Malware Analysis Report

2025-08-10 22:18

Sample ID 210615-vk1hpxg382
Target 42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210
SHA256 42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210
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

42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210

Threat Level: Known bad

The file 42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210 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

2021-06-15 11:12

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 11:12

Reported

2021-06-15 11:15

Platform

win10v20210408

Max time kernel

26s

Max time network

78s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210.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 668 wrote to memory of 3700 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 668 wrote to memory of 3700 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 668 wrote to memory of 3700 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\42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210.dll,#1

Network

N/A

Files

memory/3700-114-0x0000000000000000-mapping.dmp

memory/3700-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

memory/3700-117-0x0000000000600000-0x0000000000606000-memory.dmp