Analysis
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max time kernel
152s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:58
Static task
static1
Behavioral task
behavioral1
Sample
02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe
Resource
win10v2004-en-20220112
General
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Target
02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe
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Size
89KB
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MD5
a7b458591eb645b5d5d7abb84ebccbfb
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SHA1
a68a805de941e415819ec4e560d6e6e739c75164
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SHA256
02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493
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SHA512
3ee577dc7d0c87e45256558542953bdf249b6a0f8b4a31d5dd3f2bd4daa42cb1627d92cff9a899439a9fce12d139e842e8c7170950b91837a42beb1b36e909d5
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 2244 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.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\MonthID = "2" 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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.852041" 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\DownloadMonthlyCdnBytes = "0" 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\Config 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\DownloadMonthlyGroupBytes = "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\Config\KVFileExpirationTime = "132893186398998046" 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\DownlinkBps = "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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.027174" 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\MemoryUsageKB = "4300" 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\SwarmCount = "1" 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\MonthlyUploadRestriction = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\LinkLocalConnectionCount = "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\BkDownloadRatePct = "45" 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 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\NormalDownloadPendingCount = "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\UploadMonthlyLanBytes = "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\CDNConnectionCount = "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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4076" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1796 02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.execmd.exedescription pid process target process PID 1796 wrote to memory of 2244 1796 02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe MediaCenter.exe PID 1796 wrote to memory of 2244 1796 02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe MediaCenter.exe PID 1796 wrote to memory of 2244 1796 02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe MediaCenter.exe PID 1796 wrote to memory of 3916 1796 02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe cmd.exe PID 1796 wrote to memory of 3916 1796 02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe cmd.exe PID 1796 wrote to memory of 3916 1796 02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe cmd.exe PID 3916 wrote to memory of 636 3916 cmd.exe PING.EXE PID 3916 wrote to memory of 636 3916 cmd.exe PING.EXE PID 3916 wrote to memory of 636 3916 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe"C:\Users\Admin\AppData\Local\Temp\02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2244 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\02da7bb3f9c8b5b09362211267344b6016e74e4a18ef3a821455c78ebac5d493.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3916 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:636
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2168
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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:1968
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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:2624
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
d753bea958b7190f94f0d3f122c44148
SHA1c29209dbed00109a3773c742c32bf3818fd7dd49
SHA256fa2a7ba9552816b21350964d4928708bea7dab7f3d75a22a173a2c6a51b0fa73
SHA51226b03c6c062e1046d9c25ea018e1e6c572082d0a1d6d9dda30db5896f254bb3cb246814acc030136214892a705b143a128ac36c6165ad8a53e007cb7933ac6db
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
d753bea958b7190f94f0d3f122c44148
SHA1c29209dbed00109a3773c742c32bf3818fd7dd49
SHA256fa2a7ba9552816b21350964d4928708bea7dab7f3d75a22a173a2c6a51b0fa73
SHA51226b03c6c062e1046d9c25ea018e1e6c572082d0a1d6d9dda30db5896f254bb3cb246814acc030136214892a705b143a128ac36c6165ad8a53e007cb7933ac6db