Analysis
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max time kernel
160s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 17:37
Static task
static1
Behavioral task
behavioral1
Sample
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe
Resource
win7-20220901-en
General
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Target
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe
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Size
225KB
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MD5
7b7efe9132956a5517e1e6b7ee89d302
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SHA1
308f11a98895940845ef9a5af333bcc1d9f38260
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SHA256
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded
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SHA512
87d85fcc0b1d1e42a89a39ece64051269d7e75c9bc366f940059d33cf8b551f0d342537c2eb46a75549472ad5418c1f8691b42c8d5c0b728dfc7a631c74f7b99
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SSDEEP
6144:WAsBZRjd0+yiRUeq2KdtlHrsk9/u6r89sMT3QrEY:m5+iRUefKzlHrbtu6rJMbQD
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\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe 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 -
Sets file execution options in registry 2 TTPs 4 IoCs
Processes:
explorer.exeb94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "vzs.exe" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\u7133919.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\u7133919.exe\DisableExceptionChainValidation b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe -
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 4 IoCs
Processes:
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exepid process 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Windows Search 5.3.10 = "C:\\ProgramData\\Windows Search 5.3.10\\u7133919.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Search 5.3.10 = "\"C:\\ProgramData\\Windows Search 5.3.10\\u7133919.exe\"" explorer.exe -
Processes:
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe -
Drops desktop.ini file(s) 2 IoCs
Processes:
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exedescription ioc process File created C:\ProgramData\Windows Search 5.3.10\desktop.ini b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe File opened for modification C:\ProgramData\Windows Search 5.3.10\desktop.ini b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
Processes:
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exeexplorer.exepid process 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe 756 explorer.exe 756 explorer.exe 756 explorer.exe 756 explorer.exe 756 explorer.exe 756 explorer.exe 756 explorer.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exedescription pid process target process PID 4488 set thread context of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 308 756 WerFault.exe explorer.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
explorer.exeb94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exedescription ioc process 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 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
explorer.exepid process 756 explorer.exe 756 explorer.exe 756 explorer.exe 756 explorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exepid process 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exepid process 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe -
Suspicious use of AdjustPrivilegeToken 27 IoCs
Processes:
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exeexplorer.exedescription pid process Token: SeDebugPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeRestorePrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeBackupPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeLoadDriverPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeCreatePagefilePrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeShutdownPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeTakeOwnershipPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeChangeNotifyPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeCreateTokenPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeMachineAccountPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeSecurityPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeAssignPrimaryTokenPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeCreateGlobalPrivilege 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: 33 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe Token: SeDebugPrivilege 756 explorer.exe Token: SeRestorePrivilege 756 explorer.exe Token: SeBackupPrivilege 756 explorer.exe Token: SeLoadDriverPrivilege 756 explorer.exe Token: SeCreatePagefilePrivilege 756 explorer.exe Token: SeShutdownPrivilege 756 explorer.exe Token: SeTakeOwnershipPrivilege 756 explorer.exe Token: SeChangeNotifyPrivilege 756 explorer.exe Token: SeCreateTokenPrivilege 756 explorer.exe Token: SeMachineAccountPrivilege 756 explorer.exe Token: SeSecurityPrivilege 756 explorer.exe Token: SeAssignPrimaryTokenPrivilege 756 explorer.exe Token: SeCreateGlobalPrivilege 756 explorer.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exeb94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exedescription pid process target process PID 4488 wrote to memory of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe PID 4488 wrote to memory of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe PID 4488 wrote to memory of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe PID 4488 wrote to memory of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe PID 4488 wrote to memory of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe PID 4488 wrote to memory of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe PID 4488 wrote to memory of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe PID 4488 wrote to memory of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe PID 4488 wrote to memory of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe PID 4488 wrote to memory of 480 4488 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe PID 480 wrote to memory of 756 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe explorer.exe PID 480 wrote to memory of 756 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe explorer.exe PID 480 wrote to memory of 756 480 b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe explorer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe"C:\Users\Admin\AppData\Local\Temp\b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe"C:\Users\Admin\AppData\Local\Temp\b94410f72a616a50600c2a45dcef47961b427b15c3b535baf447ae60895e5ded.exe"2⤵
- Sets file execution options in registry
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- 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.exe3⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Adds Run key to start application
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 10564⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 756 -ip 7561⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nscE69E.tmp\UserInfo.dllFilesize
4KB
MD5d9a3fc12d56726dde60c1ead1df366f7
SHA1f531768159c14f07ac896437445652b33750a237
SHA256401f1a02000ff7cf9853d964dcba77e6f0fa8e57256b11ed3c01171d7a97388a
SHA5126b06e3446df419151dd20cdb1d9c595fe9fb0972e7dfc50dadeea9f868d8ef0cd4cefcb18c7ebfc0d2a3e9171f8aa1f9fe762f54c374667f6060e8ce7e845f51
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C:\Users\Admin\AppData\Local\Temp\nscE69E.tmp\UserInfo.dllFilesize
4KB
MD5d9a3fc12d56726dde60c1ead1df366f7
SHA1f531768159c14f07ac896437445652b33750a237
SHA256401f1a02000ff7cf9853d964dcba77e6f0fa8e57256b11ed3c01171d7a97388a
SHA5126b06e3446df419151dd20cdb1d9c595fe9fb0972e7dfc50dadeea9f868d8ef0cd4cefcb18c7ebfc0d2a3e9171f8aa1f9fe762f54c374667f6060e8ce7e845f51
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C:\Users\Admin\AppData\Local\Temp\nscE69E.tmp\UserInfo.dllFilesize
4KB
MD5d9a3fc12d56726dde60c1ead1df366f7
SHA1f531768159c14f07ac896437445652b33750a237
SHA256401f1a02000ff7cf9853d964dcba77e6f0fa8e57256b11ed3c01171d7a97388a
SHA5126b06e3446df419151dd20cdb1d9c595fe9fb0972e7dfc50dadeea9f868d8ef0cd4cefcb18c7ebfc0d2a3e9171f8aa1f9fe762f54c374667f6060e8ce7e845f51
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C:\Users\Admin\AppData\Local\Temp\nscE69E.tmp\dotations.dllFilesize
19KB
MD5cae5dfec13610999c9d2ae836dbe57ec
SHA17dc43e60e03d1dd8348c9328b56ad0546c26ca45
SHA256999e4591567c5537a36759f15108f1c3279cecdc88e520a6086269e67f73a76a
SHA5126549aedd952797db3875d69e7bf96dc4b4aa530131d56600b78e4dca237c5ea86fd3a3a358fa1ad15175ee98535e5dcc05277f0ab819969f1451372122c1a082
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memory/480-142-0x00000000022C0000-0x0000000002320000-memory.dmpFilesize
384KB
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memory/480-146-0x00000000027B0000-0x00000000027BC000-memory.dmpFilesize
48KB
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memory/480-139-0x0000000000400000-0x0000000000432000-memory.dmpFilesize
200KB
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memory/480-140-0x0000000000400000-0x0000000000432000-memory.dmpFilesize
200KB
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memory/480-136-0x0000000000000000-mapping.dmp
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memory/480-143-0x00000000022C0000-0x0000000002320000-memory.dmpFilesize
384KB
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memory/480-145-0x0000000000700000-0x000000000070D000-memory.dmpFilesize
52KB
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memory/480-137-0x0000000000400000-0x0000000000432000-memory.dmpFilesize
200KB
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memory/480-147-0x0000000000400000-0x0000000000432000-memory.dmpFilesize
200KB
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memory/480-149-0x00000000022C0000-0x0000000002320000-memory.dmpFilesize
384KB
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memory/756-148-0x0000000000000000-mapping.dmp
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memory/756-150-0x0000000000990000-0x0000000000DC3000-memory.dmpFilesize
4.2MB
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memory/756-151-0x0000000000850000-0x00000000008EC000-memory.dmpFilesize
624KB
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memory/756-152-0x0000000000850000-0x00000000008EC000-memory.dmpFilesize
624KB