Analysis
- max time kernel
151s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
05/11/2022, 03:01
General
- Target file.exe
- Size 286KB
- Sample221105-dhwp2afbel
- SHA256 8ccbdb6e79cb28f5c351fae88fda9c3c0d116803602d37da08546812afb5b3ab
Malware Config
Extracted
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djvu
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http://fresherlights.com/lancer/get.php
-
extension
.bozq
-
offline_id
oHp5e4SJxdFtxfvKYmeX06F4C5cn0EcsF5Ak9Wt1
-
payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
-
ransomnote
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Extracted
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redline
-
mario23_10
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167.235.252.160:10642
-
auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
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redline
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Mast1000
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78.153.144.3:2510
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auth_value
8e868b09fa3921a313a9a4fa08602f0a
Signatures
- Detected Djvu ransomware 11 IoCs
- Detects Smokeloader packer 3 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- 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.
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 14 IoCs
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 4 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.
- Suspicious use of SetThreadContext 7 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 8 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 45 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
- Modifies Internet Explorer settings 1 TTPs 4 IoCs
- Modifies registry class 43 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 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 SetWindowsHookEx 4 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\28A6.exeC:\Users\Admin\AppData\Local\Temp\28A6.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\28A6.exeC:\Users\Admin\AppData\Local\Temp\28A6.exe2⤵
- 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\f17744c9-e32f-4166-b6f1-1fb239c4118d" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\28A6.exe"C:\Users\Admin\AppData\Local\Temp\28A6.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\28A6.exe"C:\Users\Admin\AppData\Local\Temp\28A6.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Local\f74a8237-f189-41cd-a807-7f433f83f705\build2.exe"C:\Users\Admin\AppData\Local\f74a8237-f189-41cd-a807-7f433f83f705\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\f74a8237-f189-41cd-a807-7f433f83f705\build2.exe"C:\Users\Admin\AppData\Local\f74a8237-f189-41cd-a807-7f433f83f705\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\f74a8237-f189-41cd-a807-7f433f83f705\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\f74a8237-f189-41cd-a807-7f433f83f705\build3.exe"C:\Users\Admin\AppData\Local\f74a8237-f189-41cd-a807-7f433f83f705\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⤵
- Creates scheduled task(s)
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-
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C:\Users\Admin\AppData\Local\Temp\29FF.exeC:\Users\Admin\AppData\Local\Temp\29FF.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==2⤵
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\2B09.exeC:\Users\Admin\AppData\Local\Temp\2B09.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\2C62.exeC:\Users\Admin\AppData\Local\Temp\2C62.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\2F03.exeC:\Users\Admin\AppData\Local\Temp\2F03.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\3156.exeC:\Users\Admin\AppData\Local\Temp\3156.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⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 813882⤵
- Program crash
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\34F1.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\34F1.dll2⤵
- Loads dropped DLL
-
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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 484 -p 4328 -ip 43281⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3368 -ip 33681⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1200 -ip 12001⤵
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C:\Users\Admin\AppData\Local\Temp\E5D3.exeC:\Users\Admin\AppData\Local\Temp\E5D3.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Checks processor information in registry
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Blocklisted process makes network request
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 85852 -s 6162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 85852 -s 9402⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 85852 -s 9402⤵
- Program crash
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 204063⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 85852 -s 10362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 85852 -s 10522⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 85852 -ip 858521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 85852 -ip 858521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 85852 -ip 858521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 85852 -ip 858521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 85852 -ip 858521⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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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⤵
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
sqlite3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
28A6.exe
28A6.exe
28A6.exe
28A6.exe
28A6.exe
29FF.exe
29FF.exe
2B09.exe
2B09.exe
2C62.exe
2C62.exe
2F03.exe
2F03.exe
3156.exe
3156.exe
34F1.dll
34F1.dll
E5D3.exe
E5D3.exe
Wffwew.tmp
28A6.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/392-201-0x0000000002700000-0x000000000280A000-memory.dmp
memory/392-202-0x0000000002A30000-0x0000000002AF8000-memory.dmp
memory/392-210-0x0000000002B00000-0x0000000002BB4000-memory.dmp
memory/392-209-0x0000000002920000-0x0000000002A2B000-memory.dmp
memory/392-168-0x0000000002700000-0x000000000280A000-memory.dmp
memory/392-176-0x0000000002920000-0x0000000002A2B000-memory.dmp
memory/428-299-0x0000018CDEBF0000-0x0000018CDED30000-memory.dmp
memory/428-298-0x0000018CDEBF0000-0x0000018CDED30000-memory.dmp
memory/1504-136-0x0000000000400000-0x000000000084A000-memory.dmp
memory/1504-135-0x0000000000A29000-0x0000000000A3F000-memory.dmp
memory/1504-134-0x0000000000400000-0x000000000084A000-memory.dmp
memory/1504-133-0x00000000009A0000-0x00000000009A9000-memory.dmp
memory/1504-132-0x0000000000A29000-0x0000000000A3F000-memory.dmp
memory/1648-179-0x0000000000400000-0x000000000084A000-memory.dmp
memory/1648-182-0x0000000000AC9000-0x0000000000ADF000-memory.dmp
memory/1648-188-0x0000000000400000-0x000000000084A000-memory.dmp
memory/1648-178-0x00000000008C0000-0x00000000008C9000-memory.dmp
memory/1940-165-0x0000000006330000-0x00000000063C2000-memory.dmp
memory/1940-166-0x0000000006980000-0x0000000006F24000-memory.dmp
memory/1940-167-0x0000000006400000-0x0000000006422000-memory.dmp
memory/1940-149-0x0000000000E20000-0x0000000000E3A000-memory.dmp
memory/3264-163-0x0000000000B90000-0x0000000000BFB000-memory.dmp
memory/3264-162-0x0000000000E00000-0x0000000000E75000-memory.dmp
memory/3264-180-0x0000000000B90000-0x0000000000BFB000-memory.dmp
memory/3368-187-0x0000000000400000-0x000000000084A000-memory.dmp
memory/3368-185-0x0000000000C09000-0x0000000000C1F000-memory.dmp
memory/3368-186-0x0000000002440000-0x0000000002449000-memory.dmp
memory/3408-296-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/3408-289-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/3408-293-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/3408-290-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/3408-295-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/3408-294-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/3408-291-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/3408-292-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/4328-181-0x0000000002EC9000-0x0000000002EDF000-memory.dmp
memory/4328-184-0x0000000000400000-0x0000000002C39000-memory.dmp
memory/4864-169-0x0000000002DD4000-0x0000000002E66000-memory.dmp
memory/4864-170-0x0000000004970000-0x0000000004A8B000-memory.dmp
memory/7088-164-0x0000000000F70000-0x0000000000F7C000-memory.dmp
memory/27048-215-0x0000000000400000-0x0000000000537000-memory.dmp
memory/27048-174-0x0000000000400000-0x0000000000537000-memory.dmp
memory/27048-172-0x0000000000400000-0x0000000000537000-memory.dmp
memory/27048-208-0x0000000000400000-0x0000000000537000-memory.dmp
memory/27048-177-0x0000000000400000-0x0000000000537000-memory.dmp
memory/27048-175-0x0000000000400000-0x0000000000537000-memory.dmp
memory/51204-217-0x0000000006650000-0x000000000666A000-memory.dmp
memory/51204-193-0x0000000005B10000-0x0000000005B76000-memory.dmp
memory/51204-216-0x00000000077A0000-0x0000000007E1A000-memory.dmp
memory/51204-189-0x0000000002840000-0x0000000002876000-memory.dmp
memory/51204-190-0x0000000005470000-0x0000000005A98000-memory.dmp
memory/51204-205-0x0000000006150000-0x000000000616E000-memory.dmp
memory/51204-192-0x0000000005AA0000-0x0000000005B06000-memory.dmp
memory/84980-224-0x0000000006D00000-0x0000000006EC2000-memory.dmp
memory/84980-204-0x0000000005A20000-0x0000000005B2A000-memory.dmp
memory/84980-229-0x0000000009170000-0x000000000969C000-memory.dmp
memory/84980-206-0x0000000005950000-0x0000000005962000-memory.dmp
memory/84980-195-0x0000000000400000-0x0000000000460000-memory.dmp
memory/84980-203-0x0000000005EE0000-0x00000000064F8000-memory.dmp
memory/84980-207-0x00000000059B0000-0x00000000059EC000-memory.dmp
memory/85220-222-0x00000000048FE000-0x0000000004990000-memory.dmp
memory/85336-223-0x0000000000400000-0x0000000000537000-memory.dmp
memory/85336-221-0x0000000000400000-0x0000000000537000-memory.dmp
memory/85336-249-0x0000000000400000-0x0000000000537000-memory.dmp
memory/85336-230-0x0000000000400000-0x0000000000537000-memory.dmp
memory/85472-237-0x0000000000868000-0x0000000000895000-memory.dmp
memory/85472-239-0x0000000000770000-0x00000000007C9000-memory.dmp
memory/85508-240-0x0000000000400000-0x000000000046E000-memory.dmp
memory/85508-235-0x0000000000400000-0x000000000046E000-memory.dmp
memory/85508-238-0x0000000000400000-0x000000000046E000-memory.dmp
memory/85508-251-0x0000000000400000-0x000000000046E000-memory.dmp
memory/85508-241-0x0000000000400000-0x000000000046E000-memory.dmp
memory/85792-253-0x0000000000400000-0x0000000000428000-memory.dmp
memory/85852-277-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/85852-281-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/85852-276-0x0000000003280000-0x0000000003DE0000-memory.dmp
memory/85852-272-0x0000000000400000-0x0000000000957000-memory.dmp
memory/85852-278-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/85852-279-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/85852-280-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/85852-261-0x0000000000400000-0x0000000000957000-memory.dmp
memory/85852-282-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/85852-284-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/85852-283-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/85852-258-0x0000000000400000-0x0000000000957000-memory.dmp
memory/85852-274-0x0000000003280000-0x0000000003DE0000-memory.dmp
memory/85852-259-0x000000000266E000-0x0000000002790000-memory.dmp
memory/85852-260-0x00000000027A0000-0x0000000002A6C000-memory.dmp
memory/85944-269-0x0000000000870000-0x0000000000874000-memory.dmp
memory/85944-264-0x0000000000820000-0x0000000000824000-memory.dmp
memory/85944-265-0x0000000000830000-0x0000000000834000-memory.dmp
memory/85944-263-0x0000000000810000-0x0000000000814000-memory.dmp
memory/85944-266-0x0000000000840000-0x0000000000844000-memory.dmp
memory/85944-267-0x0000000000850000-0x0000000000854000-memory.dmp
memory/85944-268-0x0000000000860000-0x0000000000864000-memory.dmp
memory/85944-270-0x0000000000880000-0x0000000000884000-memory.dmp
memory/85944-271-0x0000000000880000-0x0000000000884000-memory.dmp