Analysis
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max time kernel
159s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:43
Static task
static1
Behavioral task
behavioral1
Sample
06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe
Resource
win10v2004-en-20220112
General
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Target
06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe
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Size
89KB
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MD5
c2cc1a782491b29ae9ea19b0b329eea0
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SHA1
e13a86139adcaeec1f429e488a0776b9ea0b0026
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SHA256
06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d
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SHA512
1c1b3d537904cc42840f9cdd8b56e10c00f6969f1914645c040cd73754924a828da35896639fd189cd9f8079368d2e322a3389690ed8a4e7e4801ed5257be763
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 -
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 3232 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe 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 -
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 53 IoCs
Processes:
svchost.exedescription ioc process 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\BkDownloadRatePct = "45" 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\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\DownloadMonthlyRateBkBps = "1157726" 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 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\DownloadMonthlyInternetBytes = "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\MonthID = "2" 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\CacheSizeBytes = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.086453" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyGroupBytes = "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 = "4188" 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\DownloadMonthlyRateFrCnt = "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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\MonthID = "1" 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\MemoryUsageKB = "4352" 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\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 (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\DownloadMonthlyCdnBytes = "90228624" 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\DownlinkBps = "0" 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\LinkLocalConnectionCount = "0" 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\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\DownloadMonthlyCacheHostBytes = "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\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\Config\KVFileExpirationTime = "132893138952079701" 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\Config\DODownloadMode = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "13.637320" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3052 06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe Token: SeBackupPrivilege 1684 TiWorker.exe Token: SeRestorePrivilege 1684 TiWorker.exe Token: SeSecurityPrivilege 1684 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.execmd.exedescription pid process target process PID 3052 wrote to memory of 3232 3052 06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe MediaCenter.exe PID 3052 wrote to memory of 3232 3052 06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe MediaCenter.exe PID 3052 wrote to memory of 3232 3052 06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe MediaCenter.exe PID 3052 wrote to memory of 1396 3052 06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe cmd.exe PID 3052 wrote to memory of 1396 3052 06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe cmd.exe PID 3052 wrote to memory of 1396 3052 06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe cmd.exe PID 1396 wrote to memory of 3288 1396 cmd.exe PING.EXE PID 1396 wrote to memory of 3288 1396 cmd.exe PING.EXE PID 1396 wrote to memory of 3288 1396 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe"C:\Users\Admin\AppData\Local\Temp\06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3232 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06451651b8740f2a37df76dce775386193e5a6863a7f1da8b961d34bc8a0092d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3288
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:872
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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:4040
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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:1684
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
5e83cff9898f2260ae0eb7b5ee28945a
SHA1914a1c375dc59e9a4a26e42dcfcaaa1ffc79e49a
SHA2566c06126a928e7b4397abbd65c9bb9e212df9ef9b9949ddeae80b051303377f32
SHA5124f438d85d2990f8336f3bc4542712c0b706f2de078965e2c020a98d3166a0d86465208e87f551ba04f8b5b57cdb30749ea6e77a6b79c73d8e77aeb5723c7ecfc
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
5e83cff9898f2260ae0eb7b5ee28945a
SHA1914a1c375dc59e9a4a26e42dcfcaaa1ffc79e49a
SHA2566c06126a928e7b4397abbd65c9bb9e212df9ef9b9949ddeae80b051303377f32
SHA5124f438d85d2990f8336f3bc4542712c0b706f2de078965e2c020a98d3166a0d86465208e87f551ba04f8b5b57cdb30749ea6e77a6b79c73d8e77aeb5723c7ecfc