Malware Analysis Report

2024-11-30 23:18

Sample ID 241117-zyyefssrgp
Target fagality.dll
SHA256 74a00336a08201483ce04dc30891b077b614cd5023336efac17a5aaa9ddd8b8e
Tags
erbium discovery
score
3/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
3/10

SHA256

74a00336a08201483ce04dc30891b077b614cd5023336efac17a5aaa9ddd8b8e

Threat Level: Likely benign

The file fagality.dll was found to be: Likely benign.

Malicious Activity Summary

erbium discovery

Erbium family

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 21:08

Signatures

Erbium family

erbium

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 21:08

Reported

2024-11-17 21:09

Platform

win11-20241007-de

Max time kernel

6s

Command Line

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

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5084 wrote to memory of 2752 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5084 wrote to memory of 2752 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5084 wrote to memory of 2752 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\fagality.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2752 -ip 2752

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2752 -ip 2752

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 520

Network

N/A

Files

N/A