Malware Analysis Report

2025-01-18 16:28

Sample ID 210622-hms2h3aajn
Target a9372002533b9473b3ebcfe06f7359b1a3c1e9d7398079f29595e4e50017e127
SHA256 a9372002533b9473b3ebcfe06f7359b1a3c1e9d7398079f29595e4e50017e127
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

a9372002533b9473b3ebcfe06f7359b1a3c1e9d7398079f29595e4e50017e127

Threat Level: Known bad

The file a9372002533b9473b3ebcfe06f7359b1a3c1e9d7398079f29595e4e50017e127 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

2021-06-22 03:59

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-22 03:59

Reported

2021-06-22 04:01

Platform

win10v20210410

Max time kernel

19s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9372002533b9473b3ebcfe06f7359b1a3c1e9d7398079f29595e4e50017e127.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 3912 wrote to memory of 3176 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3912 wrote to memory of 3176 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3912 wrote to memory of 3176 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\a9372002533b9473b3ebcfe06f7359b1a3c1e9d7398079f29595e4e50017e127.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9372002533b9473b3ebcfe06f7359b1a3c1e9d7398079f29595e4e50017e127.dll,#1

Network

N/A

Files

memory/3176-114-0x0000000000000000-mapping.dmp

memory/3176-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

memory/3176-117-0x0000000001010000-0x0000000001016000-memory.dmp