Analysis
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max time kernel
156s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:58
Static task
static1
Behavioral task
behavioral1
Sample
0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe
Resource
win10v2004-en-20220112
General
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Target
0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe
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Size
101KB
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MD5
5435a6fdca9a63b92a6fae6da8faf3d9
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SHA1
a9b6f2790b2dd20a7b4b234f345c981f3946254b
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SHA256
0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909
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SHA512
1b1af76c95436b3c44fcaa72f121774add5c9d5c4d03928b0092ebcc906b60218d725d2ebfbf5fb4eb2e35d0c1aa9230da05f365358dbb8e405a23443fc60822
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 3576 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.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 53 IoCs
Processes:
svchost.exedescription ioc process 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\UploadRatePct = "100" 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\DownloadMonthlyRateBkBps = "1157726" 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\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.556101" 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\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\InternetConnectionCount = "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\PriorityDownloadCount = "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\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\PriorityDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\SwarmCount = "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\CacheSizeBytes = "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\UploadMonthlyLanBytes = "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\Usage\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadCount = "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\MemoryUsageKB = "4312" 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\FrDownloadRatePct = "90" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.302981" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4044" 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 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\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\Config\KVFileExpirationTime = "132892991733305511" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" 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\MonthID = "2" 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 = "90228624" 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\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 (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:
0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 820 0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe Token: SeBackupPrivilege 64 TiWorker.exe Token: SeRestorePrivilege 64 TiWorker.exe Token: SeSecurityPrivilege 64 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.execmd.exedescription pid process target process PID 820 wrote to memory of 3576 820 0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe MediaCenter.exe PID 820 wrote to memory of 3576 820 0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe MediaCenter.exe PID 820 wrote to memory of 3576 820 0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe MediaCenter.exe PID 820 wrote to memory of 2360 820 0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe cmd.exe PID 820 wrote to memory of 2360 820 0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe cmd.exe PID 820 wrote to memory of 2360 820 0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe cmd.exe PID 2360 wrote to memory of 508 2360 cmd.exe PING.EXE PID 2360 wrote to memory of 508 2360 cmd.exe PING.EXE PID 2360 wrote to memory of 508 2360 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe"C:\Users\Admin\AppData\Local\Temp\0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:820 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3576 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0eecc559887bbb43761f074835c280d961f2a1b3723ff0df4769c558837a8909.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:508
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2936
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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:3156
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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:64
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
6145b677a633879bb1d263f82f8154d2
SHA1f477655f1e6f4c0063ded14cf1ecadcb53c41337
SHA2565db05842def520c349dbcab56388db2f2787a026189d6efae7efb31e6b38c7c2
SHA5120d3950c1ac3f8cb0d1426b86155f28fe38e808bc7eb95960d9f123703eb13e3ac0864eeef6b7eddab867c82c8ed9673849f8e8127f368d027e1390c95d0ae91f
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MD5
6145b677a633879bb1d263f82f8154d2
SHA1f477655f1e6f4c0063ded14cf1ecadcb53c41337
SHA2565db05842def520c349dbcab56388db2f2787a026189d6efae7efb31e6b38c7c2
SHA5120d3950c1ac3f8cb0d1426b86155f28fe38e808bc7eb95960d9f123703eb13e3ac0864eeef6b7eddab867c82c8ed9673849f8e8127f368d027e1390c95d0ae91f