Analysis
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max time kernel
174s -
max time network
188s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:59
Static task
static1
Behavioral task
behavioral1
Sample
0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe
Resource
win10v2004-en-20220112
General
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Target
0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe
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Size
99KB
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MD5
4b3c83649fd0cece7bf6c200e363b4d4
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SHA1
a89e3aa73f1a54b166bf6f9635adc73ac2192235
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SHA256
0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94
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SHA512
e159d09beafce0663015de20b79472b6251184c6ef9ff226f7bf13b1274db4e2b72c81e48b470ab7587e93a0f7dab30fb0bb07ec4e498457d50adef5c494ced6
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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3320 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 51 IoCs
Processes:
svchost.exedescription ioc process 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\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\Config\DODownloadMode = "1" 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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296" 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\UploadMonthlyInternetBytes = "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 (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\SwarmCount = "1" 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\FrDownloadRatePct = "90" 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\PeerInfoCount = "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\BkDownloadRatePct = "45" 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\Usage\CPUpct = "0.006603" 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 (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\Usage\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.091512" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3876" 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\DownloadMode_BackCompat = "1" 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\DownloadMonthlyRateBkCnt = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.688143" 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\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\Config\KVFileExpirationTime = "132893029593494244" 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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\DownloadMonthlyLanBytes = "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\LANConnectionCount = "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\MemoryUsageKB = "4080" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exedescription pid process Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeIncBasePriorityPrivilege 2736 0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe Token: SeBackupPrivilege 3260 TiWorker.exe Token: SeRestorePrivilege 3260 TiWorker.exe Token: SeSecurityPrivilege 3260 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.execmd.exedescription pid process target process PID 2736 wrote to memory of 3320 2736 0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe MediaCenter.exe PID 2736 wrote to memory of 3320 2736 0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe MediaCenter.exe PID 2736 wrote to memory of 3320 2736 0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe MediaCenter.exe PID 2736 wrote to memory of 2660 2736 0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe cmd.exe PID 2736 wrote to memory of 2660 2736 0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe cmd.exe PID 2736 wrote to memory of 2660 2736 0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe cmd.exe PID 2660 wrote to memory of 2224 2660 cmd.exe PING.EXE PID 2660 wrote to memory of 2224 2660 cmd.exe PING.EXE PID 2660 wrote to memory of 2224 2660 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe"C:\Users\Admin\AppData\Local\Temp\0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3320 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c03fbac3fb8d2cf7d4cb471a2dce8cbce7a1a6574d563b46c9975c18ce89b94.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2224
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3048
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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:1716
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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:3260
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
74255385af6f3354a0ea84c67e3c229f
SHA13e6599dfddc310ae2579d5d5dd8d63929a048b1c
SHA256e179c51aaaf66ac4ce2b27eb9cae2bfe9de66ad4e8646de1f71cc1b9a8b74aac
SHA512970ce8a21b50f580440b1adc54a6ee8ef3e52b0885bf1c945eef1d19989ee934156263bed81f530f5012fcc2d67a173c0bcbf702b967f314abe2060a3f353cc9
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MD5
74255385af6f3354a0ea84c67e3c229f
SHA13e6599dfddc310ae2579d5d5dd8d63929a048b1c
SHA256e179c51aaaf66ac4ce2b27eb9cae2bfe9de66ad4e8646de1f71cc1b9a8b74aac
SHA512970ce8a21b50f580440b1adc54a6ee8ef3e52b0885bf1c945eef1d19989ee934156263bed81f530f5012fcc2d67a173c0bcbf702b967f314abe2060a3f353cc9