Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7v200722 -
submitted
24-09-2020 19:48
Static task
static1
Behavioral task
behavioral1
Sample
CFDI_Detalles.exe
Resource
win7v200722
General
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Target
CFDI_Detalles.exe
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Size
649KB
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MD5
25c412970140a1a041d28ad8817d605c
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SHA1
d7247da0263fe24f2bb3a68703c40579a6eaa1ae
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SHA256
53533c1e66deaaba84275f5d11465423bf957a5bcc51de05492792128381e7d7
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SHA512
964110a2a91cccc35eaadc9536c88d319fc1e4ee3f7aed685bcb0a03cdfa1cb00b43a8c19ffe273c1d364af86ffdddfd27a40e42fafd8f5de4fef6a3a5dbeb29
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe -
Executes dropped EXE 3 IoCs
Processes:
q7ei5uaqm53i53_1.exeq399cwk7oqaesao.exe35w3q3u717am.exepid process 472 q7ei5uaqm53i53_1.exe 572 q399cwk7oqaesao.exe 1940 35w3q3u717am.exe -
Sets file execution options in registry 2 TTPs
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe -
Loads dropped DLL 3 IoCs
Processes:
explorer.exepid process 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe -
Adds Run key to start application 2 TTPs 6 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "C:\\ProgramData\\Google Updater 2.09\\q7ei5uaqm53i53.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\q7ei5uaqm53i53.exe\"" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\q7ei5uaqm53i53.exe\"" explorer.exe -
Processes:
CFDI_Detalles.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA CFDI_Detalles.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
explorer.exedescription ioc process File opened for modification C:\ProgramData\Google Updater 2.09\desktop.ini explorer.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
Processes:
CFDI_Detalles.exeexplorer.exepid process 1692 CFDI_Detalles.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
CFDI_Detalles.exeq7ei5uaqm53i53_1.exedescription pid process target process PID 852 set thread context of 1692 852 CFDI_Detalles.exe CFDI_Detalles.exe PID 472 set thread context of 0 472 q7ei5uaqm53i53_1.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
CFDI_Detalles.exeexplorer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString CFDI_Detalles.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 CFDI_Detalles.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer explorer.exe -
Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe -
Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\VersionManager\DownloadVersionList = "0" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Main explorer.exe Key created \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\VersionManager explorer.exe -
NTFS ADS 2 IoCs
Processes:
explorer.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Local\Temp\q7ei5uaqm53i53_1.exe:14EDFC78 explorer.exe File created C:\Users\Admin\AppData\Local\Temp\q7ei5uaqm53i53_1.exe:14EDFC78 explorer.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
explorer.exepid process 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe 1956 explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
35w3q3u717am.exepid process 1940 35w3q3u717am.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
CFDI_Detalles.exeexplorer.exepid process 1692 CFDI_Detalles.exe 1692 CFDI_Detalles.exe 1956 explorer.exe 1956 explorer.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
CFDI_Detalles.exepid process 1692 CFDI_Detalles.exe -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
CFDI_Detalles.exeexplorer.exedescription pid process Token: SeDebugPrivilege 1692 CFDI_Detalles.exe Token: SeRestorePrivilege 1692 CFDI_Detalles.exe Token: SeBackupPrivilege 1692 CFDI_Detalles.exe Token: SeLoadDriverPrivilege 1692 CFDI_Detalles.exe Token: SeCreatePagefilePrivilege 1692 CFDI_Detalles.exe Token: SeShutdownPrivilege 1692 CFDI_Detalles.exe Token: SeTakeOwnershipPrivilege 1692 CFDI_Detalles.exe Token: SeChangeNotifyPrivilege 1692 CFDI_Detalles.exe Token: SeCreateTokenPrivilege 1692 CFDI_Detalles.exe Token: SeMachineAccountPrivilege 1692 CFDI_Detalles.exe Token: SeSecurityPrivilege 1692 CFDI_Detalles.exe Token: SeAssignPrimaryTokenPrivilege 1692 CFDI_Detalles.exe Token: SeCreateGlobalPrivilege 1692 CFDI_Detalles.exe Token: 33 1692 CFDI_Detalles.exe Token: SeDebugPrivilege 1956 explorer.exe Token: SeRestorePrivilege 1956 explorer.exe Token: SeBackupPrivilege 1956 explorer.exe Token: SeLoadDriverPrivilege 1956 explorer.exe Token: SeCreatePagefilePrivilege 1956 explorer.exe Token: SeShutdownPrivilege 1956 explorer.exe Token: SeTakeOwnershipPrivilege 1956 explorer.exe Token: SeChangeNotifyPrivilege 1956 explorer.exe Token: SeCreateTokenPrivilege 1956 explorer.exe Token: SeMachineAccountPrivilege 1956 explorer.exe Token: SeSecurityPrivilege 1956 explorer.exe Token: SeAssignPrimaryTokenPrivilege 1956 explorer.exe Token: SeCreateGlobalPrivilege 1956 explorer.exe Token: 33 1956 explorer.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
q399cwk7oqaesao.exe35w3q3u717am.exepid process 572 q399cwk7oqaesao.exe 1940 35w3q3u717am.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
35w3q3u717am.exepid process 1940 35w3q3u717am.exe -
Suspicious use of WriteProcessMemory 46 IoCs
Processes:
CFDI_Detalles.exeCFDI_Detalles.exeexplorer.exedescription pid process target process PID 852 wrote to memory of 1692 852 CFDI_Detalles.exe CFDI_Detalles.exe PID 852 wrote to memory of 1692 852 CFDI_Detalles.exe CFDI_Detalles.exe PID 852 wrote to memory of 1692 852 CFDI_Detalles.exe CFDI_Detalles.exe PID 852 wrote to memory of 1692 852 CFDI_Detalles.exe CFDI_Detalles.exe PID 852 wrote to memory of 1692 852 CFDI_Detalles.exe CFDI_Detalles.exe PID 852 wrote to memory of 1692 852 CFDI_Detalles.exe CFDI_Detalles.exe PID 1692 wrote to memory of 1956 1692 CFDI_Detalles.exe explorer.exe PID 1692 wrote to memory of 1956 1692 CFDI_Detalles.exe explorer.exe PID 1692 wrote to memory of 1956 1692 CFDI_Detalles.exe explorer.exe PID 1692 wrote to memory of 1956 1692 CFDI_Detalles.exe explorer.exe PID 1692 wrote to memory of 1956 1692 CFDI_Detalles.exe explorer.exe PID 1692 wrote to memory of 1956 1692 CFDI_Detalles.exe explorer.exe PID 1692 wrote to memory of 1956 1692 CFDI_Detalles.exe explorer.exe PID 1956 wrote to memory of 1140 1956 explorer.exe Dwm.exe PID 1956 wrote to memory of 1140 1956 explorer.exe Dwm.exe PID 1956 wrote to memory of 1140 1956 explorer.exe Dwm.exe PID 1956 wrote to memory of 1140 1956 explorer.exe Dwm.exe PID 1956 wrote to memory of 1140 1956 explorer.exe Dwm.exe PID 1956 wrote to memory of 1140 1956 explorer.exe Dwm.exe PID 1956 wrote to memory of 1204 1956 explorer.exe Explorer.EXE PID 1956 wrote to memory of 1204 1956 explorer.exe Explorer.EXE PID 1956 wrote to memory of 1204 1956 explorer.exe Explorer.EXE PID 1956 wrote to memory of 1204 1956 explorer.exe Explorer.EXE PID 1956 wrote to memory of 1204 1956 explorer.exe Explorer.EXE PID 1956 wrote to memory of 1204 1956 explorer.exe Explorer.EXE PID 1956 wrote to memory of 472 1956 explorer.exe q7ei5uaqm53i53_1.exe PID 1956 wrote to memory of 472 1956 explorer.exe q7ei5uaqm53i53_1.exe PID 1956 wrote to memory of 472 1956 explorer.exe q7ei5uaqm53i53_1.exe PID 1956 wrote to memory of 472 1956 explorer.exe q7ei5uaqm53i53_1.exe PID 1956 wrote to memory of 472 1956 explorer.exe q7ei5uaqm53i53_1.exe PID 1956 wrote to memory of 472 1956 explorer.exe q7ei5uaqm53i53_1.exe PID 1956 wrote to memory of 472 1956 explorer.exe q7ei5uaqm53i53_1.exe PID 1956 wrote to memory of 572 1956 explorer.exe q399cwk7oqaesao.exe PID 1956 wrote to memory of 572 1956 explorer.exe q399cwk7oqaesao.exe PID 1956 wrote to memory of 572 1956 explorer.exe q399cwk7oqaesao.exe PID 1956 wrote to memory of 572 1956 explorer.exe q399cwk7oqaesao.exe PID 1956 wrote to memory of 572 1956 explorer.exe q399cwk7oqaesao.exe PID 1956 wrote to memory of 572 1956 explorer.exe q399cwk7oqaesao.exe PID 1956 wrote to memory of 572 1956 explorer.exe q399cwk7oqaesao.exe PID 1956 wrote to memory of 1940 1956 explorer.exe 35w3q3u717am.exe PID 1956 wrote to memory of 1940 1956 explorer.exe 35w3q3u717am.exe PID 1956 wrote to memory of 1940 1956 explorer.exe 35w3q3u717am.exe PID 1956 wrote to memory of 1940 1956 explorer.exe 35w3q3u717am.exe PID 1956 wrote to memory of 1940 1956 explorer.exe 35w3q3u717am.exe PID 1956 wrote to memory of 1940 1956 explorer.exe 35w3q3u717am.exe PID 1956 wrote to memory of 1940 1956 explorer.exe 35w3q3u717am.exe
Processes
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\CFDI_Detalles.exe"C:\Users\Admin\AppData\Local\Temp\CFDI_Detalles.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CFDI_Detalles.exe"C:\Users\Admin\AppData\Local\Temp\CFDI_Detalles.exe"3⤵
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\q7ei5uaqm53i53_1.exe/suac5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\Temp\q399cwk7oqaesao.exe"C:\Users\Admin\AppData\Local\Temp\q399cwk7oqaesao.exe"5⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
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C:\Users\Admin\AppData\Local\Temp\35w3q3u717am.exe"C:\Users\Admin\AppData\Local\Temp\35w3q3u717am.exe"5⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\35w3q3u717am.exe
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C:\Users\Admin\AppData\Local\Temp\35w3q3u717am.exe
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C:\Users\Admin\AppData\Local\Temp\q399cwk7oqaesao.exe
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C:\Users\Admin\AppData\Local\Temp\q399cwk7oqaesao.exe
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C:\Users\Admin\AppData\Local\Temp\q7ei5uaqm53i53_1.exe
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C:\Users\Admin\AppData\Local\Temp\q7ei5uaqm53i53_1.exe
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\Users\Admin\AppData\Local\Temp\35w3q3u717am.exe
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\Users\Admin\AppData\Local\Temp\q399cwk7oqaesao.exe
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\Users\Admin\AppData\Local\Temp\q7ei5uaqm53i53_1.exe
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memory/472-11-0x0000000000000000-mapping.dmp
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memory/572-18-0x000007FEF5950000-0x000007FEF62ED000-memory.dmpFilesize
9.6MB
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memory/572-15-0x0000000000000000-mapping.dmp
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memory/572-19-0x000007FEF5950000-0x000007FEF62ED000-memory.dmpFilesize
9.6MB
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memory/1016-9-0x000007FEF7C60000-0x000007FEF7EDA000-memory.dmpFilesize
2.5MB
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memory/1692-3-0x00000000025C0000-0x00000000026CC000-memory.dmpFilesize
1.0MB
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memory/1692-4-0x00000000029D0000-0x0000000002B51000-memory.dmpFilesize
1.5MB
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memory/1692-0-0x0000000000400000-0x0000000000435000-memory.dmpFilesize
212KB
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memory/1692-2-0x0000000000400000-0x0000000000435000-memory.dmpFilesize
212KB
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memory/1692-1-0x00000000004015C6-mapping.dmp
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memory/1940-21-0x0000000000000000-mapping.dmp
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memory/1940-24-0x000007FEF5950000-0x000007FEF62ED000-memory.dmpFilesize
9.6MB
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memory/1940-25-0x000007FEF5950000-0x000007FEF62ED000-memory.dmpFilesize
9.6MB
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memory/1956-6-0x00000000748E0000-0x000000007491C000-memory.dmpFilesize
240KB
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memory/1956-5-0x0000000000000000-mapping.dmp
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memory/1956-7-0x0000000074B40000-0x0000000074B47000-memory.dmpFilesize
28KB
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memory/1956-8-0x0000000074140000-0x000000007415C000-memory.dmpFilesize
112KB