Malware Analysis Report

2024-11-16 13:09

Sample ID 220604-l85pmabba8
Target 1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e
SHA256 1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e
Tags
limerat agilenet 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

1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e

Threat Level: Known bad

The file 1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e was found to be: Known bad.

Malicious Activity Summary

limerat agilenet rat

LimeRAT

Drops startup file

Obfuscated with Agile.Net obfuscator

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-04 10:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-04 10:13

Reported

2022-06-04 12:29

Platform

win7-20220414-en

Max time kernel

152s

Max time network

161s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.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\HJdyTuap.exe C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe N/A

Obfuscated with Agile.Net obfuscator

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

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1376 set thread context of 936 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1376 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1376 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe

"C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 172.67.34.170:443 pastebin.com tcp
US 172.67.34.170:443 pastebin.com tcp

Files

memory/1376-54-0x0000000001150000-0x00000000011BA000-memory.dmp

memory/1376-55-0x0000000000450000-0x0000000000458000-memory.dmp

memory/1376-56-0x00000000005A0000-0x00000000005E2000-memory.dmp

memory/1376-57-0x00000000005E0000-0x00000000005EC000-memory.dmp

memory/1376-58-0x0000000072430000-0x00000000737BF000-memory.dmp

memory/1376-59-0x0000000075361000-0x0000000075363000-memory.dmp

memory/1376-60-0x0000000073A20000-0x0000000074200000-memory.dmp

memory/1376-61-0x0000000000640000-0x0000000000643000-memory.dmp

memory/936-62-0x0000000000408CDE-mapping.dmp

memory/1376-63-0x0000000071A20000-0x0000000072430000-memory.dmp

memory/1376-64-0x0000000072430000-0x00000000737BF000-memory.dmp

memory/1376-66-0x0000000000660000-0x0000000000663000-memory.dmp

memory/936-67-0x0000000071100000-0x00000000716AB000-memory.dmp

memory/936-68-0x0000000073F80000-0x0000000074A78000-memory.dmp

memory/936-69-0x0000000073020000-0x00000000737BC000-memory.dmp

memory/936-70-0x0000000073D20000-0x0000000073EBB000-memory.dmp

memory/936-71-0x0000000073C10000-0x0000000073D14000-memory.dmp

memory/936-72-0x0000000072E90000-0x0000000073018000-memory.dmp

memory/936-73-0x00000000722B0000-0x0000000072E8E000-memory.dmp

memory/936-74-0x00000000721B0000-0x00000000722A1000-memory.dmp

memory/936-75-0x0000000071C70000-0x00000000721A6000-memory.dmp

memory/936-76-0x0000000071100000-0x00000000716AB000-memory.dmp

memory/936-77-0x0000000073F80000-0x0000000074A78000-memory.dmp

memory/936-79-0x0000000073D20000-0x0000000073EBB000-memory.dmp

memory/936-78-0x0000000073020000-0x00000000737BC000-memory.dmp

memory/936-80-0x0000000073C10000-0x0000000073D14000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-04 10:13

Reported

2022-06-04 12:29

Platform

win10v2004-20220414-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.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\HJdyTuap.exe C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe N/A

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2584 set thread context of 3656 N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe

"C:\Users\Admin\AppData\Local\Temp\1108da2e0cb957a6848e5cf398c00ea523cfdd6c41a9d95e4855265e7c88df8e.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
NL 20.190.160.73:443 tcp
US 8.8.8.8:53 pastebin.com udp
US 172.67.34.170:443 pastebin.com tcp
NL 20.190.160.67:443 tcp
NL 104.97.14.81:80 tcp
US 104.20.68.143:443 pastebin.com tcp
NL 20.50.201.200:443 tcp
IE 20.54.110.249:443 tcp
NL 20.190.160.73:443 tcp
NL 20.190.160.2:443 tcp
NL 87.248.202.1:80 tcp
NL 87.248.202.1:80 tcp
US 104.20.67.143:443 pastebin.com tcp
NL 20.190.160.67:443 tcp
NL 20.190.160.136:443 tcp
IE 20.54.89.15:443 tcp
NL 20.190.160.67:443 tcp
US 172.67.34.170:443 pastebin.com tcp
NL 20.190.160.2:443 tcp
US 8.8.8.8:53 151.122.125.40.in-addr.arpa udp
NL 20.190.160.2:443 tcp
NL 20.190.160.136:443 tcp
NL 20.190.160.6:443 tcp
NL 20.190.160.136:443 tcp
US 8.8.8.8:53 storesdk.dsx.mp.microsoft.com udp
FR 2.18.109.224:443 storesdk.dsx.mp.microsoft.com tcp

Files

memory/2584-130-0x00000000000D0000-0x000000000013A000-memory.dmp

memory/2584-131-0x0000000002380000-0x0000000002420000-memory.dmp

memory/3656-132-0x0000000000000000-mapping.dmp

memory/2584-133-0x0000000002380000-0x00000000023DF000-memory.dmp

memory/3656-134-0x0000000075540000-0x0000000075AF1000-memory.dmp

memory/3656-135-0x0000000074340000-0x0000000074E40000-memory.dmp

memory/3656-136-0x0000000073A50000-0x00000000741F8000-memory.dmp

memory/3656-137-0x0000000074340000-0x0000000074E40000-memory.dmp

memory/3656-138-0x0000000075540000-0x0000000075AF1000-memory.dmp

memory/3656-139-0x0000000073A50000-0x00000000741F8000-memory.dmp