Analysis
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max time kernel
187s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:31
Static task
static1
Behavioral task
behavioral1
Sample
176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe
Resource
win10v2004-en-20220112
General
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Target
176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe
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Size
191KB
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MD5
5323214adc912144fd9dfd120e772723
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SHA1
bd47a5a596c3465b376d4619a19fbe3be6432bc9
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SHA256
176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726
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SHA512
112ff4daf9459b760a056258277d7a35cf4119fc695db1ca3168032ea2784efa0557a5ef36d3115944b434f7d1d910d2755df908db8b22fb3f2c10fa96c44da3
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 3540 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.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\UplinkBps = "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\Config\DODownloadMode = "1" 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\DownloadMonthlyRateBkCnt = "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\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\NormalDownloadCount = "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\PriorityDownloadPendingCount = "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\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 (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\LinkLocalConnectionCount = "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\MemoryUsageKB = "3996" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4360" 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\DownloadMonthlyInternetBytes = "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 = "132892867897954779" 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 = "4344" 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\CacheSizeBytes = "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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.085763" 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\DownloadMonthlyCdnBytes = "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\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 (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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage 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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.325578" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164" 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\DownloadMonthlyLinkLocalBytes = "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 = "1" 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\UploadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exedescription pid process Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeIncBasePriorityPrivilege 3892 176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.execmd.exedescription pid process target process PID 3892 wrote to memory of 3540 3892 176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe MediaCenter.exe PID 3892 wrote to memory of 3540 3892 176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe MediaCenter.exe PID 3892 wrote to memory of 3540 3892 176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe MediaCenter.exe PID 3892 wrote to memory of 4040 3892 176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe cmd.exe PID 3892 wrote to memory of 4040 3892 176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe cmd.exe PID 3892 wrote to memory of 4040 3892 176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe cmd.exe PID 4040 wrote to memory of 2968 4040 cmd.exe PING.EXE PID 4040 wrote to memory of 2968 4040 cmd.exe PING.EXE PID 4040 wrote to memory of 2968 4040 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe"C:\Users\Admin\AppData\Local\Temp\176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3540 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\176d3d7e8bd506eb36c2e17a8a3dcdeb50dde32630686d49a2a4d02f45d29726.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2968
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:212
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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:648
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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:3844
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d2f64bcdd3221a3557cbeed6c605c3b9
SHA12eb78e986074c6a618ba3a742fa56477e7ffd325
SHA2560dc1a6bf5ec3943311a922eaee893bdc3277458d0564a45496e9474e8de79e3b
SHA512c202d005721181aa4e7bb826bd82b75aa96d89370d9b8d6e20877bf8643bcf5e0b285d991e40e71f858c3297721726b5d532ed0fd99e8539a8cca008ddadb5f9
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MD5
d2f64bcdd3221a3557cbeed6c605c3b9
SHA12eb78e986074c6a618ba3a742fa56477e7ffd325
SHA2560dc1a6bf5ec3943311a922eaee893bdc3277458d0564a45496e9474e8de79e3b
SHA512c202d005721181aa4e7bb826bd82b75aa96d89370d9b8d6e20877bf8643bcf5e0b285d991e40e71f858c3297721726b5d532ed0fd99e8539a8cca008ddadb5f9