Malware Analysis Report

2025-01-18 16:29

Sample ID 210622-7xsn33ebls
Target 738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87
SHA256 738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87
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

738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87

Threat Level: Known bad

The file 738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87 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 07:14

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-22 07:14

Reported

2021-06-22 07:17

Platform

win10v20210410

Max time kernel

19s

Max time network

126s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87.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 3892 wrote to memory of 1660 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3892 wrote to memory of 1660 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3892 wrote to memory of 1660 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\738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87.dll,#1

Network

N/A

Files

memory/1660-114-0x0000000000000000-mapping.dmp

memory/1660-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

memory/1660-117-0x0000000004710000-0x0000000004716000-memory.dmp