Malware Analysis Report

2024-07-11 07:36

Sample ID 240621-en7j6axgmg
Target http_dll.dll
SHA256 260bd64aff76afa4a037ea5b97499e8e5f7819ce34509360f0cbb78b42f5292e
Tags
plugx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

260bd64aff76afa4a037ea5b97499e8e5f7819ce34509360f0cbb78b42f5292e

Threat Level: Known bad

The file http_dll.dll was found to be: Known bad.

Malicious Activity Summary

plugx

Plugx family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-21 04:06

Signatures

Plugx family

plugx

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-21 04:06

Reported

2024-06-21 04:08

Platform

win7-20240220-en

Max time kernel

122s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\http_dll.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\http_dll.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\http_dll.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 220

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-21 04:06

Reported

2024-06-21 04:08

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

53s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\http_dll.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4652 wrote to memory of 4968 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4652 wrote to memory of 4968 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4652 wrote to memory of 4968 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\http_dll.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\http_dll.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4968 -ip 4968

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 600

Network

Files

N/A