Analysis
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max time kernel
155s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:19
Static task
static1
Behavioral task
behavioral1
Sample
17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe
Resource
win10v2004-en-20220112
General
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Target
17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe
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Size
89KB
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MD5
25c7b2d1dd87772363066b00046b7bc2
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SHA1
774dab6dd866699941ef2378b3e2fb248647655a
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SHA256
17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c
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SHA512
c193512466b32ebb1c3d123553dc6b799f3e1e6d4b05205f32d3210c8a571246774a5f58285b921a7c6632ff6db57a547848028f76208071404c2d2ada29a92e
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/2516-132-0x0000000000400000-0x000000000041B000-memory.dmp family_sakula behavioral2/memory/3528-133-0x0000000000400000-0x000000000041B000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3528 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.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 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892860231369535" 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\InternetConnectionCount = "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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.218424" 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\DODownloadMode = "1" 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\GroupConnectionCount = "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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.545396" 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\SwarmCount = "1" 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\UploadRatePct = "100" 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 = "4116" 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 = "0.006596" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DownloadMonthlyGroupBytes = "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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3956" 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\MonthID = "2" 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\DownloadMonthlyCacheHostBytes = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\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\DownloadMonthlyRateBkBps = "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\PeerInfoCount = "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\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 (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\CDNConnectionCount = "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\UploadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exedescription pid process Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeIncBasePriorityPrivilege 2516 17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe Token: SeBackupPrivilege 2972 TiWorker.exe Token: SeRestorePrivilege 2972 TiWorker.exe Token: SeSecurityPrivilege 2972 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.execmd.exedescription pid process target process PID 2516 wrote to memory of 3528 2516 17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe MediaCenter.exe PID 2516 wrote to memory of 3528 2516 17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe MediaCenter.exe PID 2516 wrote to memory of 3528 2516 17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe MediaCenter.exe PID 2516 wrote to memory of 3368 2516 17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe cmd.exe PID 2516 wrote to memory of 3368 2516 17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe cmd.exe PID 2516 wrote to memory of 3368 2516 17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe cmd.exe PID 3368 wrote to memory of 3676 3368 cmd.exe PING.EXE PID 3368 wrote to memory of 3676 3368 cmd.exe PING.EXE PID 3368 wrote to memory of 3676 3368 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe"C:\Users\Admin\AppData\Local\Temp\17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3528 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17f3d10e465005474250219f4fd10b89bb002ddaa34cfeb960883324cecc049c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3676
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:112
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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:3400
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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:2972
Network
MITRE ATT&CK Enterprise v6
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Downloads
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MD5
7d2765652517f53a90a2c22ebe36d638
SHA127078d69802ea65100c1ed49d5628de57e7cb608
SHA25688c30edce727f5f9fd53ddbd12bfb1717466c8fb2b1c1c4cf23abe0e029b40c2
SHA512a6f2b561441d93650f787fa96bd2ac015cc7a475d19fc2db744ec6d97634ccdd561e8bff9fd0e1f25d94217f0af40aab2ff24d870d462ae4232f08896e7ade60
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MD5
7d2765652517f53a90a2c22ebe36d638
SHA127078d69802ea65100c1ed49d5628de57e7cb608
SHA25688c30edce727f5f9fd53ddbd12bfb1717466c8fb2b1c1c4cf23abe0e029b40c2
SHA512a6f2b561441d93650f787fa96bd2ac015cc7a475d19fc2db744ec6d97634ccdd561e8bff9fd0e1f25d94217f0af40aab2ff24d870d462ae4232f08896e7ade60