Analysis
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max time kernel
170s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:33
Static task
static1
Behavioral task
behavioral1
Sample
04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe
Resource
win10v2004-en-20220112
General
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Target
04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe
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Size
92KB
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MD5
43ecf054084ded53fad0dc367e1fb56c
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SHA1
f51851719dfb6fa101f378ea99efe0fcf8e31344
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SHA256
04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2
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SHA512
e4fbe9b423fb8fef1e16d473fad7ef58726ebeb6f8972e48735388c48f9f99ecf258f0090a6b67f79db658fd41c8375ff501992ce471c1ce7f2dcabc7248edde
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 1896 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.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 53 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\BkDownloadRatePct = "45" 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 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\MemoryUsageKB = "4336" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893167159981217" 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\DownloadMonthlyInternetBytes = "0" svchost.exe 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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" 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\Usage\DownloadMonthlyLanBytes = "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\MonthlyUploadRestriction = "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\MonthID = "2" 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\FrDownloadRatePct = "90" 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 = "11.291689" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.761601" 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\UploadMonthlyLanBytes = "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\UploadRatePct = "100" 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\DownloadMonthlyRateBkCnt = "0" 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\DownloadMonthlyLinkLocalBytes = "0" 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\DownloadMonthlyCacheHostBytes = "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\UplinkUsageBps = "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\DownloadMonthlyGroupBytes = "0" 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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108" 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\DownloadMonthlyRateBkBps = "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\DownlinkUsageBps = "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\UploadCount = "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\DownloadMonthlyRateFrCnt = "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\DownlinkBps = "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\CacheSizeBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 652 04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe Token: SeBackupPrivilege 4044 TiWorker.exe Token: SeRestorePrivilege 4044 TiWorker.exe Token: SeSecurityPrivilege 4044 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.execmd.exedescription pid process target process PID 652 wrote to memory of 1896 652 04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe MediaCenter.exe PID 652 wrote to memory of 1896 652 04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe MediaCenter.exe PID 652 wrote to memory of 1896 652 04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe MediaCenter.exe PID 652 wrote to memory of 920 652 04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe cmd.exe PID 652 wrote to memory of 920 652 04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe cmd.exe PID 652 wrote to memory of 920 652 04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe cmd.exe PID 920 wrote to memory of 3032 920 cmd.exe PING.EXE PID 920 wrote to memory of 3032 920 cmd.exe PING.EXE PID 920 wrote to memory of 3032 920 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe"C:\Users\Admin\AppData\Local\Temp\04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:652 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1896 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04224614cf64a00956257cfb05308159a7f1f6a8aaead50d62448628cef98aa2.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:920 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3032
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3396
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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:1792
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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:4044
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
f5f34697568fd898c2c064b573c34743
SHA1454679d46524c0f6ba8829b5d51aac8704c96d29
SHA256e1ce2af1fbe5d7b537c8e07f44b27e1975ad64e00defba4812d364fd57fcac2c
SHA51291a6326df0f3d406add9dba844cd6c2832f5c83b58a61e642c9368c6278b2d2c4596de4df40cf86c8845595a1115eed3f682a3d9b22a2804b6dfc4d78caca393
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
f5f34697568fd898c2c064b573c34743
SHA1454679d46524c0f6ba8829b5d51aac8704c96d29
SHA256e1ce2af1fbe5d7b537c8e07f44b27e1975ad64e00defba4812d364fd57fcac2c
SHA51291a6326df0f3d406add9dba844cd6c2832f5c83b58a61e642c9368c6278b2d2c4596de4df40cf86c8845595a1115eed3f682a3d9b22a2804b6dfc4d78caca393