Analysis
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max time kernel
168s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:30
Static task
static1
Behavioral task
behavioral1
Sample
06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe
Resource
win10v2004-en-20220112
General
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Target
06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe
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Size
176KB
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MD5
72370f5c346b8bd221d6af9d5d8d9eb5
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SHA1
c2b04e8f5136d1cfbc80afe5abbc4066e8697e0d
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SHA256
06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7
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SHA512
a3f9429fb9f297401f84ab5252e15dcbfc4e4d63445081d21893e0ba6999d817f662c3d69b9edfdaf3ee2fcc77cc57d0c8e824b434af73ff5ad65adc89b28143
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/2644-132-0x0000000000400000-0x0000000000420000-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 632 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.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\GroupConnectionCount = "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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\LANConnectionCount = "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\PriorityDownloadCount = "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\DownloadMonthlyLinkLocalBytes = "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\UploadCount = "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\MemoryUsageKB = "4120" 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\InternetConnectionCount = "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\DownloadMonthlyRateBkBps = "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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.807234" 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\DownloadMonthlyInternetBytes = "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\SwarmCount = "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\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\Usage\SwarmCount = "1" 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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.061858" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328" 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\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\Config\DownloadMode_BackCompat = "1" 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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893131356520732" 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\FrDownloadRatePct = "90" 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 = "4320" 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\DownloadMonthlyCacheHostBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2644 06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe Token: SeBackupPrivilege 408 TiWorker.exe Token: SeRestorePrivilege 408 TiWorker.exe Token: SeSecurityPrivilege 408 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.execmd.exedescription pid process target process PID 2644 wrote to memory of 632 2644 06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe MediaCenter.exe PID 2644 wrote to memory of 632 2644 06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe MediaCenter.exe PID 2644 wrote to memory of 632 2644 06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe MediaCenter.exe PID 2644 wrote to memory of 3392 2644 06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe cmd.exe PID 2644 wrote to memory of 3392 2644 06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe cmd.exe PID 2644 wrote to memory of 3392 2644 06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe cmd.exe PID 3392 wrote to memory of 3768 3392 cmd.exe PING.EXE PID 3392 wrote to memory of 3768 3392 cmd.exe PING.EXE PID 3392 wrote to memory of 3768 3392 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe"C:\Users\Admin\AppData\Local\Temp\06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:632 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06f01bfa7cfca92b64d533d0f9b46416c52169f5682cee019a99591aa2471cb7.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3392 -
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 01⤵
- Checks processor information in registry
PID:1004
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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:3824
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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:408
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
c25eb1c1609836979641f20b42f9bc7f
SHA1d2f332313c1536a0f775697b72fcd09001c30138
SHA2566de179630608f45d04e091291bd25bb22521f6907bb769e50315ff4c5ba7da82
SHA512b3d9ce9bea0e1677ff34416a13b3d4bb2b810a82c230ee1a74f1d43ab48706f5d250c300c6fe5909167e19ef1fbcad993139505fb7bf3d97a6331ef6cbe1b898
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
c25eb1c1609836979641f20b42f9bc7f
SHA1d2f332313c1536a0f775697b72fcd09001c30138
SHA2566de179630608f45d04e091291bd25bb22521f6907bb769e50315ff4c5ba7da82
SHA512b3d9ce9bea0e1677ff34416a13b3d4bb2b810a82c230ee1a74f1d43ab48706f5d250c300c6fe5909167e19ef1fbcad993139505fb7bf3d97a6331ef6cbe1b898
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memory/2644-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB