Analysis
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max time kernel
156s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:30
Static task
static1
Behavioral task
behavioral1
Sample
0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe
Resource
win10v2004-en-20220112
General
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Target
0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe
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Size
216KB
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MD5
f22170f2ecb803c4f92b46a7e3014616
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SHA1
8c3781d1ae8dd12a76cd04e6f88a410a3823dcc6
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SHA256
0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2
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SHA512
122e0576a413fbee7008a2281ec4bfd33f729060157c344d16b845814205050105176c2e286e36e3a5fe3532b763be9948b4da221eb8dd7ea1a3b2795fe8c8ff
Malware Config
Signatures
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Sakula Payload 3 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/3696-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 740 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.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 54 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyInternetBytes = "0" 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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\SwarmCount = "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\DownloadMonthlyRateFrBps = "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 = "132892976187565829" 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\GroupConnectionCount = "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\Config\DODownloadMode = "1" 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\CacheSizeBytes = "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\FrDownloadRatePct = "90" 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\UplinkUsageBps = "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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyRateBkBps = "0" 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 = "4.069782" 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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyCdnBytes = "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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\MemoryUsageKB = "4296" 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\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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.941315" 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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3696 0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe Token: SeBackupPrivilege 1728 TiWorker.exe Token: SeRestorePrivilege 1728 TiWorker.exe Token: SeSecurityPrivilege 1728 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.execmd.exedescription pid process target process PID 3696 wrote to memory of 740 3696 0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe MediaCenter.exe PID 3696 wrote to memory of 740 3696 0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe MediaCenter.exe PID 3696 wrote to memory of 740 3696 0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe MediaCenter.exe PID 3696 wrote to memory of 2312 3696 0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe cmd.exe PID 3696 wrote to memory of 2312 3696 0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe cmd.exe PID 3696 wrote to memory of 2312 3696 0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe cmd.exe PID 2312 wrote to memory of 3612 2312 cmd.exe PING.EXE PID 2312 wrote to memory of 3612 2312 cmd.exe PING.EXE PID 2312 wrote to memory of 3612 2312 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe"C:\Users\Admin\AppData\Local\Temp\0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3696 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:740 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3612
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3524
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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:1916
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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:1728
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
b8c048fd9b01a16d9445faa953acfc25
SHA10abe4b74ba7d267ea986088c7164e3a0d1d3dd9a
SHA2567cbdad55a99907c8faf03d21be3db4de20fa726b0dd5953ac22877a0ccd46832
SHA5129bafeef57b59b1bb87f5416baf9e541cbedc788cfc7224ab36442a0d2acd7fccf901feeb92be92764546cd29ef53b40f391e49be0c2e4a5f3f375bd57bff8705
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MD5
b8c048fd9b01a16d9445faa953acfc25
SHA10abe4b74ba7d267ea986088c7164e3a0d1d3dd9a
SHA2567cbdad55a99907c8faf03d21be3db4de20fa726b0dd5953ac22877a0ccd46832
SHA5129bafeef57b59b1bb87f5416baf9e541cbedc788cfc7224ab36442a0d2acd7fccf901feeb92be92764546cd29ef53b40f391e49be0c2e4a5f3f375bd57bff8705