Analysis
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max time kernel
173s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:52
Static task
static1
Behavioral task
behavioral1
Sample
142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe
Resource
win10v2004-en-20220112
General
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Target
142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe
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Size
168KB
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MD5
044841c68c96497858ee1c48c5b410fc
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SHA1
ada51df0accce321a5da036a76090326875aef35
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SHA256
142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4
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SHA512
c96a9790ccad7e9db17a4d3033bfc439039faa9e2af0bbfe0aaebcfe83b901602afb82d2880389f36d12fa359c59d30bb9714239aded20368d6b43524743cfe2
Malware Config
Signatures
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Sakula Payload 3 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/1212-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3848 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.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 51 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyRateFrCnt = "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\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\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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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\BkDownloadRatePct = "45" 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\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006599" 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\DODownloadMode = "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\UplinkBps = "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 (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\DownloadMonthlyRateBkBps = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\SwarmCount = "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\MemoryUsageKB = "4336" 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\CDNConnectionCount = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.142585" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3996" 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\UploadMonthlyLanBytes = "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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892916019203577" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.597778" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exedescription pid process Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeIncBasePriorityPrivilege 1212 142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe Token: SeBackupPrivilege 1848 TiWorker.exe Token: SeRestorePrivilege 1848 TiWorker.exe Token: SeSecurityPrivilege 1848 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.execmd.exedescription pid process target process PID 1212 wrote to memory of 3848 1212 142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe MediaCenter.exe PID 1212 wrote to memory of 3848 1212 142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe MediaCenter.exe PID 1212 wrote to memory of 3848 1212 142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe MediaCenter.exe PID 1212 wrote to memory of 448 1212 142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe cmd.exe PID 1212 wrote to memory of 448 1212 142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe cmd.exe PID 1212 wrote to memory of 448 1212 142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe cmd.exe PID 448 wrote to memory of 2164 448 cmd.exe PING.EXE PID 448 wrote to memory of 2164 448 cmd.exe PING.EXE PID 448 wrote to memory of 2164 448 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe"C:\Users\Admin\AppData\Local\Temp\142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3848 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:448 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2164
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1784
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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:1216
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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:1848
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
6bfa59efa6e21ecc5eb59fb6de21828b
SHA12fb262b9d183dbe5c3cfe873d06b56040f0f2395
SHA25669a5756346bd79a7701bc24dfa24a5724795ca2f2e56e054b16e31fc8cd968e4
SHA512f15afcccdf37217be38a467d3b81ca8d09d8da51d5fc0e5de3e1c8fd44d714f4007a9e4a44558789fdbbbdcf4f6936d78306b895b340d35b801d1a4b025633c5
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MD5
6bfa59efa6e21ecc5eb59fb6de21828b
SHA12fb262b9d183dbe5c3cfe873d06b56040f0f2395
SHA25669a5756346bd79a7701bc24dfa24a5724795ca2f2e56e054b16e31fc8cd968e4
SHA512f15afcccdf37217be38a467d3b81ca8d09d8da51d5fc0e5de3e1c8fd44d714f4007a9e4a44558789fdbbbdcf4f6936d78306b895b340d35b801d1a4b025633c5