Analysis
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max time kernel
161s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:37
Static task
static1
Behavioral task
behavioral1
Sample
097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe
Resource
win10v2004-en-20220112
General
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Target
097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe
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Size
100KB
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MD5
31a7ba632eaf4a1a21770414682ec097
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SHA1
816a99bb2bfb66393ff06db510e149e572f3964a
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SHA256
097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea
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SHA512
60c7a1311d858afec7ae9f6d17d7d414c29e09762b82fdbf2aed4f13de988e00815b4075107fdef6dbcd60b9d846f59afd9baaa482aefb7a11a9931fcfdfc4f3
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 2116 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.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\DODownloadMode = "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\LinkLocalConnectionCount = "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\DownloadMonthlyRateBkBps = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" 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\DownloadMonthlyLanBytes = "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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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 (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\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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893087269190108" 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\GroupConnectionCount = "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\Config\DownloadMode_BackCompat = "1" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000885" 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\UploadCount = "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\DownloadMonthlyRateFrCnt = "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\InternetConnectionCount = "0" 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\DownloadMonthlyCacheHostBytes = "0" 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 = "8.822789" 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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100" 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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\DownloadMonthlyCdnBytes = "90228624" 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\MemoryUsageKB = "3996" 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\FrDownloadRatePct = "90" 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\DownloadMonthlyRateBkCnt = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exedescription pid process Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeIncBasePriorityPrivilege 1136 097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe Token: SeBackupPrivilege 3988 TiWorker.exe Token: SeRestorePrivilege 3988 TiWorker.exe Token: SeSecurityPrivilege 3988 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.execmd.exedescription pid process target process PID 1136 wrote to memory of 2116 1136 097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe MediaCenter.exe PID 1136 wrote to memory of 2116 1136 097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe MediaCenter.exe PID 1136 wrote to memory of 2116 1136 097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe MediaCenter.exe PID 1136 wrote to memory of 3800 1136 097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe cmd.exe PID 1136 wrote to memory of 3800 1136 097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe cmd.exe PID 1136 wrote to memory of 3800 1136 097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe cmd.exe PID 3800 wrote to memory of 1568 3800 cmd.exe PING.EXE PID 3800 wrote to memory of 1568 3800 cmd.exe PING.EXE PID 3800 wrote to memory of 1568 3800 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe"C:\Users\Admin\AppData\Local\Temp\097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2116 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\097b9d360ee4f1d49f8cb37d3180941d581787bad3eaf7cfc19ed9debec782ea.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3800 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1568
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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:3928
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
PID:628
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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:3988
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
db9bf2d98016dce520daff0d782e2239
SHA108186bccdf5eb9a488929f56f2375bb647a8e00d
SHA256d9404ae9a5777855e50f9bd3d870bb96fe764dab16ef9e06c4cde7183fecc142
SHA512105c54dbcfe4db2726d818b85663e6aeb76a1a5872cd12b930c600ebc6e4a0d36b40303f679847313a8833e5d16671454002cc161f0062cf2a56c7900545b86a
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
db9bf2d98016dce520daff0d782e2239
SHA108186bccdf5eb9a488929f56f2375bb647a8e00d
SHA256d9404ae9a5777855e50f9bd3d870bb96fe764dab16ef9e06c4cde7183fecc142
SHA512105c54dbcfe4db2726d818b85663e6aeb76a1a5872cd12b930c600ebc6e4a0d36b40303f679847313a8833e5d16671454002cc161f0062cf2a56c7900545b86a