Malware Analysis Report

2024-11-16 13:09

Sample ID 220614-19vy5sfgaj
Target 2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f
SHA256 2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f
Tags
limerat 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

2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f

Threat Level: Known bad

The file 2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f 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

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-14 22:21

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-14 22:21

Reported

2022-06-14 23:48

Platform

win7-20220414-en

Max time kernel

40s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.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\vbc.url C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.exe

"C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

N/A

Files

memory/1004-54-0x00000000002E0000-0x0000000000394000-memory.dmp

memory/1004-55-0x00000000003A0000-0x00000000003D2000-memory.dmp

memory/1004-57-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

memory/1004-56-0x00000000006C0000-0x00000000006E6000-memory.dmp

memory/1004-58-0x0000000001F70000-0x0000000001F7C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-14 22:21

Reported

2022-06-14 23:47

Platform

win10v2004-20220414-en

Max time kernel

151s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.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\vbc.url C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.exe N/A

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1084 set thread context of 1356 N/A C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.exe

"C:\Users\Admin\AppData\Local\Temp\2c94e1ac0a94aa3aa6e03f9ff33eb0f94f916b00ca0a34a4da62d113c438327f.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

Country Destination Domain Proto
US 13.107.21.200:443 tcp
US 20.42.65.85:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 pastebin.com udp
US 104.20.68.143:443 pastebin.com tcp
US 13.107.42.16:443 tcp

Files

memory/1084-130-0x00000000001F0000-0x00000000002A4000-memory.dmp

memory/1084-131-0x0000000004E20000-0x0000000004EBC000-memory.dmp

memory/1356-132-0x0000000000000000-mapping.dmp

memory/1356-133-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1356-134-0x0000000005790000-0x00000000057F6000-memory.dmp

memory/1356-135-0x00000000063A0000-0x0000000006944000-memory.dmp

memory/1356-136-0x00000000069F0000-0x0000000006A82000-memory.dmp