Malware Analysis Report

2025-08-05 17:00

Sample ID 240108-d87vzsaebm
Target 4a581fb9d84e2ff55ac3f6c2c7248531
SHA256 2ba898c8a15f1e8e794649adf5b33cb6441061b0cf5004d184faff9ce6f81002
Tags
score
3/10

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
3/10

SHA256

2ba898c8a15f1e8e794649adf5b33cb6441061b0cf5004d184faff9ce6f81002

Threat Level: Likely benign

The file 4a581fb9d84e2ff55ac3f6c2c7248531 was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-08 03:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-08 03:41

Reported

2024-01-08 03:44

Platform

win7-20231215-en

Max time kernel

121s

Max time network

122s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4a581fb9d84e2ff55ac3f6c2c7248531.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3068 wrote to memory of 2520 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3068 wrote to memory of 2520 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3068 wrote to memory of 2520 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3068 wrote to memory of 2520 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3068 wrote to memory of 2520 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3068 wrote to memory of 2520 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3068 wrote to memory of 2520 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4a581fb9d84e2ff55ac3f6c2c7248531.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\4a581fb9d84e2ff55ac3f6c2c7248531.dll

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-08 03:41

Reported

2024-01-08 03:44

Platform

win10v2004-20231215-en

Max time kernel

144s

Max time network

154s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4a581fb9d84e2ff55ac3f6c2c7248531.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2948 wrote to memory of 4976 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2948 wrote to memory of 4976 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2948 wrote to memory of 4976 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4a581fb9d84e2ff55ac3f6c2c7248531.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\4a581fb9d84e2ff55ac3f6c2c7248531.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.73.42.20.in-addr.arpa udp

Files

N/A