Analysis
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max time kernel
172s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:31
Static task
static1
Behavioral task
behavioral1
Sample
0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe
Resource
win10v2004-en-20220112
General
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Target
0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe
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Size
216KB
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MD5
49e0ba35ffc1c607e219605fb331acf3
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SHA1
395665e051584319835889fb9ec413c6be0c4c0c
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SHA256
0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3
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SHA512
3bec0e101f9dd6f7cf1cc7232b0bb5298cdbea8747ca1f967dd2f903a6427b07fc12a2bf2af40870365081352721025f2484232ddd27084eea146e4d7cef0b5e
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/3920-132-0x0000000000400000-0x0000000000420000-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 2184 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.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 49 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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\DownlinkUsageBps = "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\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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.555574" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892975650517179" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" 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\DownloadMonthlyRateBkBps = "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 = "4272" 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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\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\DownlinkBps = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.053404" 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\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\PeerInfoCount = "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\BkDownloadRatePct = "45" 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\NormalDownloadPendingCount = "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\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 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088" 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\SwarmCount = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exedescription pid process Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeIncBasePriorityPrivilege 3920 0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe Token: SeBackupPrivilege 3564 TiWorker.exe Token: SeRestorePrivilege 3564 TiWorker.exe Token: SeSecurityPrivilege 3564 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.execmd.exedescription pid process target process PID 3920 wrote to memory of 2184 3920 0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe MediaCenter.exe PID 3920 wrote to memory of 2184 3920 0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe MediaCenter.exe PID 3920 wrote to memory of 2184 3920 0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe MediaCenter.exe PID 3920 wrote to memory of 3436 3920 0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe cmd.exe PID 3920 wrote to memory of 3436 3920 0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe cmd.exe PID 3920 wrote to memory of 3436 3920 0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe cmd.exe PID 3436 wrote to memory of 2740 3436 cmd.exe PING.EXE PID 3436 wrote to memory of 2740 3436 cmd.exe PING.EXE PID 3436 wrote to memory of 2740 3436 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe"C:\Users\Admin\AppData\Local\Temp\0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2184 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fc79c044278e99bf3f7d025d4e1338343edb35d8f73dd04faf3fe04dffb22a3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3436 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2740
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2568
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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:1576
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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:3564
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
673f3a9bf3d1331ebcf17ad5dd80743f
SHA15028ef7c652cd7d049fd1ca66e60696b14a9076c
SHA25665b77c2de91b4b09458e96d0042d225c9ad361085c44b85365e76d08e675dfdf
SHA51290fc45ff533159bb68d1eaa969bd648cd9993b260b266af889da2b2ed542a7131ff7c555ad219d5f98729a43b1a7a76e64dcd5b434234b65f54290866c26ab73
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MD5
673f3a9bf3d1331ebcf17ad5dd80743f
SHA15028ef7c652cd7d049fd1ca66e60696b14a9076c
SHA25665b77c2de91b4b09458e96d0042d225c9ad361085c44b85365e76d08e675dfdf
SHA51290fc45ff533159bb68d1eaa969bd648cd9993b260b266af889da2b2ed542a7131ff7c555ad219d5f98729a43b1a7a76e64dcd5b434234b65f54290866c26ab73