Analysis
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max time kernel
160s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:32
Static task
static1
Behavioral task
behavioral1
Sample
126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe
Resource
win10v2004-en-20220112
General
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Target
126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe
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Size
35KB
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MD5
a945a7f18bfe9dc4ac24793d204fba36
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SHA1
ae81172090d6ea5f824c137547125cf054cf549e
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SHA256
126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c
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SHA512
723d3505b385a0ae5d74b50a25f4e74343fe0f1bfbd169c49a4dc56ae923d06d6abb8274d06433bc0336f182ce46551017e56c5c0125b74bf9d9ea5561371d72
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 540 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.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 55 IoCs
Processes:
svchost.exedescription ioc process 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\LinkLocalConnectionCount = "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\MemoryUsageKB = "3928" 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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\Usage\SwarmCount = "1" 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\NormalDownloadPendingCount = "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\CDNConnectionCount = "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\DownloadMonthlyCacheHostBytes = "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\Usage\CPUpct = "0.000000" 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\MonthID = "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\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.477548" 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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4028" 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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4260" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013129" 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\UploadMonthlyLanBytes = "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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892939733693023" 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\DownloadMonthlyRateBkCnt = "4" 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\UploadRatePct = "100" 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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" 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\PriorityDownloadPendingCount = "0" 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 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\InternetConnectionCount = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160" 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\UplinkBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exedescription pid process Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeIncBasePriorityPrivilege 2136 126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe Token: SeBackupPrivilege 876 TiWorker.exe Token: SeRestorePrivilege 876 TiWorker.exe Token: SeSecurityPrivilege 876 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.execmd.exedescription pid process target process PID 2136 wrote to memory of 540 2136 126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe MediaCenter.exe PID 2136 wrote to memory of 540 2136 126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe MediaCenter.exe PID 2136 wrote to memory of 540 2136 126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe MediaCenter.exe PID 2136 wrote to memory of 1520 2136 126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe cmd.exe PID 2136 wrote to memory of 1520 2136 126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe cmd.exe PID 2136 wrote to memory of 1520 2136 126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe cmd.exe PID 1520 wrote to memory of 3896 1520 cmd.exe PING.EXE PID 1520 wrote to memory of 3896 1520 cmd.exe PING.EXE PID 1520 wrote to memory of 3896 1520 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe"C:\Users\Admin\AppData\Local\Temp\126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:540 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\126b6dade7cc36fe7950401114ef4918e3ff5a53c01e17d78473b957b6d8bb8c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3896
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2184
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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:1612
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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:876
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
efc833925f7a0f4ccff5ceb3f5b5ff5f
SHA118624dd48fed484027d940bf98c328209bce515c
SHA256ed295d0f5cffb4b68c45a6d10e9cb101e7f23d19356b00c6e1d3a1134f4e5798
SHA5129acf26ccb91756bc56f4e8cc4067c1af6b201e2c9d63c19bbc9c94613390b9101d9933037de80db4659d93e23de173b2b16ceac0f064a368641d5674fbc17c48
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MD5
efc833925f7a0f4ccff5ceb3f5b5ff5f
SHA118624dd48fed484027d940bf98c328209bce515c
SHA256ed295d0f5cffb4b68c45a6d10e9cb101e7f23d19356b00c6e1d3a1134f4e5798
SHA5129acf26ccb91756bc56f4e8cc4067c1af6b201e2c9d63c19bbc9c94613390b9101d9933037de80db4659d93e23de173b2b16ceac0f064a368641d5674fbc17c48