Malware Analysis Report

2025-01-03 07:46

Sample ID 230422-bvzlcabe85
Target 6762bbcbc3e23a6006e8dbe978b8b85d.bin
SHA256 d85f8012ae2bd3aa07e73fc7967891eec06562d90968a0f8589eac232bc8d014
Tags
blustealer collection stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d85f8012ae2bd3aa07e73fc7967891eec06562d90968a0f8589eac232bc8d014

Threat Level: Known bad

The file 6762bbcbc3e23a6006e8dbe978b8b85d.bin was found to be: Known bad.

Malicious Activity Summary

blustealer collection stealer

BluStealer

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Script User-Agent

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-22 01:28

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-22 01:28

Reported

2023-04-22 01:31

Platform

win7-20230220-en

Max time kernel

65s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe"

Signatures

BluStealer

stealer blustealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1968 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 1968 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 1968 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 1968 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 1968 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 1968 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 1968 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 1968 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 1968 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 320 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 320 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 320 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 320 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 320 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 320 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 320 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 320 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 320 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe

"C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe"

C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe

"C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Network

N/A

Files

memory/1968-54-0x0000000000E60000-0x0000000000F3C000-memory.dmp

memory/1968-55-0x0000000004E80000-0x0000000004EC0000-memory.dmp

memory/1968-56-0x0000000000540000-0x0000000000554000-memory.dmp

memory/1968-57-0x0000000004E80000-0x0000000004EC0000-memory.dmp

memory/1968-58-0x0000000000640000-0x000000000064C000-memory.dmp

memory/1968-59-0x0000000006140000-0x00000000061EC000-memory.dmp

memory/1968-60-0x0000000004880000-0x00000000048F6000-memory.dmp

memory/320-61-0x0000000000400000-0x000000000046E000-memory.dmp

memory/320-62-0x0000000000400000-0x000000000046E000-memory.dmp

memory/320-63-0x0000000000400000-0x000000000046E000-memory.dmp

memory/320-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/320-66-0x0000000000400000-0x000000000046E000-memory.dmp

memory/320-68-0x0000000000400000-0x000000000046E000-memory.dmp

memory/320-71-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1672-72-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1672-73-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1672-74-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1672-76-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1672-78-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1672-79-0x00000000044F0000-0x00000000045AC000-memory.dmp

memory/320-80-0x0000000000400000-0x000000000046E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-22 01:28

Reported

2023-04-22 01:31

Platform

win10v2004-20230220-en

Max time kernel

144s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe"

Signatures

BluStealer

stealer blustealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Enumerates physical storage devices

Script User-Agent

Description Indicator Process Target
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3776 wrote to memory of 4260 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 3776 wrote to memory of 4260 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 3776 wrote to memory of 4260 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 3776 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 3776 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 3776 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 3776 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 3776 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 3776 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 3776 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 3776 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe
PID 4040 wrote to memory of 4320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4040 wrote to memory of 4320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4040 wrote to memory of 4320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4040 wrote to memory of 4320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4040 wrote to memory of 4320 N/A C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe

"C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe"

C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe

"C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe"

C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe

"C:\Users\Admin\AppData\Local\Temp\7042b9a81eaf1ddd3de522f40e80a915e0e44c6843320013daaa8ee2a842a9e2.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 13.89.179.10:443 tcp
NL 173.223.113.164:443 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 23.249.124.192.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

memory/3776-133-0x0000000000E00000-0x0000000000EDC000-memory.dmp

memory/3776-134-0x0000000005EA0000-0x0000000006444000-memory.dmp

memory/3776-135-0x00000000058F0000-0x0000000005982000-memory.dmp

memory/3776-136-0x0000000003440000-0x0000000003450000-memory.dmp

memory/3776-137-0x0000000003430000-0x000000000343A000-memory.dmp

memory/3776-138-0x0000000003440000-0x0000000003450000-memory.dmp

memory/3776-139-0x0000000008A90000-0x0000000008B2C000-memory.dmp

memory/4040-140-0x0000000000400000-0x000000000046E000-memory.dmp

memory/4040-143-0x0000000000400000-0x000000000046E000-memory.dmp

memory/4320-146-0x0000000000D00000-0x0000000000D66000-memory.dmp

memory/4040-148-0x0000000000400000-0x000000000046E000-memory.dmp