Analysis
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max time kernel
168s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:59
Static task
static1
Behavioral task
behavioral1
Sample
0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe
Resource
win10v2004-en-20220112
General
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Target
0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe
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Size
216KB
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MD5
2f691aee0c25a23611357a4578e2e027
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SHA1
79b20f0aedeb1615d6baabfd72c7dbdb981066e3
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SHA256
0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2
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SHA512
6e9304df8846ae0d25286ffe661fa9e715ce31194566a90981883df0a02e0e367659accdf5c6d14790114e3a326594711f4bf5c1e8a0e470393d7d568ad45460
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/3960-132-0x0000000000400000-0x0000000000420000-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 2800 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.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\UplinkBps = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.228071" 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\DownloadMonthlyRateBkCnt = "0" 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\DownlinkBps = "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\SwarmCount = "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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyRateBkBps = "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\UploadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132893030333559668" 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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.960736" 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\DownloadMonthlyCdnBytes = "0" svchost.exe 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 (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\InternetConnectionCount = "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 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\MemoryUsageKB = "4188" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000496" 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\Config\DODownloadMode = "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\MonthlyUploadRestriction = "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\UploadMonthlyInternetBytes = "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\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 (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 = "4092" 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\GroupConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3960 0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.execmd.exedescription pid process target process PID 3960 wrote to memory of 2800 3960 0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe MediaCenter.exe PID 3960 wrote to memory of 2800 3960 0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe MediaCenter.exe PID 3960 wrote to memory of 2800 3960 0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe MediaCenter.exe PID 3960 wrote to memory of 1468 3960 0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe cmd.exe PID 3960 wrote to memory of 1468 3960 0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe cmd.exe PID 3960 wrote to memory of 1468 3960 0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe cmd.exe PID 1468 wrote to memory of 2760 1468 cmd.exe PING.EXE PID 1468 wrote to memory of 2760 1468 cmd.exe PING.EXE PID 1468 wrote to memory of 2760 1468 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe"C:\Users\Admin\AppData\Local\Temp\0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3960 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2800 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2760
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4012
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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:2688
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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:388
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
51e9c3011581c0da529dfbdeb9837ad8
SHA19c4e98f83ddfe0e0162dfa87a29b1ab535bec71a
SHA256c523730e07549615788bddc4f4507dedf2038b6512735b6a76f8cd61c3e0949a
SHA5121b8beef99f939d00b6c000557abe1d10e3fc06e8c549d4caf9caf3fdacb27ca9c512b8d497ec7063a15c26c8afe66c13b1953eb3db7603596a30e89ae498206b
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MD5
51e9c3011581c0da529dfbdeb9837ad8
SHA19c4e98f83ddfe0e0162dfa87a29b1ab535bec71a
SHA256c523730e07549615788bddc4f4507dedf2038b6512735b6a76f8cd61c3e0949a
SHA5121b8beef99f939d00b6c000557abe1d10e3fc06e8c549d4caf9caf3fdacb27ca9c512b8d497ec7063a15c26c8afe66c13b1953eb3db7603596a30e89ae498206b