Analysis
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max time kernel
160s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:21
Static task
static1
Behavioral task
behavioral1
Sample
04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe
Resource
win10v2004-en-20220112
General
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Target
04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe
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Size
101KB
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MD5
dc6f9a9b83bfff258ba040f7e2f3501c
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SHA1
bc0428d0bfe2b5be1f4a09fdf5c2b6dbe6250e39
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SHA256
04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c
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SHA512
f5cad8dba123a21cb6f75ef1c646f7d8f01f0a004dca7e58f4c51d1873ed8ef809edc3c8c2cf36589e2f5e81f67907abe08ff2c9d820eb2b19d7a4c44e9211a7
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 3972 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.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 55 IoCs
Processes:
svchost.exedescription ioc process 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\PeerInfoCount = "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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.999249" 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\PriorityDownloadPendingCount = "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\Config\DODownloadMode = "1" 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\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\FrDownloadRatePct = "90" 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\MemoryUsageKB = "4332" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893162440641412" 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\MonthID = "1" 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\DownloadMonthlyRateBkBps = "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\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\DownloadMonthlyLinkLocalBytes = "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\UploadRatePct = "100" 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 (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\DownloadMonthlyCdnBytes = "90228624" 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 = "0.000000" 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 = "0.006572" 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\DownloadMonthlyRateFrCnt = "0" 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\Config 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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4012" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.349129" 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\SwarmCount = "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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4108" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exedescription pid process Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeIncBasePriorityPrivilege 3876 04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe Token: SeBackupPrivilege 1580 TiWorker.exe Token: SeRestorePrivilege 1580 TiWorker.exe Token: SeSecurityPrivilege 1580 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.execmd.exedescription pid process target process PID 3876 wrote to memory of 3972 3876 04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe MediaCenter.exe PID 3876 wrote to memory of 3972 3876 04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe MediaCenter.exe PID 3876 wrote to memory of 3972 3876 04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe MediaCenter.exe PID 3876 wrote to memory of 2680 3876 04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe cmd.exe PID 3876 wrote to memory of 2680 3876 04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe cmd.exe PID 3876 wrote to memory of 2680 3876 04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe cmd.exe PID 2680 wrote to memory of 3868 2680 cmd.exe PING.EXE PID 2680 wrote to memory of 3868 2680 cmd.exe PING.EXE PID 2680 wrote to memory of 3868 2680 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe"C:\Users\Admin\AppData\Local\Temp\04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3876 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3972 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04987294b5882639c61eb1b7e0101c4ecd6c0e781649bca8752d4cd48efb9c8c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3868
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2248
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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:3524
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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:1580
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
d9d49523990c28c762b0ae9eaf75b628
SHA1ae1ae603c0d3cfbd76254383bc6489c525419830
SHA2568a87158b3d3eaf8840540f779c242fee39bab2aaf61ea66971f9727132ee34fa
SHA51274df67970d0c7e18fa043d7e50c7e594a5a597e06f366464281233c60b976d720cbce91b81fa7a38bbcfb85c9098a045b8077b22530bdc7bf3a3cfb00ee04040
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
d9d49523990c28c762b0ae9eaf75b628
SHA1ae1ae603c0d3cfbd76254383bc6489c525419830
SHA2568a87158b3d3eaf8840540f779c242fee39bab2aaf61ea66971f9727132ee34fa
SHA51274df67970d0c7e18fa043d7e50c7e594a5a597e06f366464281233c60b976d720cbce91b81fa7a38bbcfb85c9098a045b8077b22530bdc7bf3a3cfb00ee04040