Analysis
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max time kernel
146s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:28
Static task
static1
Behavioral task
behavioral1
Sample
0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe
Resource
win10v2004-en-20220112
General
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Target
0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe
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Size
216KB
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MD5
7f2866891a309521bab87f1fb3a92fc5
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SHA1
e9135bfdf1915cd8488a4306c421f38550e8caea
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SHA256
0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507
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SHA512
7dbc243a1cdef6c8191b5e24ddd789ad1995124ea9906cf2c49b971dc4a65713dd21efaf1d47f4bda3d0ea465e08540b859f92d381be9de725f6d861430915d9
Malware Config
Signatures
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Sakula Payload 3 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/1788-132-0x0000000000400000-0x0000000000420000-memory.dmp 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 1964 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.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 49 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyLinkLocalBytes = "0" 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\DownlinkBps = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.845368" 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\DownloadMonthlyGroupBytes = "0" 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\Config\KVFileExpirationTime = "132892974846405672" 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\UplinkBps = "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\NormalDownloadPendingCount = "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\DODownloadMode = "1" 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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.023213" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284" 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 = "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\DownlinkUsageBps = "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\Usage\UploadCount = "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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\CDNConnectionCount = "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\InternetConnectionCount = "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\Settings 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\DownloadMonthlyRateFrBps = "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\PeerInfoCount = "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\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.145300" 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\UploadMonthlyLanBytes = "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\NormalDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1788 0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe Token: SeBackupPrivilege 1516 TiWorker.exe Token: SeRestorePrivilege 1516 TiWorker.exe Token: SeSecurityPrivilege 1516 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.execmd.exedescription pid process target process PID 1788 wrote to memory of 1964 1788 0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe MediaCenter.exe PID 1788 wrote to memory of 1964 1788 0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe MediaCenter.exe PID 1788 wrote to memory of 1964 1788 0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe MediaCenter.exe PID 1788 wrote to memory of 3928 1788 0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe cmd.exe PID 1788 wrote to memory of 3928 1788 0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe cmd.exe PID 1788 wrote to memory of 3928 1788 0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe cmd.exe PID 3928 wrote to memory of 3768 3928 cmd.exe PING.EXE PID 3928 wrote to memory of 3768 3928 cmd.exe PING.EXE PID 3928 wrote to memory of 3768 3928 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe"C:\Users\Admin\AppData\Local\Temp\0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1964 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fe5e04aabc5b555f5817b70c3a5d3e165d6b2b19111deeb2eb3bd07f5d83507.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3768
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4008
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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:3656
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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:1516
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d47570cb540123d7fb739b83a9eb217b
SHA13d16e7d30025c8fd67aa42052b719e522cfad877
SHA2563c7b4a16a4a0fe573e6fd48f0fcc599c75851d5c224975ff28589a64d231ca12
SHA5127558336906f275cd4cb60aac19a798b641780dde1054eec49cc21c0109febdd8ed1a46b6792d1fadee21441d3c2cab61e22064ae18fea3d5a628550d452c518b
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MD5
d47570cb540123d7fb739b83a9eb217b
SHA13d16e7d30025c8fd67aa42052b719e522cfad877
SHA2563c7b4a16a4a0fe573e6fd48f0fcc599c75851d5c224975ff28589a64d231ca12
SHA5127558336906f275cd4cb60aac19a798b641780dde1054eec49cc21c0109febdd8ed1a46b6792d1fadee21441d3c2cab61e22064ae18fea3d5a628550d452c518b