Malware Analysis Report

2025-08-05 16:35

Sample ID 210615-6fcd2hyvgs
Target 8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5
SHA256 8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5
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

8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5

Threat Level: Known bad

The file 8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5 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 15:40

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 15:40

Reported

2021-06-15 15:43

Platform

win10v20210410

Max time kernel

17s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5.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 3724 wrote to memory of 3196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3724 wrote to memory of 3196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3724 wrote to memory of 3196 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\8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 680

Network

N/A

Files

memory/3196-114-0x0000000000000000-mapping.dmp

memory/3196-115-0x0000000074380000-0x00000000743B0000-memory.dmp

memory/3196-117-0x0000000003200000-0x000000000334A000-memory.dmp