Analysis
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max time kernel
149s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:20
Static task
static1
Behavioral task
behavioral1
Sample
0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe
Resource
win10v2004-en-20220112
General
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Target
0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe
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Size
216KB
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MD5
7f0eefea9b5a52b33f9ef490f599a1fe
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SHA1
4346091f85766bce7167d87312e05f2073a15bff
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SHA256
0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87
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SHA512
2258572f2bdcd9cfb5c8e9943f5f1d00a59d43aea39db2f6cb95887dd741f79b0660cf332fec82375bdc28e7d575711ff0cd756228c76adf032fcc5884b6efd7
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/4076-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1628-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1628 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe 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 -
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 (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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.183689" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332" 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\Config\KVFileExpirationTime = "132893076990540892" 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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.380919" 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\DownloadMonthlyGroupBytes = "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\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\DownlinkUsageBps = "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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "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\NormalDownloadPendingCount = "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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\SwarmCount = "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\Config\DownloadMode_BackCompat = "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\NormalDownloadCount = "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\Usage 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\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\MonthlyUploadRestriction = "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\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\UplinkBps = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116" 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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 4076 0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe Token: SeBackupPrivilege 3240 TiWorker.exe Token: SeRestorePrivilege 3240 TiWorker.exe Token: SeSecurityPrivilege 3240 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.execmd.exedescription pid process target process PID 4076 wrote to memory of 1628 4076 0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe MediaCenter.exe PID 4076 wrote to memory of 1628 4076 0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe MediaCenter.exe PID 4076 wrote to memory of 1628 4076 0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe MediaCenter.exe PID 4076 wrote to memory of 4060 4076 0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe cmd.exe PID 4076 wrote to memory of 4060 4076 0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe cmd.exe PID 4076 wrote to memory of 4060 4076 0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe cmd.exe PID 4060 wrote to memory of 1936 4060 cmd.exe PING.EXE PID 4060 wrote to memory of 1936 4060 cmd.exe PING.EXE PID 4060 wrote to memory of 1936 4060 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe"C:\Users\Admin\AppData\Local\Temp\0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1628 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a6069cf22def0c2529a66e0477467f24e083bc990bc3b24225fc957e30f2b87.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1936
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:320
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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:2280
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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:3240
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
85c93d9629c39bbed10acea29a4b53ab
SHA18d62d3541e3217b5e8366a6468624b0053b1f417
SHA2565ead31e19a4908c1fa0ffe70e62197fe8ef5e3162029406318ce935254c0e36f
SHA512fac252cc184dca36e47d47953c68b72f56e19e554657691cc6bc403fbb7243d33dbff2a2406baefa6febcb17330b51c5ad89a5b1500dbdc00a5d36e62608f655
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
85c93d9629c39bbed10acea29a4b53ab
SHA18d62d3541e3217b5e8366a6468624b0053b1f417
SHA2565ead31e19a4908c1fa0ffe70e62197fe8ef5e3162029406318ce935254c0e36f
SHA512fac252cc184dca36e47d47953c68b72f56e19e554657691cc6bc403fbb7243d33dbff2a2406baefa6febcb17330b51c5ad89a5b1500dbdc00a5d36e62608f655
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memory/1628-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/4076-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB