Malware Analysis Report

2025-01-18 16:27

Sample ID 210622-66fq63hmxn
Target 11bc9d996ab7b850f862b0acb684008aaff0e90acf52c594ab9cd5a25841d06d
SHA256 11bc9d996ab7b850f862b0acb684008aaff0e90acf52c594ab9cd5a25841d06d
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

11bc9d996ab7b850f862b0acb684008aaff0e90acf52c594ab9cd5a25841d06d

Threat Level: Known bad

The file 11bc9d996ab7b850f862b0acb684008aaff0e90acf52c594ab9cd5a25841d06d 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 06:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-22 06:45

Reported

2021-06-22 06:48

Platform

win10v20210410

Max time kernel

19s

Max time network

112s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\11bc9d996ab7b850f862b0acb684008aaff0e90acf52c594ab9cd5a25841d06d.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 2896 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2896 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2896 wrote to memory of 2228 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\11bc9d996ab7b850f862b0acb684008aaff0e90acf52c594ab9cd5a25841d06d.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\11bc9d996ab7b850f862b0acb684008aaff0e90acf52c594ab9cd5a25841d06d.dll,#1

Network

N/A

Files

memory/2228-114-0x0000000000000000-mapping.dmp

memory/2228-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

memory/2228-117-0x00000000026D0000-0x00000000026D6000-memory.dmp