Analysis
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max time kernel
164s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 08:27
Static task
static1
Behavioral task
behavioral1
Sample
0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe
Resource
win10v2004-en-20220112
General
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Target
0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe
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Size
216KB
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MD5
a6bfd0eaf669613fc2abdc90dd227959
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SHA1
a2371363f63317296dfc342534e54fc386ac35ff
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SHA256
0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184
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SHA512
e947abee052f01fb4955ea6858843d28c1c64c9dbaa7ab876899cc16efda208b978eb03fbfbe387d33e577618e243bb83246deef1c1e081c090d29ba85b9b252
Malware Config
Signatures
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Sakula Payload 3 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/1472-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2432 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.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 (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\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\Config\KVFileExpirationTime = "132893046959766606" 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\MonthID = "2" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280" 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 (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\Config\DODownloadMode = "1" 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\DownloadMonthlyInternetBytes = "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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.232199" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" 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\CacheSizeBytes = "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\SwarmCount = "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\Config\DownloadMode_BackCompat = "1" 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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.330676" 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\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\BkDownloadRatePct = "45" 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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.660944" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\LANConnectionCount = "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\NormalDownloadPendingCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exedescription pid process Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeIncBasePriorityPrivilege 1472 0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe Token: SeBackupPrivilege 2604 TiWorker.exe Token: SeRestorePrivilege 2604 TiWorker.exe Token: SeSecurityPrivilege 2604 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.execmd.exedescription pid process target process PID 1472 wrote to memory of 2432 1472 0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe MediaCenter.exe PID 1472 wrote to memory of 2432 1472 0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe MediaCenter.exe PID 1472 wrote to memory of 2432 1472 0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe MediaCenter.exe PID 1472 wrote to memory of 2568 1472 0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe cmd.exe PID 1472 wrote to memory of 2568 1472 0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe cmd.exe PID 1472 wrote to memory of 2568 1472 0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe cmd.exe PID 2568 wrote to memory of 3552 2568 cmd.exe PING.EXE PID 2568 wrote to memory of 3552 2568 cmd.exe PING.EXE PID 2568 wrote to memory of 3552 2568 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe"C:\Users\Admin\AppData\Local\Temp\0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2432 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b06661cadf127315450cfcbd763aced03de2035f54247c97b6ce1285bc38184.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3552
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3552
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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:3264
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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:2604
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
13b75ddf5a53fa85ce2d93a8593e6578
SHA10782cc401d76d6cba6da58492076c13de5f33032
SHA2569e0e4d83f7997a26897e025b59178d6f97c394251c3934302252b77dbd626d00
SHA5126f0bc67f4ea67dba8642544e820504f9d0a4dd18b9666d4ff98a15bc55eb24d2997de668603b85d39c7e8f6e88ed820fa055ba1daf4bc03c09c7ed3c6ad3362f
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
13b75ddf5a53fa85ce2d93a8593e6578
SHA10782cc401d76d6cba6da58492076c13de5f33032
SHA2569e0e4d83f7997a26897e025b59178d6f97c394251c3934302252b77dbd626d00
SHA5126f0bc67f4ea67dba8642544e820504f9d0a4dd18b9666d4ff98a15bc55eb24d2997de668603b85d39c7e8f6e88ed820fa055ba1daf4bc03c09c7ed3c6ad3362f
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memory/1472-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB