Analysis
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max time kernel
173s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:46
Static task
static1
Behavioral task
behavioral1
Sample
1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe
Resource
win10v2004-en-20220112
General
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Target
1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe
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Size
92KB
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MD5
6259c7a8e37859f80981085ced06140d
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SHA1
405940f0a3473d8bae265f02ec304b016f960dbb
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SHA256
1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb
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SHA512
10daa6990e948c0cb3d4e8d3cf3b0bb6329318b847c1d7d25b546f36526330fa3386be58ab84d89f9877b938cc0aac8cf83369db1123897451fdb8bf28ae9e74
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 2184 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.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\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 54 IoCs
Processes:
svchost.exedescription ioc process 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\LANConnectionCount = "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\MonthID = "2" 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\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\PeerInfoCount = "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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "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 = "30.019405" 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\DownloadMonthlyCacheHostBytes = "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 = "4080" 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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4244" 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\DownloadMonthlyRateBkBps = "1157726" 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\DownloadMonthlyInternetBytes = "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 = "1.666654" 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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "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\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\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\UplinkBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\FrDownloadRatePct = "90" 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\DownloadMonthlyRateBkBps = "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\CacheSizeBytes = "0" 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\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892912706258051" 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\Usage\CPUpct = "1.271167" 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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exedescription pid process Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeIncBasePriorityPrivilege 1144 1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.execmd.exedescription pid process target process PID 1144 wrote to memory of 2184 1144 1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe MediaCenter.exe PID 1144 wrote to memory of 2184 1144 1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe MediaCenter.exe PID 1144 wrote to memory of 2184 1144 1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe MediaCenter.exe PID 1144 wrote to memory of 3444 1144 1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe cmd.exe PID 1144 wrote to memory of 3444 1144 1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe cmd.exe PID 1144 wrote to memory of 3444 1144 1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe cmd.exe PID 3444 wrote to memory of 3768 3444 cmd.exe PING.EXE PID 3444 wrote to memory of 3768 3444 cmd.exe PING.EXE PID 3444 wrote to memory of 3768 3444 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe"C:\Users\Admin\AppData\Local\Temp\1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2184 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1489a64b5a79b293a660c80da4b8e2d354233ea3df6ffd125a940124fd0cf6fb.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3444 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3768
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:564
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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:3448
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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:1976
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
906da0b362020cdffc98ffb18b8dd666
SHA1e7349799ca5ed6d052f6555c57abde61bd10dbee
SHA2566522446948ceba2a59657a84de9500f038b479f21a26aa6833c11cec8e531160
SHA5128e4ddb540cb6e9595281f27dbf0550586a7019459a853efda208a670a6a07f1114febecb8e2d17778ef3fbb576508b9f28e3ba5d8d191f8bfcbebfe69845f0a9
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MD5
906da0b362020cdffc98ffb18b8dd666
SHA1e7349799ca5ed6d052f6555c57abde61bd10dbee
SHA2566522446948ceba2a59657a84de9500f038b479f21a26aa6833c11cec8e531160
SHA5128e4ddb540cb6e9595281f27dbf0550586a7019459a853efda208a670a6a07f1114febecb8e2d17778ef3fbb576508b9f28e3ba5d8d191f8bfcbebfe69845f0a9