Malware Analysis Report

2024-10-19 10:23

Sample ID 210629-rywcpg5q3j
Target 86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87
SHA256 86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87
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

86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87

Threat Level: Known bad

The file 86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87 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 07:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-29 07:13

Reported

2021-06-29 07:16

Platform

win10v20210408

Max time kernel

27s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87.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 868 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 640 wrote to memory of 868 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 640 wrote to memory of 868 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\86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87.dll,#1

Network

N/A

Files

memory/868-114-0x0000000000000000-mapping.dmp

memory/868-115-0x0000000074450000-0x000000007447E000-memory.dmp

memory/868-117-0x00000000001F0000-0x00000000001F6000-memory.dmp