Analysis
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max time kernel
169s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:54
Static task
static1
Behavioral task
behavioral1
Sample
0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe
Resource
win10v2004-en-20220112
General
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Target
0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe
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Size
216KB
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MD5
6c0aff0924fa1afcf8003f2df1bd24a8
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SHA1
063c09c65cc8e5729ca41f1d5060b705e93367d4
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SHA256
0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463
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SHA512
e025b52ae1ae972e062f77eddb61967a3139235cd1bfd5122b9d518ab4ecb8ef401f02973a0f79ae6afa27ea505b5456587ed0cf09023acb5729c6dd65868403
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/1804-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1244-133-0x0000000000400000-0x0000000000420000-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 1244 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.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 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\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\DownloadMonthlyRateBkCnt = "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\Config\KVFileExpirationTime = "132893027338378620" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.494023" 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\DownloadMode_BackCompat = "1" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.702749" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288" 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\PriorityDownloadCount = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112" 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\DownloadMonthlyLinkLocalBytes = "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 (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\DownlinkBps = "0" 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\UploadCount = "0" 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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\UplinkBps = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.923482" 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\Config\DODownloadMode = "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\CacheSizeBytes = "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\Usage\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateFrBps = "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\GroupConnectionCount = "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:
0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1804 0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe Token: SeBackupPrivilege 2948 TiWorker.exe Token: SeRestorePrivilege 2948 TiWorker.exe Token: SeSecurityPrivilege 2948 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.execmd.exedescription pid process target process PID 1804 wrote to memory of 1244 1804 0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe MediaCenter.exe PID 1804 wrote to memory of 1244 1804 0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe MediaCenter.exe PID 1804 wrote to memory of 1244 1804 0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe MediaCenter.exe PID 1804 wrote to memory of 2800 1804 0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe cmd.exe PID 1804 wrote to memory of 2800 1804 0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe cmd.exe PID 1804 wrote to memory of 2800 1804 0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe cmd.exe PID 2800 wrote to memory of 3052 2800 cmd.exe PING.EXE PID 2800 wrote to memory of 3052 2800 cmd.exe PING.EXE PID 2800 wrote to memory of 3052 2800 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe"C:\Users\Admin\AppData\Local\Temp\0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1244 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3052
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1136
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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:4064
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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:2948
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d30cbdc07d847504c2b6d494213ff9ec
SHA1edac2ce45d7399dc9b6ab63aa6b4d7a47f0d0bca
SHA2561e7902ba3c8e3233739ab425a8ba3d3ec7de1bfffe393501696112104b9a63cd
SHA512bab34e1115b8cd5d6fda5977e7968efd8f8f021d0160d5785b6f0492b5957a221e0dc9da6476c77b29a5a70e321fa1d8bc2b4857ff90f202f6dba56e76b2a24b
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MD5
d30cbdc07d847504c2b6d494213ff9ec
SHA1edac2ce45d7399dc9b6ab63aa6b4d7a47f0d0bca
SHA2561e7902ba3c8e3233739ab425a8ba3d3ec7de1bfffe393501696112104b9a63cd
SHA512bab34e1115b8cd5d6fda5977e7968efd8f8f021d0160d5785b6f0492b5957a221e0dc9da6476c77b29a5a70e321fa1d8bc2b4857ff90f202f6dba56e76b2a24b