Malware Analysis Report

2025-08-10 22:19

Sample ID 210615-63tgzwdxlj
Target 9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70
SHA256 9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70
Tags
dridex 40112 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 Overview

score
10/10

SHA256

9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70

Threat Level: Known bad

The file 9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70 was found to be: Known bad.

Malicious Activity Summary

dridex 40112 botnet loader

Dridex

Dridex Loader

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-06-15 11:21

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 11:21

Reported

2021-06-15 11:24

Platform

win10v20210410

Max time kernel

20s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4440 wrote to memory of 4452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4440 wrote to memory of 4452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4440 wrote to memory of 4452 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\9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 676

Network

N/A

Files

memory/4452-114-0x0000000000000000-mapping.dmp

memory/4452-115-0x0000000074290000-0x00000000742C0000-memory.dmp

memory/4452-117-0x00000000004F0000-0x000000000063A000-memory.dmp