Malware Analysis Report

2025-08-10 22:18

Sample ID 210615-8hsyn68dxn
Target 57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9
SHA256 57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9
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

57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9

Threat Level: Known bad

The file 57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9 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 11:08

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 11:08

Reported

2021-06-15 11:11

Platform

win10v20210408

Max time kernel

28s

Max time network

113s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9.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 796 wrote to memory of 1324 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 796 wrote to memory of 1324 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 796 wrote to memory of 1324 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\57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1324 -s 688

Network

N/A

Files

memory/1324-114-0x0000000000000000-mapping.dmp

memory/1324-115-0x00000000736D0000-0x0000000073700000-memory.dmp

memory/1324-117-0x0000000000F20000-0x0000000000F26000-memory.dmp