Analysis
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max time kernel
167s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:47
Static task
static1
Behavioral task
behavioral1
Sample
11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe
Resource
win10v2004-en-20220112
General
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Target
11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe
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Size
216KB
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MD5
23a561d8e5d90eb1da6a532c6cf0a641
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SHA1
d8db4cc832c5078f1954bb72ed2506b67fc82c26
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SHA256
11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70
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SHA512
d2866e3c20ea962e9af37e26cab49cda89b8f38bebf1528c759a27c44ce7d79da8fd501d26475e4ef034894fe7d4ec6aa94c4ccf4e731fe6d095fd4ab535ee04
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/3884-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/816-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 816 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.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 56 IoCs
Processes:
svchost.exedescription ioc process 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\UploadMonthlyInternetBytes = "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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4340" 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\DownlinkUsageBps = "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\DownloadMonthlyCdnBytes = "90228624" 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\DownloadMonthlyRateBkBps = "1157726" 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\DownloadMonthlyRateBkCnt = "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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.087036" 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 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\DownloadMonthlyGroupBytes = "0" 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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.009802" 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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096" 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\UplinkBps = "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\DownloadMonthlyRateFrCnt = "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\DownlinkBps = "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\MemoryUsageKB = "4136" 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\PeerInfoCount = "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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892949036993813" 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\DownloadMonthlyLanBytes = "0" 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\MemoryUsageKB = "4336" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.080321" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.249911" 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\DODownloadMode = "1" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exedescription pid process Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeIncBasePriorityPrivilege 3884 11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.execmd.exedescription pid process target process PID 3884 wrote to memory of 816 3884 11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe MediaCenter.exe PID 3884 wrote to memory of 816 3884 11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe MediaCenter.exe PID 3884 wrote to memory of 816 3884 11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe MediaCenter.exe PID 3884 wrote to memory of 2472 3884 11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe cmd.exe PID 3884 wrote to memory of 2472 3884 11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe cmd.exe PID 3884 wrote to memory of 2472 3884 11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe cmd.exe PID 2472 wrote to memory of 2924 2472 cmd.exe PING.EXE PID 2472 wrote to memory of 2924 2472 cmd.exe PING.EXE PID 2472 wrote to memory of 2924 2472 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe"C:\Users\Admin\AppData\Local\Temp\11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3884 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:816 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11aeebae552dfc6c7989ddc773eac887d162050457f99bac6eedf08436c3de70.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2924
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
PID:804
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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:3796
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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:1752
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
ff0a8363ee20251c87b7ccd005553768
SHA139388ca94ef48ef1a4998ca4acea6e688449eb2a
SHA2562b6e3ab676ae1b6fc2dbbf9ecd5b8b89d014fecf32cf8af0962ab89ff45a2c16
SHA5127bc8f91e0ebc428b163fc149c07d994ac04ec47ffd11759273260a59e90a4539b712ecc6178dbdc7aa49a60f3f5684acbc0815f8c8350ae0c039944c1d1a640c
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MD5
ff0a8363ee20251c87b7ccd005553768
SHA139388ca94ef48ef1a4998ca4acea6e688449eb2a
SHA2562b6e3ab676ae1b6fc2dbbf9ecd5b8b89d014fecf32cf8af0962ab89ff45a2c16
SHA5127bc8f91e0ebc428b163fc149c07d994ac04ec47ffd11759273260a59e90a4539b712ecc6178dbdc7aa49a60f3f5684acbc0815f8c8350ae0c039944c1d1a640c