Analysis
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max time kernel
155s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:26
Static task
static1
Behavioral task
behavioral1
Sample
0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe
Resource
win10v2004-en-20220112
General
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Target
0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe
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Size
36KB
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MD5
c1308f13be2f8a0438b154ebf6acdd32
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SHA1
619635941243f86d2c22049edf59fc966c8439d4
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SHA256
0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4
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SHA512
1efa243e33b2bc0323d40b724f26cceed4f891c06899653ad875f35cf077f3509985ade4bb3e1ed675ea1d552a58b40537391fb95e5ac09e1b51615460524623
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3832 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.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 55 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "18.751905" 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\UploadMonthlyLanBytes = "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\MemoryUsageKB = "3952" 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\DownloadMonthlyInternetBytes = "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\DownlinkUsageBps = "0" 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\DownloadMonthlyCdnBytes = "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\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\DownloadMonthlyRateBkBps = "1157726" 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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.015610" 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\GroupConnectionCount = "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 = "8.065633" 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\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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4052" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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\UploadRatePct = "100" 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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkCnt = "4" 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\UplinkBps = "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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284" 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\DODownloadMode = "1" 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\MonthlyUploadRestriction = "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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893080480197917" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe Token: SeRestorePrivilege 2304 TiWorker.exe Token: SeSecurityPrivilege 2304 TiWorker.exe Token: SeBackupPrivilege 2304 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.execmd.exedescription pid process target process PID 1000 wrote to memory of 3832 1000 0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe MediaCenter.exe PID 1000 wrote to memory of 3832 1000 0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe MediaCenter.exe PID 1000 wrote to memory of 3832 1000 0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe MediaCenter.exe PID 1000 wrote to memory of 2824 1000 0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe cmd.exe PID 1000 wrote to memory of 2824 1000 0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe cmd.exe PID 1000 wrote to memory of 2824 1000 0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe cmd.exe PID 2824 wrote to memory of 3584 2824 cmd.exe PING.EXE PID 2824 wrote to memory of 3584 2824 cmd.exe PING.EXE PID 2824 wrote to memory of 3584 2824 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe"C:\Users\Admin\AppData\Local\Temp\0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3832 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a14cb86e67e05db73b95614a3267bee6749dbf590a3770a64c3a3b2a127f3e4.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3584
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2220
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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:3688
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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:2304
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
127f880ccef30d81332c5c28d9e1b99f
SHA1e888ff4930a152786e96c5808e32d919d2f86982
SHA25619234b6038d56b4631d0f626e2298704e0f6d0d032c883a983f515c4ff0c98de
SHA512cd9f5380966f584c795d12f8f7651e616a8c600f7d3dbac38fbfd81fd96d2c5488be783dfa3dba23b21858a7e368502fbd297a5e0778e15c359ece46b8714da5
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
127f880ccef30d81332c5c28d9e1b99f
SHA1e888ff4930a152786e96c5808e32d919d2f86982
SHA25619234b6038d56b4631d0f626e2298704e0f6d0d032c883a983f515c4ff0c98de
SHA512cd9f5380966f584c795d12f8f7651e616a8c600f7d3dbac38fbfd81fd96d2c5488be783dfa3dba23b21858a7e368502fbd297a5e0778e15c359ece46b8714da5