Malware Analysis Report

2025-01-18 16:31

Sample ID 210623-mgr66qb5ye
Target d2dc31e8be137b94e0bc25118500f27a746f9fa60b701155531f4e73febeb797
SHA256 d2dc31e8be137b94e0bc25118500f27a746f9fa60b701155531f4e73febeb797
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

d2dc31e8be137b94e0bc25118500f27a746f9fa60b701155531f4e73febeb797

Threat Level: Known bad

The file d2dc31e8be137b94e0bc25118500f27a746f9fa60b701155531f4e73febeb797 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 08:54

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-23 08:54

Reported

2021-06-23 08:57

Platform

win10v20210408

Max time kernel

27s

Max time network

77s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2dc31e8be137b94e0bc25118500f27a746f9fa60b701155531f4e73febeb797.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 628 wrote to memory of 1008 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 628 wrote to memory of 1008 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 628 wrote to memory of 1008 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\d2dc31e8be137b94e0bc25118500f27a746f9fa60b701155531f4e73febeb797.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2dc31e8be137b94e0bc25118500f27a746f9fa60b701155531f4e73febeb797.dll,#1

Network

N/A

Files

memory/1008-114-0x0000000000000000-mapping.dmp

memory/1008-115-0x00000000744D0000-0x00000000744FE000-memory.dmp

memory/1008-117-0x0000000002DC0000-0x0000000002F0A000-memory.dmp