Malware Analysis Report

2025-01-18 16:29

Sample ID 210622-h78tpx7w8x
Target 87408ee38570af0d8a23881d038e0bee0f5541346e1d11416f46c88b96e02d5e
SHA256 87408ee38570af0d8a23881d038e0bee0f5541346e1d11416f46c88b96e02d5e
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

87408ee38570af0d8a23881d038e0bee0f5541346e1d11416f46c88b96e02d5e

Threat Level: Known bad

The file 87408ee38570af0d8a23881d038e0bee0f5541346e1d11416f46c88b96e02d5e 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

2021-06-22 14:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-22 14:57

Reported

2021-06-22 16:20

Platform

win10v20210408

Max time kernel

25s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\87408ee38570af0d8a23881d038e0bee0f5541346e1d11416f46c88b96e02d5e.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 640 wrote to memory of 1084 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 640 wrote to memory of 1084 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 640 wrote to memory of 1084 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\87408ee38570af0d8a23881d038e0bee0f5541346e1d11416f46c88b96e02d5e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\87408ee38570af0d8a23881d038e0bee0f5541346e1d11416f46c88b96e02d5e.dll,#1

Network

N/A

Files

memory/1084-114-0x0000000000000000-mapping.dmp

memory/1084-115-0x0000000074450000-0x000000007447E000-memory.dmp

memory/1084-117-0x0000000000800000-0x00000000008AE000-memory.dmp