Analysis
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max time kernel
166s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:12
Static task
static1
Behavioral task
behavioral1
Sample
0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe
Resource
win10v2004-en-20220112
General
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Target
0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe
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Size
116KB
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MD5
b8fa06df4815bab1aa36ca0a58470ee4
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SHA1
359a9d15f5a50cb6681cc7c4b6b90f6279785c2b
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SHA256
0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c
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SHA512
6fbbdb5ef4864142cb8b6486c1b1efd9b261911f753835d289a49494510f7ae518696c3692b9f8cb3565d73eca82d18ea1bc92f19adb6d79a938d79663a26e4f
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/1224-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1868-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1868 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.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 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\DownloadMonthlyRateFrBps = "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\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\CacheSizeBytes = "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\UploadRatePct = "100" 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 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\Config\KVFileExpirationTime = "132893156294158069" 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\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\FrDownloadRatePct = "90" 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\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\DownloadMonthlyGroupBytes = "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\PriorityDownloadCount = "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\DownloadMonthlyLanBytes = "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\SwarmCount = "1" 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\MemoryUsageKB = "4184" 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\UplinkUsageBps = "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\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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.666719" 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 = "6.018377" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1224 0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe Token: SeBackupPrivilege 3228 TiWorker.exe Token: SeRestorePrivilege 3228 TiWorker.exe Token: SeSecurityPrivilege 3228 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.execmd.exedescription pid process target process PID 1224 wrote to memory of 1868 1224 0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe MediaCenter.exe PID 1224 wrote to memory of 1868 1224 0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe MediaCenter.exe PID 1224 wrote to memory of 1868 1224 0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe MediaCenter.exe PID 1224 wrote to memory of 1168 1224 0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe cmd.exe PID 1224 wrote to memory of 1168 1224 0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe cmd.exe PID 1224 wrote to memory of 1168 1224 0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe cmd.exe PID 1168 wrote to memory of 3464 1168 cmd.exe PING.EXE PID 1168 wrote to memory of 3464 1168 cmd.exe PING.EXE PID 1168 wrote to memory of 3464 1168 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe"C:\Users\Admin\AppData\Local\Temp\0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1868 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0508eeb5a936996d2c7ab66e3bd7d8adcb0976b7c52a0354b5338237f39ff40c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3464
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3808
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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:1820
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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:3228
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
0b66b34e860f064f40cf2b7aac77bc18
SHA1ec1b2aceef8df8e86974fd9f442639fe3df47a42
SHA2566c00245c2d9618fd05adf60d27c288afb17bf97fd7df4d9e945336d43b505f29
SHA512f9cb17ae1542996aa01af452a85791fc9ee9ddab9184cd60162f53861ab1fa3d1d21d5411344b4f2b93ea0c665324a007e8483e92781d14c84667123a3e2ddff
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
0b66b34e860f064f40cf2b7aac77bc18
SHA1ec1b2aceef8df8e86974fd9f442639fe3df47a42
SHA2566c00245c2d9618fd05adf60d27c288afb17bf97fd7df4d9e945336d43b505f29
SHA512f9cb17ae1542996aa01af452a85791fc9ee9ddab9184cd60162f53861ab1fa3d1d21d5411344b4f2b93ea0c665324a007e8483e92781d14c84667123a3e2ddff
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memory/1224-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/1868-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB