Malware Analysis Report

2025-08-10 22:18

Sample ID 210615-kn9ehgk7yj
Target e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31
SHA256 e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31
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

e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31

Threat Level: Known bad

The file e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31 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 11:30

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 11:30

Reported

2021-06-15 11:32

Platform

win10v20210410

Max time kernel

18s

Max time network

116s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31.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 3244 wrote to memory of 2164 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3244 wrote to memory of 2164 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3244 wrote to memory of 2164 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\e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 684

Network

N/A

Files

memory/2164-114-0x0000000000000000-mapping.dmp

memory/2164-115-0x0000000073860000-0x0000000073890000-memory.dmp

memory/2164-117-0x0000000000C60000-0x0000000000C66000-memory.dmp