Malware Analysis Report

2025-01-18 16:29

Sample ID 210622-13xkseybcj
Target 288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f
SHA256 288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f
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

288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f

Threat Level: Known bad

The file 288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f 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 05:42

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-22 05:42

Reported

2021-06-22 05:45

Platform

win10v20210410

Max time kernel

19s

Max time network

115s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f.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 3172 wrote to memory of 1628 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3172 wrote to memory of 1628 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3172 wrote to memory of 1628 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\288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f.dll,#1

Network

N/A

Files

memory/1628-114-0x0000000000000000-mapping.dmp

memory/1628-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

memory/1628-117-0x0000000003200000-0x000000000334A000-memory.dmp