Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:40
Static task
static1
Behavioral task
behavioral1
Sample
094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe
Resource
win10v2004-en-20220112
General
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Target
094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe
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Size
92KB
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MD5
b0a3d84bfae71166457e296a35c324e3
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SHA1
4c3c5fab4d0312501bdff3d02d2884de20b56d42
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SHA256
094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431
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SHA512
32af0d6ace7ed80c37af3699d90977a8f108c5158130e481ce4e92f85d45ce34c96a3d1e7bfe3eee28e88c067a3d6e15c349ca26c9a85a94cf0e414e317c3812
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 3624 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.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 53 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyLanBytes = "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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyCdnBytes = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308" 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\DownlinkBps = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.460098" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.638873" 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\Settings 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\InternetConnectionCount = "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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112" 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\Config\KVFileExpirationTime = "132893089848302148" 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\UploadCount = "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\DownloadMonthlyRateFrCnt = "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\PriorityDownloadPendingCount = "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\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\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\DownloadMonthlyCdnBytes = "90228624" 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\LANConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.851765" 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 (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\PriorityDownloadCount = "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\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\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1016 094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe Token: SeBackupPrivilege 4036 TiWorker.exe Token: SeRestorePrivilege 4036 TiWorker.exe Token: SeSecurityPrivilege 4036 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.execmd.exedescription pid process target process PID 1016 wrote to memory of 3624 1016 094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe MediaCenter.exe PID 1016 wrote to memory of 3624 1016 094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe MediaCenter.exe PID 1016 wrote to memory of 3624 1016 094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe MediaCenter.exe PID 1016 wrote to memory of 2872 1016 094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe cmd.exe PID 1016 wrote to memory of 2872 1016 094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe cmd.exe PID 1016 wrote to memory of 2872 1016 094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe cmd.exe PID 2872 wrote to memory of 3380 2872 cmd.exe PING.EXE PID 2872 wrote to memory of 3380 2872 cmd.exe PING.EXE PID 2872 wrote to memory of 3380 2872 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe"C:\Users\Admin\AppData\Local\Temp\094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3624 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\094d1574ef4fbc3413a208423379d81ae01d6da810f62e9542bb6e8f03534431.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3380
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2724
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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:1212
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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:4036
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
7e59afb4e5434088da19ffd10aa79fa9
SHA1a800a4ccce9a3798b2e0c55b251e73c7d4514782
SHA25659faf8a8a68567e4244b130392557e99ae5ce9cace2b40be7a594f2a5f5abe7b
SHA5121a844cd41cbc5fe24de7d0170d2e5a90416260f414f66e28326c6c47e5759eaa19db8e928d07fb2ea8b67f4918f30fe8c672c79754cfea1dcb180d4dd48817f6
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
7e59afb4e5434088da19ffd10aa79fa9
SHA1a800a4ccce9a3798b2e0c55b251e73c7d4514782
SHA25659faf8a8a68567e4244b130392557e99ae5ce9cace2b40be7a594f2a5f5abe7b
SHA5121a844cd41cbc5fe24de7d0170d2e5a90416260f414f66e28326c6c47e5759eaa19db8e928d07fb2ea8b67f4918f30fe8c672c79754cfea1dcb180d4dd48817f6