Malware Analysis Report

2025-08-05 16:35

Sample ID 210615-n6z4a7etke
Target 76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d
SHA256 76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d
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

76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d

Threat Level: Known bad

The file 76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d 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 15:23

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 15:23

Reported

2021-06-15 15:25

Platform

win10v20210408

Max time kernel

25s

Max time network

136s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d.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 860 wrote to memory of 1592 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 860 wrote to memory of 1592 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 860 wrote to memory of 1592 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\76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 684

Network

N/A

Files

memory/1592-114-0x0000000000000000-mapping.dmp

memory/1592-115-0x0000000073D90000-0x0000000073DC0000-memory.dmp

memory/1592-117-0x0000000002600000-0x000000000274A000-memory.dmp