Malware Analysis Report

2025-08-10 22:18

Sample ID 210615-a8ed55egyx
Target ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419
SHA256 ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419
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

ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419

Threat Level: Known bad

The file ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419 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 11:15

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 11:15

Reported

2021-06-15 11:18

Platform

win10v20210408

Max time kernel

23s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419.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 752 wrote to memory of 912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 752 wrote to memory of 912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 752 wrote to memory of 912 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\ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 680

Network

N/A

Files

memory/912-114-0x0000000000000000-mapping.dmp

memory/912-115-0x0000000074440000-0x0000000074470000-memory.dmp

memory/912-117-0x0000000002A10000-0x0000000002B5A000-memory.dmp