Analysis
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max time kernel
167s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:49
Static task
static1
Behavioral task
behavioral1
Sample
11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe
Resource
win10v2004-en-20220112
General
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Target
11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe
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Size
152KB
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MD5
66e166f3aff6fcf50603fd889bcc4c1b
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SHA1
3aacb55121a3b7dff508b5148b04eceed1368a34
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SHA256
11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea
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SHA512
917f520a104b57f4d230724c845e22e69fb35e7e3f3312ea0ec516361e9007f65d314a318c1e46593a532c289225f522d2e5b445e1cda2f507cc27944f996d4a
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 -
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 3092 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\WinSxS\pending.xml 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\Logs\CBS\CBS.log 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 50 IoCs
Processes:
svchost.exedescription ioc process 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\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\Usage\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.470604" 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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4352" 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\DownloadMonthlyInternetBytes = "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\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 (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\LinkLocalConnectionCount = "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\PriorityDownloadCount = "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\Config\DODownloadMode = "1" 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\Config\KVFileExpirationTime = "132892950250757960" 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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160" 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\DownloadMonthlyRateFrCnt = "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\LANConnectionCount = "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\PriorityDownloadPendingCount = "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\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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.039216" 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\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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3824 11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe Token: SeBackupPrivilege 1192 TiWorker.exe Token: SeRestorePrivilege 1192 TiWorker.exe Token: SeSecurityPrivilege 1192 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.execmd.exedescription pid process target process PID 3824 wrote to memory of 3092 3824 11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe MediaCenter.exe PID 3824 wrote to memory of 3092 3824 11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe MediaCenter.exe PID 3824 wrote to memory of 3092 3824 11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe MediaCenter.exe PID 3824 wrote to memory of 548 3824 11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe cmd.exe PID 3824 wrote to memory of 548 3824 11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe cmd.exe PID 3824 wrote to memory of 548 3824 11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe cmd.exe PID 548 wrote to memory of 3868 548 cmd.exe PING.EXE PID 548 wrote to memory of 3868 548 cmd.exe PING.EXE PID 548 wrote to memory of 3868 548 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe"C:\Users\Admin\AppData\Local\Temp\11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3092 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11a097c5d33d6aa3fbd8cce2f495d1909a2bb15b8dc1a152cf20db6ae6a656ea.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3868
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3424
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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:3952
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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:1192
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
1461ee664de4b1568d3996bdb7275142
SHA148e7c7d8502d6cb62ed401bc5f26a4c6d8678834
SHA256701bc74c0570b297a6f6459f2c2fa39b6ffeb32b84fe809a67ef77ffd8281fe5
SHA5123925794811ac92561faba50346774100c054d2d33a47826b62cb61496d219fcad7e700864e6401c55f7faaa1cc5dd87c381363b52baee692a95e80a18e449a18
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MD5
1461ee664de4b1568d3996bdb7275142
SHA148e7c7d8502d6cb62ed401bc5f26a4c6d8678834
SHA256701bc74c0570b297a6f6459f2c2fa39b6ffeb32b84fe809a67ef77ffd8281fe5
SHA5123925794811ac92561faba50346774100c054d2d33a47826b62cb61496d219fcad7e700864e6401c55f7faaa1cc5dd87c381363b52baee692a95e80a18e449a18