Analysis
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max time kernel
178s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:10
Static task
static1
Behavioral task
behavioral1
Sample
10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe
Resource
win10v2004-en-20220112
General
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Target
10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe
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Size
216KB
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MD5
b35358f26964918c18fbea4ca4c87ba2
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SHA1
573fd2586a2762d08a6a884c0becbbc003802aac
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SHA256
10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91
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SHA512
2dae6ae1ac5e138abb808e9c0c6f70cc35ebbf15f49f3488f66ef04d4371562b65ea9f824b2d4f6c3cf51e65fe7bb0679133cf893f2dd6156f7ac8d6dbf2973c
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/2784-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 364 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.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\InternetConnectionCount = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkBps = "1157726" 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\DownloadMonthlyLanBytes = "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\DownloadMonthlyGroupBytes = "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\NormalDownloadPendingCount = "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\SwarmCount = "1" 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\MonthlyUploadRestriction = "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\DownloadMonthlyRateBkCnt = "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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.042230" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4184" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4144" 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\DownloadMonthlyRateFrCnt = "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 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\CacheSizeBytes = "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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.875986" 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\BkDownloadRatePct = "45" 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\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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyCdnBytes = "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\UploadRatePct = "100" 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 = "0.160901" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892963356819767" 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\DownlinkBps = "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\DownloadMonthlyRateBkCnt = "4" 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\DownloadMonthlyRateBkBps = "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\Config\DownloadMode_BackCompat = "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\MemoryUsageKB = "4368" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2784 10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe Token: SeBackupPrivilege 3392 TiWorker.exe Token: SeRestorePrivilege 3392 TiWorker.exe Token: SeSecurityPrivilege 3392 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.execmd.exedescription pid process target process PID 2784 wrote to memory of 364 2784 10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe MediaCenter.exe PID 2784 wrote to memory of 364 2784 10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe MediaCenter.exe PID 2784 wrote to memory of 364 2784 10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe MediaCenter.exe PID 2784 wrote to memory of 2356 2784 10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe cmd.exe PID 2784 wrote to memory of 2356 2784 10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe cmd.exe PID 2784 wrote to memory of 2356 2784 10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe cmd.exe PID 2356 wrote to memory of 1228 2356 cmd.exe PING.EXE PID 2356 wrote to memory of 1228 2356 cmd.exe PING.EXE PID 2356 wrote to memory of 1228 2356 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe"C:\Users\Admin\AppData\Local\Temp\10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:364 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10afa2f83f36d61d974a647f31f0fdc0c07d10236c9f49905f8c5e12bd10db91.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1228
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2124
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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:3960
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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:3392
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
12c228e86cff2dde1fd7da9288207e7f
SHA195ce83d6a19fbfb9fa9db6e7887a2b60bec44413
SHA2561897518cc610f6737e5f39c776d1cbfaa4c89c409389bcc08f64074175574fa8
SHA5124e40d7bc263509b14572427bc7c80fe1c836214606efb5ea38939aaca0ea1d76a5e8ca32e546560d5c7360fd6dcc7a4601eef023fefa5dfdda83ae4d35c72610
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MD5
12c228e86cff2dde1fd7da9288207e7f
SHA195ce83d6a19fbfb9fa9db6e7887a2b60bec44413
SHA2561897518cc610f6737e5f39c776d1cbfaa4c89c409389bcc08f64074175574fa8
SHA5124e40d7bc263509b14572427bc7c80fe1c836214606efb5ea38939aaca0ea1d76a5e8ca32e546560d5c7360fd6dcc7a4601eef023fefa5dfdda83ae4d35c72610