Analysis
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max time kernel
171s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:55
Static task
static1
Behavioral task
behavioral1
Sample
14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe
Resource
win10v2004-en-20220112
General
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Target
14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe
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Size
92KB
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MD5
79fd3572f2d429099b795671a89a053d
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SHA1
9cd699611b96568075c9e9a309e5c6a0067a48ff
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SHA256
14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4
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SHA512
34d2aacab00ff5ee3710eb57ea5202695039069523646cb3cc2f18634b16b12b30240afd6d0d3709323317e71441fd55bd8e8ac9e2ed212fb243d7f514771419
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 -
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 2944 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.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 (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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4384" 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\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\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\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 = "20.000461" 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\SwarmCount = "1" 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\Config\DownloadMode_BackCompat = "1" 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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\DownloadMonthlyLinkLocalBytes = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.308219" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.143251" 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\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892918441965912" 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\SwarmCount = "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\Usage\DownloadMonthlyCdnBytes = "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\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\Usage\FrDownloadRatePct = "90" 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\PriorityDownloadPendingCount = "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\UploadMonthlyLanBytes = "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 (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\PeerInfoCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1240 14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe Token: SeBackupPrivilege 4000 TiWorker.exe Token: SeRestorePrivilege 4000 TiWorker.exe Token: SeSecurityPrivilege 4000 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.execmd.exedescription pid process target process PID 1240 wrote to memory of 2944 1240 14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe MediaCenter.exe PID 1240 wrote to memory of 2944 1240 14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe MediaCenter.exe PID 1240 wrote to memory of 2944 1240 14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe MediaCenter.exe PID 1240 wrote to memory of 2972 1240 14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe cmd.exe PID 1240 wrote to memory of 2972 1240 14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe cmd.exe PID 1240 wrote to memory of 2972 1240 14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe cmd.exe PID 2972 wrote to memory of 548 2972 cmd.exe PING.EXE PID 2972 wrote to memory of 548 2972 cmd.exe PING.EXE PID 2972 wrote to memory of 548 2972 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe"C:\Users\Admin\AppData\Local\Temp\14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2944 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14053a307b20f60ee5a23bfe6a1b7db2f9c510609889443a0a3c9250e0b1e7c4.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:548
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1676
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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:3320
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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:4000
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
9b248fa106b1ab9e09f833a6e3eeb970
SHA1e5a466e379e871a15f4b043247330b7feba419b1
SHA25663681f714b5ec9a6b11425c53dfb4af9e293c6a4884c6719cf8f0152d9b59230
SHA512b5ffba8bfaa480f3f5f727768712a6407930cf5007d699fa7363e5c635dc526674f7af241de6c48cb390bbe7fabbf5aa574177b838045e4ec7fa1a44105a6dfa
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MD5
9b248fa106b1ab9e09f833a6e3eeb970
SHA1e5a466e379e871a15f4b043247330b7feba419b1
SHA25663681f714b5ec9a6b11425c53dfb4af9e293c6a4884c6719cf8f0152d9b59230
SHA512b5ffba8bfaa480f3f5f727768712a6407930cf5007d699fa7363e5c635dc526674f7af241de6c48cb390bbe7fabbf5aa574177b838045e4ec7fa1a44105a6dfa