Malware Analysis Report

2025-08-10 22:18

Sample ID 210615-3nl3adymes
Target 67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3
SHA256 67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3
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

67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3

Threat Level: Known bad

The file 67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3 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 11:21

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 11:21

Reported

2021-06-15 11:24

Platform

win10v20210408

Max time kernel

27s

Max time network

135s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3.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 3164 wrote to memory of 1124 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3164 wrote to memory of 1124 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3164 wrote to memory of 1124 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\67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 684

Network

N/A

Files

memory/1124-114-0x0000000000000000-mapping.dmp

memory/1124-115-0x0000000074310000-0x0000000074340000-memory.dmp

memory/1124-117-0x0000000000870000-0x000000000091E000-memory.dmp