Malware Analysis Report

2025-01-18 16:26

Sample ID 210623-vf3mmvvg76
Target 027d9f764852b5be75e36e2cb3cf1fc1dddd28be6d8c0ee623e47880ce829f3c
SHA256 027d9f764852b5be75e36e2cb3cf1fc1dddd28be6d8c0ee623e47880ce829f3c
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

027d9f764852b5be75e36e2cb3cf1fc1dddd28be6d8c0ee623e47880ce829f3c

Threat Level: Known bad

The file 027d9f764852b5be75e36e2cb3cf1fc1dddd28be6d8c0ee623e47880ce829f3c 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 05:39

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-23 05:39

Reported

2021-06-23 05:42

Platform

win10v20210410

Max time kernel

20s

Max time network

112s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\027d9f764852b5be75e36e2cb3cf1fc1dddd28be6d8c0ee623e47880ce829f3c.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 3908 wrote to memory of 3652 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3908 wrote to memory of 3652 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3908 wrote to memory of 3652 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\027d9f764852b5be75e36e2cb3cf1fc1dddd28be6d8c0ee623e47880ce829f3c.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\027d9f764852b5be75e36e2cb3cf1fc1dddd28be6d8c0ee623e47880ce829f3c.dll,#1

Network

N/A

Files

memory/3652-114-0x0000000000000000-mapping.dmp

memory/3652-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

memory/3652-117-0x00000000005B0000-0x00000000005B6000-memory.dmp