Analysis
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max time kernel
157s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:22
Static task
static1
Behavioral task
behavioral1
Sample
0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe
Resource
win10v2004-en-20220112
General
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Target
0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe
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Size
216KB
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MD5
c25e3ac366a3e13100729d30371ca318
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SHA1
bf2f112f1d41c1d0c96b3acc2cda99996ec1f287
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SHA256
0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50
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SHA512
8a171cb344636a8757cba996fc4addce43c1729e0434be35137592415dcc024344855e2512f13705ae1e58fe6918092618956d5b20b5df55bb3a486e877338fa
Malware Config
Signatures
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Sakula Payload 4 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/2120-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3164-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3164 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 49 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893007202672442" 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 = "19.992374" 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\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\DownloadMonthlyRateFrBps = "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\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\PriorityDownloadPendingCount = "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\MonthID = "2" 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\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\DownlinkUsageBps = "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\PeerInfoCount = "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\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\DownloadMonthlyGroupBytes = "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\BkDownloadRatePct = "45" 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 = "0.495063" 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\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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.218182" 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\GroupConnectionCount = "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\FrDownloadRatePct = "90" 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\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\UploadCount = "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\Usage\DownloadMonthlyCdnBytes = "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\Usage\MemoryUsageKB = "4212" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2120 0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe Token: SeBackupPrivilege 3056 TiWorker.exe Token: SeRestorePrivilege 3056 TiWorker.exe Token: SeSecurityPrivilege 3056 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.execmd.exedescription pid process target process PID 2120 wrote to memory of 3164 2120 0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe MediaCenter.exe PID 2120 wrote to memory of 3164 2120 0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe MediaCenter.exe PID 2120 wrote to memory of 3164 2120 0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe MediaCenter.exe PID 2120 wrote to memory of 2196 2120 0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe cmd.exe PID 2120 wrote to memory of 2196 2120 0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe cmd.exe PID 2120 wrote to memory of 2196 2120 0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe cmd.exe PID 2196 wrote to memory of 3484 2196 cmd.exe PING.EXE PID 2196 wrote to memory of 3484 2196 cmd.exe PING.EXE PID 2196 wrote to memory of 3484 2196 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe"C:\Users\Admin\AppData\Local\Temp\0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3164 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0dc2a41924d015fdb8ad21a0c48662a5277faab3171216b5b528fc6e3cd70f50.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3484
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3512
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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:3600
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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:3056
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
dd68f45111e501ce534426160c5917e8
SHA1f1aea96d3662bdc0fd98ab272d8596891fe6a376
SHA25609af795c725b56ac3295d6bc8ddfc6bcefff4fcf359ab366134720f3326a0ebd
SHA512964cd86bc7691d0ec3a0f60fe08aa5e0f815df6edf892a32173a12a0a2d6e4621b17aaddd46f3a5630c97ef5dc4d4acbff7671e1fdf6d7bd8f443a824b1c6f5a
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MD5
dd68f45111e501ce534426160c5917e8
SHA1f1aea96d3662bdc0fd98ab272d8596891fe6a376
SHA25609af795c725b56ac3295d6bc8ddfc6bcefff4fcf359ab366134720f3326a0ebd
SHA512964cd86bc7691d0ec3a0f60fe08aa5e0f815df6edf892a32173a12a0a2d6e4621b17aaddd46f3a5630c97ef5dc4d4acbff7671e1fdf6d7bd8f443a824b1c6f5a