Analysis
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max time kernel
165s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 08:31
Static task
static1
Behavioral task
behavioral1
Sample
0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe
Resource
win10v2004-en-20220112
General
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Target
0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe
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Size
35KB
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MD5
8cfbf4099d1cc9f430fcf6ad781fd80d
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SHA1
d5d41e2b7218c496d87ed6ba145a3d0b2764de91
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SHA256
0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42
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SHA512
0dfe673ad869a2927402ffda19b9c65d0e1de9a36f524f9119972789b5c6f81713c0d207ecb846c5ebf9578a78ab114e0df1cfacc6a0ea4375b5707fc8cfbad8
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2000 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log 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\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 = "0.067659" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316" 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132" 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\DODownloadMode = "1" 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\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyRateFrBps = "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\DownlinkBps = "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\DownloadMode_BackCompat = "1" 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\DownloadMonthlyGroupBytes = "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\CacheSizeBytes = "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\DownloadMonthlyCdnBytes = "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\UplinkBps = "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\Config\KVFileExpirationTime = "132893048905365694" 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\GroupConnectionCount = "0" 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\UploadCount = "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 Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.734116" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.010506" 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\NormalDownloadCount = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.156617" 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\MonthID = "2" 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\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\LinkLocalConnectionCount = "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\UploadMonthlyLanBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe Token: SeRestorePrivilege 3272 TiWorker.exe Token: SeSecurityPrivilege 3272 TiWorker.exe Token: SeBackupPrivilege 3272 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.execmd.exedescription pid process target process PID 1688 wrote to memory of 2000 1688 0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe MediaCenter.exe PID 1688 wrote to memory of 2000 1688 0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe MediaCenter.exe PID 1688 wrote to memory of 2000 1688 0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe MediaCenter.exe PID 1688 wrote to memory of 1192 1688 0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe cmd.exe PID 1688 wrote to memory of 1192 1688 0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe cmd.exe PID 1688 wrote to memory of 1192 1688 0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe cmd.exe PID 1192 wrote to memory of 672 1192 cmd.exe PING.EXE PID 1192 wrote to memory of 672 1192 cmd.exe PING.EXE PID 1192 wrote to memory of 672 1192 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe"C:\Users\Admin\AppData\Local\Temp\0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2000 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0af3a1ce0ec970a4e80538e9495dbde45ae66b6d3380c39f1ffa7fd550cabc42.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:672
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1060
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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:3020
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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:3272
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
c32bfa7d27a77713a403670a8ef95e45
SHA1afb1e5770a2d0da3ca16ecbdf04416ae9f664306
SHA256e96e8bca9449bc835519cc8c93fbd91eccabbaf431a812e9f68702a27d4114e4
SHA5120517e5d6063a94d63d9aff482b3f0fb2476065952c178f2e4845cdef61d0900dd570767725b60a1bd3055253e5da166870d98fa855704139840da271c94039cc
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
c32bfa7d27a77713a403670a8ef95e45
SHA1afb1e5770a2d0da3ca16ecbdf04416ae9f664306
SHA256e96e8bca9449bc835519cc8c93fbd91eccabbaf431a812e9f68702a27d4114e4
SHA5120517e5d6063a94d63d9aff482b3f0fb2476065952c178f2e4845cdef61d0900dd570767725b60a1bd3055253e5da166870d98fa855704139840da271c94039cc