Analysis
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max time kernel
178s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:08
Static task
static1
Behavioral task
behavioral1
Sample
10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe
Resource
win10v2004-en-20220112
General
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Target
10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe
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Size
150KB
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MD5
42e548bdfe2261d0afd7ddbad9f24ccb
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SHA1
eab40e3b7ea2c84ca0760dd7aed4b2df568e42ac
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SHA256
10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772
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SHA512
3cfbde40ebe300a2f78efcb781bc99c47111499296a119ae239a66ab992ccb85c6f9fb4b5e6668a24e494268621a237b9f14cffe67f358ee81ededec774ea613
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 3412 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.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\DownloadMonthlyLanBytes = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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 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\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.144072" 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\FrDownloadRatePct = "90" 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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332" 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 svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108" 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\PeerInfoCount = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.238740" 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\SwarmCount = "1" 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\DownloadMonthlyCacheHostBytes = "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\UplinkBps = "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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.487113" 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\InternetConnectionCount = "0" 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\DownloadMonthlyRateFrBps = "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\UplinkUsageBps = "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\LANConnectionCount = "0" 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\DownlinkBps = "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\MonthID = "2" 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\DownloadMonthlyRateFrCnt = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892962950322051" 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\CDNConnectionCount = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3744 10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe Token: SeBackupPrivilege 1304 TiWorker.exe Token: SeRestorePrivilege 1304 TiWorker.exe Token: SeSecurityPrivilege 1304 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.execmd.exedescription pid process target process PID 3744 wrote to memory of 3412 3744 10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe MediaCenter.exe PID 3744 wrote to memory of 3412 3744 10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe MediaCenter.exe PID 3744 wrote to memory of 3412 3744 10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe MediaCenter.exe PID 3744 wrote to memory of 3408 3744 10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe cmd.exe PID 3744 wrote to memory of 3408 3744 10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe cmd.exe PID 3744 wrote to memory of 3408 3744 10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe cmd.exe PID 3408 wrote to memory of 3040 3408 cmd.exe PING.EXE PID 3408 wrote to memory of 3040 3408 cmd.exe PING.EXE PID 3408 wrote to memory of 3040 3408 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe"C:\Users\Admin\AppData\Local\Temp\10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3744 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3412 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10bb67775da653b356b0211e7782f3d69681dddf32b15d94dd4e2c3ca3f72772.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3040
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3960
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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:3452
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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:1304
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
881de153d829fe58396f2f54a479cf53
SHA1f27cf6e9c1cf286d00616077948f7388cf7950de
SHA25615f6a1c96e642b48e7232b256b7075c35e15e18756b05fc0ae931b653bc370a1
SHA512e1ff03bc87cd89855b538c8b3800822203eda8d7b854917330969b5b9d5e96be3283251e3bf58c875b10c0c30bdcaf6b6b46ce4f190e6870717d70a3a6867021
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MD5
881de153d829fe58396f2f54a479cf53
SHA1f27cf6e9c1cf286d00616077948f7388cf7950de
SHA25615f6a1c96e642b48e7232b256b7075c35e15e18756b05fc0ae931b653bc370a1
SHA512e1ff03bc87cd89855b538c8b3800822203eda8d7b854917330969b5b9d5e96be3283251e3bf58c875b10c0c30bdcaf6b6b46ce4f190e6870717d70a3a6867021