Analysis
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max time kernel
170s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:08
Static task
static1
Behavioral task
behavioral1
Sample
0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe
Resource
win10v2004-en-20220112
General
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Target
0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe
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Size
125KB
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MD5
915d73858e7d3f18d12a5db564ee20bc
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SHA1
20ec71010ed64f9c43471d5413d6431d2831d27f
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SHA256
0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031
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SHA512
716921cf505db71e74dc4e6ad8ec641b8b8a332dc60a5456027cfced958bc45f05a4b637ad7f5ade069924a3aee13b61f7dc9226abe4450a358d181db1b61ef9
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 1980 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.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\SwarmCount = "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\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 = "3.809588" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4260" 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\DownloadMonthlyCdnBytes = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.100563" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage 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\GroupConnectionCount = "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\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\MemoryUsageKB = "4076" 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\CDNConnectionCount = "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\UploadCount = "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\NormalDownloadCount = "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\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\PriorityDownloadCount = "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\CacheSizeBytes = "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\DownlinkBps = "0" 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "20.005096" 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\UploadRatePct = "100" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\DownloadMonthlyGroupBytes = "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\Config\KVFileExpirationTime = "132892998173911718" 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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4268" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3716 0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe Token: SeBackupPrivilege 3312 TiWorker.exe Token: SeRestorePrivilege 3312 TiWorker.exe Token: SeSecurityPrivilege 3312 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.execmd.exedescription pid process target process PID 3716 wrote to memory of 1980 3716 0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe MediaCenter.exe PID 3716 wrote to memory of 1980 3716 0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe MediaCenter.exe PID 3716 wrote to memory of 1980 3716 0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe MediaCenter.exe PID 3716 wrote to memory of 1752 3716 0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe cmd.exe PID 3716 wrote to memory of 1752 3716 0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe cmd.exe PID 3716 wrote to memory of 1752 3716 0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe cmd.exe PID 1752 wrote to memory of 2972 1752 cmd.exe PING.EXE PID 1752 wrote to memory of 2972 1752 cmd.exe PING.EXE PID 1752 wrote to memory of 2972 1752 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe"C:\Users\Admin\AppData\Local\Temp\0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1980 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e6733828399ba77841f16f10a1f1010cc1e0552f4569f04f0de6ffdf637f031.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2972
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1676
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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:3132
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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:3312
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
cc0d5f7d6da17c92574deb81d79cd028
SHA1283fa5b400f018a6e49467350bd8c11f8ec1fd7a
SHA2564289e487c0513d56881de9c4542de30d738d439622b9f33d043168489424b852
SHA512e97d4a1f3586bbddb515d47bbf192de1cca3d1ea637f976b9893db51c2ee03389300ed9661fda03437bdf48bc02abd1e2c15856028fac6ce0c5ba36e247b9c51
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MD5
cc0d5f7d6da17c92574deb81d79cd028
SHA1283fa5b400f018a6e49467350bd8c11f8ec1fd7a
SHA2564289e487c0513d56881de9c4542de30d738d439622b9f33d043168489424b852
SHA512e97d4a1f3586bbddb515d47bbf192de1cca3d1ea637f976b9893db51c2ee03389300ed9661fda03437bdf48bc02abd1e2c15856028fac6ce0c5ba36e247b9c51