Analysis
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max time kernel
157s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:29
Static task
static1
Behavioral task
behavioral1
Sample
09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe
Resource
win10v2004-en-20220112
General
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Target
09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe
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Size
150KB
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MD5
9e266691f18deed37ac576bf09c5e343
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SHA1
9248695c15e223e6978b1619a21bf256d83a5348
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SHA256
09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e
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SHA512
5eb011ccd0e226b2a6667447b6b5295d8e28c3602df56a54c8780b419bf43d0e63d9f929e902a30dd2de6963c4e4145d810aab101e29af58f66eb5cfbd5c3de1
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 2864 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 51 IoCs
Processes:
svchost.exedescription ioc process 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\UploadCount = "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\UplinkUsageBps = "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 = "4080" 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\DODownloadMode = "1" 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\Config\KVFileExpirationTime = "132893082632748215" 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\GroupConnectionCount = "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\DownloadMonthlyRateFrCnt = "0" 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\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\CDNConnectionCount = "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\MemoryUsageKB = "4280" 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 (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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.648910" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088" 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\Usage 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\SwarmCount = "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\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.026296" 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\Settings 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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.787762" 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\DownloadMonthlyRateFrBps = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.620950" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exedescription pid process Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeIncBasePriorityPrivilege 3296 09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe Token: SeBackupPrivilege 800 TiWorker.exe Token: SeRestorePrivilege 800 TiWorker.exe Token: SeSecurityPrivilege 800 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.execmd.exedescription pid process target process PID 3296 wrote to memory of 2864 3296 09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe MediaCenter.exe PID 3296 wrote to memory of 2864 3296 09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe MediaCenter.exe PID 3296 wrote to memory of 2864 3296 09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe MediaCenter.exe PID 3296 wrote to memory of 3252 3296 09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe cmd.exe PID 3296 wrote to memory of 3252 3296 09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe cmd.exe PID 3296 wrote to memory of 3252 3296 09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe cmd.exe PID 3252 wrote to memory of 3940 3252 cmd.exe PING.EXE PID 3252 wrote to memory of 3940 3252 cmd.exe PING.EXE PID 3252 wrote to memory of 3940 3252 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe"C:\Users\Admin\AppData\Local\Temp\09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3296 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2864 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09ed2d2083d6a8ae6456e2de5f61099910e8a77891074ff1bb5cc2c5718ffc2e.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3252 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3940
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:832
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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:2220
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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:800
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
3e99a8eb15cf2d6b61db7fc53ce4bedc
SHA12605bb41d7817b18e3ad265b8446b4bc96ee57e3
SHA25647a820844cc00c01417fe7a29c632bb5d0462adc9db590da3c708efac225c14f
SHA512f8361e5cda98911c75c17a2bebfca10735f482ee5666f768dac7510900b7072def70f85d0f9f33d0fffb82201ff6c9683380d3f2b8bcfc3a9bf2b5df553fb99f
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
3e99a8eb15cf2d6b61db7fc53ce4bedc
SHA12605bb41d7817b18e3ad265b8446b4bc96ee57e3
SHA25647a820844cc00c01417fe7a29c632bb5d0462adc9db590da3c708efac225c14f
SHA512f8361e5cda98911c75c17a2bebfca10735f482ee5666f768dac7510900b7072def70f85d0f9f33d0fffb82201ff6c9683380d3f2b8bcfc3a9bf2b5df553fb99f