Analysis
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max time kernel
148s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:35
Static task
static1
Behavioral task
behavioral1
Sample
1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe
Resource
win10v2004-en-20220112
General
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Target
1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe
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Size
150KB
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MD5
00e9fcdb6930e32f956221b629c4a1ba
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SHA1
31739624b0f87d4fca8d79a761cbb0d59d6370c2
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SHA256
1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9
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SHA512
0efab9d141ddeac5b9aa7a688c2580b6918a08d18e7cd8b3203a18ebb9e1d0bac7e530f4fc7a63195863cfbdc138c09e1e8f94ab2c6440dded57054b87e7834a
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 -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3124 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log 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\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 50 IoCs
Processes:
svchost.exedescription ioc process 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 (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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "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\UploadMonthlyInternetBytes = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4224" 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\BkDownloadRatePct = "45" 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\Config\DODownloadMode = "1" 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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892906252720234" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.191022" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092" 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\DownloadMonthlyInternetBytes = "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\UploadRatePct = "100" 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\MonthID = "2" 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\UplinkUsageBps = "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\UploadCount = "0" 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\MemoryUsageKB = "4216" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\InternetConnectionCount = "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 = "0.423730" 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 Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\DownloadMonthlyRateBkCnt = "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 (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\SwarmCount = "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\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\DownloadMonthlyCdnBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2032 1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeSecurityPrivilege 3588 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.execmd.exedescription pid process target process PID 2032 wrote to memory of 3124 2032 1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe MediaCenter.exe PID 2032 wrote to memory of 3124 2032 1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe MediaCenter.exe PID 2032 wrote to memory of 3124 2032 1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe MediaCenter.exe PID 2032 wrote to memory of 2692 2032 1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe cmd.exe PID 2032 wrote to memory of 2692 2032 1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe cmd.exe PID 2032 wrote to memory of 2692 2032 1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe cmd.exe PID 2692 wrote to memory of 2708 2692 cmd.exe PING.EXE PID 2692 wrote to memory of 2708 2692 cmd.exe PING.EXE PID 2692 wrote to memory of 2708 2692 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe"C:\Users\Admin\AppData\Local\Temp\1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3124 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1514a81c2bfb48089b44c395addad629a73756ecc00fe01ae4af078d18044ff9.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2708
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4076
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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:1564
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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:3588
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
4903fdaa9928a8b3599d3a8ce780ff7f
SHA1b106bc266bf0d812cb226e557b66038653881bf6
SHA256571d6ccf11cf8ad001a825afac64e65d215cd27c14ff1dc61d4c923a22d40791
SHA512cf85aeff3a370ebd2d589ad67c075be45a95c37455057588c809bdd93e780b6c474474538374147c8a1fd491015b008bdb02db308513bec5973c827395494dd8
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MD5
4903fdaa9928a8b3599d3a8ce780ff7f
SHA1b106bc266bf0d812cb226e557b66038653881bf6
SHA256571d6ccf11cf8ad001a825afac64e65d215cd27c14ff1dc61d4c923a22d40791
SHA512cf85aeff3a370ebd2d589ad67c075be45a95c37455057588c809bdd93e780b6c474474538374147c8a1fd491015b008bdb02db308513bec5973c827395494dd8