Malware Analysis Report

2024-11-16 13:09

Sample ID 220609-j9yatscehn
Target 151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992
SHA256 151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992
Tags
limerat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992

Threat Level: Known bad

The file 151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992 was found to be: Known bad.

Malicious Activity Summary

limerat rat

LimeRAT

Drops startup file

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-09 08:22

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-09 08:22

Reported

2022-06-09 14:00

Platform

win10v2004-20220414-en

Max time kernel

142s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe"

Signatures

LimeRAT

rat limerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MSW0RD.lnk C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe N/A

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2680 set thread context of 3628 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2680 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2680 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2680 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2680 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2680 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2680 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2680 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2680 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2680 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2680 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Processes

C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe

"C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.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 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
NL 52.178.17.2:443 tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
US 8.8.8.8:53 96.108.152.52.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 172.67.34.170:443 pastebin.com tcp
US 8.8.8.8:53 7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.ip6.arpa udp
US 104.20.68.143:443 pastebin.com tcp

Files

memory/2680-130-0x0000000000680000-0x00000000006BA000-memory.dmp

memory/2680-131-0x00000000056B0000-0x0000000005C54000-memory.dmp

memory/2680-132-0x0000000005050000-0x00000000050E2000-memory.dmp

memory/2680-133-0x0000000005410000-0x0000000005486000-memory.dmp

memory/2680-134-0x0000000005490000-0x00000000054AE000-memory.dmp

memory/2680-135-0x0000000005C60000-0x0000000005CFC000-memory.dmp

memory/1968-136-0x0000000000000000-mapping.dmp

memory/3628-137-0x0000000000000000-mapping.dmp

memory/3628-138-0x0000000000400000-0x000000000040C000-memory.dmp

memory/3628-139-0x0000000004EB0000-0x0000000004F16000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-09 08:22

Reported

2022-06-09 14:00

Platform

win7-20220414-en

Max time kernel

147s

Max time network

187s

Command Line

"C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe"

Signatures

LimeRAT

rat limerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MSW0RD.lnk C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe N/A

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1304 set thread context of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1304 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Processes

C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.exe

"C:\Users\Admin\AppData\Local\Temp\151f926c9c343e82fbe5b92a3d33997a3ed92f3d71b7e18665c4cdfdde47e992.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 pastebin.com udp
US 104.20.67.143:443 pastebin.com tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp
DE 79.134.225.72:2121 tcp

Files

memory/1304-54-0x0000000000330000-0x000000000036A000-memory.dmp

memory/1304-55-0x0000000076531000-0x0000000076533000-memory.dmp

memory/1304-56-0x00000000004B0000-0x00000000004D6000-memory.dmp

memory/1304-57-0x00000000006A0000-0x00000000006AA000-memory.dmp

memory/1304-58-0x00000000021B0000-0x00000000021C6000-memory.dmp

memory/1632-59-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1632-60-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1632-62-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1632-63-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1632-64-0x0000000000408D4E-mapping.dmp

memory/1632-66-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1632-68-0x0000000000400000-0x000000000040C000-memory.dmp