Malware Analysis Report

2025-05-05 22:25

Sample ID 231012-h7aw3sdf4y
Target novapdfs.exe
SHA256 71f777d0e779a7bf0da20ebdf3313557bb361f03e1cdddfeb9551939e74d9d90
Tags
agilenet
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

71f777d0e779a7bf0da20ebdf3313557bb361f03e1cdddfeb9551939e74d9d90

Threat Level: Shows suspicious behavior

The file novapdfs.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

agilenet

Obfuscated with Agile.Net obfuscator

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-12 07:22

Signatures

Obfuscated with Agile.Net obfuscator

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-12 07:22

Reported

2023-10-13 13:21

Platform

win7-20230831-en

Max time kernel

119s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\novapdfs.exe"

Signatures

Obfuscated with Agile.Net obfuscator

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2996 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\novapdfs.exe C:\Windows\system32\WerFault.exe
PID 2996 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\novapdfs.exe C:\Windows\system32\WerFault.exe
PID 2996 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\novapdfs.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\novapdfs.exe

"C:\Users\Admin\AppData\Local\Temp\novapdfs.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2996 -s 528

Network

N/A

Files

memory/2996-0-0x000007FEF5C80000-0x000007FEF666C000-memory.dmp

memory/2996-1-0x000007FEF5C80000-0x000007FEF666C000-memory.dmp

memory/2996-2-0x0000000000AD0000-0x0000000000AE0000-memory.dmp

memory/2996-3-0x000000001B2D0000-0x000000001B350000-memory.dmp

memory/2996-4-0x000000001B2D0000-0x000000001B350000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-12 07:22

Reported

2023-10-13 13:23

Platform

win10v2004-20230915-en

Max time kernel

173s

Max time network

189s

Command Line

"C:\Users\Admin\AppData\Local\Temp\novapdfs.exe"

Signatures

Obfuscated with Agile.Net obfuscator

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

Processes

C:\Users\Admin\AppData\Local\Temp\novapdfs.exe

"C:\Users\Admin\AppData\Local\Temp\novapdfs.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp

Files

memory/2908-0-0x000001EC2C760000-0x000001EC2C770000-memory.dmp

memory/2908-1-0x00007FFFEACD0000-0x00007FFFEB791000-memory.dmp

memory/2908-2-0x000001EC46CE0000-0x000001EC46CF0000-memory.dmp

memory/2908-3-0x00007FFFEACD0000-0x00007FFFEB791000-memory.dmp