Analysis
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max time kernel
177s -
max time network
182s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:24
Static task
static1
Behavioral task
behavioral1
Sample
101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe
Resource
win10v2004-en-20220112
General
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Target
101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe
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Size
150KB
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MD5
1781e2c8a95f48813104dd3660d9f0b6
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SHA1
f56a7d4a3c85bcaae2264c4eb3d76d8197d06ac9
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SHA256
101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5
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SHA512
547e25ffc4c84d9003f140eca436b5a25c9faaa33eb8668ba246d2f611c57b180e8f0b0f077a4c636d894fb857730c3fe13800831c41b78095abf2d6a84b4814
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 -
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 1864 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.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 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\GroupConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "13.636499" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\InternetConnectionCount = "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\NormalDownloadCount = "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\DownloadMonthlyCdnBytes = "90228624" 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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyRateBkCnt = "4" 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\Config\DODownloadMode = "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\UplinkBps = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892972073438910" 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\SwarmCount = "1" 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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.999825" 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\UploadRatePct = "100" 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\DownloadMonthlyRateBkBps = "1157726" 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\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\DownloadMonthlyRateFrBps = "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\MonthID = "2" 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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateFrCnt = "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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4300" 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\PeerInfoCount = "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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2056 101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe Token: SeBackupPrivilege 2888 TiWorker.exe Token: SeRestorePrivilege 2888 TiWorker.exe Token: SeSecurityPrivilege 2888 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.execmd.exedescription pid process target process PID 2056 wrote to memory of 1864 2056 101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe MediaCenter.exe PID 2056 wrote to memory of 1864 2056 101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe MediaCenter.exe PID 2056 wrote to memory of 1864 2056 101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe MediaCenter.exe PID 2056 wrote to memory of 2544 2056 101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe cmd.exe PID 2056 wrote to memory of 2544 2056 101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe cmd.exe PID 2056 wrote to memory of 2544 2056 101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe cmd.exe PID 2544 wrote to memory of 2516 2544 cmd.exe PING.EXE PID 2544 wrote to memory of 2516 2544 cmd.exe PING.EXE PID 2544 wrote to memory of 2516 2544 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe"C:\Users\Admin\AppData\Local\Temp\101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1864 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\101a60d31b6d4e4c2444fa649ae3f45198d548d34c816a666b00eb060961a6e5.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2516
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1932
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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:760
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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:2888
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c6830908323fedda77d06d42575d4393
SHA19f28b2451f65e37b19337d0056e242eae4634c1c
SHA2565388e170668b9475b00c382f1f9d21108245fd078a3e4cc574d097505573dadb
SHA5120b79ca480307c262559b8a5cc5133ee87684d71cf13b2776b1ec649292c710ac4f34b073831d9e4201d7a566faf59f8aad2af029ff28e1b90b6a32ddf33969c6
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MD5
c6830908323fedda77d06d42575d4393
SHA19f28b2451f65e37b19337d0056e242eae4634c1c
SHA2565388e170668b9475b00c382f1f9d21108245fd078a3e4cc574d097505573dadb
SHA5120b79ca480307c262559b8a5cc5133ee87684d71cf13b2776b1ec649292c710ac4f34b073831d9e4201d7a566faf59f8aad2af029ff28e1b90b6a32ddf33969c6