Analysis
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max time kernel
173s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:52
Static task
static1
Behavioral task
behavioral1
Sample
0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe
Resource
win10v2004-en-20220112
General
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Target
0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe
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Size
216KB
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MD5
fef7b29db60e21a8cd60c27c84948f51
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SHA1
dc5c47a161c50f9f0837c5af8cdced0c332a2a87
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SHA256
0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7
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SHA512
ce5413d8fe055022aa688a76ee554e0d9a0dbf4ddd320df2719ec576ad1ff758f483a83f7a28e995237b29efb683823df8e62665439b4615ebf6b249b282d720
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/3792-132-0x0000000000400000-0x0000000000420000-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 3456 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.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 51 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyGroupBytes = "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\SwarmCount = "1" 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\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006614" 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\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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096" 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\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 (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\MemoryUsageKB = "4316" 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\DownloadMonthlyCacheHostBytes = "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\DownlinkBps = "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\MemoryUsageKB = "3924" 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 (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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.006001" 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\InternetConnectionCount = "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\MonthlyUploadRestriction = "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\DownloadMonthlyInternetBytes = "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\CacheSizeBytes = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.151216" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.178469" 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\UploadMonthlyLanBytes = "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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893025689745045" 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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exedescription pid process Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeIncBasePriorityPrivilege 3792 0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.execmd.exedescription pid process target process PID 3792 wrote to memory of 3456 3792 0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe MediaCenter.exe PID 3792 wrote to memory of 3456 3792 0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe MediaCenter.exe PID 3792 wrote to memory of 3456 3792 0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe MediaCenter.exe PID 3792 wrote to memory of 3416 3792 0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe cmd.exe PID 3792 wrote to memory of 3416 3792 0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe cmd.exe PID 3792 wrote to memory of 3416 3792 0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe cmd.exe PID 3416 wrote to memory of 3488 3416 cmd.exe PING.EXE PID 3416 wrote to memory of 3488 3416 cmd.exe PING.EXE PID 3416 wrote to memory of 3488 3416 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe"C:\Users\Admin\AppData\Local\Temp\0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3792 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3456 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c70e7a0f19e15cfe807be04fb99e56d127354ab1e075793b68c4b5d94b624c7.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3416 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3488
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2784
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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:3888
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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:1012
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
466c42fbfe3e0d7eadc7afe347a584d8
SHA15d87cf02faa8bf158b654838bf15b71fdc3fb43b
SHA2568e736c2e00bbb439661d4dc8614d4fce0ec72e6246cfec7c5f7a0eab67aad98f
SHA512f7a020f2a706e74a491d908d683ae99e8f9daf56fbf7b3c3917951b104e96640620fdee5d9c9e5e3fdbde7b7c83e06026ca23e58f7e49ade87292ba172583792
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MD5
466c42fbfe3e0d7eadc7afe347a584d8
SHA15d87cf02faa8bf158b654838bf15b71fdc3fb43b
SHA2568e736c2e00bbb439661d4dc8614d4fce0ec72e6246cfec7c5f7a0eab67aad98f
SHA512f7a020f2a706e74a491d908d683ae99e8f9daf56fbf7b3c3917951b104e96640620fdee5d9c9e5e3fdbde7b7c83e06026ca23e58f7e49ade87292ba172583792