Malware Analysis Report

2024-10-19 10:23

Sample ID 210629-kc3n72xhd6
Target 422c2f3df9fc4c98b66b8c52f8a99b66bf45e4a6439e826c0a149125ba79ebce
SHA256 422c2f3df9fc4c98b66b8c52f8a99b66bf45e4a6439e826c0a149125ba79ebce
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

422c2f3df9fc4c98b66b8c52f8a99b66bf45e4a6439e826c0a149125ba79ebce

Threat Level: Known bad

The file 422c2f3df9fc4c98b66b8c52f8a99b66bf45e4a6439e826c0a149125ba79ebce 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

2021-06-29 02:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-29 02:31

Reported

2021-06-29 02:34

Platform

win10v20210408

Max time kernel

27s

Max time network

112s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\422c2f3df9fc4c98b66b8c52f8a99b66bf45e4a6439e826c0a149125ba79ebce.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 3716 wrote to memory of 3324 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3716 wrote to memory of 3324 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3716 wrote to memory of 3324 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\422c2f3df9fc4c98b66b8c52f8a99b66bf45e4a6439e826c0a149125ba79ebce.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\422c2f3df9fc4c98b66b8c52f8a99b66bf45e4a6439e826c0a149125ba79ebce.dll,#1

Network

N/A

Files

memory/3324-114-0x0000000000000000-mapping.dmp

memory/3324-115-0x0000000073560000-0x000000007358D000-memory.dmp

memory/3324-117-0x0000000002C60000-0x0000000002DAA000-memory.dmp