Malware Analysis Report

2024-11-13 17:36

Sample ID 241110-b3fs7swkhv
Target ad8b4e31cbf11ef9a5b75de2f91ff1f51ce5f70b3a8ae486e7539cfdfed9069b
SHA256 ad8b4e31cbf11ef9a5b75de2f91ff1f51ce5f70b3a8ae486e7539cfdfed9069b
Tags
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
3/10

SHA256

ad8b4e31cbf11ef9a5b75de2f91ff1f51ce5f70b3a8ae486e7539cfdfed9069b

Threat Level: Likely benign

The file ad8b4e31cbf11ef9a5b75de2f91ff1f51ce5f70b3a8ae486e7539cfdfed9069b was found to be: Likely benign.

Malicious Activity Summary

discovery

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:39

Reported

2024-11-10 01:42

Platform

win7-20241010-en

Max time kernel

118s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad8b4e31cbf11ef9a5b75de2f91ff1f51ce5f70b3a8ae486e7539cfdfed9069b.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 2884 wrote to memory of 2916 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2916 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2916 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2916 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2916 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2916 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2916 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\ad8b4e31cbf11ef9a5b75de2f91ff1f51ce5f70b3a8ae486e7539cfdfed9069b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad8b4e31cbf11ef9a5b75de2f91ff1f51ce5f70b3a8ae486e7539cfdfed9069b.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 01:39

Reported

2024-11-10 01:42

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

136s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad8b4e31cbf11ef9a5b75de2f91ff1f51ce5f70b3a8ae486e7539cfdfed9069b.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 3512 wrote to memory of 4588 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3512 wrote to memory of 4588 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3512 wrote to memory of 4588 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\ad8b4e31cbf11ef9a5b75de2f91ff1f51ce5f70b3a8ae486e7539cfdfed9069b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad8b4e31cbf11ef9a5b75de2f91ff1f51ce5f70b3a8ae486e7539cfdfed9069b.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

N/A