Analysis
- max time kernel
99s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
27/04/2026, 05:09
General
- Target 2026-04-27_7b2b99eb244ddf863a91acd54ef555ea_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260427-ftacaab15t
- SHA256 59662d8604e21e0952d35a129aa818866ce67095db5a70d25f4e61b95d54fcde
Malware Config
Signatures
- Family: DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- Modifies WinLogon for persistence 2 TTPs 2 IoCs
- Process spawned unexpected child process 6 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- UAC bypass 3 TTPs 6 IoCs
- Custom signatureDetects executables packed with SmartAssembly 6 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 11 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Checks whether UAC is enabled 1 TTPs 4 IoCs
- SmartAssembly .NET packer 6 IoCs
Detects SmartAssembly .NET packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 17 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 15 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- System policy modification 1 TTPs 6 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-04-27_7b2b99eb244ddf863a91acd54ef555ea_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-27_7b2b99eb244ddf863a91acd54ef555ea_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks computer location settings
- Adds Run key to start application
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\All Users\StartMenuExperienceHost.exe"C:\Users\All Users\StartMenuExperienceHost.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Documents\My Videos\sppsvc.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\Admin\Documents\My Videos\sppsvc.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 7 /tr "'C:\Users\Admin\Documents\My Videos\sppsvc.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\StartMenuExperienceHost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Users\All Users\StartMenuExperienceHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\StartMenuExperienceHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Users\All Users\StartMenuExperienceHost.exe"C:\Users\All Users\StartMenuExperienceHost.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\Documents\My Videos\sppsvc.exe"C:\Users\Admin\Documents\My Videos\sppsvc.exe"1⤵
- UAC bypass
- Checks computer location settings
- Executes dropped EXE
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ea9c8647-4e7f-4440-98fa-9bf0c405ea1a.vbs"2⤵
- System Location Discovery: System Language Discovery
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C:\Users\Admin\Documents\My Videos\sppsvc.exe"C:\Users\Admin\Documents\My Videos\sppsvc.exe"3⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\83c128db-52ef-437d-9a19-94f0aa18e413.vbs"4⤵
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C:\Users\Admin\Documents\My Videos\sppsvc.exe"C:\Users\Admin\Documents\My Videos\sppsvc.exe"5⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\e16b57f4-2dbd-4495-acbb-1a8ce9f2b5a9.vbs"4⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\3e173d6f-57d1-4182-9ecc-8da68a9fd6ee.vbs"2⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
StartMenuExperienceHost.exe
StartMenuExperienceHost.exe.log
powershell.exe.log
sppsvc.exe.log
ModuleAnalysisCache
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
3e173d6f-57d1-4182-9ecc-8da68a9fd6ee.vbs
83c128db-52ef-437d-9a19-94f0aa18e413.vbs
__PSScriptPolicyTest_dka5wle2.oo2.ps1
ea9c8647-4e7f-4440-98fa-9bf0c405ea1a.vbs
memory/2088-21232-0x0000000071840000-0x000000007188C000-memory.dmp
memory/2088-9086-0x0000000005480000-0x00000000054A2000-memory.dmp
memory/2088-9242-0x0000000005C60000-0x0000000005FB4000-memory.dmp
memory/2088-9087-0x0000000005B80000-0x0000000005BE6000-memory.dmp
memory/2088-6687-0x00000000012B0000-0x00000000012E6000-memory.dmp
memory/2320-19181-0x0000000006160000-0x0000000006172000-memory.dmp
memory/2372-21260-0x00000000074F0000-0x0000000007586000-memory.dmp
memory/2372-21060-0x0000000071840000-0x000000007188C000-memory.dmp
memory/3356-21263-0x0000000007570000-0x0000000007584000-memory.dmp
memory/3356-20838-0x0000000071840000-0x000000007188C000-memory.dmp
memory/3356-6816-0x0000000005190000-0x00000000057B8000-memory.dmp
memory/3484-21264-0x0000000007460000-0x000000000747A000-memory.dmp
memory/3484-21164-0x0000000071840000-0x000000007188C000-memory.dmp
memory/3600-21068-0x0000000071840000-0x000000007188C000-memory.dmp
memory/3704-21167-0x0000000071840000-0x000000007188C000-memory.dmp
memory/4336-21224-0x0000000071840000-0x000000007188C000-memory.dmp
memory/4336-21265-0x0000000007D30000-0x0000000007D38000-memory.dmp
memory/4344-21182-0x0000000071840000-0x000000007188C000-memory.dmp
memory/4344-21262-0x0000000007530000-0x000000000753E000-memory.dmp
memory/4356-118-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-5238-0x0000000006D10000-0x0000000006D22000-memory.dmp
memory/4356-10-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-6-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-76-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-74-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-73-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-70-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-68-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-66-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-64-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-62-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-60-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-82-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-90-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-108-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-106-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-104-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-102-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-100-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-98-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-96-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-94-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-92-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-88-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-86-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-85-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-80-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-78-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-111-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-130-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-128-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-126-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-124-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-122-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-120-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-16-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-116-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-112-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-114-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-1750-0x0000000002620000-0x0000000002630000-memory.dmp
memory/4356-2007-0x0000000002620000-0x0000000002630000-memory.dmp
memory/4356-2326-0x0000000002620000-0x0000000002630000-memory.dmp
memory/4356-5228-0x0000000002620000-0x0000000002630000-memory.dmp
memory/4356-5229-0x0000000002A80000-0x0000000002A9C000-memory.dmp
memory/4356-5230-0x0000000002AB0000-0x0000000002B00000-memory.dmp
memory/4356-5231-0x0000000002B10000-0x0000000002B18000-memory.dmp
memory/4356-5232-0x0000000006020000-0x0000000006030000-memory.dmp
memory/4356-5233-0x0000000006CB0000-0x0000000006CC6000-memory.dmp
memory/4356-5234-0x0000000006080000-0x0000000006088000-memory.dmp
memory/4356-5235-0x0000000006E10000-0x0000000006E20000-memory.dmp
memory/4356-5236-0x0000000006CD0000-0x0000000006CDA000-memory.dmp
memory/4356-5237-0x0000000006D00000-0x0000000006D0C000-memory.dmp
memory/4356-12-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-5239-0x0000000006E30000-0x000000000735C000-memory.dmp
memory/4356-5240-0x0000000006DA0000-0x0000000006DAC000-memory.dmp
memory/4356-5241-0x0000000006DB0000-0x0000000006DBC000-memory.dmp
memory/4356-5242-0x0000000006DE0000-0x0000000006DEA000-memory.dmp
memory/4356-5244-0x00000000075E0000-0x00000000075EC000-memory.dmp
memory/4356-24-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-18-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-5243-0x0000000006E00000-0x0000000006E08000-memory.dmp
memory/4356-5245-0x0000000002620000-0x0000000002630000-memory.dmp
memory/4356-5246-0x00000000076F0000-0x0000000007782000-memory.dmp
memory/4356-5247-0x00000000077D0000-0x00000000077DC000-memory.dmp
memory/4356-5250-0x0000000007930000-0x0000000007996000-memory.dmp
memory/4356-9534-0x0000000002620000-0x0000000002630000-memory.dmp
memory/4356-10100-0x0000000002620000-0x0000000002630000-memory.dmp
memory/4356-0-0x0000000002620000-0x0000000002630000-memory.dmp
memory/4356-1-0x00000000053F0000-0x000000000566C000-memory.dmp
memory/4356-28-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-2-0x0000000002620000-0x0000000002630000-memory.dmp
memory/4356-3-0x0000000005670000-0x0000000005C14000-memory.dmp
memory/4356-4-0x0000000005170000-0x00000000053EA000-memory.dmp
memory/4356-30-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-22-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-5-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-40-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-34-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-9-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-36-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-42-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-14-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-44-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-46-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-48-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-20-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-50-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-26-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-38-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-52-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-32-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-54-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-56-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4356-58-0x0000000005170000-0x00000000053E4000-memory.dmp
memory/4552-21239-0x0000000071840000-0x000000007188C000-memory.dmp
memory/5372-21261-0x0000000007C70000-0x0000000007C81000-memory.dmp
memory/5372-21256-0x0000000007AF0000-0x0000000007AFA000-memory.dmp
memory/5372-21180-0x00000000080B0000-0x000000000872A000-memory.dmp
memory/5372-21181-0x0000000007A70000-0x0000000007A8A000-memory.dmp
memory/5372-20737-0x00000000078B0000-0x0000000007953000-memory.dmp
memory/5372-20736-0x0000000007890000-0x00000000078AE000-memory.dmp
memory/5372-20629-0x0000000071840000-0x000000007188C000-memory.dmp
memory/5372-20628-0x0000000006900000-0x0000000006932000-memory.dmp
memory/5372-15871-0x0000000006650000-0x000000000666E000-memory.dmp
memory/5372-16094-0x0000000006B70000-0x0000000006BBC000-memory.dmp
memory/6016-21248-0x0000000071840000-0x000000007188C000-memory.dmp