Analysis
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max time kernel
165s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 08:30
Static task
static1
Behavioral task
behavioral1
Sample
0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe
Resource
win10v2004-en-20220112
General
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Target
0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe
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Size
216KB
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MD5
f87e02dfa8b4c18ce680c415a188368f
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SHA1
867363b6c81840f141a92b97a6b000ccfa9ae510
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SHA256
0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9
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SHA512
f92f359bb714afd29367b8604351d2c6332f4d3fd70b399fdadc23cd9bd6265fe73b90dbc8a11ceb6fef15ec7b7ea1eb97dc2c6c78ef69e193c72c95b6ab1da7
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/1804-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2136-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2136 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.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 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\UploadMonthlyInternetBytes = "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\DownlinkBps = "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\NormalDownloadPendingCount = "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\Config 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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.818207" 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\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 (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\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\NormalDownloadCount = "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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.756712" 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\DownloadMonthlyCacheHostBytes = "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\Config\KVFileExpirationTime = "132893048910783333" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4032" 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 (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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" 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\PeerInfoCount = "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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\SwarmCount = "1" 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\LinkLocalConnectionCount = "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 = "4268" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1804 0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe Token: SeBackupPrivilege 844 TiWorker.exe Token: SeRestorePrivilege 844 TiWorker.exe Token: SeSecurityPrivilege 844 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.execmd.exedescription pid process target process PID 1804 wrote to memory of 2136 1804 0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe MediaCenter.exe PID 1804 wrote to memory of 2136 1804 0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe MediaCenter.exe PID 1804 wrote to memory of 2136 1804 0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe MediaCenter.exe PID 1804 wrote to memory of 3768 1804 0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe cmd.exe PID 1804 wrote to memory of 3768 1804 0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe cmd.exe PID 1804 wrote to memory of 3768 1804 0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe cmd.exe PID 3768 wrote to memory of 3472 3768 cmd.exe PING.EXE PID 3768 wrote to memory of 3472 3768 cmd.exe PING.EXE PID 3768 wrote to memory of 3472 3768 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe"C:\Users\Admin\AppData\Local\Temp\0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2136 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0af7a4c943fc60a2dbf6e3ba0d3f7d7e37e07c096870e51b051612d044e3cee9.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3768 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3472
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1364
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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:3336
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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:844
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
972fcb3e428258797a07ca36859cf7e9
SHA111383d6367fc30f9e4b3376cf87327a5d77a9308
SHA2569dd17a97d2ccff330a37747c8799941c8c0b4d39a5921c43bc7f2a6abcc6d5ca
SHA5127b450d9a412df16e3b0523b8007a81f0373d014a25fd2b9be45fa9c2a77f21b3b3f0ec27e330d9d498d0a2ff6750730cca93cd7e75278feb4ce0c2513aa60dbd
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
972fcb3e428258797a07ca36859cf7e9
SHA111383d6367fc30f9e4b3376cf87327a5d77a9308
SHA2569dd17a97d2ccff330a37747c8799941c8c0b4d39a5921c43bc7f2a6abcc6d5ca
SHA5127b450d9a412df16e3b0523b8007a81f0373d014a25fd2b9be45fa9c2a77f21b3b3f0ec27e330d9d498d0a2ff6750730cca93cd7e75278feb4ce0c2513aa60dbd
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memory/1804-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2136-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB