Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11-04-2024 08:54
Behavioral task
behavioral1
Sample
ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Resource
win7-20240221-en
General
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Target
ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
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Size
253KB
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MD5
ed0a4a654cfcd7ecdccd1e986346619a
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SHA1
57e05f690e0a0233dec3acc15b0864e8a1756891
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SHA256
7c6025ff29110c6b7776a839d8f43dd204da199102ef06019cd6d5b8397d5e8b
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SHA512
f8a310916c55c69295782fcba3af191a7a04b862dd3297d9a2e333bfb568e2dc7b3f63999a123972c8a4c14dcbac58cb55b40172e626091e42ad40b858be307b
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SSDEEP
6144:1D7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZH7:1l8E4w5huat7UovONzbXw
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:888
127.0.0.1:
DC_MUTEX-ES13VCX
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InstallPath
MSDCSC\msdcsc.exe
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gencode
ZanziAU7VKZZ
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
MicroUpdate
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe -
Modifies firewall policy service 2 TTPs 3 IoCs
Processes:
msdcsc.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe -
Modifies security service 2 TTPs 1 IoCs
Processes:
msdcsc.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe -
Processes:
msdcsc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
msdcsc.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe -
Disables Task Manager via registry modification
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Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
Processes:
attrib.exeattrib.exepid process 5072 attrib.exe 1140 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 4716 msdcsc.exe -
Processes:
resource yara_rule behavioral2/memory/4872-0-0x0000000000400000-0x00000000004BA000-memory.dmp upx C:\Users\Admin\Documents\MSDCSC\msdcsc.exe upx behavioral2/memory/4872-14-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-15-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-18-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-19-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-20-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-21-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-22-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-23-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-24-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-25-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-26-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-27-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-29-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-30-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-31-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/4716-32-0x0000000000400000-0x00000000004BA000-memory.dmp upx -
Processes:
msdcsc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
msdcsc.exepid process 4716 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeSecurityPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeLoadDriverPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeSystemProfilePrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeSystemtimePrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeBackupPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeRestorePrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeShutdownPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeDebugPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeUndockPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeManageVolumePrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeImpersonatePrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: 33 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: 34 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: 35 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: 36 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 4716 msdcsc.exe Token: SeSecurityPrivilege 4716 msdcsc.exe Token: SeTakeOwnershipPrivilege 4716 msdcsc.exe Token: SeLoadDriverPrivilege 4716 msdcsc.exe Token: SeSystemProfilePrivilege 4716 msdcsc.exe Token: SeSystemtimePrivilege 4716 msdcsc.exe Token: SeProfSingleProcessPrivilege 4716 msdcsc.exe Token: SeIncBasePriorityPrivilege 4716 msdcsc.exe Token: SeCreatePagefilePrivilege 4716 msdcsc.exe Token: SeBackupPrivilege 4716 msdcsc.exe Token: SeRestorePrivilege 4716 msdcsc.exe Token: SeShutdownPrivilege 4716 msdcsc.exe Token: SeDebugPrivilege 4716 msdcsc.exe Token: SeSystemEnvironmentPrivilege 4716 msdcsc.exe Token: SeChangeNotifyPrivilege 4716 msdcsc.exe Token: SeRemoteShutdownPrivilege 4716 msdcsc.exe Token: SeUndockPrivilege 4716 msdcsc.exe Token: SeManageVolumePrivilege 4716 msdcsc.exe Token: SeImpersonatePrivilege 4716 msdcsc.exe Token: SeCreateGlobalPrivilege 4716 msdcsc.exe Token: 33 4716 msdcsc.exe Token: 34 4716 msdcsc.exe Token: 35 4716 msdcsc.exe Token: 36 4716 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 4716 msdcsc.exe -
Suspicious use of WriteProcessMemory 37 IoCs
Processes:
ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.execmd.execmd.exemsdcsc.exedescription pid process target process PID 4872 wrote to memory of 2508 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe cmd.exe PID 4872 wrote to memory of 2508 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe cmd.exe PID 4872 wrote to memory of 2508 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe cmd.exe PID 4872 wrote to memory of 3964 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe cmd.exe PID 4872 wrote to memory of 3964 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe cmd.exe PID 4872 wrote to memory of 3964 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe cmd.exe PID 4872 wrote to memory of 4716 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe msdcsc.exe PID 4872 wrote to memory of 4716 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe msdcsc.exe PID 4872 wrote to memory of 4716 4872 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe msdcsc.exe PID 2508 wrote to memory of 5072 2508 cmd.exe attrib.exe PID 2508 wrote to memory of 5072 2508 cmd.exe attrib.exe PID 2508 wrote to memory of 5072 2508 cmd.exe attrib.exe PID 3964 wrote to memory of 1140 3964 cmd.exe attrib.exe PID 3964 wrote to memory of 1140 3964 cmd.exe attrib.exe PID 3964 wrote to memory of 1140 3964 cmd.exe attrib.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe PID 4716 wrote to memory of 3068 4716 msdcsc.exe notepad.exe -
System policy modification 1 TTPs 3 IoCs
Processes:
msdcsc.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msdcsc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 5072 attrib.exe 1140 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe" +s +h2⤵
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:5072 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1140 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4716 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵PID:3068
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exeFilesize
253KB
MD5ed0a4a654cfcd7ecdccd1e986346619a
SHA157e05f690e0a0233dec3acc15b0864e8a1756891
SHA2567c6025ff29110c6b7776a839d8f43dd204da199102ef06019cd6d5b8397d5e8b
SHA512f8a310916c55c69295782fcba3af191a7a04b862dd3297d9a2e333bfb568e2dc7b3f63999a123972c8a4c14dcbac58cb55b40172e626091e42ad40b858be307b
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memory/3068-17-0x0000000000D50000-0x0000000000D51000-memory.dmpFilesize
4KB
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memory/4716-21-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-22-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-15-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-16-0x0000000002090000-0x0000000002091000-memory.dmpFilesize
4KB
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memory/4716-32-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-18-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-19-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-20-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-31-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-30-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-23-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-24-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-25-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-26-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-27-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4716-29-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4872-14-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4872-0-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4872-1-0x0000000000AE0000-0x0000000000AE1000-memory.dmpFilesize
4KB