Malware Analysis Report

2025-08-05 16:35

Sample ID 210615-6ejsczvwq2
Target 3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696
SHA256 3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696
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

3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696

Threat Level: Known bad

The file 3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696 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 15:32

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 15:32

Reported

2021-06-15 15:34

Platform

win10v20210410

Max time kernel

17s

Max time network

112s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696.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 500 wrote to memory of 3724 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 500 wrote to memory of 3724 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 500 wrote to memory of 3724 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\3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 676

Network

N/A

Files

memory/3724-114-0x0000000000000000-mapping.dmp

memory/3724-115-0x0000000074300000-0x0000000074330000-memory.dmp

memory/3724-117-0x00000000004F0000-0x000000000063A000-memory.dmp