Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
04/11/2022, 00:32
General
- Target file.exe
- Size 182KB
- Sample221104-avmfcabcgj
- SHA256 fcff4330f759bc0f3832059a4885af0b05ae17ea08258dd2983b69e3494bc04a
Malware Config
Extracted
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djvu
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http://fresherlights.com/lancer/get.php
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extension
.bozq
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offline_id
oHp5e4SJxdFtxfvKYmeX06F4C5cn0EcsF5Ak9Wt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
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ransomnote
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Extracted
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redline
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mario23_10
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167.235.252.160:10642
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auth_value
eca57cfb5172f71dc45986763bb98942
Signatures
- Detected Djvu ransomware 10 IoCs
- Detects Smokeloader packer 2 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 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 16 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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.
- Uses the VBS compiler for execution 1 TTPs
- 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 6 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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 48 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\DC0D.exeC:\Users\Admin\AppData\Local\Temp\DC0D.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 12562⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\DD94.exeC:\Users\Admin\AppData\Local\Temp\DD94.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DD94.exeC:\Users\Admin\AppData\Local\Temp\DD94.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\911ab7a0-064f-4091-81b4-ad989ca53c85" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\DD94.exe"C:\Users\Admin\AppData\Local\Temp\DD94.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\DD94.exe"C:\Users\Admin\AppData\Local\Temp\DD94.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\bfa6f94c-177c-4e28-b81d-fa63dcb1491b\build2.exe"C:\Users\Admin\AppData\Local\bfa6f94c-177c-4e28-b81d-fa63dcb1491b\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\bfa6f94c-177c-4e28-b81d-fa63dcb1491b\build2.exe"C:\Users\Admin\AppData\Local\bfa6f94c-177c-4e28-b81d-fa63dcb1491b\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\bfa6f94c-177c-4e28-b81d-fa63dcb1491b\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\bfa6f94c-177c-4e28-b81d-fa63dcb1491b\build3.exe"C:\Users\Admin\AppData\Local\bfa6f94c-177c-4e28-b81d-fa63dcb1491b\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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C:\Users\Admin\AppData\Local\Temp\DF89.exeC:\Users\Admin\AppData\Local\Temp\DF89.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 2484 -s 697522⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\E20B.exeC:\Users\Admin\AppData\Local\Temp\E20B.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\E613.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\E613.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 444 -p 2484 -ip 24841⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4060 -ip 40601⤵
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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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C:\Users\Admin\AppData\Local\Temp\184B.exeC:\Users\Admin\AppData\Local\Temp\184B.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\1B88.exeC:\Users\Admin\AppData\Local\Temp\1B88.exe1⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Roaming\CsEKSsCbCSUHsBFKUscCEESFBsSFkFUHCCUBfbUSAHShSSfKSchFBse.exe"C:\Users\Admin\AppData\Roaming\CsEKSsCbCSUHsBFKUscCEESFBsSFkFUHCCUBfbUSAHShSSfKSchFBse.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2333.tmp.bat""3⤵
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C:\Windows\system32\timeout.exetimeout 34⤵
- Delays execution with timeout.exe
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C:\ProgramData\GhubSoftWalletTrust\LYKAA.exe"C:\ProgramData\GhubSoftWalletTrust\LYKAA.exe"4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "LYKAA" /tr "C:\ProgramData\GhubSoftWalletTrust\LYKAA.exe"5⤵
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "LYKAA" /tr "C:\ProgramData\GhubSoftWalletTrust\LYKAA.exe"6⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -a verus -o stratum+tcp://na.luckpool.net:3956 -u RKsS6XcgidDNc8rU38Yiv5STQutyMUu9A4.installs001 -p x -t 65⤵
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c cls6⤵
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C:\Users\Admin\AppData\Local\Temp\5E4F.exeC:\Users\Admin\AppData\Local\Temp\5E4F.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe2⤵
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C:\Windows\system32\cmd.execmd.exe /c "del C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe"3⤵
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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⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
LYKAA.exe
LYKAA.exe
mozglue.dll
nss3.dll
sqlite3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
DD94.exe
184B.exe
184B.exe
1B88.exe
1B88.exe
5E4F.exe
5E4F.exe
DC0D.exe
DC0D.exe
DD94.exe
DD94.exe
DD94.exe
DD94.exe
DD94.exe
DF89.exe
DF89.exe
E20B.exe
E20B.exe
E613.dll
E613.dll
tmp2333.tmp.bat
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
CsEKSsCbCSUHsBFKUscCEESFBsSFkFUHCCUBfbUSAHShSSfKSchFBse.exe
CsEKSsCbCSUHsBFKUscCEESFBsSFkFUHCCUBfbUSAHShSSfKSchFBse.exe
mstsca.exe
mstsca.exe
memory/112-150-0x0000000002380000-0x000000000249B000-memory.dmp
memory/112-149-0x00000000022E8000-0x0000000002379000-memory.dmp
memory/232-282-0x0000000140000000-0x00000001400C6000-memory.dmp
memory/232-264-0x0000000140000000-0x00000001400C6000-memory.dmp
memory/232-270-0x0000000140000000-0x00000001400C6000-memory.dmp
memory/232-267-0x0000000140000000-0x00000001400C6000-memory.dmp
memory/232-266-0x0000000140000000-0x00000001400C6000-memory.dmp
memory/1104-134-0x0000000000400000-0x0000000000588000-memory.dmp
memory/1104-132-0x00000000006FD000-0x000000000070E000-memory.dmp
memory/1104-133-0x0000000002180000-0x0000000002189000-memory.dmp
memory/1104-135-0x0000000000400000-0x0000000000588000-memory.dmp
memory/1232-253-0x00007FFE52BB0000-0x00007FFE53671000-memory.dmp
memory/1232-257-0x00007FFE52BB0000-0x00007FFE53671000-memory.dmp
memory/1232-251-0x00000000001C0000-0x0000000000296000-memory.dmp
memory/1368-191-0x0000000000400000-0x0000000000588000-memory.dmp
memory/1368-168-0x0000000000400000-0x0000000000588000-memory.dmp
memory/1368-173-0x000000000086D000-0x000000000087D000-memory.dmp
memory/1368-174-0x0000000000690000-0x0000000000699000-memory.dmp
memory/2968-246-0x0000000000C70000-0x0000000000D90000-memory.dmp
memory/2968-247-0x00007FFE52BB0000-0x00007FFE53671000-memory.dmp
memory/2968-252-0x00007FFE52BB0000-0x00007FFE53671000-memory.dmp
memory/4060-165-0x0000000000400000-0x0000000002C53000-memory.dmp
memory/4060-172-0x0000000007230000-0x00000000072C2000-memory.dmp
memory/4060-175-0x0000000007B60000-0x0000000008178000-memory.dmp
memory/4060-176-0x0000000007980000-0x0000000007A8A000-memory.dmp
memory/4060-163-0x00000000048A0000-0x00000000048DE000-memory.dmp
memory/4060-179-0x0000000007AB0000-0x0000000007AC2000-memory.dmp
memory/4060-184-0x0000000007AD0000-0x0000000007B0C000-memory.dmp
memory/4060-169-0x0000000007300000-0x00000000078A4000-memory.dmp
memory/4060-167-0x0000000002DD9000-0x0000000002E0A000-memory.dmp
memory/4060-210-0x0000000002DD9000-0x0000000002E0A000-memory.dmp
memory/4060-208-0x0000000000400000-0x0000000002C53000-memory.dmp
memory/4060-207-0x00000000083F0000-0x0000000008456000-memory.dmp
memory/4060-229-0x0000000000400000-0x0000000002C53000-memory.dmp
memory/4060-228-0x0000000002DD9000-0x0000000002E0A000-memory.dmp
memory/4632-156-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4632-148-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4632-146-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4632-151-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4632-196-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4656-269-0x00007FFE52BB0000-0x00007FFE53671000-memory.dmp
memory/4656-263-0x00007FFE52BB0000-0x00007FFE53671000-memory.dmp
memory/5272-274-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/5272-279-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/5272-276-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/5272-277-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/5272-278-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/5272-281-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/5436-284-0x00000000007F0000-0x00000000007F7000-memory.dmp
memory/5436-285-0x00000000007E0000-0x00000000007EB000-memory.dmp
memory/21460-161-0x0000000000900000-0x0000000000975000-memory.dmp
memory/21460-162-0x0000000000890000-0x00000000008FB000-memory.dmp
memory/21460-180-0x0000000000890000-0x00000000008FB000-memory.dmp
memory/22984-189-0x0000000003030000-0x00000000030E5000-memory.dmp
memory/22984-188-0x0000000003030000-0x00000000030E5000-memory.dmp
memory/22984-171-0x0000000002E60000-0x0000000002F54000-memory.dmp
memory/22984-187-0x0000000002F60000-0x0000000003027000-memory.dmp
memory/22984-192-0x0000000002E60000-0x0000000002F54000-memory.dmp
memory/22984-170-0x0000000002C60000-0x0000000002D54000-memory.dmp
memory/35584-166-0x0000000000D60000-0x0000000000D6C000-memory.dmp
memory/73260-215-0x000000000CE20000-0x000000000D34C000-memory.dmp
memory/73260-178-0x0000000000400000-0x0000000000460000-memory.dmp
memory/73260-214-0x000000000C720000-0x000000000C8E2000-memory.dmp
memory/73436-222-0x00000000021B0000-0x0000000002209000-memory.dmp
memory/73436-221-0x0000000000728000-0x0000000000755000-memory.dmp
memory/73448-219-0x0000000000400000-0x000000000046E000-memory.dmp
memory/73448-220-0x0000000000400000-0x000000000046E000-memory.dmp
memory/73448-238-0x0000000000400000-0x000000000046E000-memory.dmp
memory/73448-217-0x0000000000400000-0x000000000046E000-memory.dmp
memory/73448-223-0x0000000000400000-0x000000000046E000-memory.dmp
memory/73516-198-0x0000000002286000-0x0000000002317000-memory.dmp
memory/73616-202-0x0000000000400000-0x0000000000537000-memory.dmp
memory/73616-201-0x0000000000400000-0x0000000000537000-memory.dmp
memory/73616-209-0x0000000000400000-0x0000000000537000-memory.dmp
memory/73616-233-0x0000000000400000-0x0000000000537000-memory.dmp