Analysis
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max time kernel
160s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:38
Static task
static1
Behavioral task
behavioral1
Sample
03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe
Resource
win10v2004-en-20220112
General
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Target
03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe
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Size
35KB
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MD5
d936f7e2d96c4491935ef755b54e291c
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SHA1
3571d98d9186aee523125dd6026bac3e3b4bc24b
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SHA256
03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d
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SHA512
a17a65f2ae9e3bd64bdcccaad2bd70280a20d4710db4540904a85ac3f010c0fdca3591bea0363bd434c950c926bf064b0e026eabae4e81837c937864c0457d02
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1848 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.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\Usage\UploadMonthlyLanBytes = "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\DownloadMonthlyCdnBytes = "90228624" 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\PriorityDownloadCount = "0" 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\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" 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\SwarmCount = "1" 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\DownloadMonthlyInternetBytes = "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 = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893174081434549" 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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.125441" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" 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\Config 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\InternetConnectionCount = "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\DownloadMonthlyCdnBytes = "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\UploadRatePct = "100" 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\PriorityDownloadPendingCount = "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 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\Config\DownloadMode_BackCompat = "1" 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\PeerInfoCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.666667" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.086951" 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\SwarmCount = "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\CDNConnectionCount = "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 = "4304" 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\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 (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\UplinkUsageBps = "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\MemoryUsageKB = "4312" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1760 03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe Token: SeBackupPrivilege 3712 TiWorker.exe Token: SeRestorePrivilege 3712 TiWorker.exe Token: SeSecurityPrivilege 3712 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.execmd.exedescription pid process target process PID 1760 wrote to memory of 1848 1760 03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe MediaCenter.exe PID 1760 wrote to memory of 1848 1760 03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe MediaCenter.exe PID 1760 wrote to memory of 1848 1760 03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe MediaCenter.exe PID 1760 wrote to memory of 1800 1760 03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe cmd.exe PID 1760 wrote to memory of 1800 1760 03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe cmd.exe PID 1760 wrote to memory of 1800 1760 03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe cmd.exe PID 1800 wrote to memory of 628 1800 cmd.exe PING.EXE PID 1800 wrote to memory of 628 1800 cmd.exe PING.EXE PID 1800 wrote to memory of 628 1800 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe"C:\Users\Admin\AppData\Local\Temp\03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1848 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03dc0f94b5f7e9fe1eb83c1b090eeb4b39e5634d8ebfb2384e52d52a0624849d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:628
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1488
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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:4072
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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:3712
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
dc1cb10ff1009f63b6a9f0986ef9eb13
SHA1e435b144dabce4029611b0ba04a3b48b658ad632
SHA25646bb1fc12637d1b714c87ccdffd66b848d4b376b0047bba78f2c737f6f5a8035
SHA5123ea67b2e954e35d9217f2b5257c2a79470c2bdc9ab69f3775227605c3ddcda8d6f9751aec75279245bad8056034509aed385e561a846867eff28f448f228e6e9
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
dc1cb10ff1009f63b6a9f0986ef9eb13
SHA1e435b144dabce4029611b0ba04a3b48b658ad632
SHA25646bb1fc12637d1b714c87ccdffd66b848d4b376b0047bba78f2c737f6f5a8035
SHA5123ea67b2e954e35d9217f2b5257c2a79470c2bdc9ab69f3775227605c3ddcda8d6f9751aec75279245bad8056034509aed385e561a846867eff28f448f228e6e9