Malware Analysis Report

2025-08-05 15:31

Sample ID 240203-tqbmtsdcd8
Target RvcDownloader.exe
SHA256 604d490b9d5dfff01c9fceb085798c6b42f5778c9f125457be654dc4f436ab04
Tags
njrat persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

604d490b9d5dfff01c9fceb085798c6b42f5778c9f125457be654dc4f436ab04

Threat Level: Known bad

The file RvcDownloader.exe was found to be: Known bad.

Malicious Activity Summary

njrat persistence trojan

njRAT/Bladabindi

Drops startup file

Executes dropped EXE

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-03 16:15

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-03 16:15

Reported

2024-02-03 16:18

Platform

win10-20231215-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\RvcDownloader.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-721438792-2341338383-2410509276-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 2.tcp.eu.ngrok.io N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\RvcDownloader.exe

"C:\Users\Admin\AppData\Local\Temp\RvcDownloader.exe"

C:\Users\Admin\AppData\Local\Temp\Dllhost.exe

"C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe

C:\Users\Admin\AppData\Local\Temp\Server.exe

C:\Users\Admin\AppData\Local\Temp/Server.exe

C:\Users\Admin\AppData\Local\Temp\Server.exe

C:\Users\Admin\AppData\Local\Temp/Server.exe

C:\Users\Admin\AppData\Local\Temp\Server.exe

C:\Users\Admin\AppData\Local\Temp/Server.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 18.156.13.209:13538 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 209.13.156.18.in-addr.arpa udp
DE 18.156.13.209:13538 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/2124-0-0x0000000000040000-0x00000000003B4000-memory.dmp

memory/2124-1-0x0000000000040000-0x00000000003B4000-memory.dmp

memory/2124-2-0x0000000073250000-0x000000007393E000-memory.dmp

memory/2124-3-0x00000000054E0000-0x000000000557C000-memory.dmp

memory/2124-4-0x0000000003490000-0x00000000034A0000-memory.dmp

memory/2124-5-0x0000000005C80000-0x000000000617E000-memory.dmp

memory/2124-6-0x0000000005820000-0x00000000058B2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Dllhost.exe

MD5 7f6ce9a396cae9d375cb1a56de268b84
SHA1 4129cc4492f057cc2ec78c195c1badd7ab3d9c65
SHA256 604d490b9d5dfff01c9fceb085798c6b42f5778c9f125457be654dc4f436ab04
SHA512 e3cfe5afbde8b7889767cd9556ddbff2a3652ab139f06f02ec27cbd638d05604b3cbd5dcc2732a62750ced77d32eeab69b92e7eca38fe434121611c8775c314d

memory/4052-13-0x0000000000270000-0x00000000005E4000-memory.dmp

memory/2124-15-0x0000000000040000-0x00000000003B4000-memory.dmp

memory/4052-18-0x0000000073250000-0x000000007393E000-memory.dmp

memory/2124-17-0x0000000073250000-0x000000007393E000-memory.dmp

memory/4052-19-0x0000000000270000-0x00000000005E4000-memory.dmp

memory/4052-16-0x0000000000270000-0x00000000005E4000-memory.dmp

memory/4052-20-0x00000000055C0000-0x00000000055D0000-memory.dmp

memory/4052-24-0x0000000005710000-0x000000000571A000-memory.dmp

memory/4052-25-0x0000000005880000-0x00000000058E6000-memory.dmp

memory/4052-26-0x00000000066D0000-0x00000000066E8000-memory.dmp

memory/4052-28-0x0000000000270000-0x00000000005E4000-memory.dmp

memory/4052-31-0x0000000073250000-0x000000007393E000-memory.dmp

memory/3776-32-0x0000000000930000-0x0000000000CA4000-memory.dmp

memory/3776-34-0x0000000073250000-0x000000007393E000-memory.dmp

memory/4052-33-0x00000000055C0000-0x00000000055D0000-memory.dmp

memory/3776-35-0x0000000000930000-0x0000000000CA4000-memory.dmp

memory/3776-38-0x0000000000930000-0x0000000000CA4000-memory.dmp

memory/3776-39-0x0000000073250000-0x000000007393E000-memory.dmp

memory/4052-40-0x0000000006810000-0x000000000681A000-memory.dmp

memory/4616-47-0x0000000000930000-0x0000000000CA4000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log

MD5 0de4a673c46d192f575c41e7c80ffc3e
SHA1 7a1da7e8ec2efd904ecb237ebedd4d7a3ee826f1
SHA256 c18d0ff8e7b83a8623a8515d91d65f68deef6da9f68d84886864177f45acbf65
SHA512 b505619848b2f6038e68a2d7baaa4cf314d39023a5b7a32001262ecda03a905986ac8a45a249745e29637b0acfaba1ae06bfaecc678283a808e6f9f4b455e209

memory/4616-50-0x0000000073250000-0x000000007393E000-memory.dmp

memory/4616-51-0x0000000000930000-0x0000000000CA4000-memory.dmp

memory/4616-52-0x0000000000930000-0x0000000000CA4000-memory.dmp

memory/4616-53-0x0000000003080000-0x0000000003090000-memory.dmp

memory/4616-55-0x0000000000930000-0x0000000000CA4000-memory.dmp

memory/4616-56-0x0000000073250000-0x000000007393E000-memory.dmp

memory/2892-64-0x0000000000930000-0x0000000000CA4000-memory.dmp

memory/2892-65-0x0000000073250000-0x000000007393E000-memory.dmp

memory/2892-66-0x0000000000930000-0x0000000000CA4000-memory.dmp

memory/2892-67-0x0000000000930000-0x0000000000CA4000-memory.dmp

memory/2892-68-0x0000000005270000-0x0000000005280000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-03 16:15

Reported

2024-02-03 16:18

Platform

win10v2004-20231215-en

Max time kernel

157s

Max time network

164s

Command Line

"C:\Users\Admin\AppData\Local\Temp\RvcDownloader.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\RvcDownloader.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 2.tcp.eu.ngrok.io N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\RvcDownloader.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Dllhost.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Server.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\RvcDownloader.exe

"C:\Users\Admin\AppData\Local\Temp\RvcDownloader.exe"

C:\Users\Admin\AppData\Local\Temp\Dllhost.exe

"C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService

C:\Users\Admin\AppData\Local\Temp\Server.exe

C:\Users\Admin\AppData\Local\Temp/Server.exe

C:\Users\Admin\AppData\Local\Temp\Server.exe

C:\Users\Admin\AppData\Local\Temp/Server.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 3.127.138.57:13538 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 57.138.127.3.in-addr.arpa udp
DE 3.127.138.57:13538 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 201.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 cxcs.microsoft.net udp
GB 92.123.128.164:443 www.bing.com tcp
GB 23.214.133.66:443 cxcs.microsoft.net tcp
US 8.8.8.8:53 66.133.214.23.in-addr.arpa udp
US 8.8.8.8:53 164.128.123.92.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 172.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp

Files

memory/2568-0-0x0000000000A40000-0x0000000000DB4000-memory.dmp

memory/2568-1-0x0000000073DA0000-0x0000000074550000-memory.dmp

memory/2568-2-0x0000000000A40000-0x0000000000DB4000-memory.dmp

memory/2568-3-0x0000000006000000-0x000000000609C000-memory.dmp

memory/2568-5-0x0000000003C50000-0x0000000003C60000-memory.dmp

memory/2568-6-0x0000000003C50000-0x0000000003C60000-memory.dmp

memory/2568-7-0x00000000068A0000-0x0000000006E44000-memory.dmp

memory/2568-8-0x00000000063F0000-0x0000000006482000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Dllhost.exe

MD5 7f6ce9a396cae9d375cb1a56de268b84
SHA1 4129cc4492f057cc2ec78c195c1badd7ab3d9c65
SHA256 604d490b9d5dfff01c9fceb085798c6b42f5778c9f125457be654dc4f436ab04
SHA512 e3cfe5afbde8b7889767cd9556ddbff2a3652ab139f06f02ec27cbd638d05604b3cbd5dcc2732a62750ced77d32eeab69b92e7eca38fe434121611c8775c314d

memory/2544-17-0x0000000000A30000-0x0000000000DA4000-memory.dmp

memory/2568-20-0x0000000000A40000-0x0000000000DB4000-memory.dmp

memory/2544-21-0x0000000000A30000-0x0000000000DA4000-memory.dmp

memory/2568-23-0x0000000073DA0000-0x0000000074550000-memory.dmp

memory/2544-22-0x0000000073DA0000-0x0000000074550000-memory.dmp

memory/2544-24-0x00000000060B0000-0x00000000060C0000-memory.dmp

memory/2544-29-0x0000000000A30000-0x0000000000DA4000-memory.dmp

memory/2544-30-0x0000000005F00000-0x0000000005F0A000-memory.dmp

memory/2544-31-0x0000000006400000-0x0000000006466000-memory.dmp

memory/2544-32-0x0000000007300000-0x0000000007318000-memory.dmp

memory/2544-33-0x0000000073DA0000-0x0000000074550000-memory.dmp

memory/2544-34-0x00000000060B0000-0x00000000060C0000-memory.dmp

memory/2544-36-0x0000000007530000-0x000000000753A000-memory.dmp

memory/3084-41-0x0000000000540000-0x00000000008B4000-memory.dmp

memory/3084-43-0x0000000073DA0000-0x0000000074550000-memory.dmp

memory/3084-44-0x0000000000540000-0x00000000008B4000-memory.dmp

memory/3084-45-0x0000000005850000-0x0000000005860000-memory.dmp

memory/3084-49-0x0000000000540000-0x00000000008B4000-memory.dmp

memory/3084-50-0x0000000073DA0000-0x0000000074550000-memory.dmp

memory/4868-57-0x0000000000540000-0x00000000008B4000-memory.dmp

memory/4868-61-0x0000000000540000-0x00000000008B4000-memory.dmp