Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
22/10/2022, 09:21
General
- Target c711a4092dc474788a809a2a04817d47.exe
- Size 223KB
- Sample221022-lbb12scae6
- SHA256 6c4bfe7d6dd839ef18e8727ed15f19e8cd15294e988c1109a886458440907310
Malware Config
Extracted
-
djvu
-
http://winnlinne.com/lancer/get.php
-
extension
.tury
-
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
-
payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
-
ransomnote
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Extracted
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vidar
-
55.1
-
517
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https://t.me/tg_privatetalk
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https://nerdculture.de/@yixehi33
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profile_id
517
Extracted
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redline
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nam7
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103.89.90.61:34589
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auth_value
533c8fbdab4382453812c73ea2cee5b8
Extracted
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redline
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Google2
-
167.235.71.14:20469
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auth_value
fb274d9691235ba015830da570a13578
Extracted
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redline
-
slovarikinstalls
-
78.153.144.3:2510
-
auth_value
5f80b2ec82e3bd02a08a3a55d3180551
Extracted
-
redline
-
Morn
-
89.208.106.66:4691
-
auth_value
c5df9909d595d1c2590335eb40f0e743
Signatures
- Detected Djvu ransomware 10 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 9 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Downloads MZ/PE file
- Executes dropped EXE 18 IoCs
- Checks computer location settings 2 TTPs 5 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 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.
- 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 2 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
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 24 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c711a4092dc474788a809a2a04817d47.exe"C:\Users\Admin\AppData\Local\Temp\c711a4092dc474788a809a2a04817d47.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\565D.exeC:\Users\Admin\AppData\Local\Temp\565D.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\565D.exeC:\Users\Admin\AppData\Local\Temp\565D.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\d6c1b1aa-d9a5-4a25-a32c-baa53baa0236" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
-
C:\Users\Admin\AppData\Local\Temp\565D.exe"C:\Users\Admin\AppData\Local\Temp\565D.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\565D.exe"C:\Users\Admin\AppData\Local\Temp\565D.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\45c22819-81c0-497c-a631-c4df8b5f9959\build2.exe"C:\Users\Admin\AppData\Local\45c22819-81c0-497c-a631-c4df8b5f9959\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\45c22819-81c0-497c-a631-c4df8b5f9959\build2.exe"C:\Users\Admin\AppData\Local\45c22819-81c0-497c-a631-c4df8b5f9959\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\45c22819-81c0-497c-a631-c4df8b5f9959\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\45c22819-81c0-497c-a631-c4df8b5f9959\build3.exe"C:\Users\Admin\AppData\Local\45c22819-81c0-497c-a631-c4df8b5f9959\build3.exe"5⤵
- 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"6⤵
- Creates scheduled task(s)
-
-
-
-
-
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C:\Users\Admin\AppData\Local\Temp\57F4.exeC:\Users\Admin\AppData\Local\Temp\57F4.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\59BB.exeC:\Users\Admin\AppData\Local\Temp\59BB.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 3402⤵
- Program crash
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-
C:\Users\Admin\AppData\Local\Temp\5B33.exeC:\Users\Admin\AppData\Local\Temp\5B33.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 3402⤵
- Program crash
-
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\5E7F.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\5E7F.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 460 -p 3748 -ip 37481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3468 -ip 34681⤵
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C:\Users\Admin\AppData\Local\Temp\EDB1.exeC:\Users\Admin\AppData\Local\Temp\EDB1.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Local\Temp\EF86.exeC:\Users\Admin\AppData\Local\Temp\EF86.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Local\Temp\F1AA.exeC:\Users\Admin\AppData\Local\Temp\F1AA.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\F46A.exeC:\Users\Admin\AppData\Local\Temp\F46A.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXEC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA0AA==3⤵
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Local\Temp\Ktaxrajmvgkmarriageprocess_s.exe"C:\Users\Admin\AppData\Local\Temp\Ktaxrajmvgkmarriageprocess_s.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA0AA==4⤵
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-
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXEC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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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
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
RegSvcs.exe.log
SETUP_~1.EXE.log
ModuleAnalysisCache
StartupProfileData-NonInteractive
565D.exe
565D.exe
565D.exe
565D.exe
565D.exe
57F4.exe
57F4.exe
59BB.exe
59BB.exe
5B33.exe
5B33.exe
5E7F.dll
5E7F.dll
EDB1.exe
EDB1.exe
EF86.exe
EF86.exe
F1AA.exe
F1AA.exe
F46A.exe
SETUP_~1.EXE
SETUP_~1.EXE
SETUP_~1.EXE
Ktaxrajmvgkmarriageprocess_s.exe
Ktaxrajmvgkmarriageprocess_s.exe
565D.exe
mstsca.exe
mstsca.exe
memory/624-181-0x0000000000400000-0x0000000000537000-memory.dmp
memory/624-171-0x0000000000400000-0x0000000000537000-memory.dmp
memory/624-173-0x0000000000400000-0x0000000000537000-memory.dmp
memory/624-175-0x0000000000400000-0x0000000000537000-memory.dmp
memory/624-174-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1016-207-0x0000000002240000-0x0000000002284000-memory.dmp
memory/1016-206-0x00000000007B2000-0x00000000007DA000-memory.dmp
memory/1352-322-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1756-254-0x00000000004D0000-0x00000000004D7000-memory.dmp
memory/1756-256-0x00000000004C0000-0x00000000004CB000-memory.dmp
memory/1924-244-0x0000000005580000-0x0000000005B98000-memory.dmp
memory/1924-284-0x0000000007030000-0x00000000070C2000-memory.dmp
memory/1924-224-0x0000000000570000-0x0000000000598000-memory.dmp
memory/1924-247-0x0000000005290000-0x00000000052A2000-memory.dmp
memory/2156-272-0x0000000000DA0000-0x0000000000DAC000-memory.dmp
memory/2156-269-0x0000000000DB0000-0x0000000000DB6000-memory.dmp
memory/2320-211-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2320-204-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2320-202-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2320-259-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2320-205-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2352-191-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2352-192-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2352-216-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2352-197-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2372-263-0x0000000000BB0000-0x0000000000BB5000-memory.dmp
memory/2372-264-0x0000000000BA0000-0x0000000000BA9000-memory.dmp
memory/2508-283-0x00000000089F0000-0x0000000008F94000-memory.dmp
memory/2508-251-0x0000000007840000-0x000000000787C000-memory.dmp
memory/2508-235-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2508-245-0x0000000007890000-0x000000000799A000-memory.dmp
memory/2508-279-0x00000000083D0000-0x0000000008436000-memory.dmp
memory/2520-190-0x0000000001F9B000-0x000000000202C000-memory.dmp
memory/2632-288-0x0000000000100000-0x000000000010D000-memory.dmp
memory/2632-287-0x0000000000110000-0x0000000000117000-memory.dmp
memory/2680-260-0x0000000000730000-0x0000000000739000-memory.dmp
memory/2680-261-0x0000000000720000-0x000000000072F000-memory.dmp
memory/3132-183-0x0000000003170000-0x0000000003222000-memory.dmp
memory/3132-160-0x0000000002D80000-0x0000000002E73000-memory.dmp
memory/3132-186-0x0000000002F80000-0x0000000003073000-memory.dmp
memory/3132-182-0x0000000003090000-0x0000000003158000-memory.dmp
memory/3132-161-0x0000000002F80000-0x0000000003073000-memory.dmp
memory/3468-167-0x0000000000400000-0x0000000002C26000-memory.dmp
memory/3468-168-0x0000000002C73000-0x0000000002C89000-memory.dmp
memory/3472-278-0x00000000007A0000-0x00000000007A9000-memory.dmp
memory/3472-276-0x00000000007B0000-0x00000000007B5000-memory.dmp
memory/3484-289-0x0000000000420000-0x000000000042B000-memory.dmp
memory/3484-291-0x0000000000430000-0x0000000000438000-memory.dmp
memory/3748-164-0x0000000003003000-0x0000000003019000-memory.dmp
memory/3748-166-0x0000000000400000-0x0000000002C26000-memory.dmp
memory/3748-165-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3904-225-0x0000000000450000-0x00000000004AC000-memory.dmp
memory/3904-233-0x0000000000450000-0x00000000004AC000-memory.dmp
memory/4032-156-0x00000000009B0000-0x00000000009BC000-memory.dmp
memory/4124-163-0x00000000021E0000-0x00000000022FB000-memory.dmp
memory/4124-169-0x0000000001FAD000-0x000000000203E000-memory.dmp
memory/4244-153-0x0000000000C80000-0x0000000000CF5000-memory.dmp
memory/4244-157-0x0000000000C10000-0x0000000000C7B000-memory.dmp
memory/4244-154-0x0000000000C10000-0x0000000000C7B000-memory.dmp
memory/4476-292-0x00000000025C0000-0x00000000025F6000-memory.dmp
memory/4728-273-0x0000000000190000-0x00000000001B2000-memory.dmp
memory/4728-275-0x0000000000160000-0x0000000000187000-memory.dmp
memory/4880-134-0x0000000000400000-0x0000000002C26000-memory.dmp
memory/4880-135-0x0000000000400000-0x0000000002C26000-memory.dmp
memory/4880-133-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4880-132-0x0000000002FB2000-0x0000000002FC7000-memory.dmp
memory/4908-252-0x0000000000E70000-0x0000000000ECC000-memory.dmp
memory/4908-258-0x0000000000E70000-0x0000000000ECC000-memory.dmp
memory/4936-242-0x0000000000980000-0x00000000009DC000-memory.dmp
memory/5024-159-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/5024-176-0x0000000000400000-0x0000000002C26000-memory.dmp
memory/5024-158-0x0000000002EA3000-0x0000000002EB9000-memory.dmp
memory/5024-162-0x0000000000400000-0x0000000002C26000-memory.dmp
memory/5056-270-0x00000000008C0000-0x00000000008C8000-memory.dmp
memory/5056-285-0x0000000006E60000-0x0000000006E82000-memory.dmp
memory/5068-248-0x0000000000400000-0x0000000000428000-memory.dmp
memory/5080-282-0x0000000000400000-0x000000000040B000-memory.dmp
memory/5080-281-0x0000000000410000-0x0000000000416000-memory.dmp