Analysis
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max time kernel
172s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:19
Static task
static1
Behavioral task
behavioral1
Sample
079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe
Resource
win10v2004-en-20220112
General
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Target
079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe
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Size
99KB
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MD5
869b5dd44aefb64b0bfef988332fc2df
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SHA1
f40da8708e8311b4a525993964659a79149aac15
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SHA256
079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed
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SHA512
81a9ea4ecce5a01358dcdac8b1850ab5c9a7cfe45137a786c9a57edc98bcea518faa6686e908e7bec658d658d8fea73466a82bd3bcddd76f028f556c58861e64
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 3696 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe 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 -
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 52 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893122080143279" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166967" 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\Config\DODownloadMode = "1" 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\CacheSizeBytes = "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\DownlinkBps = "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\PriorityDownloadCount = "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 = "3920" 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\DownloadMonthlyLinkLocalBytes = "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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMonthlyInternetBytes = "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\UploadCount = "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\MonthID = "2" 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\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\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.727206" 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\BkDownloadRatePct = "45" 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\DownloadMonthlyRateBkCnt = "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\InternetConnectionCount = "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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.250445" 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\MemoryUsageKB = "4288" 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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4212" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exedescription pid process Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeIncBasePriorityPrivilege 3116 079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.execmd.exedescription pid process target process PID 3116 wrote to memory of 3696 3116 079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe MediaCenter.exe PID 3116 wrote to memory of 3696 3116 079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe MediaCenter.exe PID 3116 wrote to memory of 3696 3116 079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe MediaCenter.exe PID 3116 wrote to memory of 2808 3116 079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe cmd.exe PID 3116 wrote to memory of 2808 3116 079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe cmd.exe PID 3116 wrote to memory of 2808 3116 079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe cmd.exe PID 2808 wrote to memory of 2176 2808 cmd.exe PING.EXE PID 2808 wrote to memory of 2176 2808 cmd.exe PING.EXE PID 2808 wrote to memory of 2176 2808 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe"C:\Users\Admin\AppData\Local\Temp\079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3696 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\079bfdae7fa3c8ed0d21eaec2d16e0f20c8fdc52d7ccff0e259fb67ee9bf10ed.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2176
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2400
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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:3648
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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:3800
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
a2904edaebddf49c3267a126bad30e38
SHA181f89668ed868a51cdc2ce42119f744819925404
SHA256c3718c0e9702ffee91e1fae0ce53665b8acea524208bbc38fc65e3362e0d2954
SHA512e33de347b083814d6a0e5495e6e240c386438e29c042aa8e3eaf381ab432d9dcbb3a33174df0f320d312d6ce4d0ebc073dfc1fb0e6f6173a7532729e4fcf32be
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
a2904edaebddf49c3267a126bad30e38
SHA181f89668ed868a51cdc2ce42119f744819925404
SHA256c3718c0e9702ffee91e1fae0ce53665b8acea524208bbc38fc65e3362e0d2954
SHA512e33de347b083814d6a0e5495e6e240c386438e29c042aa8e3eaf381ab432d9dcbb3a33174df0f320d312d6ce4d0ebc073dfc1fb0e6f6173a7532729e4fcf32be