Malware Analysis Report

2025-08-05 16:35

Sample ID 210615-qjscq4nlw6
Target b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c
SHA256 b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c
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

b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c

Threat Level: Known bad

The file b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c was found to be: Known bad.

Malicious Activity Summary

dridex 40112 botnet loader

Dridex

Dridex Loader

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-06-15 15:46

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 15:46

Reported

2021-06-15 15:49

Platform

win10v20210408

Max time kernel

22s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c.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 2988 wrote to memory of 3128 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2988 wrote to memory of 3128 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2988 wrote to memory of 3128 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\b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 680

Network

N/A

Files

memory/3128-114-0x0000000000000000-mapping.dmp

memory/3128-115-0x0000000073890000-0x00000000738C0000-memory.dmp

memory/3128-117-0x00000000041C0000-0x00000000041C6000-memory.dmp