Analysis
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max time kernel
190s -
max time network
201s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:27
Static task
static1
Behavioral task
behavioral1
Sample
0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe
Resource
win10v2004-en-20220112
General
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Target
0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe
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Size
79KB
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MD5
6cdc9fd181e32103ccb4e81278642d68
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SHA1
1bd87c32868d9583db80ee6eff4e6790ce85fa37
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SHA256
0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f
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SHA512
179cabef0009d357f9ce44afa10aab462633b9220d19c023e55c541fa5e1039144901f5ce618168bdf9278a8c735abfc1d35d6eed81f932c820e2e3b8bca8122
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 3456 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.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 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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Modifies data under HKEY_USERS 53 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.291524" 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\DODownloadMode = "1" 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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4136" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.207297" 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\DownloadMonthlyRateBkBps = "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\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\DownlinkUsageBps = "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\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" 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\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 (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\SwarmCount = "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 = "4" 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\MonthID = "1" 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\MonthID = "2" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.102110" 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\PriorityDownloadCount = "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\MemoryUsageKB = "4364" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892974272987876" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" 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\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\UploadCount = "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\LinkLocalConnectionCount = "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\NormalDownloadCount = "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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyCdnBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 976 0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe Token: SeBackupPrivilege 3352 TiWorker.exe Token: SeRestorePrivilege 3352 TiWorker.exe Token: SeSecurityPrivilege 3352 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.execmd.exedescription pid process target process PID 976 wrote to memory of 3456 976 0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe MediaCenter.exe PID 976 wrote to memory of 3456 976 0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe MediaCenter.exe PID 976 wrote to memory of 3456 976 0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe MediaCenter.exe PID 976 wrote to memory of 2108 976 0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe cmd.exe PID 976 wrote to memory of 2108 976 0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe cmd.exe PID 976 wrote to memory of 2108 976 0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe cmd.exe PID 2108 wrote to memory of 2480 2108 cmd.exe PING.EXE PID 2108 wrote to memory of 2480 2108 cmd.exe PING.EXE PID 2108 wrote to memory of 2480 2108 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe"C:\Users\Admin\AppData\Local\Temp\0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976 -
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\0ff0acb4fbca1d2d25cd305740434840470f0591f5dac13cf4e5d7008bd5526f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2480
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3412
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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:1968
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3168
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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:3352
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
79527336ce4abd3a2ce7c58b0d2e6a1e
SHA1dac9bdf9890bff40fe51b229c58967556089e326
SHA256f65d217d081db971e66e04a10c65b0983ba198a0aafaf53156997faca144b766
SHA512cbde95090547efce4ff64fd8c6564e3ba9a7adac5582cc86293b4e997903e4f91e7552987d7bdca49cbaf6c037ad747e2ccfcbf378f0fcb9fc8842ac44197d78
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MD5
79527336ce4abd3a2ce7c58b0d2e6a1e
SHA1dac9bdf9890bff40fe51b229c58967556089e326
SHA256f65d217d081db971e66e04a10c65b0983ba198a0aafaf53156997faca144b766
SHA512cbde95090547efce4ff64fd8c6564e3ba9a7adac5582cc86293b4e997903e4f91e7552987d7bdca49cbaf6c037ad747e2ccfcbf378f0fcb9fc8842ac44197d78