Analysis
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max time kernel
165s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:54
Static task
static1
Behavioral task
behavioral1
Sample
0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe
Resource
win10v2004-en-20220112
General
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Target
0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe
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Size
99KB
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MD5
6e020077b34a76f472b3ba3f77c1209a
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SHA1
02e4d17447d6ad2999958ebe99164b16d2317606
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SHA256
0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977
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SHA512
e52167dc12f8d3cb040741c2472e74a6f1da79a0ad55fcbe2ebba8ff4b42e5d5bc622bcd0554b37057b9451e179acc6b4e1b184760b126e97e88b66416792b0f
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 840 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.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 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\MonthID = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4064" 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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" 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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893027263757505" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "18.749910" 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\CDNConnectionCount = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296" 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\SwarmCount = "1" 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\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\Usage\MonthlyUploadRestriction = "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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" 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\DownloadMonthlyRateFrBps = "0" 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\Usage\DownloadMonthlyRateBkBps = "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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.342534" 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\PriorityDownloadCount = "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\DownloadMode_BackCompat = "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\GroupConnectionCount = "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\SwarmCount = "0" 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\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadPendingCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3724 0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe Token: SeBackupPrivilege 316 TiWorker.exe Token: SeRestorePrivilege 316 TiWorker.exe Token: SeSecurityPrivilege 316 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.execmd.exedescription pid process target process PID 3724 wrote to memory of 840 3724 0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe MediaCenter.exe PID 3724 wrote to memory of 840 3724 0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe MediaCenter.exe PID 3724 wrote to memory of 840 3724 0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe MediaCenter.exe PID 3724 wrote to memory of 2280 3724 0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe cmd.exe PID 3724 wrote to memory of 2280 3724 0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe cmd.exe PID 3724 wrote to memory of 2280 3724 0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe cmd.exe PID 2280 wrote to memory of 1552 2280 cmd.exe PING.EXE PID 2280 wrote to memory of 1552 2280 cmd.exe PING.EXE PID 2280 wrote to memory of 1552 2280 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe"C:\Users\Admin\AppData\Local\Temp\0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:840 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c4ca495b0ce6af6fbfb88cd893ed1b84a42567b977bedde85946472df951977.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1552
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3768
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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:3420
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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:316
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
f33d56076edfc6d8208452029babd03e
SHA1bb93fb8d29eeef0adddbf20cad933d0709d3a880
SHA2566a06e08b4aaa17470581ce4e4858b67067257f44bdc2a18f0a620215bcae67c8
SHA5122129db8a83e6e465a4f5462191d05cd4cefa445e7ea916695bb2b5826c75d731efadd88d4fc445807510e791d9ef7b01222514a72a9058477c610aebe5f95f60
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MD5
f33d56076edfc6d8208452029babd03e
SHA1bb93fb8d29eeef0adddbf20cad933d0709d3a880
SHA2566a06e08b4aaa17470581ce4e4858b67067257f44bdc2a18f0a620215bcae67c8
SHA5122129db8a83e6e465a4f5462191d05cd4cefa445e7ea916695bb2b5826c75d731efadd88d4fc445807510e791d9ef7b01222514a72a9058477c610aebe5f95f60