Analysis
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max time kernel
156s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:13
Static task
static1
Behavioral task
behavioral1
Sample
0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe
Resource
win10v2004-en-20220112
General
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Target
0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe
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Size
184KB
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MD5
a21100b0fa08feb64eb7aabda36fda5c
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SHA1
da7bc43b033a370088b99b9d068a8f141855a9cb
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SHA256
0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035
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SHA512
32bf2489c69bbb5e0e38d1b273ecaf14a6c01d481b4fe6a4483d6455576d13354c0ef0c6d4de8c30891afae9e6a7e1969fa35096acf5e93818b7fe9c93a16854
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/3572-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3708-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3708 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.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 52 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\DownlinkBps = "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\MemoryUsageKB = "3964" 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\PeerInfoCount = "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\LANConnectionCount = "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 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\DownloadMonthlyLanBytes = "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\NormalDownloadCount = "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\SwarmCount = "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\KVFileExpirationTime = "132893000752667353" 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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.035706" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" 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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkCnt = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092" 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\UploadMonthlyInternetBytes = "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\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\BkDownloadRatePct = "45" 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 = "7.575396" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.004815" 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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "4308" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013173" 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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3572 0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.execmd.exedescription pid process target process PID 3572 wrote to memory of 3708 3572 0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe MediaCenter.exe PID 3572 wrote to memory of 3708 3572 0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe MediaCenter.exe PID 3572 wrote to memory of 3708 3572 0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe MediaCenter.exe PID 3572 wrote to memory of 3932 3572 0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe cmd.exe PID 3572 wrote to memory of 3932 3572 0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe cmd.exe PID 3572 wrote to memory of 3932 3572 0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe cmd.exe PID 3932 wrote to memory of 3876 3932 cmd.exe PING.EXE PID 3932 wrote to memory of 3876 3932 cmd.exe PING.EXE PID 3932 wrote to memory of 3876 3932 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe"C:\Users\Admin\AppData\Local\Temp\0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3572 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3708 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e27902ccb53e3e09d0d46d95c18ebaebac7c70b1f4664b1160685db620cf035.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3876
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3976
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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:3964
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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:3852
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
9cca62aadad52da3d54fba96d0603ecb
SHA17948871145a14c24a5429fc39e5fcbc08479e16f
SHA25648a345ef321f41b93f047994d06e293b9524e04090ca2e2202740f29bb5838c2
SHA5122a9873d4fc262fdabf4ccf48dcb1044326a4b160a331595d618e34a3fb4f3380db89d562cac78fe4012b026114d9cb867a5d0528b17aede0bf01931421b6763b
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MD5
9cca62aadad52da3d54fba96d0603ecb
SHA17948871145a14c24a5429fc39e5fcbc08479e16f
SHA25648a345ef321f41b93f047994d06e293b9524e04090ca2e2202740f29bb5838c2
SHA5122a9873d4fc262fdabf4ccf48dcb1044326a4b160a331595d618e34a3fb4f3380db89d562cac78fe4012b026114d9cb867a5d0528b17aede0bf01931421b6763b