Analysis
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max time kernel
159s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:40
Static task
static1
Behavioral task
behavioral1
Sample
14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe
Resource
win10v2004-en-20220112
General
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Target
14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe
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Size
150KB
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MD5
bf8e0d9eed53f3386969dd71a1c7d0fb
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SHA1
9fb2dd2724698b1f9df01ac6665e08ee4d4cdddf
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SHA256
14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb
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SHA512
18a435af90018c5b4d22e66814903d7679bda908e5696fd62c4a8a1ea14754912c8dde70a6e69da5c1d9503190cef01d1de32752479a2e04fc8121be2a0545fa
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 3636 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 49 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyCdnBytes = "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\UploadRatePct = "100" 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\DownloadMonthlyRateFrBps = "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\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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.237611" 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\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\Usage\MonthID = "2" 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\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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4136" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132" 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\LANConnectionCount = "0" 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 = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892908897315446" 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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.054486" 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\Usage 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\SwarmCount = "1" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\DownloadMonthlyCacheHostBytes = "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\PeerInfoCount = "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\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exedescription pid process Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeIncBasePriorityPrivilege 644 14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe Token: SeBackupPrivilege 3380 TiWorker.exe Token: SeRestorePrivilege 3380 TiWorker.exe Token: SeSecurityPrivilege 3380 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.execmd.exedescription pid process target process PID 644 wrote to memory of 3636 644 14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe MediaCenter.exe PID 644 wrote to memory of 3636 644 14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe MediaCenter.exe PID 644 wrote to memory of 3636 644 14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe MediaCenter.exe PID 644 wrote to memory of 3536 644 14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe cmd.exe PID 644 wrote to memory of 3536 644 14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe cmd.exe PID 644 wrote to memory of 3536 644 14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe cmd.exe PID 3536 wrote to memory of 1216 3536 cmd.exe PING.EXE PID 3536 wrote to memory of 1216 3536 cmd.exe PING.EXE PID 3536 wrote to memory of 1216 3536 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe"C:\Users\Admin\AppData\Local\Temp\14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:644 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3636 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14dfb7037a3a866bf846ac612f68220287fead8184ba9fd2ebe3ee35c93088cb.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3536 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1216
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:536
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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:1268
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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:3380
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
59190b65cc732b59db94eae0dcee37d1
SHA12d0434138794077a5cbe30563d206b651bda1fa6
SHA256cf6246184962f1b177f4373545da65e78fea6715c9d10ff209e68d2da1201a1e
SHA512007210f5d0475b01206eb4685e9302ad1f92e15eb9ce7049cbe2c3490d48fefedb7dbe039cdb4c30d75ba5507a9e4491ff9889fe45f7321a8e5cfee8b4e85fc1
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MD5
59190b65cc732b59db94eae0dcee37d1
SHA12d0434138794077a5cbe30563d206b651bda1fa6
SHA256cf6246184962f1b177f4373545da65e78fea6715c9d10ff209e68d2da1201a1e
SHA512007210f5d0475b01206eb4685e9302ad1f92e15eb9ce7049cbe2c3490d48fefedb7dbe039cdb4c30d75ba5507a9e4491ff9889fe45f7321a8e5cfee8b4e85fc1