Malware Analysis Report

2025-08-10 22:18

Sample ID 210615-zfgpaaw93n
Target 2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295
SHA256 2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295
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

2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295

Threat Level: Known bad

The file 2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295 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 11:04

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-06-15 11:04

Reported

2021-06-15 11:07

Platform

win10v20210410

Max time kernel

18s

Max time network

112s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295.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 2256 wrote to memory of 4052 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2256 wrote to memory of 4052 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2256 wrote to memory of 4052 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\2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 680

Network

N/A

Files

memory/4052-114-0x0000000000000000-mapping.dmp

memory/4052-115-0x0000000073F20000-0x0000000073F50000-memory.dmp

memory/4052-117-0x0000000002AE0000-0x0000000002C2A000-memory.dmp