Malware Analysis Report

2025-01-18 16:29

Sample ID 210622-7pyavfe9le
Target 9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad
SHA256 9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad
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

9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad

Threat Level: Known bad

The file 9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad 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 11:28

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-22 11:28

Reported

2021-06-22 11:30

Platform

win10v20210410

Max time kernel

18s

Max time network

115s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad.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 3176 wrote to memory of 772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3176 wrote to memory of 772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3176 wrote to memory of 772 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\9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad.dll,#1

Network

N/A

Files

memory/772-114-0x0000000000000000-mapping.dmp

memory/772-115-0x0000000073BF0000-0x0000000073C1D000-memory.dmp

memory/772-117-0x0000000002C00000-0x0000000002C06000-memory.dmp