Analysis
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max time kernel
162s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:44
Static task
static1
Behavioral task
behavioral1
Sample
0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe
Resource
win10v2004-en-20220112
General
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Target
0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe
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Size
216KB
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MD5
8fd1a05274ceb5ff2350e8ecb15a2e52
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SHA1
f5ccb96df914caaf640aadcc78090db2e87c344f
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SHA256
0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af
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SHA512
bf192af6d0ede66e2d18cabea06b03fbf603df1852dcceb58ba5c4e89a4564357a1aae8b23f14dade1ae83c9a7143d52727efd39c6d9045b1c4ae6691a5c4071
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/2980-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3640-133-0x0000000000400000-0x0000000000420000-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 3640 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.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 50 IoCs
Processes:
svchost.exedescription ioc process 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\KVFileExpirationTime = "132892984562966103" 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\GroupConnectionCount = "0" 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 = "1" 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\NormalDownloadPendingCount = "0" 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\Config\DownloadMode_BackCompat = "1" 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\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\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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288" 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\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\DownloadMonthlyGroupBytes = "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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.896127" 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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084" 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\DownloadMonthlyRateBkCnt = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.723390" 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\MonthlyUploadRestriction = "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\UploadMonthlyInternetBytes = "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\Usage\DownloadMonthlyRateFrCnt = "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\InternetConnectionCount = "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 = "4284" 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\CacheSizeBytes = "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\PriorityDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2980 0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe Token: SeBackupPrivilege 3192 TiWorker.exe Token: SeRestorePrivilege 3192 TiWorker.exe Token: SeSecurityPrivilege 3192 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.execmd.exedescription pid process target process PID 2980 wrote to memory of 3640 2980 0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe MediaCenter.exe PID 2980 wrote to memory of 3640 2980 0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe MediaCenter.exe PID 2980 wrote to memory of 3640 2980 0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe MediaCenter.exe PID 2980 wrote to memory of 2668 2980 0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe cmd.exe PID 2980 wrote to memory of 2668 2980 0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe cmd.exe PID 2980 wrote to memory of 2668 2980 0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe cmd.exe PID 2668 wrote to memory of 2252 2668 cmd.exe PING.EXE PID 2668 wrote to memory of 2252 2668 cmd.exe PING.EXE PID 2668 wrote to memory of 2252 2668 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe"C:\Users\Admin\AppData\Local\Temp\0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3640 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f1034c593e725dfe5a968d0fdecf2cdd141b6bfd658c4e6b524f14a2ff6f5af.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2252
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3076
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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:3320
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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:3192
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c800a5101846a88056f5d8fab445aeaa
SHA1cedf471d9e6b6a68d8f1713ff255b77a9426d4cd
SHA25637acc460c6dc0498b8b5bb3aac3c87f9df245f9601ad01bf6cec874a2e23f49f
SHA512c1280116fab2df6f4dbac86b3897de24a209b62b48959539d29c82a77b848552ce6d19c3be8b8e4459b586896c3d37346d8919c7b0124f5e5294480446662337
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MD5
c800a5101846a88056f5d8fab445aeaa
SHA1cedf471d9e6b6a68d8f1713ff255b77a9426d4cd
SHA25637acc460c6dc0498b8b5bb3aac3c87f9df245f9601ad01bf6cec874a2e23f49f
SHA512c1280116fab2df6f4dbac86b3897de24a209b62b48959539d29c82a77b848552ce6d19c3be8b8e4459b586896c3d37346d8919c7b0124f5e5294480446662337