Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:32
Static task
static1
Behavioral task
behavioral1
Sample
153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe
Resource
win10v2004-en-20220112
General
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Target
153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe
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Size
216KB
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MD5
a7a0846bcc931c530f8467d46ee26c97
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SHA1
66c03a0edb1fbb446c600b01ebfc6669ae8d7a01
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SHA256
153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe
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SHA512
6eb53bac4e8c936f0b5548ef5c08739a6d4f4bf83bd5662e6b6d87cdf0f7226d4ee01d993d901487875d95d2ce0570c781845520bf94a3867b195cb4336f6ce1
Malware Config
Signatures
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Sakula Payload 4 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 behavioral2/memory/1364-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/4060-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4060 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.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 56 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyRateBkBps = "1157726" 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\PeerInfoCount = "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 = "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\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 = "0.000000" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.012867" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.039809" 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\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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.667217" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4360" 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\LinkLocalConnectionCount = "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\UplinkUsageBps = "0" 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\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\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\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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104" 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\DownloadMonthlyGroupBytes = "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 svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892903659752037" 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 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\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\LANConnectionCount = "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\MemoryUsageKB = "4368" 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4140" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.execmd.exedescription pid process target process PID 1364 wrote to memory of 4060 1364 153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe MediaCenter.exe PID 1364 wrote to memory of 4060 1364 153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe MediaCenter.exe PID 1364 wrote to memory of 4060 1364 153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe MediaCenter.exe PID 1364 wrote to memory of 2700 1364 153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe cmd.exe PID 1364 wrote to memory of 2700 1364 153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe cmd.exe PID 1364 wrote to memory of 2700 1364 153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe cmd.exe PID 2700 wrote to memory of 1708 2700 cmd.exe PING.EXE PID 2700 wrote to memory of 1708 2700 cmd.exe PING.EXE PID 2700 wrote to memory of 1708 2700 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe"C:\Users\Admin\AppData\Local\Temp\153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4060 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\153b52dbfd728c09df9c483178b1549e6bc0b202505acc42d8fdacbe74be4dfe.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1708
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2340
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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:2452
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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:3648
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
0790781fd034f7de04cf36f78d402153
SHA1d7ef3daea62a89ca7e4cc66855e886f25335ac3e
SHA256cc4a879288b5e5b517247a02b43f3ce9a536c4b058f716b1cf8e99de8b7a249c
SHA512fecb6cce9ebf2c5caf4590247226e67fe48bb36fdbbcc19a30196fcf5f13ede9e810c3c615bbc29fdf1d11cd8b6e92eef632ba4e84a68d6f008e92ab9933512e
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MD5
0790781fd034f7de04cf36f78d402153
SHA1d7ef3daea62a89ca7e4cc66855e886f25335ac3e
SHA256cc4a879288b5e5b517247a02b43f3ce9a536c4b058f716b1cf8e99de8b7a249c
SHA512fecb6cce9ebf2c5caf4590247226e67fe48bb36fdbbcc19a30196fcf5f13ede9e810c3c615bbc29fdf1d11cd8b6e92eef632ba4e84a68d6f008e92ab9933512e