Analysis
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max time kernel
172s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:02
Static task
static1
Behavioral task
behavioral1
Sample
13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe
Resource
win10v2004-en-20220112
General
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Target
13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe
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Size
151KB
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MD5
cd42d1ed96b99ef5078d6a6873afdf48
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SHA1
07b8d9524b57bf36d6fc0e736331e3aa9346adc4
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SHA256
13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998
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SHA512
889528a8216210d11a8157a2459e89300f12fbb7664f1e85ddc132b1797066133a2215a29793be85b73c00546eddcc9fc259b0e1ba0c9ec57fce323642be458f
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 3988 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.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\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\CacheSizeBytes = "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\GroupConnectionCount = "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\NormalDownloadPendingCount = "0" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\UploadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132892921974543190" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.724137" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.222063" 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\UploadMonthlyLanBytes = "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\InternetConnectionCount = "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\NormalDownloadCount = "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\Config\DownloadMode_BackCompat = "1" 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\LinkLocalConnectionCount = "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\FrDownloadRatePct = "90" 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\DownloadMonthlyRateBkBps = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4060" 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\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 (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\LANConnectionCount = "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\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 (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\MemoryUsageKB = "4288" 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 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe Token: SeRestorePrivilege 1948 TiWorker.exe Token: SeSecurityPrivilege 1948 TiWorker.exe Token: SeBackupPrivilege 1948 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.execmd.exedescription pid process target process PID 1780 wrote to memory of 3988 1780 13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe MediaCenter.exe PID 1780 wrote to memory of 3988 1780 13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe MediaCenter.exe PID 1780 wrote to memory of 3988 1780 13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe MediaCenter.exe PID 1780 wrote to memory of 3232 1780 13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe cmd.exe PID 1780 wrote to memory of 3232 1780 13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe cmd.exe PID 1780 wrote to memory of 3232 1780 13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe cmd.exe PID 3232 wrote to memory of 2944 3232 cmd.exe PING.EXE PID 3232 wrote to memory of 2944 3232 cmd.exe PING.EXE PID 3232 wrote to memory of 2944 3232 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe"C:\Users\Admin\AppData\Local\Temp\13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1780 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3988 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13d0a03d511016861dd1a509031b3c1d8ba9abd6da50ce8dfc264ab22db6f998.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3232 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2944
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2116
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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:4012
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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:1948
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
525c0a39883bf0a2e3986335e85303ce
SHA1aef753c600f8a81dd9259199c7406d78dcd145e3
SHA25670ec02ac375d64b92e72d3a482683768660c9559228ae97da012b52c01df771d
SHA512970b923740a64f39f932058313abc25cd66eda006430e379926f8e70f14aff4af752ba60d17baaa919839744bcda7669538f7aff40f2f914faaf01743c4143d5
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MD5
525c0a39883bf0a2e3986335e85303ce
SHA1aef753c600f8a81dd9259199c7406d78dcd145e3
SHA25670ec02ac375d64b92e72d3a482683768660c9559228ae97da012b52c01df771d
SHA512970b923740a64f39f932058313abc25cd66eda006430e379926f8e70f14aff4af752ba60d17baaa919839744bcda7669538f7aff40f2f914faaf01743c4143d5