Malware Analysis Report

2024-11-16 13:09

Sample ID 220612-dlhycabfar
Target 2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9
SHA256 2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9
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

2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9

Threat Level: Known bad

The file 2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9 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

AutoIT Executable

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-12 03:05

Signatures

AutoIT Executable

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

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-12 03:05

Reported

2022-06-12 06:09

Platform

win10v2004-20220414-en

Max time kernel

148s

Max time network

196s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9.exe"

Signatures

LimeRAT

rat limerat

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\igfxHK.url C:\Users\Admin\AppData\Local\Temp\2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9.exe N/A

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4504 set thread context of 4512 N/A C:\Users\Admin\AppData\Local\Temp\2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9.exe

"C:\Users\Admin\AppData\Local\Temp\2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9.exe"

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

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

Network

Country Destination Domain Proto
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 www.bing.com tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 www.bing.com tcp
US 52.168.117.170:443 tcp
US 8.8.8.8:53 pastebin.com udp
US 104.20.68.143:443 pastebin.com tcp
US 8.8.8.8:53 176.122.125.40.in-addr.arpa udp

Files

memory/4512-130-0x0000000000000000-mapping.dmp

memory/4512-131-0x0000000000400000-0x000000000040C000-memory.dmp

memory/4504-135-0x0000000004010000-0x0000000004018000-memory.dmp

memory/4512-136-0x0000000004EA0000-0x0000000004F3C000-memory.dmp

memory/4512-137-0x0000000004FB0000-0x0000000005016000-memory.dmp

memory/4512-138-0x0000000005BD0000-0x0000000006174000-memory.dmp

memory/4512-139-0x0000000005940000-0x00000000059D2000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-12 03:05

Reported

2022-06-12 06:07

Platform

win7-20220414-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9.exe"

Signatures

LimeRAT

rat limerat

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\igfxHK.url C:\Users\Admin\AppData\Local\Temp\2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9.exe N/A

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 852 set thread context of 1668 N/A C:\Users\Admin\AppData\Local\Temp\2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9.exe

"C:\Users\Admin\AppData\Local\Temp\2304394f01a29ed686a669cfbda920e689e146c18bca938ee37e27646c0497b9.exe"

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

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

Network

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

Files

memory/852-54-0x0000000076781000-0x0000000076783000-memory.dmp

memory/1668-55-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1668-57-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1668-61-0x0000000000408DFE-mapping.dmp

memory/1668-62-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1668-63-0x0000000000400000-0x000000000040C000-memory.dmp

memory/852-64-0x00000000001A0000-0x00000000001A8000-memory.dmp