Analysis
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max time kernel
167s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 02:52
Static task
static1
Behavioral task
behavioral1
Sample
193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe
Resource
win10v2004-en-20220112
General
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Target
193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe
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Size
89KB
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MD5
594697f1a0a5ab9c5e5865ad09dbccfc
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SHA1
b82f7611c2dd5538e635a86885e0c86e996e9c62
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SHA256
193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d
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SHA512
c48a10fb1fdd2e170a2d083dd19ec8ae7e435a144ad13ff84f2fa0d5b2e2510bee92ee3997eadb50a6e239f1e0be0a24d75688386427bde4fe8c3d956f78e2a0
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 3196 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.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 53 IoCs
Processes:
svchost.exedescription ioc process 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\CDNConnectionCount = "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\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\DownloadMonthlyCdnBytes = "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\BkDownloadRatePct = "45" 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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.250038" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\MemoryUsageKB = "4076" 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 = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276" 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.017421" 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 Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892844553434964" 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\PriorityDownloadCount = "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\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 (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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" 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\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyCdnBytes = "90228624" 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\DownlinkBps = "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\PeerInfoCount = "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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "1" 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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1892 193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.execmd.exedescription pid process target process PID 1892 wrote to memory of 3196 1892 193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe MediaCenter.exe PID 1892 wrote to memory of 3196 1892 193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe MediaCenter.exe PID 1892 wrote to memory of 3196 1892 193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe MediaCenter.exe PID 1892 wrote to memory of 760 1892 193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe cmd.exe PID 1892 wrote to memory of 760 1892 193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe cmd.exe PID 1892 wrote to memory of 760 1892 193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe cmd.exe PID 760 wrote to memory of 3868 760 cmd.exe PING.EXE PID 760 wrote to memory of 3868 760 cmd.exe PING.EXE PID 760 wrote to memory of 3868 760 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe"C:\Users\Admin\AppData\Local\Temp\193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3196 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\193ae2125d287db92078fd9b512aae68fe3e6e4ae7d9a06c2efed1a2c51c6b9d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3868
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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:3424
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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:3256
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
6e1ed7d79cf72196bdc8faa6fc81057c
SHA175f0ec0b2a3a8f759043783b67a2448fba257bbf
SHA256c138faed557310798695f2dab79bda56bebfe9b0d904d52cea81053133143165
SHA512e8a82f38da6578eb7f8c8b426c6fd4790fda4bd9c148b0123bd3e1e9bf816fe6583bbc5d1709ac17daecca381bfa1e0aa0083d8959673b27f6acee0b5032c90a
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MD5
6e1ed7d79cf72196bdc8faa6fc81057c
SHA175f0ec0b2a3a8f759043783b67a2448fba257bbf
SHA256c138faed557310798695f2dab79bda56bebfe9b0d904d52cea81053133143165
SHA512e8a82f38da6578eb7f8c8b426c6fd4790fda4bd9c148b0123bd3e1e9bf816fe6583bbc5d1709ac17daecca381bfa1e0aa0083d8959673b27f6acee0b5032c90a