Malware Analysis Report

2025-01-18 16:27

Sample ID 210623-azxzw3s71e
Target e18671979cba533b23ec75270621399f7f5f319862f6928ecbd24a85331e3fd5
SHA256 e18671979cba533b23ec75270621399f7f5f319862f6928ecbd24a85331e3fd5
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

e18671979cba533b23ec75270621399f7f5f319862f6928ecbd24a85331e3fd5

Threat Level: Known bad

The file e18671979cba533b23ec75270621399f7f5f319862f6928ecbd24a85331e3fd5 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 04:39

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-23 04:39

Reported

2021-06-23 04:41

Platform

win10v20210408

Max time kernel

29s

Max time network

71s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18671979cba533b23ec75270621399f7f5f319862f6928ecbd24a85331e3fd5.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 628 wrote to memory of 1428 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 628 wrote to memory of 1428 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 628 wrote to memory of 1428 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\e18671979cba533b23ec75270621399f7f5f319862f6928ecbd24a85331e3fd5.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18671979cba533b23ec75270621399f7f5f319862f6928ecbd24a85331e3fd5.dll,#1

Network

N/A

Files

memory/1428-114-0x0000000000000000-mapping.dmp

memory/1428-115-0x00000000744D0000-0x00000000744FE000-memory.dmp

memory/1428-117-0x00000000006E0000-0x000000000078E000-memory.dmp