Analysis
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max time kernel
150s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:11
Static task
static1
Behavioral task
behavioral1
Sample
0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe
Resource
win10v2004-en-20220112
General
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Target
0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe
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Size
100KB
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MD5
fcd3a9a8f7a230886288a72e838938dc
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SHA1
718a4c37e84c03ba7b96f1def6b90c1cc3bce4f7
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SHA256
0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245
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SHA512
731dd3ad25b215915ddeb7450f23ab8411fa08a97b7c4ca41321e9b040fa7e71aec72b27a1bc341fb75640e4341d62871a6397ed7ef378bb88959cc8e045a371
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 1864 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.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 54 IoCs
Processes:
svchost.exedescription ioc process 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\FrDownloadRatePct = "90" 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\MemoryUsageKB = "4092" 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\DownloadMonthlyInternetBytes = "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\UploadCount = "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\UplinkBps = "0" 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\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\DownloadMonthlyLanBytes = "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\PeerInfoCount = "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\PriorityDownloadCount = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.376050" 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\DownlinkUsageBps = "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\MemoryUsageKB = "4316" 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\DownloadMonthlyRateFrBps = "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\NormalDownloadCount = "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 = "4.944990" 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\UploadMonthlyInternetBytes = "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\MonthlyUploadRestriction = "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\SwarmCount = "1" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\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\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\CacheSizeBytes = "0" 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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\DownloadMonthlyRateBkCnt = "4" 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 svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893071689804933" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 220 0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.execmd.exedescription pid process target process PID 220 wrote to memory of 1864 220 0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe MediaCenter.exe PID 220 wrote to memory of 1864 220 0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe MediaCenter.exe PID 220 wrote to memory of 1864 220 0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe MediaCenter.exe PID 220 wrote to memory of 2476 220 0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe cmd.exe PID 220 wrote to memory of 2476 220 0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe cmd.exe PID 220 wrote to memory of 2476 220 0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe cmd.exe PID 2476 wrote to memory of 2940 2476 cmd.exe PING.EXE PID 2476 wrote to memory of 2940 2476 cmd.exe PING.EXE PID 2476 wrote to memory of 2940 2476 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe"C:\Users\Admin\AppData\Local\Temp\0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1864 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ac5421c704269518f7099aa9ba3d46e43f03059111b9cef88a8193a1e5c7245.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2940
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2252
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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:1860
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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:3796
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
85f004b081dedc1cb997d73ac84f4b67
SHA14a083ce46bc1790e0dc9357644ea2c564c98320c
SHA25639240f02c478dd7b846e887f233c51c955c0aae5ad4c671e33415138d6f99074
SHA512c7ef5213a7fcb70d441a970b0d779d5cec850cbe56a841b210345a4d98f70407186fe111b15077af6b92c76840740523dffe987592b91e407f37e9f13308a216
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
85f004b081dedc1cb997d73ac84f4b67
SHA14a083ce46bc1790e0dc9357644ea2c564c98320c
SHA25639240f02c478dd7b846e887f233c51c955c0aae5ad4c671e33415138d6f99074
SHA512c7ef5213a7fcb70d441a970b0d779d5cec850cbe56a841b210345a4d98f70407186fe111b15077af6b92c76840740523dffe987592b91e407f37e9f13308a216