Analysis
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max time kernel
163s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:15
Static task
static1
Behavioral task
behavioral1
Sample
0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe
Resource
win10v2004-en-20220112
General
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Target
0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe
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Size
99KB
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MD5
d20d2421f2e32c2d6f3d5ca073987dc0
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SHA1
bfb31fdf9f5ec43714880b0992e1f498a06934be
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SHA256
0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc
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SHA512
4919c0ca0e0067628347e530edb9ed6a7d9d79b9e10ebc381f42de9d5b248f688b7b462c09698698e337d7791b6c82db7246de26aaf9a7870dcc677580461879
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 3852 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exeMusNotifyIcon.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 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 49 IoCs
Processes:
svchost.exedescription ioc process 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 (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 = "4212" 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\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 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.053220" 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\MonthID = "2" 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\MemoryUsageKB = "4072" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\SwarmCount = "1" 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\GroupConnectionCount = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\Settings 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\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 (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\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\UplinkBps = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893002783926326" 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 = "3.571524" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\DownloadMonthlyLinkLocalBytes = "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\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\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 (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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3820 0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.execmd.exedescription pid process target process PID 3820 wrote to memory of 3852 3820 0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe MediaCenter.exe PID 3820 wrote to memory of 3852 3820 0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe MediaCenter.exe PID 3820 wrote to memory of 3852 3820 0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe MediaCenter.exe PID 3820 wrote to memory of 1740 3820 0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe cmd.exe PID 3820 wrote to memory of 1740 3820 0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe cmd.exe PID 3820 wrote to memory of 1740 3820 0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe cmd.exe PID 1740 wrote to memory of 1908 1740 cmd.exe PING.EXE PID 1740 wrote to memory of 1908 1740 cmd.exe PING.EXE PID 1740 wrote to memory of 1908 1740 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe"C:\Users\Admin\AppData\Local\Temp\0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3820 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3852 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1908
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2708
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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:2592
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3084
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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:2188
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d7456ae7d1cd4f75b1d394097ce016aa
SHA192a9581cd5d221f6affa9dc02dcaf8362f8f489f
SHA256d5642fb4a07658b9f5e1e07aa0f849a08a588f0d03f439f983b05fa0457840e8
SHA512d4601ba1034e41eb3783f92a8b9acad1f93b7ad00070ad82890170e5c3f71598a0718eb282dc90bc0ea08e3ce36204c9161aad040c3d5d4504c6ff10ce536910
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MD5
d7456ae7d1cd4f75b1d394097ce016aa
SHA192a9581cd5d221f6affa9dc02dcaf8362f8f489f
SHA256d5642fb4a07658b9f5e1e07aa0f849a08a588f0d03f439f983b05fa0457840e8
SHA512d4601ba1034e41eb3783f92a8b9acad1f93b7ad00070ad82890170e5c3f71598a0718eb282dc90bc0ea08e3ce36204c9161aad040c3d5d4504c6ff10ce536910