Malware Analysis Report

2025-08-10 22:18

Sample ID 210615-1fgk2s33ve
Target 4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8
SHA256 4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8
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

4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8

Threat Level: Known bad

The file 4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8 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 11:11

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 11:11

Reported

2021-06-15 11:14

Platform

win10v20210410

Max time kernel

19s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8.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 4024 wrote to memory of 4004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4024 wrote to memory of 4004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4024 wrote to memory of 4004 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\4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 676

Network

N/A

Files

memory/4004-114-0x0000000000000000-mapping.dmp

memory/4004-115-0x0000000074480000-0x00000000744B0000-memory.dmp

memory/4004-117-0x00000000032D0000-0x00000000032F3000-memory.dmp