Analysis
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max time kernel
155s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:43
Static task
static1
Behavioral task
behavioral1
Sample
0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe
Resource
win10v2004-en-20220112
General
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Target
0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe
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Size
216KB
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MD5
77720b65804ea5243e399cbd4738862d
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SHA1
899df0b7ebbd5f45aafd973f2a1459fb9605edf2
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SHA256
0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482
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SHA512
f3505d79018b2c91beaa9b4b7a52a3400a809eef9e902b94ada76916d59b6216166ec03f135bb4c5d4cca846d6d4d4f353d0423920dd35a6b4b0e6e618fcfe70
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/1132-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2056-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2056 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.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 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\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\Config\KVFileExpirationTime = "132893021258671902" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "14.264482" 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\DownloadMonthlyCdnBytes = "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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006552" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3976" 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\DownlinkBps = "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\PeerInfoCount = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368" 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\Config 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\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\DownloadMonthlyRateBkCnt = "4" 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\BkDownloadRatePct = "45" 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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.063537" 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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "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\UploadMonthlyLanBytes = "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\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\FrDownloadRatePct = "90" 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 = "9.376620" 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\Config\DODownloadMode = "1" 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\LANConnectionCount = "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\UploadMonthlyInternetBytes = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exedescription pid process Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeIncBasePriorityPrivilege 1132 0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.execmd.exedescription pid process target process PID 1132 wrote to memory of 2056 1132 0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe MediaCenter.exe PID 1132 wrote to memory of 2056 1132 0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe MediaCenter.exe PID 1132 wrote to memory of 2056 1132 0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe MediaCenter.exe PID 1132 wrote to memory of 2604 1132 0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe cmd.exe PID 1132 wrote to memory of 2604 1132 0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe cmd.exe PID 1132 wrote to memory of 2604 1132 0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe cmd.exe PID 2604 wrote to memory of 2344 2604 cmd.exe PING.EXE PID 2604 wrote to memory of 2344 2604 cmd.exe PING.EXE PID 2604 wrote to memory of 2344 2604 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe"C:\Users\Admin\AppData\Local\Temp\0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2056 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2344
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3864
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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:3020
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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:1620
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
dbc45dfc133472a15ce788a2d823a308
SHA183e181fb31afeb5024734e488782cddf130a6678
SHA256c03ac168d7438bbd1c876527d37cfc067bd387a3142a1d8368ffd4b18c05a523
SHA512ff35b9ca6a10cb7aa83db37dad3fe9d2e674e5e5931df07b3f4df23a90cc68694d7c7dae57ddec3c54a87aea642408c9da4fa0e93d6f8807891baf18971c28d7
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MD5
dbc45dfc133472a15ce788a2d823a308
SHA183e181fb31afeb5024734e488782cddf130a6678
SHA256c03ac168d7438bbd1c876527d37cfc067bd387a3142a1d8368ffd4b18c05a523
SHA512ff35b9ca6a10cb7aa83db37dad3fe9d2e674e5e5931df07b3f4df23a90cc68694d7c7dae57ddec3c54a87aea642408c9da4fa0e93d6f8807891baf18971c28d7