Malware Analysis Report

2025-08-05 16:34

Sample ID 210615-q2sxfp5jjj
Target a0248328ba21393193c4af21d956265d866e6658b1f3e18d4c48d5ec9014bee8
SHA256 a0248328ba21393193c4af21d956265d866e6658b1f3e18d4c48d5ec9014bee8
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

a0248328ba21393193c4af21d956265d866e6658b1f3e18d4c48d5ec9014bee8

Threat Level: Known bad

The file a0248328ba21393193c4af21d956265d866e6658b1f3e18d4c48d5ec9014bee8 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 15:26

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 15:26

Reported

2021-06-15 15:29

Platform

win10v20210410

Max time kernel

17s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0248328ba21393193c4af21d956265d866e6658b1f3e18d4c48d5ec9014bee8.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 3368 wrote to memory of 3696 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3368 wrote to memory of 3696 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3368 wrote to memory of 3696 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0248328ba21393193c4af21d956265d866e6658b1f3e18d4c48d5ec9014bee8.dll,#1

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0248328ba21393193c4af21d956265d866e6658b1f3e18d4c48d5ec9014bee8.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 684

Network

N/A

Files

memory/3696-114-0x0000000000000000-mapping.dmp

memory/3696-115-0x0000000073E80000-0x0000000073EB0000-memory.dmp

memory/3696-117-0x0000000004590000-0x0000000004596000-memory.dmp