Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
07/01/2023, 09:11
General
- Target b474d30039b51a5fd11deda319dde90d.exe
- Size 307KB
- Sample230107-k5la5sgf2t
- SHA256 3b3ad2db486dc73af2b977d5823f21248bdd533b5b4c8ebfc5f4363feb627ef3
Malware Config
Extracted
-
amadey
-
3.65
-
77.73.134.27/8bmdh3Slb2/index.php
Extracted
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djvu
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http://spaceris.com/lancer/get.php
-
extension
.bpto
-
offline_id
pu5TgkFNAS5fWQ2rCzdamsmMrE5wSlTupdTI0pt1
-
payload_url
http://uaery.top/dl/build2.exe
http://spaceris.com/files/1/build3.exe
-
ransomnote
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Extracted
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vidar
-
1.8
-
19
-
https://t.me/year2023start
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https://steamcommunity.com/profiles/76561199467421923
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profile_id
19
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detected Djvu ransomware 10 IoCs
- Detects Smokeloader packer 2 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 22 IoCs
- VMProtect packed file 6 IoCs
Detects executables packed with VMProtect commercial packer.
- Checks computer location settings 2 TTPs 8 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 7 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 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 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 5 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 20 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 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 4 IoCs
- Modifies registry class 30 IoCs
- Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b474d30039b51a5fd11deda319dde90d.exe"C:\Users\Admin\AppData\Local\Temp\b474d30039b51a5fd11deda319dde90d.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\5B7E.exeC:\Users\Admin\AppData\Local\Temp\5B7E.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 3642⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\5CD6.exeC:\Users\Admin\AppData\Local\Temp\5CD6.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\5E3F.exeC:\Users\Admin\AppData\Local\Temp\5E3F.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5E3F.exeC:\Users\Admin\AppData\Local\Temp\5E3F.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\fefb7108-f622-40bb-b01a-6cf86e8c0a99" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\5E3F.exe"C:\Users\Admin\AppData\Local\Temp\5E3F.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\Temp\5E3F.exe"C:\Users\Admin\AppData\Local\Temp\5E3F.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Local\53820820-8e90-40e0-9b96-6b4cf8b9deb9\build2.exe"C:\Users\Admin\AppData\Local\53820820-8e90-40e0-9b96-6b4cf8b9deb9\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\53820820-8e90-40e0-9b96-6b4cf8b9deb9\build2.exe"C:\Users\Admin\AppData\Local\53820820-8e90-40e0-9b96-6b4cf8b9deb9\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\53820820-8e90-40e0-9b96-6b4cf8b9deb9\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\53820820-8e90-40e0-9b96-6b4cf8b9deb9\build3.exe"C:\Users\Admin\AppData\Local\53820820-8e90-40e0-9b96-6b4cf8b9deb9\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\6AA4.exeC:\Users\Admin\AppData\Local\Temp\6AA4.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\6F67.exeC:\Users\Admin\AppData\Local\Temp\6F67.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\7B20.exeC:\Users\Admin\AppData\Local\Temp\7B20.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3003.exe"C:\Users\Admin\AppData\Local\Temp\3003.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3003.exe"C:\Users\Admin\AppData\Local\Temp\3003.exe" -h3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\Player3.exe"C:\Users\Admin\AppData\Local\Temp\Player3.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe"C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN nbveek.exe /TR "C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe" /F4⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "nbveek.exe" /P "Admin:N"&&CACLS "nbveek.exe" /P "Admin:R" /E&&echo Y|CACLS "..\16de06bfb4" /P "Admin:N"&&CACLS "..\16de06bfb4" /P "Admin:R" /E&&Exit4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "nbveek.exe" /P "Admin:N"5⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "nbveek.exe" /P "Admin:R" /E5⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "..\16de06bfb4" /P "Admin:N"5⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "..\16de06bfb4" /P "Admin:R" /E5⤵
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll, Main4⤵
- Loads dropped DLL
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C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll, Main5⤵
- Loads dropped DLL
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4992 -s 6886⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\7D25.exeC:\Users\Admin\AppData\Local\Temp\7D25.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7D25.exe"C:\Users\Admin\AppData\Local\Temp\7D25.exe" -h2⤵
- Executes dropped EXE
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C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open2⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 6083⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2256 -ip 22561⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4172 -ip 41721⤵
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C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open1⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open2⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 6003⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3052 -ip 30521⤵
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C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exeC:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\1724.exeC:\Users\Admin\AppData\Local\Temp\1724.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Wtfoiq.tmp",Iyidwoiowsw2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 156113⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 5562⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4144 -ip 41441⤵
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 580 -p 4992 -ip 49921⤵
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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\Local\Temp\16de06bfb4\nbveek.exeC:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe1⤵
- Executes dropped EXE
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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
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Downloads
mozglue.dll
nss3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
nbveek.exe
nbveek.exe
nbveek.exe
nbveek.exe
1724.exe
1724.exe
3003.exe
3003.exe
3003.exe
5B7E.exe
5B7E.exe
5CD6.exe
5CD6.exe
5E3F.exe
5E3F.exe
5E3F.exe
5E3F.exe
5E3F.exe
6AA4.exe
6AA4.exe
6F67.exe
6F67.exe
7B20.exe
7B20.exe
7D25.exe
7D25.exe
7D25.exe
Player3.exe
Player3.exe
Wtfoiq.tmp
Wtfoiq.tmp
db.dat
db.dat
db.dll
db.dll
db.dll
db.dll
5E3F.exe
cred64.dll
cred64.dll
cred64.dll
mstsca.exe
mstsca.exe
memory/740-198-0x0000000000400000-0x0000000002C40000-memory.dmp
memory/740-193-0x0000000002E67000-0x0000000002E7C000-memory.dmp
memory/740-196-0x0000000002CB0000-0x0000000002CB9000-memory.dmp
memory/740-213-0x0000000000400000-0x0000000002C40000-memory.dmp
memory/1536-219-0x000000000482B000-0x00000000048BC000-memory.dmp
memory/2256-199-0x000000000320D000-0x0000000003223000-memory.dmp
memory/2256-202-0x0000000000400000-0x0000000003013000-memory.dmp
memory/2256-225-0x0000000000400000-0x0000000003013000-memory.dmp
memory/2296-292-0x000001E1548C0000-0x000001E154A00000-memory.dmp
memory/2296-295-0x000001E152FF0000-0x000001E1532A2000-memory.dmp
memory/2296-294-0x0000000000B20000-0x0000000000DC1000-memory.dmp
memory/2296-293-0x000001E1548C0000-0x000001E154A00000-memory.dmp
memory/2988-194-0x0000000004A30000-0x0000000004B4B000-memory.dmp
memory/2988-192-0x0000000002E62000-0x0000000002EF3000-memory.dmp
memory/3100-163-0x0000000000780000-0x00000000007E6000-memory.dmp
memory/4016-238-0x00000000004B8000-0x00000000004E6000-memory.dmp
memory/4016-240-0x0000000001F70000-0x0000000001FBC000-memory.dmp
memory/4144-272-0x0000000004F30000-0x0000000005045000-memory.dmp
memory/4144-271-0x0000000004D62000-0x0000000004E36000-memory.dmp
memory/4144-273-0x0000000000400000-0x00000000030D2000-memory.dmp
memory/4256-218-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4256-220-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4256-242-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4256-226-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4360-148-0x0000000140000000-0x000000014061A000-memory.dmp
memory/4484-290-0x0000000004D79000-0x0000000004D7B000-memory.dmp
memory/4484-288-0x0000000004D00000-0x0000000004E40000-memory.dmp
memory/4484-296-0x0000000006A10000-0x0000000007551000-memory.dmp
memory/4484-289-0x0000000004D00000-0x0000000004E40000-memory.dmp
memory/4484-287-0x0000000004D00000-0x0000000004E40000-memory.dmp
memory/4484-286-0x0000000004D00000-0x0000000004E40000-memory.dmp
memory/4484-285-0x0000000004D00000-0x0000000004E40000-memory.dmp
memory/4484-284-0x0000000004D00000-0x0000000004E40000-memory.dmp
memory/4484-283-0x0000000006A10000-0x0000000007551000-memory.dmp
memory/4484-282-0x0000000006A10000-0x0000000007551000-memory.dmp
memory/4752-208-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4752-195-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4752-189-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4752-191-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4752-211-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4844-135-0x0000000000400000-0x0000000003010000-memory.dmp
memory/4844-134-0x0000000000400000-0x0000000003010000-memory.dmp
memory/4844-133-0x0000000003080000-0x0000000003089000-memory.dmp
memory/4844-132-0x000000000323D000-0x0000000003252000-memory.dmp
memory/5096-235-0x0000000000400000-0x0000000000460000-memory.dmp
memory/5096-246-0x00000000509B0000-0x0000000050A42000-memory.dmp
memory/5096-267-0x0000000000400000-0x0000000000460000-memory.dmp
memory/5096-241-0x0000000000400000-0x0000000000460000-memory.dmp
memory/5096-237-0x0000000000400000-0x0000000000460000-memory.dmp
memory/5096-239-0x0000000000400000-0x0000000000460000-memory.dmp
memory/5096-275-0x0000000000400000-0x0000000000460000-memory.dmp
memory/5112-155-0x0000000140000000-0x000000014061A000-memory.dmp