Analysis
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max time kernel
161s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:16
Static task
static1
Behavioral task
behavioral1
Sample
04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe
Resource
win10v2004-en-20220112
General
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Target
04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe
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Size
192KB
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MD5
e0ee30e2965e2b28cc792a1777861bd3
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SHA1
b4fbf22df03a191feb3998c8926ce8ddf52fd0ca
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SHA256
04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154
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SHA512
d2dfdb67e1b831777a41e41164babde24c3b6667ed72451f25d360a10bbb2abc41a4e2cf1e5cb6414cdc0690840219b8ea353180a6e1eb34fbb6b6d9c3e532c8
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/2532-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3708-133-0x0000000000400000-0x0000000000420000-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 3708 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.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\Usage\DownloadMonthlyInternetBytes = "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\DownloadMonthlyLinkLocalBytes = "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 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\DownloadMonthlyRateFrCnt = "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\SwarmCount = "1" 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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893159184048542" 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\FrDownloadRatePct = "90" 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 = "3.571356" 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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\DownlinkBps = "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\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.998451" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "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\UplinkUsageBps = "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\MonthID = "2" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.658477" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308" 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\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\DownloadMonthlyRateFrBps = "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\MemoryUsageKB = "4104" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2532 04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe Token: SeBackupPrivilege 448 TiWorker.exe Token: SeRestorePrivilege 448 TiWorker.exe Token: SeSecurityPrivilege 448 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.execmd.exedescription pid process target process PID 2532 wrote to memory of 3708 2532 04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe MediaCenter.exe PID 2532 wrote to memory of 3708 2532 04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe MediaCenter.exe PID 2532 wrote to memory of 3708 2532 04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe MediaCenter.exe PID 2532 wrote to memory of 1244 2532 04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe cmd.exe PID 2532 wrote to memory of 1244 2532 04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe cmd.exe PID 2532 wrote to memory of 1244 2532 04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe cmd.exe PID 1244 wrote to memory of 3304 1244 cmd.exe PING.EXE PID 1244 wrote to memory of 3304 1244 cmd.exe PING.EXE PID 1244 wrote to memory of 3304 1244 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe"C:\Users\Admin\AppData\Local\Temp\04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3708 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04d384313fea28c204bef8779a27d5f57b88fdeb2e2f041b78f6447beda5a154.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3304
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4020
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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:1044
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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:448
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
4e5d5f9d5811abaf7703ab9fd54bb935
SHA1ed8612d5e45bb4db211a51b45a1ae5f8df5161c0
SHA256215ef106fce8143365f89a15a523debe1241f86c2e8d9d20cec459bb8f453385
SHA5123d7a74e7fae6186e1a5dc726fe5f1ef32d92bc6909a7e350e733fbab23e32e1a22d7eec3f2efdc1050e3714a3b67451906a1979ecfb324b77f6945f55cc86d1b
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
4e5d5f9d5811abaf7703ab9fd54bb935
SHA1ed8612d5e45bb4db211a51b45a1ae5f8df5161c0
SHA256215ef106fce8143365f89a15a523debe1241f86c2e8d9d20cec459bb8f453385
SHA5123d7a74e7fae6186e1a5dc726fe5f1ef32d92bc6909a7e350e733fbab23e32e1a22d7eec3f2efdc1050e3714a3b67451906a1979ecfb324b77f6945f55cc86d1b
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memory/2532-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3708-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB