Analysis
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max time kernel
163s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:35
Static task
static1
Behavioral task
behavioral1
Sample
06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe
Resource
win10v2004-en-20220112
General
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Target
06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe
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Size
89KB
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MD5
86fffd0dcd1dc6e61d428a81a3796a91
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SHA1
a688630ae780f5383e1ba271d9a0bd0a27165d42
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SHA256
06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea
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SHA512
aeed83e93c4606b5c7717187e16e0b26a8710cac9ac9995a8c83062e1cb0d5e15eb0faa1ffd1cb2cd772cb31e2e492363857149e5a6f2db3555b7d519e2a6a4b
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 2976 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.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 54 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893131682129424" 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 = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\Usage\UploadCount = "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\DownloadMonthlyRateBkCnt = "4" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" 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\DownloadMonthlyRateFrCnt = "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\LANConnectionCount = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" 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\DownloadMonthlyCdnBytes = "90228624" 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\GroupConnectionCount = "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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.824803" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.348397" 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\CacheSizeBytes = "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\CDNConnectionCount = "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\Usage\MemoryUsageKB = "4148" 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\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrBps = "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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\UploadMonthlyLanBytes = "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\UplinkUsageBps = "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\DownloadMonthlyRateBkCnt = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3596 06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe Token: SeBackupPrivilege 1836 TiWorker.exe Token: SeRestorePrivilege 1836 TiWorker.exe Token: SeSecurityPrivilege 1836 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.execmd.exedescription pid process target process PID 3596 wrote to memory of 2976 3596 06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe MediaCenter.exe PID 3596 wrote to memory of 2976 3596 06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe MediaCenter.exe PID 3596 wrote to memory of 2976 3596 06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe MediaCenter.exe PID 3596 wrote to memory of 4032 3596 06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe cmd.exe PID 3596 wrote to memory of 4032 3596 06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe cmd.exe PID 3596 wrote to memory of 4032 3596 06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe cmd.exe PID 4032 wrote to memory of 3852 4032 cmd.exe PING.EXE PID 4032 wrote to memory of 3852 4032 cmd.exe PING.EXE PID 4032 wrote to memory of 3852 4032 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe"C:\Users\Admin\AppData\Local\Temp\06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2976 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06c235eeb81e0006e54e98b47170704292c7a878831d1f0b43e83150eb00f3ea.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3852
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
PID:2664
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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:2472
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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:1836
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
7d54661b658640aec3703ef7f53c80a3
SHA1b9789dc51aa7b7eb121953f681153bb86a638a4e
SHA256d7d018f57386e471daea91802879e2c52d2da0df0ce130de1d8b74328f6c705a
SHA51272710b5d5dfdbd69bcc808d6443a2843111820d8969777a60c8cebf53198654affe17aecb6405dc4c4313526b44ca215b78d4dcb10e4aeb17b34c15e3facc44d
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
7d54661b658640aec3703ef7f53c80a3
SHA1b9789dc51aa7b7eb121953f681153bb86a638a4e
SHA256d7d018f57386e471daea91802879e2c52d2da0df0ce130de1d8b74328f6c705a
SHA51272710b5d5dfdbd69bcc808d6443a2843111820d8969777a60c8cebf53198654affe17aecb6405dc4c4313526b44ca215b78d4dcb10e4aeb17b34c15e3facc44d