Malware Analysis Report

2024-11-16 13:10

Sample ID 220529-1gc8maeggr
Target 0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6
SHA256 0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6
Tags
upx 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

0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6

Threat Level: Known bad

The file 0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6 was found to be: Known bad.

Malicious Activity Summary

upx limerat rat

LimeRAT

UPX packed file

Legitimate hosting services abused for malware hosting/C2

AutoIT Executable

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-29 21:36

Signatures

UPX packed file

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

AutoIT Executable

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-29 21:36

Reported

2022-05-29 21:57

Platform

win7-20220414-en

Max time kernel

147s

Max time network

164s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe"

Signatures

LimeRAT

rat limerat

UPX packed file

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

Legitimate hosting services abused for malware hosting/C2

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 624 set thread context of 1724 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.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 624 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 624 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 624 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 624 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 624 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 624 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 624 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 624 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 624 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe

"C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.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

Files

memory/624-54-0x00000000769D1000-0x00000000769D3000-memory.dmp

memory/624-55-0x0000000001100000-0x0000000001226000-memory.dmp

memory/624-56-0x00000000009E0000-0x00000000009E8000-memory.dmp

memory/1724-57-0x0000000000090000-0x000000000009C000-memory.dmp

memory/1724-59-0x0000000000090000-0x000000000009C000-memory.dmp

memory/1724-63-0x0000000000098BDE-mapping.dmp

memory/1724-64-0x0000000000090000-0x000000000009C000-memory.dmp

memory/1724-65-0x0000000000090000-0x000000000009C000-memory.dmp

memory/624-66-0x0000000001100000-0x0000000001226000-memory.dmp

memory/1724-68-0x0000000074A70000-0x000000007501B000-memory.dmp

memory/1724-69-0x00000000735A0000-0x0000000074098000-memory.dmp

memory/1724-70-0x0000000072E00000-0x000000007359C000-memory.dmp

memory/1724-71-0x0000000074770000-0x000000007490B000-memory.dmp

memory/1724-72-0x0000000074660000-0x0000000074764000-memory.dmp

memory/1724-73-0x0000000074330000-0x00000000744B8000-memory.dmp

memory/1724-74-0x0000000072220000-0x0000000072DFE000-memory.dmp

memory/1724-75-0x0000000072120000-0x0000000072211000-memory.dmp

memory/1724-76-0x0000000071BE0000-0x0000000072116000-memory.dmp

memory/1724-77-0x0000000074A70000-0x000000007501B000-memory.dmp

memory/1724-78-0x00000000735A0000-0x0000000074098000-memory.dmp

memory/1724-79-0x0000000072E00000-0x000000007359C000-memory.dmp

memory/1724-80-0x0000000074770000-0x000000007490B000-memory.dmp

memory/1724-81-0x0000000074660000-0x0000000074764000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-29 21:36

Reported

2022-05-29 21:57

Platform

win10v2004-20220414-en

Max time kernel

152s

Max time network

166s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe"

Signatures

LimeRAT

rat limerat

UPX packed file

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

Legitimate hosting services abused for malware hosting/C2

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3184 set thread context of 3468 N/A C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.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

Processes

C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe

"C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.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 20.42.65.88:443 tcp
US 8.8.8.8:53 pastebin.com udp
US 104.20.67.143:443 pastebin.com tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
NL 87.248.202.1:80 tcp

Files

memory/3184-130-0x0000000000C60000-0x0000000000D86000-memory.dmp

memory/3184-131-0x0000000004440000-0x0000000004448000-memory.dmp

memory/3468-132-0x0000000000000000-mapping.dmp

memory/3468-133-0x0000000000400000-0x000000000040C000-memory.dmp

memory/3184-137-0x0000000000C60000-0x0000000000D86000-memory.dmp

memory/3468-138-0x00000000751E0000-0x0000000075791000-memory.dmp

memory/3468-139-0x0000000073750000-0x0000000074250000-memory.dmp

memory/3468-140-0x0000000072FA0000-0x0000000073748000-memory.dmp

memory/3468-141-0x00000000751E0000-0x0000000075791000-memory.dmp

memory/3468-142-0x0000000073750000-0x0000000074250000-memory.dmp