Malware Analysis Report

2025-01-18 16:30

Sample ID 210623-fdk5lprar6
Target 88a7729a263c916cab66ec3d8a3164df65cf54b4362b54c5ac84d446f9e8a832
SHA256 88a7729a263c916cab66ec3d8a3164df65cf54b4362b54c5ac84d446f9e8a832
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

88a7729a263c916cab66ec3d8a3164df65cf54b4362b54c5ac84d446f9e8a832

Threat Level: Known bad

The file 88a7729a263c916cab66ec3d8a3164df65cf54b4362b54c5ac84d446f9e8a832 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 04:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-23 04:50

Reported

2021-06-23 04:52

Platform

win10v20210410

Max time kernel

21s

Max time network

117s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\88a7729a263c916cab66ec3d8a3164df65cf54b4362b54c5ac84d446f9e8a832.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 3916 wrote to memory of 3872 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3916 wrote to memory of 3872 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3916 wrote to memory of 3872 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\88a7729a263c916cab66ec3d8a3164df65cf54b4362b54c5ac84d446f9e8a832.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\88a7729a263c916cab66ec3d8a3164df65cf54b4362b54c5ac84d446f9e8a832.dll,#1

Network

N/A

Files

memory/3872-114-0x0000000000000000-mapping.dmp

memory/3872-115-0x0000000073A10000-0x0000000073A3E000-memory.dmp

memory/3872-117-0x0000000000FA0000-0x0000000000FA6000-memory.dmp