Analysis
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max time kernel
174s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 08:23
Static task
static1
Behavioral task
behavioral1
Sample
0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe
Resource
win10v2004-en-20220112
General
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Target
0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe
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Size
216KB
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MD5
927f49d13a62db61c277927a6e2bcd89
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SHA1
f949094d9ca34e64e32098be8d48fd7130ab258e
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SHA256
0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d
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SHA512
f9f1af3deaee98b104a59cbf2a53b42ee1b9567f3f707fe8aed9e655a389a5b3ce2c4a0ca1000a4407c8c3a4abe949a2eaeb3b06ef1731e5ed4f236818624093
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/1380-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2708 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.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 52 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\DownloadMonthlyInternetBytes = "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\PriorityDownloadCount = "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\DownloadMonthlyLanBytes = "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\MonthlyUploadRestriction = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893043738930767" 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\CDNConnectionCount = "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\UploadRatePct = "100" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.387054" 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\DownloadMonthlyGroupBytes = "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\DownlinkBps = "0" 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 = "0.068120" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124" 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\Config 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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160" 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\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\LinkLocalConnectionCount = "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\MemoryUsageKB = "3956" 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\MonthID = "2" 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\LANConnectionCount = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.115473" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exedescription pid process Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeIncBasePriorityPrivilege 1380 0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe Token: SeBackupPrivilege 2508 TiWorker.exe Token: SeRestorePrivilege 2508 TiWorker.exe Token: SeSecurityPrivilege 2508 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.execmd.exedescription pid process target process PID 1380 wrote to memory of 2708 1380 0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe MediaCenter.exe PID 1380 wrote to memory of 2708 1380 0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe MediaCenter.exe PID 1380 wrote to memory of 2708 1380 0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe MediaCenter.exe PID 1380 wrote to memory of 1752 1380 0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe cmd.exe PID 1380 wrote to memory of 1752 1380 0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe cmd.exe PID 1380 wrote to memory of 1752 1380 0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe cmd.exe PID 1752 wrote to memory of 3308 1752 cmd.exe PING.EXE PID 1752 wrote to memory of 3308 1752 cmd.exe PING.EXE PID 1752 wrote to memory of 3308 1752 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe"C:\Users\Admin\AppData\Local\Temp\0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2708 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3308
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2660
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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:496
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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:2508
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
f0086f6f5c63366a379c43c7d79c82ca
SHA15b9ade5279ea5d6dc882f3c52372091d0a05275d
SHA25606e7b4c592e75ea92a6ec9b8ab2ed869301acbc15821529ad260d2a4e737e555
SHA512c0fcc65fe345b025098e0e17be9f1b1bbc60c37c8a6ddc51d94f3a39c294b9891b0726f8b9029b9e9f88219bd2fda9d3ab8beb57de9fa3b22bfc8351bc4f9685
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
f0086f6f5c63366a379c43c7d79c82ca
SHA15b9ade5279ea5d6dc882f3c52372091d0a05275d
SHA25606e7b4c592e75ea92a6ec9b8ab2ed869301acbc15821529ad260d2a4e737e555
SHA512c0fcc65fe345b025098e0e17be9f1b1bbc60c37c8a6ddc51d94f3a39c294b9891b0726f8b9029b9e9f88219bd2fda9d3ab8beb57de9fa3b22bfc8351bc4f9685
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memory/1380-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB