Malware Analysis Report

2024-11-16 13:08

Sample ID 220712-c9c7bsfgal
Target 4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03
SHA256 4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03
Tags
limerat persistence rat
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

4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03

Threat Level: Known bad

The file 4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03 was found to be: Known bad.

Malicious Activity Summary

limerat persistence rat

LimeRAT

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Adds Run key to start application

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-07-12 02:46

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-12 02:46

Reported

2022-07-12 02:58

Platform

win7-20220414-en

Max time kernel

140s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe"

Signatures

LimeRAT

rat limerat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\eMule = "C:\\Users\\Admin\\AppData\\Local\\eMule.exe" C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe N/A

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe

"C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.20.67.143:443 pastebin.com tcp
US 35.237.249.68:7975 tcp
US 35.237.249.68:7975 tcp
US 35.237.249.68:7975 tcp
US 35.237.249.68:7975 tcp
US 35.237.249.68:7975 tcp

Files

memory/1648-54-0x0000000000C00000-0x0000000000C10000-memory.dmp

memory/1648-55-0x00000000755C1000-0x00000000755C3000-memory.dmp

memory/1648-56-0x0000000000580000-0x000000000058C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-12 02:46

Reported

2022-07-12 02:58

Platform

win10v2004-20220414-en

Max time kernel

144s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe"

Signatures

LimeRAT

rat limerat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\eMule = "C:\\Users\\Admin\\AppData\\Local\\eMule.exe" C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe N/A

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe

"C:\Users\Admin\AppData\Local\Temp\4d8458033e1d9561cb44ad3aba5963b18c08725094e536f49f4c2bbebfac0a03.exe"

Network

Country Destination Domain Proto
NL 52.109.88.34:443 tcp
US 8.8.8.8:53 pastebin.com udp
US 104.20.68.143:443 pastebin.com tcp
US 35.237.249.68:7975 tcp
US 20.189.173.6:443 tcp
US 35.237.249.68:7975 tcp
NL 142.250.179.142:80 tcp
NL 142.250.179.142:80 tcp
NL 104.97.14.80:80 tcp
US 35.237.249.68:7975 tcp
CH 173.222.108.226:80 tcp
US 204.79.197.203:80 tcp
US 35.237.249.68:7975 tcp
US 35.237.249.68:7975 tcp
US 35.237.249.68:7975 tcp
NL 142.250.179.142:80 tcp
NL 142.250.179.142:80 tcp

Files

memory/4836-130-0x0000000000350000-0x0000000000360000-memory.dmp

memory/4836-131-0x0000000005290000-0x0000000005834000-memory.dmp

memory/4836-132-0x0000000004D80000-0x0000000004E12000-memory.dmp

memory/4836-133-0x0000000004D00000-0x0000000004D0A000-memory.dmp

memory/4836-134-0x0000000004FE0000-0x000000000507C000-memory.dmp

memory/4836-135-0x00000000076A0000-0x0000000007706000-memory.dmp