Analysis
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max time kernel
167s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:14
Static task
static1
Behavioral task
behavioral1
Sample
108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe
Resource
win10v2004-en-20220112
General
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Target
108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe
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Size
92KB
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MD5
b83eaff287bfefe90c40b8964bb313ef
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SHA1
2092e4b5d38e3e2943ee5d135c27d87f190181c6
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SHA256
108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776
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SHA512
e9bae2121b952979f673c78631b596e3ceb1195ae4cd7382e41aafe7639b6641be37eb4e451ded3b95a114a72815ac5500f6b2c39b1a5ec9c045ca1c642d9a45
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 1304 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.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 54 IoCs
Processes:
svchost.exedescription ioc process 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\BkDownloadRatePct = "45" 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\NormalDownloadCount = "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\UploadRatePct = "100" 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 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\InternetConnectionCount = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4244" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892966087523693" 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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkCnt = "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\Usage\MonthID = "1" 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\GroupConnectionCount = "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\CacheSizeBytes = "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\DownlinkUsageBps = "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 = "8.333124" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" 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\UplinkUsageBps = "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\DownloadMonthlyLanBytes = "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\LinkLocalConnectionCount = "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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.069493" 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\PeerInfoCount = "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\MonthlyUploadRestriction = "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\DownlinkBps = "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\MemoryUsageKB = "4064" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" 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 = "0.040225" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exedescription pid process Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeIncBasePriorityPrivilege 2336 108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe Token: SeBackupPrivilege 824 TiWorker.exe Token: SeRestorePrivilege 824 TiWorker.exe Token: SeSecurityPrivilege 824 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.execmd.exedescription pid process target process PID 2336 wrote to memory of 1304 2336 108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe MediaCenter.exe PID 2336 wrote to memory of 1304 2336 108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe MediaCenter.exe PID 2336 wrote to memory of 1304 2336 108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe MediaCenter.exe PID 2336 wrote to memory of 1888 2336 108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe cmd.exe PID 2336 wrote to memory of 1888 2336 108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe cmd.exe PID 2336 wrote to memory of 1888 2336 108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe cmd.exe PID 1888 wrote to memory of 2228 1888 cmd.exe PING.EXE PID 1888 wrote to memory of 2228 1888 cmd.exe PING.EXE PID 1888 wrote to memory of 2228 1888 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe"C:\Users\Admin\AppData\Local\Temp\108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1304 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\108269352e437295cb1784b399f592fc4b7c9e67ac581540b16aa9452de06776.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2228
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3456
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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:1316
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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:824
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
295091471a577cdf4fa16a0e02fdb515
SHA1bc464400766245b88d2d259cbec0b533f6db92fe
SHA256dce521146101d13c1472ed02a1ca8b06973000c844c78ae22da7246ef3447131
SHA51206e50565d8b635c200b98d725b9a828b4bea3ce04072ab3ab6b7f2b3fafe078833cb888a7cb7986d2be910309c44a88c8a372be7d1d98056f8d6965d482b5418
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MD5
295091471a577cdf4fa16a0e02fdb515
SHA1bc464400766245b88d2d259cbec0b533f6db92fe
SHA256dce521146101d13c1472ed02a1ca8b06973000c844c78ae22da7246ef3447131
SHA51206e50565d8b635c200b98d725b9a828b4bea3ce04072ab3ab6b7f2b3fafe078833cb888a7cb7986d2be910309c44a88c8a372be7d1d98056f8d6965d482b5418