Analysis
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max time kernel
153s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:30
Static task
static1
Behavioral task
behavioral1
Sample
09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe
Resource
win10v2004-en-20220112
General
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Target
09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe
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Size
79KB
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MD5
df81e53f7f9555a9a45ac8a3640365c8
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SHA1
0b4783970261603616b859fee685e5ed1b63baf7
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SHA256
09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6
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SHA512
e564e0a2cf2245f6823c740b80bdf2a3c4a0ed58e51be1a4646838f6b0943c743c9883063e84c9fb99df63d913b5e71cea1cf08745bf0d34951f0d563de90b60
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 3980 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.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 55 IoCs
Processes:
svchost.exedescription ioc process 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\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\MemoryUsageKB = "4060" 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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.162391" 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\SwarmCount = "1" 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\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\DownloadMonthlyInternetBytes = "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\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\DownloadMonthlyCdnBytes = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080" 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 (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\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "29.998464" 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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893083769436984" 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\DownloadMonthlyRateBkBps = "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\DODownloadMode = "1" 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\MonthID = "2" 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\DownloadMonthlyRateBkCnt = "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 (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\LANConnectionCount = "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\PriorityDownloadPendingCount = "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\Usage\CPUpct = "0.006547" 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\UploadMonthlyLanBytes = "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\UploadRatePct = "100" 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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" 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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" 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 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.execmd.exedescription pid process target process PID 3612 wrote to memory of 3980 3612 09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe MediaCenter.exe PID 3612 wrote to memory of 3980 3612 09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe MediaCenter.exe PID 3612 wrote to memory of 3980 3612 09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe MediaCenter.exe PID 3612 wrote to memory of 2120 3612 09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe cmd.exe PID 3612 wrote to memory of 2120 3612 09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe cmd.exe PID 3612 wrote to memory of 2120 3612 09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe cmd.exe PID 2120 wrote to memory of 1292 2120 cmd.exe PING.EXE PID 2120 wrote to memory of 1292 2120 cmd.exe PING.EXE PID 2120 wrote to memory of 1292 2120 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe"C:\Users\Admin\AppData\Local\Temp\09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3612 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3980 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09d86b71349d606dde0ab4051fa1ea577c6c9b82f4d2ca02b0092106ce3328a6.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1292
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3632
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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:3636
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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:3868
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
1a482ebcf840050040729f6ebd906315
SHA1bb68a2c7d9267bd8c4f9a1df46047661381d0af4
SHA256739a8a54af12271d00866389f029d2b658997faca4be3a8dac7db124b75c20d9
SHA512c5d5f29ba28f14bcda9efb13d36bc4ed42bc4e8de3c9179990b7507e612a5fa8d4b3803982e57d5c921100e1997aef4ecd6f81a3003143efb78fd722b681f546
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
1a482ebcf840050040729f6ebd906315
SHA1bb68a2c7d9267bd8c4f9a1df46047661381d0af4
SHA256739a8a54af12271d00866389f029d2b658997faca4be3a8dac7db124b75c20d9
SHA512c5d5f29ba28f14bcda9efb13d36bc4ed42bc4e8de3c9179990b7507e612a5fa8d4b3803982e57d5c921100e1997aef4ecd6f81a3003143efb78fd722b681f546