Analysis
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max time kernel
154s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:25
Static task
static1
Behavioral task
behavioral1
Sample
0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe
Resource
win10v2004-en-20220112
General
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Target
0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe
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Size
176KB
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MD5
8469119c40b0dd62253bfed458057876
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SHA1
ec4a32687d04b93d326d4117bd7cc57e6565e524
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SHA256
0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9
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SHA512
f077e39df3d44ea62d97e56a4d2e2d5ed87780f42e2ceeb4d116ae71b8baea80cda356e669a7cbc7fbcfb9ef03c1d93bd4097b170799a2c3450f6e2929ab76c4
Malware Config
Signatures
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Sakula Payload 4 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 behavioral2/memory/1420-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3504-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3504 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.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 51 IoCs
Processes:
svchost.exedescription ioc process 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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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 (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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.102057" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.263821" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006612" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3900" 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\UploadRatePct = "100" 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "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\UploadCount = "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\NormalDownloadCount = "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\DownloadMonthlyRateFrBps = "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\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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" 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\MemoryUsageKB = "4088" 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\DownloadMonthlyGroupBytes = "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\PriorityDownloadCount = "0" 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\CacheSizeBytes = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.995484" 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\DODownloadMode = "1" 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\UplinkBps = "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\Config\KVFileExpirationTime = "132893079755912811" 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\FrDownloadRatePct = "90" 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 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe Token: SeRestorePrivilege 3232 TiWorker.exe Token: SeSecurityPrivilege 3232 TiWorker.exe Token: SeBackupPrivilege 3232 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.execmd.exedescription pid process target process PID 1420 wrote to memory of 3504 1420 0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe MediaCenter.exe PID 1420 wrote to memory of 3504 1420 0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe MediaCenter.exe PID 1420 wrote to memory of 3504 1420 0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe MediaCenter.exe PID 1420 wrote to memory of 1968 1420 0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe cmd.exe PID 1420 wrote to memory of 1968 1420 0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe cmd.exe PID 1420 wrote to memory of 1968 1420 0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe cmd.exe PID 1968 wrote to memory of 896 1968 cmd.exe PING.EXE PID 1968 wrote to memory of 896 1968 cmd.exe PING.EXE PID 1968 wrote to memory of 896 1968 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe"C:\Users\Admin\AppData\Local\Temp\0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3504 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a1d24c54b0aa18b81a065a03ed04ab0bfbb53e5a5cff364f987ada2121609d9.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:896
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3512
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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:2680
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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:3232
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
33ce32b0cfb55667e352e8f3a410f040
SHA14fac250b0892426ecb011d4c8d09f25cc99f2183
SHA256559dc7d9e8c6f5dfc56ba1910b89725cd7993dfafeee61ac73982ffbd8bc1d9d
SHA51257ebf56b0a4ab4ddf3261eec22b6f7cca066a01c5e5b87c18a73a464a630ed920e3b5e8e0ce46f642996b5cd846e496b5faebe4173b692cf17c1b7d39bb1718b
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
33ce32b0cfb55667e352e8f3a410f040
SHA14fac250b0892426ecb011d4c8d09f25cc99f2183
SHA256559dc7d9e8c6f5dfc56ba1910b89725cd7993dfafeee61ac73982ffbd8bc1d9d
SHA51257ebf56b0a4ab4ddf3261eec22b6f7cca066a01c5e5b87c18a73a464a630ed920e3b5e8e0ce46f642996b5cd846e496b5faebe4173b692cf17c1b7d39bb1718b
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memory/1420-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3504-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB