Malware Analysis Report

2025-01-18 16:25

Sample ID 210623-h87xeyt6lj
Target d71736060b2acdaf5e1a0e9e8524dde5891d93c9908c55bfe986bef83acdfcc3
SHA256 d71736060b2acdaf5e1a0e9e8524dde5891d93c9908c55bfe986bef83acdfcc3
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

d71736060b2acdaf5e1a0e9e8524dde5891d93c9908c55bfe986bef83acdfcc3

Threat Level: Known bad

The file d71736060b2acdaf5e1a0e9e8524dde5891d93c9908c55bfe986bef83acdfcc3 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 06:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-23 06:37

Reported

2021-06-23 06:39

Platform

win10v20210410

Max time kernel

20s

Max time network

114s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\d71736060b2acdaf5e1a0e9e8524dde5891d93c9908c55bfe986bef83acdfcc3.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 1908 wrote to memory of 2236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1908 wrote to memory of 2236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1908 wrote to memory of 2236 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\d71736060b2acdaf5e1a0e9e8524dde5891d93c9908c55bfe986bef83acdfcc3.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\d71736060b2acdaf5e1a0e9e8524dde5891d93c9908c55bfe986bef83acdfcc3.dll,#1

Network

N/A

Files

memory/2236-114-0x0000000000000000-mapping.dmp

memory/2236-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp

memory/2236-117-0x0000000000F50000-0x000000000109A000-memory.dmp