Analysis
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max time kernel
164s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:21
Static task
static1
Behavioral task
behavioral1
Sample
049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe
Resource
win10v2004-en-20220112
General
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Target
049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe
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Size
92KB
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MD5
746f822b859f21f6b3d80cd9aebb8376
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SHA1
d5d063e2e254e1b35d34968c51875c49cf335ce1
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SHA256
049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328
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SHA512
fe16574eba615cf04830f1f5055061674b680feb376e85d9fc30305d4dc11ef65991b0b5f4eb95940fd34ec7816b567ed4b4798e2394ea5867074512a1c46674
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 3688 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.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\MemoryUsageKB = "4112" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284" 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\DownloadMonthlyRateFrBps = "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\UplinkBps = "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\Usage\SwarmCount = "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\UploadMonthlyLanBytes = "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\PriorityDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "90228624" 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\UploadMonthlyInternetBytes = "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\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\PeerInfoCount = "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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\UplinkUsageBps = "0" 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\Settings 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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.954255" 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\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\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\DownloadMonthlyCacheHostBytes = "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\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\Config\KVFileExpirationTime = "132893161416023623" 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 = "0.062854" 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\DownloadMonthlyLanBytes = "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 = "0.000000" 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\MemoryUsageKB = "4328" 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\UploadRatePct = "100" 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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" 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 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.execmd.exedescription pid process target process PID 1492 wrote to memory of 3688 1492 049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe MediaCenter.exe PID 1492 wrote to memory of 3688 1492 049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe MediaCenter.exe PID 1492 wrote to memory of 3688 1492 049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe MediaCenter.exe PID 1492 wrote to memory of 2680 1492 049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe cmd.exe PID 1492 wrote to memory of 2680 1492 049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe cmd.exe PID 1492 wrote to memory of 2680 1492 049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe cmd.exe PID 2680 wrote to memory of 2788 2680 cmd.exe PING.EXE PID 2680 wrote to memory of 2788 2680 cmd.exe PING.EXE PID 2680 wrote to memory of 2788 2680 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe"C:\Users\Admin\AppData\Local\Temp\049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3688 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\049d6a8cfc2386a8fa9e0986e31e6ac9e443174b4a6f2269487782cbee5cc328.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2788
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3824
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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:3412
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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:3148
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
1a4b408400fd3cc4255114cd33b70b20
SHA166aee63e9143539b7862797018bbec6fee26f819
SHA256dfb6b703aaf8dfd8a3925ea5beb60969dcc691f73cb0d23321fb4b261f7a678f
SHA5129562f50b9e3312c34f82046f1d62475af53e5bb55f01934b156ad3688589b26c18d24df3fe2666022dab38265ce66c7ee9e14e31485fe0754577d254c519e93a
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
1a4b408400fd3cc4255114cd33b70b20
SHA166aee63e9143539b7862797018bbec6fee26f819
SHA256dfb6b703aaf8dfd8a3925ea5beb60969dcc691f73cb0d23321fb4b261f7a678f
SHA5129562f50b9e3312c34f82046f1d62475af53e5bb55f01934b156ad3688589b26c18d24df3fe2666022dab38265ce66c7ee9e14e31485fe0754577d254c519e93a