Malware Analysis Report

2025-08-05 16:34

Sample ID 210615-48vc5hbmmj
Target 1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d
SHA256 1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d
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

1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d

Threat Level: Known bad

The file 1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d was found to be: Known bad.

Malicious Activity Summary

dridex 40112 botnet loader

Dridex

Dridex Loader

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-06-15 15:47

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 15:47

Reported

2021-06-15 15:50

Platform

win10v20210410

Max time kernel

17s

Max time network

139s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d.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 3876 wrote to memory of 3120 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3876 wrote to memory of 3120 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3876 wrote to memory of 3120 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\1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 680

Network

N/A

Files

memory/3120-114-0x0000000000000000-mapping.dmp

memory/3120-115-0x0000000074300000-0x0000000074330000-memory.dmp

memory/3120-117-0x0000000002750000-0x0000000002773000-memory.dmp