Malware Analysis Report

2025-08-10 22:18

Sample ID 210615-hy9v9vgv4n
Target 829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713
SHA256 829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713
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

829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713

Threat Level: Known bad

The file 829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713 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 11:10

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 11:10

Reported

2021-06-15 11:13

Platform

win10v20210408

Max time kernel

28s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713.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 744 wrote to memory of 432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 744 wrote to memory of 432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 744 wrote to memory of 432 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\829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 684

Network

N/A

Files

memory/432-114-0x0000000000000000-mapping.dmp

memory/432-115-0x0000000074400000-0x0000000074430000-memory.dmp

memory/432-117-0x00000000003F0000-0x00000000003F6000-memory.dmp