Analysis
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max time kernel
172s -
max time network
188s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:05
Static task
static1
Behavioral task
behavioral1
Sample
0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe
Resource
win10v2004-en-20220112
General
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Target
0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe
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Size
120KB
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MD5
415dc9abdc5da99f2babb7650efa9ed6
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SHA1
74719963f147beebde816ae0973d87c7ba7f9c57
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SHA256
0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b
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SHA512
c3872afb8581c32387a1231a971c2d209f402de30c36d67c05deeb0f12ba47247f34f78fe68925725081f88626074140a0fd23b2bdbd60c4f6c4b203240157cc
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/1520-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3512 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe 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 -
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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893186147382149" 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\GroupConnectionCount = "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\NormalDownloadCount = "0" 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\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 (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\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\UplinkUsageBps = "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\MemoryUsageKB = "4264" 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\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\UplinkBps = "0" 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\DownloadMonthlyRateFrBps = "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\Usage\DownlinkBps = "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\DownloadMonthlyCacheHostBytes = "0" 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\SwarmCount = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.228507" 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\LinkLocalConnectionCount = "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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.148699" 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\MemoryUsageKB = "4280" 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\DownloadMonthlyRateBkCnt = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4012" 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\DownloadMonthlyInternetBytes = "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\DownlinkUsageBps = "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\NormalDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1520 0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.execmd.exedescription pid process target process PID 1520 wrote to memory of 3512 1520 0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe MediaCenter.exe PID 1520 wrote to memory of 3512 1520 0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe MediaCenter.exe PID 1520 wrote to memory of 3512 1520 0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe MediaCenter.exe PID 1520 wrote to memory of 696 1520 0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe cmd.exe PID 1520 wrote to memory of 696 1520 0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe cmd.exe PID 1520 wrote to memory of 696 1520 0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe cmd.exe PID 696 wrote to memory of 1812 696 cmd.exe PING.EXE PID 696 wrote to memory of 1812 696 cmd.exe PING.EXE PID 696 wrote to memory of 1812 696 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe"C:\Users\Admin\AppData\Local\Temp\0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3512 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0283be7d16a9605bb176ffa3ca09f84f80cd6bb725acb01177b5f0ae0fe6d98b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:696 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1812
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3640
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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:3488
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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:1720
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
23483eb354c76ae9fddba402d48cd09a
SHA14d0f2eedb4f240b86b4b41ff5230111df89b9527
SHA25612bc74d90a92b0dddf0c909b77b3ae84c32c19ab270e3508f5a5fdb41d64e847
SHA512edf7f944e8186dc029e37b6526685514c7b494a39283b4bded98e952d238746c4f903d5eda42b91c4e4ed45aca31b611dc6f2fdc5ddcc5c9cba7e87914f2c4f9
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
23483eb354c76ae9fddba402d48cd09a
SHA14d0f2eedb4f240b86b4b41ff5230111df89b9527
SHA25612bc74d90a92b0dddf0c909b77b3ae84c32c19ab270e3508f5a5fdb41d64e847
SHA512edf7f944e8186dc029e37b6526685514c7b494a39283b4bded98e952d238746c4f903d5eda42b91c4e4ed45aca31b611dc6f2fdc5ddcc5c9cba7e87914f2c4f9
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memory/1520-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB