Analysis
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max time kernel
183s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:30
Static task
static1
Behavioral task
behavioral1
Sample
0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe
Resource
win10v2004-en-20220112
General
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Target
0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe
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Size
216KB
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MD5
83bf2fbc4432622355df91491c51e197
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SHA1
33cd5b9c6076e049faf40c3b8f3871813335cf54
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SHA256
0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d
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SHA512
54523d5c78a0ed5f2c77c3904114890bf80e19a301b3e264862a70f1afa47662655defec157eb27759a9ec196b016f2eacdc160948cef610ee22cb708f430657
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/2024-132-0x0000000000400000-0x0000000000420000-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 2840 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.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\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" 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\LANConnectionCount = "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\DownloadMonthlyRateFrBps = "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\SwarmCount = "0" 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\UploadMonthlyInternetBytes = "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\InternetConnectionCount = "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\FrDownloadRatePct = "90" 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 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 (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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4140" 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\DownloadMonthlyRateBkBps = "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\CacheSizeBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.003534" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" 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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893169828666128" 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\UplinkBps = "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 = "4.411758" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" 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\DownloadMonthlyRateFrCnt = "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\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\UplinkUsageBps = "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 = "9.998707" 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 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe Token: SeRestorePrivilege 3252 TiWorker.exe Token: SeSecurityPrivilege 3252 TiWorker.exe Token: SeBackupPrivilege 3252 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.execmd.exedescription pid process target process PID 2024 wrote to memory of 2840 2024 0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe MediaCenter.exe PID 2024 wrote to memory of 2840 2024 0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe MediaCenter.exe PID 2024 wrote to memory of 2840 2024 0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe MediaCenter.exe PID 2024 wrote to memory of 748 2024 0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe cmd.exe PID 2024 wrote to memory of 748 2024 0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe cmd.exe PID 2024 wrote to memory of 748 2024 0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe cmd.exe PID 748 wrote to memory of 1768 748 cmd.exe PING.EXE PID 748 wrote to memory of 1768 748 cmd.exe PING.EXE PID 748 wrote to memory of 1768 748 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe"C:\Users\Admin\AppData\Local\Temp\0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2840 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1768
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3312
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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:228
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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:3252
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
e72a87cb50d2f0d7904bf186eff711a1
SHA1b39c9b610ced15d4b4896d9db4a09fbf3440ee99
SHA2560dff4d2f9d7bbd159fcb73be339e7763676d3049805ed7a95d038d907a2d6711
SHA512b2a360239f7c2c00b616e25a51eb5ab191e326ecc0fa92b33f58beead05800ca9700f837da3b12d7faac73f00ffbbd2946b3d57e6509639f79492139b84ff3a1
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
e72a87cb50d2f0d7904bf186eff711a1
SHA1b39c9b610ced15d4b4896d9db4a09fbf3440ee99
SHA2560dff4d2f9d7bbd159fcb73be339e7763676d3049805ed7a95d038d907a2d6711
SHA512b2a360239f7c2c00b616e25a51eb5ab191e326ecc0fa92b33f58beead05800ca9700f837da3b12d7faac73f00ffbbd2946b3d57e6509639f79492139b84ff3a1
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memory/2024-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB