Analysis
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max time kernel
165s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:32
Static task
static1
Behavioral task
behavioral1
Sample
0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe
Resource
win10v2004-en-20220112
General
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Target
0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe
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Size
100KB
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MD5
fab0c1c68e920685bf2ddb0658070517
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SHA1
66709eb0ae1d63697e0f2a3e3d697a9fc75aa2e2
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SHA256
0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90
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SHA512
a9085642c7c726e368f2fae38201d70eb0060fb92e0ecab7599e748c2166dde4cf785247b2c82e188929ddb779e37ff7fcd8fcd14a097d0cf262c59ad9d6934d
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 3832 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exeMusNotifyIcon.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 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 49 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\BkDownloadRatePct = "45" 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\Config\DownloadMode_BackCompat = "1" 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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "17.854311" 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\MemoryUsageKB = "4144" 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 (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\MonthID = "2" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.398011" 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 = "132892976222616392" 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\CacheSizeBytes = "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\FrDownloadRatePct = "90" 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\DownloadMonthlyGroupBytes = "0" 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 = "0.000000" 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\PeerInfoCount = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\DownloadMonthlyCacheHostBytes = "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\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\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\DownloadMonthlyRateBkCnt = "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\UploadRatePct = "100" 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 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\DownloadMonthlyCdnBytes = "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\DownlinkUsageBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2840 0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe Token: SeBackupPrivilege 2276 TiWorker.exe Token: SeRestorePrivilege 2276 TiWorker.exe Token: SeSecurityPrivilege 2276 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.execmd.exedescription pid process target process PID 2840 wrote to memory of 3832 2840 0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe MediaCenter.exe PID 2840 wrote to memory of 3832 2840 0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe MediaCenter.exe PID 2840 wrote to memory of 3832 2840 0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe MediaCenter.exe PID 2840 wrote to memory of 1328 2840 0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe cmd.exe PID 2840 wrote to memory of 1328 2840 0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe cmd.exe PID 2840 wrote to memory of 1328 2840 0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe cmd.exe PID 1328 wrote to memory of 480 1328 cmd.exe PING.EXE PID 1328 wrote to memory of 480 1328 cmd.exe PING.EXE PID 1328 wrote to memory of 480 1328 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe"C:\Users\Admin\AppData\Local\Temp\0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3832 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fbf5e072ad32cbf0a9cc1306565e7ce69175fd0bb5bc25dce210d7cb03d1c90.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:480
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3956
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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:644
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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:2276
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4048
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
2105f07e6fa1f8d35887cf280944e622
SHA1e056e2e829ef42aaba7b28c0221e574702ee7c64
SHA256c35832949790aa80ac6a79ce89863ebd7785088757b804461d35cceebaf01f91
SHA512394a2464f47b0c4d995066bf15e272a33ad19bba1efd518362483697690d52901c14a5eb924334caf805340071dbeda762613849e972049c329d65cb0d306da6
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MD5
2105f07e6fa1f8d35887cf280944e622
SHA1e056e2e829ef42aaba7b28c0221e574702ee7c64
SHA256c35832949790aa80ac6a79ce89863ebd7785088757b804461d35cceebaf01f91
SHA512394a2464f47b0c4d995066bf15e272a33ad19bba1efd518362483697690d52901c14a5eb924334caf805340071dbeda762613849e972049c329d65cb0d306da6