Analysis
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max time kernel
170s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:52
Static task
static1
Behavioral task
behavioral1
Sample
05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe
Resource
win10v2004-en-20220112
General
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Target
05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe
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Size
216KB
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MD5
aba8458a2959c4ed245ebf1d66e2599c
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SHA1
70f384cb551b551b8c040cde94e3822f99d2d8bd
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SHA256
05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931
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SHA512
29b3d9be016634a0310a5d76c04c14a489d61b93d777d42c11ddd7558ee7cd0408d6cccf9904c7f0d9ef73a3290f42175577a0d28ce5e45b8edda5386361d4e3
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/332-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1488-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1488 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.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 51 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateBkCnt = "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\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 (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\NormalDownloadPendingCount = "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\MemoryUsageKB = "4184" 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\DownloadMonthlyLanBytes = "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 (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\MemoryUsageKB = "3864" 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\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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893142263132907" 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\UplinkUsageBps = "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\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\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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4060" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4208" 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\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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateFrCnt = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.648276" 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.777781" 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 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.execmd.exedescription pid process target process PID 332 wrote to memory of 1488 332 05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe MediaCenter.exe PID 332 wrote to memory of 1488 332 05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe MediaCenter.exe PID 332 wrote to memory of 1488 332 05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe MediaCenter.exe PID 332 wrote to memory of 3648 332 05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe cmd.exe PID 332 wrote to memory of 3648 332 05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe cmd.exe PID 332 wrote to memory of 3648 332 05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe cmd.exe PID 3648 wrote to memory of 1620 3648 cmd.exe PING.EXE PID 3648 wrote to memory of 1620 3648 cmd.exe PING.EXE PID 3648 wrote to memory of 1620 3648 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe"C:\Users\Admin\AppData\Local\Temp\05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:332 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1488 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05f49a09d64fa9e7f2e0d911afc5f00b4737f6c8ec3d0dff22959f02ae30b931.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3648 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1620
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:756
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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:760
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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:1908
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
b6332729d6ebc22f2da7fababa8ad06e
SHA108e953cc15f2846a6107c64d1268421ff87304c6
SHA25636e27cb48fc35d7e3ff345b95216c68a229c16d52f637f61090921e27797c9e6
SHA51253da7054e3acaca9a05c9399a0729ae0a21e38764b88f9fee5d113052661d6fd300f4e6c5eea682ad50032a0aa371ba71bb1075eb895068dde2d3882f4649432
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
b6332729d6ebc22f2da7fababa8ad06e
SHA108e953cc15f2846a6107c64d1268421ff87304c6
SHA25636e27cb48fc35d7e3ff345b95216c68a229c16d52f637f61090921e27797c9e6
SHA51253da7054e3acaca9a05c9399a0729ae0a21e38764b88f9fee5d113052661d6fd300f4e6c5eea682ad50032a0aa371ba71bb1075eb895068dde2d3882f4649432
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memory/332-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/1488-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB