Malware Analysis Report

2025-08-05 16:34

Sample ID 210615-xrj8tsvf2e
Target 18e88c173aae127b2bdeaa2e4df72118a0751bc81e9e3d53beea81df0a140bb0
SHA256 18e88c173aae127b2bdeaa2e4df72118a0751bc81e9e3d53beea81df0a140bb0
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

18e88c173aae127b2bdeaa2e4df72118a0751bc81e9e3d53beea81df0a140bb0

Threat Level: Known bad

The file 18e88c173aae127b2bdeaa2e4df72118a0751bc81e9e3d53beea81df0a140bb0 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

2021-06-15 15:29

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 15:29

Reported

2021-06-15 15:32

Platform

win10v20210410

Max time kernel

19s

Max time network

116s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\18e88c173aae127b2bdeaa2e4df72118a0751bc81e9e3d53beea81df0a140bb0.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 3692 wrote to memory of 4016 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3692 wrote to memory of 4016 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3692 wrote to memory of 4016 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\18e88c173aae127b2bdeaa2e4df72118a0751bc81e9e3d53beea81df0a140bb0.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\18e88c173aae127b2bdeaa2e4df72118a0751bc81e9e3d53beea81df0a140bb0.dll,#1

Network

N/A

Files

memory/4016-114-0x0000000000000000-mapping.dmp

memory/4016-115-0x00000000741E0000-0x000000007420E000-memory.dmp

memory/4016-117-0x0000000003130000-0x0000000003136000-memory.dmp