Malware Analysis Report

2025-01-18 16:25

Sample ID 210623-qa34yhlmhx
Target 4201f8f86a418765de9790313bd64dc0356e277c85d397b9735eb0a0c35b771d
SHA256 4201f8f86a418765de9790313bd64dc0356e277c85d397b9735eb0a0c35b771d
Tags
dridex 40112 botnet evasion loader trojan
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 Overview

score
10/10

SHA256

4201f8f86a418765de9790313bd64dc0356e277c85d397b9735eb0a0c35b771d

Threat Level: Known bad

The file 4201f8f86a418765de9790313bd64dc0356e277c85d397b9735eb0a0c35b771d was found to be: Known bad.

Malicious Activity Summary

dridex 40112 botnet evasion loader trojan

Dridex

Dridex Loader

Checks whether UAC is enabled

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-06-23 12:48

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-23 12:48

Reported

2021-06-23 12:51

Platform

win10v20210410

Max time kernel

20s

Max time network

114s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4201f8f86a418765de9790313bd64dc0356e277c85d397b9735eb0a0c35b771d.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1704 wrote to memory of 2236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1704 wrote to memory of 2236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1704 wrote to memory of 2236 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\4201f8f86a418765de9790313bd64dc0356e277c85d397b9735eb0a0c35b771d.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4201f8f86a418765de9790313bd64dc0356e277c85d397b9735eb0a0c35b771d.dll,#1

Network

N/A

Files

memory/2236-114-0x0000000000000000-mapping.dmp

memory/2236-115-0x0000000073EE0000-0x0000000073F0D000-memory.dmp

memory/2236-117-0x00000000009F0000-0x00000000009F6000-memory.dmp