Analysis
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max time kernel
166s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:42
Static task
static1
Behavioral task
behavioral1
Sample
065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe
Resource
win10v2004-en-20220112
General
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Target
065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe
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Size
99KB
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MD5
730ba0ab7baf63252432bfa78c883c16
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SHA1
66f6626a3c89ae6cdda42b4d54dcdb1790e7f259
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SHA256
065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60
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SHA512
c10eca1889939d722a15892ab3d6af467fd14a1264e6c4278c9b4fcaa66ce628757017a7d23a8c961b4dfe120534b6a679dcf4ad734c2c299d36d2e4c78a6bd0
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 1916 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.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\NormalDownloadPendingCount = "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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893137278828562" 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\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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.983131" 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\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\UplinkBps = "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 = "4328" 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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrBps = "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 (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\CacheSizeBytes = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.031299" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.883678" 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\LinkLocalConnectionCount = "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\UploadMonthlyLanBytes = "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\LANConnectionCount = "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\UploadCount = "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\DODownloadMode = "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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3976" 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\InternetConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006577" 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\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\DownloadMonthlyRateBkBps = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe Token: SeRestorePrivilege 3416 TiWorker.exe Token: SeSecurityPrivilege 3416 TiWorker.exe Token: SeBackupPrivilege 3416 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.execmd.exedescription pid process target process PID 3152 wrote to memory of 1916 3152 065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe MediaCenter.exe PID 3152 wrote to memory of 1916 3152 065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe MediaCenter.exe PID 3152 wrote to memory of 1916 3152 065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe MediaCenter.exe PID 3152 wrote to memory of 2320 3152 065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe cmd.exe PID 3152 wrote to memory of 2320 3152 065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe cmd.exe PID 3152 wrote to memory of 2320 3152 065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe cmd.exe PID 2320 wrote to memory of 1180 2320 cmd.exe PING.EXE PID 2320 wrote to memory of 1180 2320 cmd.exe PING.EXE PID 2320 wrote to memory of 1180 2320 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe"C:\Users\Admin\AppData\Local\Temp\065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1916 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\065642eea89a547b1db1fdd6e6e6eb89984523f46b7824c4a07cfbaa7ba93b60.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1180
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4084
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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:3880
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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:3416
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
cc864bc87210932d445015f891f55766
SHA14ad19e8d1e1bedc9ddfc39f16e356e41b21ef50e
SHA256bc5920bc4f30bd21ae2044fe3a0180aa605c393e6c1b39a288879e6edda826c4
SHA5124f19549eb58a8412bf8416b42282edc9b4cf778e4976273cbee4a368bcd1d0e40c11814806a5b780f32e5c69ca9369d9c556894b229a9cd7ea4cf09fa455684a
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
cc864bc87210932d445015f891f55766
SHA14ad19e8d1e1bedc9ddfc39f16e356e41b21ef50e
SHA256bc5920bc4f30bd21ae2044fe3a0180aa605c393e6c1b39a288879e6edda826c4
SHA5124f19549eb58a8412bf8416b42282edc9b4cf778e4976273cbee4a368bcd1d0e40c11814806a5b780f32e5c69ca9369d9c556894b229a9cd7ea4cf09fa455684a