Analysis
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max time kernel
175s -
max time network
200s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:08
Static task
static1
Behavioral task
behavioral1
Sample
10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe
Resource
win10v2004-en-20220112
General
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Target
10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe
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Size
92KB
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MD5
17d69240e27e067498aec7ca09aaa14e
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SHA1
c2cd177e6239cf6851ad7cdcf6614996985536ac
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SHA256
10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35
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SHA512
533f5f8b7f673eb1345239849e3cde45c97d9c7da07604b5f067bcb8c1b4b1c27125d2ccf96160201561ba4e0db2244f168681d26ad3863131920b3ee3c05d74
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 2800 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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 = "1" 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\NormalDownloadCount = "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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\Usage\CPUpct = "0.000000" 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\LinkLocalConnectionCount = "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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4384" 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\PeerInfoCount = "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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.248756" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4376" 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\MemoryUsageKB = "4184" 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\GroupConnectionCount = "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\UplinkBps = "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\DownloadMonthlyRateBkBps = "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\PriorityDownloadPendingCount = "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\DownloadMonthlyLanBytes = "0" 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\UplinkUsageBps = "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\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.333178" 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\DownloadMonthlyCacheHostBytes = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" 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\DownloadMonthlyGroupBytes = "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\InternetConnectionCount = "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\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892962604246303" 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 (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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2284 10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.execmd.exedescription pid process target process PID 2284 wrote to memory of 2800 2284 10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe MediaCenter.exe PID 2284 wrote to memory of 2800 2284 10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe MediaCenter.exe PID 2284 wrote to memory of 2800 2284 10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe MediaCenter.exe PID 2284 wrote to memory of 2188 2284 10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe cmd.exe PID 2284 wrote to memory of 2188 2284 10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe cmd.exe PID 2284 wrote to memory of 2188 2284 10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe cmd.exe PID 2188 wrote to memory of 1788 2188 cmd.exe PING.EXE PID 2188 wrote to memory of 1788 2188 cmd.exe PING.EXE PID 2188 wrote to memory of 1788 2188 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe"C:\Users\Admin\AppData\Local\Temp\10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2800 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10c6c6196d8834383e3bdaa0a62857d0823353d3b8712419d64e243ff58e8a35.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1788
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- 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:3136
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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:752
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
42d871fe3483d519adec13ade23b72ac
SHA18de88c641fc5438aedfd3659ec90b0fa99a71170
SHA2568d15f735c1702b36c90899b52ba6485ccf4c82985513e9bd0915600a4c6e1189
SHA5121a571be9d09742e3788b288b93e5ff553d8d08f8506422191b09752e74b3ad0a3ba129db1d042f78366d7b01f9dda1042f6d8bd3ea180502aef3b2090aaf3ce3
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MD5
42d871fe3483d519adec13ade23b72ac
SHA18de88c641fc5438aedfd3659ec90b0fa99a71170
SHA2568d15f735c1702b36c90899b52ba6485ccf4c82985513e9bd0915600a4c6e1189
SHA5121a571be9d09742e3788b288b93e5ff553d8d08f8506422191b09752e74b3ad0a3ba129db1d042f78366d7b01f9dda1042f6d8bd3ea180502aef3b2090aaf3ce3