Malware Analysis Report

2025-01-18 16:25

Sample ID 210623-9fn2ee6ysn
Target 9be9d1f0e044c5549e170f5b7543778a7113e3c751cfeb18be32b23c93784bca
SHA256 9be9d1f0e044c5549e170f5b7543778a7113e3c751cfeb18be32b23c93784bca
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

9be9d1f0e044c5549e170f5b7543778a7113e3c751cfeb18be32b23c93784bca

Threat Level: Known bad

The file 9be9d1f0e044c5549e170f5b7543778a7113e3c751cfeb18be32b23c93784bca 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 06:53

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-23 06:53

Reported

2021-06-23 06:56

Platform

win10v20210408

Max time kernel

27s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9be9d1f0e044c5549e170f5b7543778a7113e3c751cfeb18be32b23c93784bca.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 664 wrote to memory of 1036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 664 wrote to memory of 1036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 664 wrote to memory of 1036 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\9be9d1f0e044c5549e170f5b7543778a7113e3c751cfeb18be32b23c93784bca.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9be9d1f0e044c5549e170f5b7543778a7113e3c751cfeb18be32b23c93784bca.dll,#1

Network

N/A

Files

memory/1036-114-0x0000000000000000-mapping.dmp

memory/1036-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

memory/1036-117-0x0000000004BE0000-0x0000000004BE6000-memory.dmp