Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 02:49
Static task
static1
Behavioral task
behavioral1
Sample
1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe
Resource
win10v2004-en-20220112
General
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Target
1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe
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Size
176KB
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MD5
f709326b43405c7eb7f521d9926e9086
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SHA1
b257701a4a30e39ac04aaf951c8c5c85404797d1
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SHA256
1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499
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SHA512
04f84d9471335f4dfc249d7e8baf6eceb9a4034fa7efdb270488b29a209bfb98349056cf9230da09742f961ee00d85149e72a6fe28868ee5e9c5170c97eb42d1
Malware Config
Signatures
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Sakula Payload 4 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/3064-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/752-133-0x0000000000400000-0x0000000000420000-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 752 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.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 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 51 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\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\LANConnectionCount = "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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892841764319290" 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\MemoryUsageKB = "4116" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" 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\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 (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\CDNConnectionCount = "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 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.500893" 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\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 = "9.997338" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013247" 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\DownloadMonthlyCacheHostBytes = "0" 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\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\UploadRatePct = "100" 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\Config\DownloadMode_BackCompat = "1" 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\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 = "3904" 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\Usage\MonthID = "2" 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 = "1.801823" 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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe Token: SeRestorePrivilege 3376 TiWorker.exe Token: SeSecurityPrivilege 3376 TiWorker.exe Token: SeBackupPrivilege 3376 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.execmd.exedescription pid process target process PID 3064 wrote to memory of 752 3064 1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe MediaCenter.exe PID 3064 wrote to memory of 752 3064 1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe MediaCenter.exe PID 3064 wrote to memory of 752 3064 1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe MediaCenter.exe PID 3064 wrote to memory of 1292 3064 1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe cmd.exe PID 3064 wrote to memory of 1292 3064 1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe cmd.exe PID 3064 wrote to memory of 1292 3064 1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe cmd.exe PID 1292 wrote to memory of 1924 1292 cmd.exe PING.EXE PID 1292 wrote to memory of 1924 1292 cmd.exe PING.EXE PID 1292 wrote to memory of 1924 1292 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe"C:\Users\Admin\AppData\Local\Temp\1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:752 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1968ea4740b45f99a34703ff6797a8338fb37e38930dc2818ff211793ed76499.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1924
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3540
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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:3820
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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:3376
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
9035066fa610e250690d5ab5e02223cf
SHA135f063ffe0aa0bcb26e1bc3883dc1cf7472029b1
SHA256497061d19259ba65bf66bcaa9035afca7a8558d4982437eb617394271acd1e51
SHA512e6cc11f3e0fd777651060ef157521ffbc2ae7b666b03f746baf1162137cb00bc499bbf7b666daa0607ca01a87b6af65f41939a03d87737ddd1087eac377d26a1
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MD5
9035066fa610e250690d5ab5e02223cf
SHA135f063ffe0aa0bcb26e1bc3883dc1cf7472029b1
SHA256497061d19259ba65bf66bcaa9035afca7a8558d4982437eb617394271acd1e51
SHA512e6cc11f3e0fd777651060ef157521ffbc2ae7b666b03f746baf1162137cb00bc499bbf7b666daa0607ca01a87b6af65f41939a03d87737ddd1087eac377d26a1