Malware Analysis Report

2024-10-19 10:23

Sample ID 210629-dj8rt3pmba
Target 8f2e7c3dd7d40428eb020f4adc750e6e28dc95db6f0379cc9f0e59ad63dcc355
SHA256 8f2e7c3dd7d40428eb020f4adc750e6e28dc95db6f0379cc9f0e59ad63dcc355
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

8f2e7c3dd7d40428eb020f4adc750e6e28dc95db6f0379cc9f0e59ad63dcc355

Threat Level: Known bad

The file 8f2e7c3dd7d40428eb020f4adc750e6e28dc95db6f0379cc9f0e59ad63dcc355 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 04:34

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-29 04:34

Reported

2021-06-29 04:37

Platform

win10v20210410

Max time kernel

18s

Max time network

115s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f2e7c3dd7d40428eb020f4adc750e6e28dc95db6f0379cc9f0e59ad63dcc355.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 2208 wrote to memory of 496 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 496 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 496 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\8f2e7c3dd7d40428eb020f4adc750e6e28dc95db6f0379cc9f0e59ad63dcc355.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f2e7c3dd7d40428eb020f4adc750e6e28dc95db6f0379cc9f0e59ad63dcc355.dll,#1

Network

N/A

Files

memory/496-114-0x0000000000000000-mapping.dmp

memory/496-115-0x0000000073860000-0x000000007388D000-memory.dmp

memory/496-117-0x0000000000820000-0x000000000096A000-memory.dmp