Malware Analysis Report

2025-01-18 16:29

Sample ID 210622-qk7mhjrfrj
Target d2efe32d4ee616a74b17d81e67432b9bae91772bd3bae1a09c57abca31c689ff
SHA256 d2efe32d4ee616a74b17d81e67432b9bae91772bd3bae1a09c57abca31c689ff
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

d2efe32d4ee616a74b17d81e67432b9bae91772bd3bae1a09c57abca31c689ff

Threat Level: Known bad

The file d2efe32d4ee616a74b17d81e67432b9bae91772bd3bae1a09c57abca31c689ff 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 05:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-22 05:31

Reported

2021-06-22 05:34

Platform

win10v20210410

Max time kernel

18s

Max time network

112s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2efe32d4ee616a74b17d81e67432b9bae91772bd3bae1a09c57abca31c689ff.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 2256 wrote to memory of 696 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2256 wrote to memory of 696 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2256 wrote to memory of 696 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\d2efe32d4ee616a74b17d81e67432b9bae91772bd3bae1a09c57abca31c689ff.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2efe32d4ee616a74b17d81e67432b9bae91772bd3bae1a09c57abca31c689ff.dll,#1

Network

N/A

Files

memory/696-114-0x0000000000000000-mapping.dmp

memory/696-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

memory/696-117-0x0000000000FC0000-0x0000000000FC6000-memory.dmp