Malware Analysis Report

2025-01-18 15:59

Sample ID 240301-asnkmagh92
Target afdae9d9181e38dfae7f6b25d94e19ce
SHA256 a8513a6ad49d3d2af677dc5a4e3d485999b2de4a8f0cac96dbbde28eea9b2b2d
Tags
dridex 22201 botnet loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a8513a6ad49d3d2af677dc5a4e3d485999b2de4a8f0cac96dbbde28eea9b2b2d

Threat Level: Known bad

The file afdae9d9181e38dfae7f6b25d94e19ce was found to be: Known bad.

Malicious Activity Summary

dridex 22201 botnet loader

Dridex

Dridex Loader

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-01 00:28

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-01 00:28

Reported

2024-03-01 00:31

Platform

win7-20240221-en

Max time kernel

144s

Max time network

128s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\afdae9d9181e38dfae7f6b25d94e19ce.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\afdae9d9181e38dfae7f6b25d94e19ce.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\afdae9d9181e38dfae7f6b25d94e19ce.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 308

Network

N/A

Files

memory/1652-0-0x0000000075270000-0x00000000752A0000-memory.dmp

memory/1652-1-0x00000000000C0000-0x00000000000C6000-memory.dmp

memory/1652-2-0x0000000075270000-0x00000000752A0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-01 00:28

Reported

2024-03-01 00:31

Platform

win10v2004-20240226-en

Max time kernel

0s

Max time network

8s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\afdae9d9181e38dfae7f6b25d94e19ce.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4168 wrote to memory of 1092 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4168 wrote to memory of 1092 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4168 wrote to memory of 1092 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\afdae9d9181e38dfae7f6b25d94e19ce.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\afdae9d9181e38dfae7f6b25d94e19ce.dll,#1

Network

Files

N/A