Analysis
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max time kernel
169s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:46
Static task
static1
Behavioral task
behavioral1
Sample
148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe
Resource
win10v2004-en-20220112
General
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Target
148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe
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Size
99KB
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MD5
d7763de0e4870aa1374f4ae21216f0ad
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SHA1
c27bd5092f81863588b240d5be9ea768c18d8b27
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SHA256
148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a
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SHA512
99cb587db7edbf28b0ab2a641df64961e84cdf8310a4f2ce0a5184af9c1d54942d252344671be55ef4f6ca86b72e6d8d66e5e967e8457fd83870b7c3954ec539
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 3052 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.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 54 IoCs
Processes:
svchost.exedescription ioc process 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 (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\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\BkDownloadRatePct = "45" 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\Config\KVFileExpirationTime = "132892912669765087" 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\UplinkBps = "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\DownloadMonthlyCdnBytes = "90228624" 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 (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\UploadMonthlyLanBytes = "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 = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4192" 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\LANConnectionCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166659" 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\UploadMonthlyInternetBytes = "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\SwarmCount = "1" 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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" 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\LinkLocalConnectionCount = "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 = "0.049677" 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 (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 = "4188" 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\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\CacheSizeBytes = "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\DownloadMonthlyRateBkCnt = "4" 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\UploadRatePct = "100" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 388 148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.execmd.exedescription pid process target process PID 388 wrote to memory of 3052 388 148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe MediaCenter.exe PID 388 wrote to memory of 3052 388 148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe MediaCenter.exe PID 388 wrote to memory of 3052 388 148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe MediaCenter.exe PID 388 wrote to memory of 2428 388 148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe cmd.exe PID 388 wrote to memory of 2428 388 148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe cmd.exe PID 388 wrote to memory of 2428 388 148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe cmd.exe PID 2428 wrote to memory of 3436 2428 cmd.exe PING.EXE PID 2428 wrote to memory of 3436 2428 cmd.exe PING.EXE PID 2428 wrote to memory of 3436 2428 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe"C:\Users\Admin\AppData\Local\Temp\148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:388 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3052 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\148c5daeb5565d0b9aca8d53706b78a027242dab0b3f3ef35fb533f65fddc28a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3436
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2176
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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:3000
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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:3508
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
8a1625df131f6a045c3b7a6c3f6909f6
SHA189914e16aa71c65f352f1dcd01aae2c198d17ca7
SHA2566d722fbd6f8e1255ee3ec74bc6e49a67b333208e4e3dcaa3bc3a308c60164ced
SHA51257cf6f5a800c363d1111b2f8c4986c091b2e1018fd50edb6d08b01c29450eb643cb4ed37d625157f18bb11b3058b0b6704137ab2ab867eda7794f0eb9efa88e4
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MD5
8a1625df131f6a045c3b7a6c3f6909f6
SHA189914e16aa71c65f352f1dcd01aae2c198d17ca7
SHA2566d722fbd6f8e1255ee3ec74bc6e49a67b333208e4e3dcaa3bc3a308c60164ced
SHA51257cf6f5a800c363d1111b2f8c4986c091b2e1018fd50edb6d08b01c29450eb643cb4ed37d625157f18bb11b3058b0b6704137ab2ab867eda7794f0eb9efa88e4