Analysis
- max time kernel
151s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
16/12/2022, 08:06
General
- Target 48b9fa0cc39ab3ee91aa4ed8c8ef61bb.exe
- Size 328KB
- Sample221216-jzeezaed48
- SHA256 95147ab320f09786758083bb44e52ab1b6b951e5cc7ef8edd45cf7431e23e0ca
Malware Config
Extracted
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redline
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mario23_10
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167.235.252.160:10642
-
auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
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djvu
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http://abibiall.com/lancer/get.php
-
extension
.bttu
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offline_id
8p2Go5ZmkbFk0DF2oJ6E8vGEogpBqqaGCWjto1t1
-
payload_url
http://uaery.top/dl/build2.exe
http://abibiall.com/files/1/build3.exe
-
ransomnote
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Extracted
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raccoon
-
ec7a54fb6492ff3a52d09504b8ecf082
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http://88.119.161.188
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http://88.119.161.19
Signatures
- 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 2 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Raccoon
Raccoon is an infostealer written in C++ and first seen in 2019.
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 2 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 15 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 2 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.
- Accesses 2FA software files, possible credential harvesting 2 TTPs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 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.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 4 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 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
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\48b9fa0cc39ab3ee91aa4ed8c8ef61bb.exe"C:\Users\Admin\AppData\Local\Temp\48b9fa0cc39ab3ee91aa4ed8c8ef61bb.exe"1⤵
- DcRat
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\2981.exeC:\Users\Admin\AppData\Local\Temp\2981.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\2A1E.exeC:\Users\Admin\AppData\Local\Temp\2A1E.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 4242⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\2B38.exeC:\Users\Admin\AppData\Local\Temp\2B38.exe1⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
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C:\Users\Admin\AppData\Local\Temp\2E75.exeC:\Users\Admin\AppData\Local\Temp\2E75.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\3099.exeC:\Users\Admin\AppData\Local\Temp\3099.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4868 -ip 48681⤵
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C:\Users\Admin\AppData\Local\Temp\33C7.exeC:\Users\Admin\AppData\Local\Temp\33C7.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\33C7.exeC:\Users\Admin\AppData\Local\Temp\33C7.exe2⤵
- 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\15e294de-6fd6-4fca-8719-915bc69cb687" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\33C7.exe"C:\Users\Admin\AppData\Local\Temp\33C7.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\Temp\33C7.exe"C:\Users\Admin\AppData\Local\Temp\33C7.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Local\1981a952-54cc-41c2-bdb0-30bb9476fb49\build2.exe"C:\Users\Admin\AppData\Local\1981a952-54cc-41c2-bdb0-30bb9476fb49\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\1981a952-54cc-41c2-bdb0-30bb9476fb49\build2.exe"C:\Users\Admin\AppData\Local\1981a952-54cc-41c2-bdb0-30bb9476fb49\build2.exe"6⤵
- 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\1981a952-54cc-41c2-bdb0-30bb9476fb49\build2.exe" & exit7⤵
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\1981a952-54cc-41c2-bdb0-30bb9476fb49\build3.exe"C:\Users\Admin\AppData\Local\1981a952-54cc-41c2-bdb0-30bb9476fb49\build3.exe"5⤵
- 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"6⤵
- DcRat
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\3C34.exeC:\Users\Admin\AppData\Local\Temp\3C34.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\Wbem\wmic.exewmic os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.execmd /C "wmic path win32_VideoController get name"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\Wbem\WMIC.exewmic path win32_VideoController get name3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.execmd /C "wmic cpu get name"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\Wbem\WMIC.exewmic cpu get name3⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1884 -ip 18841⤵
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C:\Users\Admin\AppData\Local\Temp\B637.exeC:\Users\Admin\AppData\Local\Temp\B637.exe1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 3922⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2280 -ip 22801⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --no-first-run --no-default-browser-check --silent-launch --disable-backgrounding-occluded-windows --disable-background-timer-throttling --ran-launcher --profile-directory="Default"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Enumerates system info in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff80c304f50,0x7ff80c304f60,0x7ff80c304f702⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1636,17503158205781334083,16504928126984460615,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1652 /prefetch:22⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1636,17503158205781334083,16504928126984460615,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2016 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1636,17503158205781334083,16504928126984460615,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2228 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1636,17503158205781334083,16504928126984460615,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2912 /prefetch:82⤵
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 676 -s 36042⤵
- Program crash
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 184 -p 676 -ip 6761⤵
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- 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"2⤵
- DcRat
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
33C7.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
2981.exe
2981.exe
2A1E.exe
2A1E.exe
2B38.exe
2B38.exe
2E75.exe
2E75.exe
3099.exe
3099.exe
33C7.exe
33C7.exe
33C7.exe
33C7.exe
33C7.exe
3C34.exe
3C34.exe
B637.exe
B637.exe
mstsca.exe
mstsca.exe
memory/496-169-0x0000000001090000-0x0000000001105000-memory.dmp
memory/496-172-0x0000000001020000-0x000000000108B000-memory.dmp
memory/496-182-0x0000000001020000-0x000000000108B000-memory.dmp
memory/624-168-0x0000000005850000-0x0000000005E68000-memory.dmp
memory/624-212-0x0000000007AE0000-0x000000000800C000-memory.dmp
memory/624-147-0x0000000000400000-0x0000000000460000-memory.dmp
memory/624-207-0x0000000006910000-0x0000000006EB4000-memory.dmp
memory/624-208-0x0000000005770000-0x0000000005802000-memory.dmp
memory/624-209-0x0000000005E70000-0x0000000005ED6000-memory.dmp
memory/624-174-0x0000000005310000-0x000000000534C000-memory.dmp
memory/624-210-0x00000000066D0000-0x0000000006892000-memory.dmp
memory/624-173-0x00000000052B0000-0x00000000052C2000-memory.dmp
memory/624-170-0x0000000005380000-0x000000000548A000-memory.dmp
memory/1884-196-0x0000000000400000-0x0000000000455000-memory.dmp
memory/1884-195-0x0000000000693000-0x00000000006A4000-memory.dmp
memory/2008-186-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2008-215-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2008-189-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2008-181-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2008-184-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2064-191-0x00000000005C0000-0x000000000062B000-memory.dmp
memory/2064-190-0x0000000000853000-0x00000000008B4000-memory.dmp
memory/2064-188-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/2064-221-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/2064-223-0x0000000000853000-0x00000000008B4000-memory.dmp
memory/2064-187-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/2280-271-0x0000000002370000-0x00000000024A4000-memory.dmp
memory/2280-272-0x0000000000400000-0x0000000000578000-memory.dmp
memory/2280-270-0x0000000000802000-0x0000000000934000-memory.dmp
memory/2484-134-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2484-132-0x0000000000668000-0x000000000067E000-memory.dmp
memory/2484-135-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2484-133-0x00000000005F0000-0x00000000005F9000-memory.dmp
memory/3060-278-0x0000000008E80000-0x0000000008FA9000-memory.dmp
memory/3060-276-0x0000000008E80000-0x0000000008FA9000-memory.dmp
memory/3060-269-0x0000000008E80000-0x0000000008FA9000-memory.dmp
memory/3504-178-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3504-176-0x0000000000579000-0x000000000058F000-memory.dmp
memory/3504-203-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3504-177-0x00000000004D0000-0x00000000004D9000-memory.dmp
memory/3680-185-0x0000000002011000-0x00000000020A3000-memory.dmp
memory/3680-179-0x00000000021B0000-0x00000000022CB000-memory.dmp
memory/3912-220-0x00000000021A7000-0x0000000002239000-memory.dmp
memory/3992-198-0x0000000000400000-0x000000000042B000-memory.dmp
memory/3992-205-0x0000000000400000-0x000000000042B000-memory.dmp
memory/3992-201-0x0000000000400000-0x000000000042B000-memory.dmp
memory/4008-242-0x0000000000590000-0x00000000005E7000-memory.dmp
memory/4008-240-0x0000000000782000-0x00000000007B3000-memory.dmp
memory/4160-222-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4160-219-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4160-244-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4160-228-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4384-171-0x0000000000EE0000-0x0000000000EEC000-memory.dmp
memory/4868-157-0x0000000000390000-0x00000000003F9000-memory.dmp
memory/4908-248-0x0000000060900000-0x0000000060992000-memory.dmp
memory/4908-274-0x0000000000400000-0x000000000046B000-memory.dmp
memory/4908-237-0x0000000000400000-0x000000000046B000-memory.dmp
memory/4908-243-0x0000000000400000-0x000000000046B000-memory.dmp
memory/4908-239-0x0000000000400000-0x000000000046B000-memory.dmp
memory/4908-241-0x0000000000400000-0x000000000046B000-memory.dmp
memory/4948-202-0x00007FF80BD60000-0x00007FF80C821000-memory.dmp
memory/4948-139-0x000001B8F7CA0000-0x000001B8F7D36000-memory.dmp
memory/4948-194-0x00007FF80BD60000-0x00007FF80C821000-memory.dmp
memory/4948-155-0x00007FF80BD60000-0x00007FF80C821000-memory.dmp