Analysis
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max time kernel
152s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:23
Static task
static1
Behavioral task
behavioral1
Sample
0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe
Resource
win10v2004-en-20220112
General
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Target
0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe
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Size
192KB
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MD5
af2bc65ce82c399ce5217e9a4b919f03
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SHA1
b9b34bad41c293df1fe2bf2371d822cd6dba5adc
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SHA256
0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09
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SHA512
04be93536f78bc59b8b5d6443b12c8753ae369380ddf223e0ea88fba5802e2a3cffe21875c4176749f1b762e652e070ea6a623a7084fc2bbe213e51fc51a051a
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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4036 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.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 50 IoCs
Processes:
svchost.exedescription ioc process 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 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\UploadMonthlyInternetBytes = "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\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\InternetConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.999845" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4384" 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\KVFileExpirationTime = "132893125924309227" 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 (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\SwarmCount = "0" 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\UploadMonthlyLanBytes = "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\PeerInfoCount = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.668368" 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\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\DownloadMonthlyRateBkBps = "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\CacheSizeBytes = "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\GroupConnectionCount = "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\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 = "4160" 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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\DownlinkBps = "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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3980" 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\DownloadMonthlyRateFrBps = "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\NormalDownloadPendingCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exedescription pid process Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeIncBasePriorityPrivilege 1552 0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe Token: SeBackupPrivilege 3088 TiWorker.exe Token: SeRestorePrivilege 3088 TiWorker.exe Token: SeSecurityPrivilege 3088 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.execmd.exedescription pid process target process PID 1552 wrote to memory of 4036 1552 0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe MediaCenter.exe PID 1552 wrote to memory of 4036 1552 0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe MediaCenter.exe PID 1552 wrote to memory of 4036 1552 0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe MediaCenter.exe PID 1552 wrote to memory of 3676 1552 0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe cmd.exe PID 1552 wrote to memory of 3676 1552 0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe cmd.exe PID 1552 wrote to memory of 3676 1552 0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe cmd.exe PID 3676 wrote to memory of 1744 3676 cmd.exe PING.EXE PID 3676 wrote to memory of 1744 3676 cmd.exe PING.EXE PID 3676 wrote to memory of 1744 3676 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe"C:\Users\Admin\AppData\Local\Temp\0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4036 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0765c14e7ebed003763f7d165ae8ee0ead3eb4b27d65a3aa12d4653eb651ed09.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3676 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1744
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3292
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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:3068
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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:3088
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
55a7f4667e53a9a44a53a782141041d6
SHA17ababd63feabe9d2ec03c00436a1f02b248c86a9
SHA25652b8f543a24b3d98e783a39acf522e20f0b3806b1e3a371e3b5ec99fec82c0c3
SHA512b51c95209ac9c622e6fa55437ad2239111aa1588f9d0f0f3f97cf331f5f07bb7f5f93fac27f6824cf9c8dc00ea8024033e6993225dd8187248a31478b69d23e5
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
55a7f4667e53a9a44a53a782141041d6
SHA17ababd63feabe9d2ec03c00436a1f02b248c86a9
SHA25652b8f543a24b3d98e783a39acf522e20f0b3806b1e3a371e3b5ec99fec82c0c3
SHA512b51c95209ac9c622e6fa55437ad2239111aa1588f9d0f0f3f97cf331f5f07bb7f5f93fac27f6824cf9c8dc00ea8024033e6993225dd8187248a31478b69d23e5