Analysis
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max time kernel
167s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:49
Static task
static1
Behavioral task
behavioral1
Sample
0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe
Resource
win10v2004-en-20220112
General
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Target
0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe
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Size
200KB
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MD5
ab37f7e79c1d476ab7fcd7fb3ad9fcbc
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SHA1
9207f2fe978c6a8846b9378fc510b131f6ce3c30
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SHA256
0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0
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SHA512
9dd50820fe78655d74a91cc2ed723f9372628ff7436d9bdec02cee087e6c45b8ee9ed661926974c7000f7ffdda8e4f8553dbc240907f8e42079ec77bd3fc6bed
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/1532-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2572-133-0x0000000000400000-0x0000000000420000-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 2572 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.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\MonthlyUploadRestriction = "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\GroupConnectionCount = "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\CDNConnectionCount = "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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.454639" 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\Config\KVFileExpirationTime = "132893023751786370" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324" 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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMonthlyCdnBytes = "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\PriorityDownloadCount = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.162694" 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\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\DownloadMonthlyRateFrCnt = "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\SwarmCount = "1" 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\Settings 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\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\DownloadMonthlyInternetBytes = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\NormalDownloadPendingCount = "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 (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\InternetConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1532 0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe Token: SeBackupPrivilege 1480 TiWorker.exe Token: SeRestorePrivilege 1480 TiWorker.exe Token: SeSecurityPrivilege 1480 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.execmd.exedescription pid process target process PID 1532 wrote to memory of 2572 1532 0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe MediaCenter.exe PID 1532 wrote to memory of 2572 1532 0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe MediaCenter.exe PID 1532 wrote to memory of 2572 1532 0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe MediaCenter.exe PID 1532 wrote to memory of 2668 1532 0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe cmd.exe PID 1532 wrote to memory of 2668 1532 0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe cmd.exe PID 1532 wrote to memory of 2668 1532 0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe cmd.exe PID 2668 wrote to memory of 2028 2668 cmd.exe PING.EXE PID 2668 wrote to memory of 2028 2668 cmd.exe PING.EXE PID 2668 wrote to memory of 2028 2668 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe"C:\Users\Admin\AppData\Local\Temp\0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2572 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c958e5390139be50c4f3c6e0c21707674e7919ceaa3711a6943777e5a7819c0.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2028
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1424
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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:3980
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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:1480
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d95b71f580e5531ad1c282e673c715af
SHA1f33229f2fdd3680f8c313d5ebd7406be67141d48
SHA256263a851f991e4b88a7d2aa2214f816412920586f451115c6da26cf88be618907
SHA512f5f7c6bf3eee34f07bfd2a2d9fafd3a65cdd6a556d416e74745d69dd15cdb284fe65697f6dd38217b9f29481cd1805bc20d2fb1c8b070ce7d56d30e0203e56f2
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MD5
d95b71f580e5531ad1c282e673c715af
SHA1f33229f2fdd3680f8c313d5ebd7406be67141d48
SHA256263a851f991e4b88a7d2aa2214f816412920586f451115c6da26cf88be618907
SHA512f5f7c6bf3eee34f07bfd2a2d9fafd3a65cdd6a556d416e74745d69dd15cdb284fe65697f6dd38217b9f29481cd1805bc20d2fb1c8b070ce7d56d30e0203e56f2