Analysis
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max time kernel
152s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:45
Static task
static1
Behavioral task
behavioral1
Sample
0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe
Resource
win10v2004-en-20220112
General
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Target
0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe
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Size
216KB
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MD5
05ca66dec76c5526bc20373065ce9330
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SHA1
dfefaf0cc12c268606d23b271b60e1a13eeba9ea
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SHA256
0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a
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SHA512
60619def19ee88803af58fd8520982cf8e7749f251f8f085f97884fbd30760b52e01f25124372f77632c9d2eac4ac1d28c6a33e487aeda89f1c26063f8ab503e
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/3192-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1620-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1620 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.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 51 IoCs
Processes:
svchost.exedescription ioc process 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 (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\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.173625" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "33.366077" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4024" 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\DownloadMonthlyInternetBytes = "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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300" 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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4072" 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\SwarmCount = "1" 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 (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\UploadMonthlyInternetBytes = "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\DownloadMonthlyLanBytes = "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\DownloadMonthlyCacheHostBytes = "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\MonthID = "2" 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\Settings 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\LANConnectionCount = "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 Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.453268" 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\PriorityDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893096023782057" 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\UplinkBps = "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\NormalDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe Token: SeRestorePrivilege 2312 TiWorker.exe Token: SeSecurityPrivilege 2312 TiWorker.exe Token: SeBackupPrivilege 2312 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.execmd.exedescription pid process target process PID 3192 wrote to memory of 1620 3192 0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe MediaCenter.exe PID 3192 wrote to memory of 1620 3192 0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe MediaCenter.exe PID 3192 wrote to memory of 1620 3192 0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe MediaCenter.exe PID 3192 wrote to memory of 2464 3192 0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe cmd.exe PID 3192 wrote to memory of 2464 3192 0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe cmd.exe PID 3192 wrote to memory of 2464 3192 0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe cmd.exe PID 2464 wrote to memory of 484 2464 cmd.exe PING.EXE PID 2464 wrote to memory of 484 2464 cmd.exe PING.EXE PID 2464 wrote to memory of 484 2464 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe"C:\Users\Admin\AppData\Local\Temp\0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1620 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0917dbaab9e1ee6e1bf2d9cedcfac3913f33ed821b50daa81ac3fff45fe91b8a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:484
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1872
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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:384
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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:2312
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
e74c523eedb543703f49a6f431475a03
SHA167263cf8e399efdd0fdc97aac8ae447c1f703ce6
SHA2563f3096d4e6e1af7947a352f2ac5f1d603e1b7382115a540a723cfa2f9d0b7bc2
SHA512d184401bd1d3484f5a9334852193e0bff66064543fb1fcc3b455c21aea4cd6b91e5745c7476bb05b1073682c9e1e8150a2c7f81d5a6372d76c992380a57dfe4e
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
e74c523eedb543703f49a6f431475a03
SHA167263cf8e399efdd0fdc97aac8ae447c1f703ce6
SHA2563f3096d4e6e1af7947a352f2ac5f1d603e1b7382115a540a723cfa2f9d0b7bc2
SHA512d184401bd1d3484f5a9334852193e0bff66064543fb1fcc3b455c21aea4cd6b91e5745c7476bb05b1073682c9e1e8150a2c7f81d5a6372d76c992380a57dfe4e
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memory/1620-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3192-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB