Analysis
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max time kernel
173s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:48
Static task
static1
Behavioral task
behavioral1
Sample
1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe
Resource
win10v2004-en-20220112
General
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Target
1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe
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Size
176KB
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MD5
bdf1e255ef4bf1e21100551fd49bf028
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SHA1
6d9274cd78a14d730b1ad4b06dd9add50f285be9
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SHA256
1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16
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SHA512
2f862c60803b8b161f92a2bebce3a3f33da015ce634bc8ef470dab0f117d4142885567b1ac87658ddc8b335dc60e26fe477bbdec47824a13a48c2562062c2153
Malware Config
Signatures
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Sakula Payload 3 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 behavioral2/memory/1804-132-0x0000000000400000-0x0000000000420000-memory.dmp 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 2112 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.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 50 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4220" 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\DODownloadMode = "1" 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 (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\LinkLocalConnectionCount = "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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.893970" 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\DownloadMonthlyGroupBytes = "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 (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\Config\KVFileExpirationTime = "132892913712119708" 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\CDNConnectionCount = "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\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\DownloadMonthlyRateBkBps = "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\UploadCount = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyCacheHostBytes = "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\BkDownloadRatePct = "45" 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 = "4108" 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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "19.997952" 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\CacheSizeBytes = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.015342" 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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284" 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\DownloadMonthlyInternetBytes = "0" 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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exedescription pid process Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeIncBasePriorityPrivilege 1804 1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe Token: SeBackupPrivilege 3036 TiWorker.exe Token: SeRestorePrivilege 3036 TiWorker.exe Token: SeSecurityPrivilege 3036 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.execmd.exedescription pid process target process PID 1804 wrote to memory of 2112 1804 1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe MediaCenter.exe PID 1804 wrote to memory of 2112 1804 1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe MediaCenter.exe PID 1804 wrote to memory of 2112 1804 1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe MediaCenter.exe PID 1804 wrote to memory of 3176 1804 1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe cmd.exe PID 1804 wrote to memory of 3176 1804 1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe cmd.exe PID 1804 wrote to memory of 3176 1804 1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe cmd.exe PID 3176 wrote to memory of 3520 3176 cmd.exe PING.EXE PID 3176 wrote to memory of 3520 3176 cmd.exe PING.EXE PID 3176 wrote to memory of 3520 3176 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe"C:\Users\Admin\AppData\Local\Temp\1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2112 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3176 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3520
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
PID:1164
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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:1808
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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:3036
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
3a4bef82021105ef9a0121f69147ffc7
SHA130742b8407dbebfdba6446c781be3755cf7abbf3
SHA256ac2098781d30438c1669243c043a4caa1d0a5455ef394e7bf5af7337f5291142
SHA5124d4c8494e382a55d292b9b87471ecc874ac0ced6bef0ccbc1f740fe61c967e0284613143ae5fe7f9112367be06a8bcc79d297c6a74dbcbc045b408e4d7808bf3
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MD5
3a4bef82021105ef9a0121f69147ffc7
SHA130742b8407dbebfdba6446c781be3755cf7abbf3
SHA256ac2098781d30438c1669243c043a4caa1d0a5455ef394e7bf5af7337f5291142
SHA5124d4c8494e382a55d292b9b87471ecc874ac0ced6bef0ccbc1f740fe61c967e0284613143ae5fe7f9112367be06a8bcc79d297c6a74dbcbc045b408e4d7808bf3