Resource
win10v2004-en-20220112
General
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Target
049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe
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Size
35KB
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MD5
afed24f868254deeddfd934997c4e5e0
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SHA1
cf52c21c14d31660fd0ac7249c3c950473f45947
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SHA256
049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f
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SHA512
a0d75dbd205d5338ab99b072722e70a567ea53888d8aa38b9877cb0f0d2ffc509aeef1e7d1acbd3db4d64e61d3f8dc72bb111c07508f20da6727c1e592ab493e
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1944 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe 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 -
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 54 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893161546964576" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\LinkLocalConnectionCount = "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\DownloadMonthlyRateBkBps = "1157726" 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\UploadCount = "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\SwarmCount = "1" 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\DownlinkUsageBps = "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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4348" 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\PriorityDownloadPendingCount = "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\InternetConnectionCount = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "15.152044" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4180" 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\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\MemoryUsageKB = "4244" 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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyCdnBytes = "90228624" 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\MonthID = "1" 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\UploadMonthlyLanBytes = "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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.333733" 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\DownloadMonthlyCacheHostBytes = "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\DownlinkBps = "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\NormalDownloadCount = "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\DownloadMonthlyLanBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1508 049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe Token: SeBackupPrivilege 2132 TiWorker.exe Token: SeRestorePrivilege 2132 TiWorker.exe Token: SeSecurityPrivilege 2132 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.execmd.exedescription pid process target process PID 1508 wrote to memory of 1944 1508 049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe MediaCenter.exe PID 1508 wrote to memory of 1944 1508 049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe MediaCenter.exe PID 1508 wrote to memory of 1944 1508 049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe MediaCenter.exe PID 1508 wrote to memory of 4092 1508 049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe cmd.exe PID 1508 wrote to memory of 4092 1508 049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe cmd.exe PID 1508 wrote to memory of 4092 1508 049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe cmd.exe PID 4092 wrote to memory of 3956 4092 cmd.exe PING.EXE PID 4092 wrote to memory of 3956 4092 cmd.exe PING.EXE PID 4092 wrote to memory of 3956 4092 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe"C:\Users\Admin\AppData\Local\Temp\049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1944 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\049b574f34d803e5d04a2707f047e597ab0d9a6281695206a7f164e6c8da5a4f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3956
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4088
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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:3916
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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:2132
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
193a9352edabdaa2e94e8fcc09037aac
SHA11f23fc60e994c9b114e9afabc31608bb4c13bdfb
SHA2565c87533917d32fdc277baf7de88c327bf213c550f41c500daa372851493aa0b7
SHA5125b99e04d8321a2f70bca9b2f651180605e9a78e3317cfcd96750f07527dee0c23f0fedc14fcd90c1f17a052cb199e1276f21b26d526fba93696003c2eb2e9ae2
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
193a9352edabdaa2e94e8fcc09037aac
SHA11f23fc60e994c9b114e9afabc31608bb4c13bdfb
SHA2565c87533917d32fdc277baf7de88c327bf213c550f41c500daa372851493aa0b7
SHA5125b99e04d8321a2f70bca9b2f651180605e9a78e3317cfcd96750f07527dee0c23f0fedc14fcd90c1f17a052cb199e1276f21b26d526fba93696003c2eb2e9ae2