Malware Analysis Report

2025-08-05 15:06

Sample ID 250519-sgt75sap4x
Target 2025-05-19_c33865c790eb29670967c6c98b277472_coinminer_polyvice
SHA256 669c76fe89d96138f4ee3c79802fc769e5c341705d40650ae5269f5e29970589
Tags
ransomware spyware stealer
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

669c76fe89d96138f4ee3c79802fc769e5c341705d40650ae5269f5e29970589

Threat Level: Likely malicious

The file 2025-05-19_c33865c790eb29670967c6c98b277472_coinminer_polyvice was found to be: Likely malicious.

Malicious Activity Summary

ransomware spyware stealer

Renames multiple (438) files with added filename extension

Reads user/profile data of web browsers

Sets desktop wallpaper using registry

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-19 15:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-19 15:06

Reported

2025-05-19 15:08

Platform

win10v2004-20250502-en

Max time kernel

103s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-05-19_c33865c790eb29670967c6c98b277472_coinminer_polyvice.exe"

Signatures

Renames multiple (438) files with added filename extension

ransomware

Reads user/profile data of web browsers

spyware stealer

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3623617754-4043701611-775564599-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\wallpaper_temp_5024.png" C:\Users\Admin\AppData\Local\Temp\2025-05-19_c33865c790eb29670967c6c98b277472_coinminer_polyvice.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2025-05-19_c33865c790eb29670967c6c98b277472_coinminer_polyvice.exe

"C:\Users\Admin\AppData\Local\Temp\2025-05-19_c33865c790eb29670967c6c98b277472_coinminer_polyvice.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
IE 95.100.98.96:443 www.bing.com tcp
IE 95.100.98.96:443 www.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 c.pki.goog udp
GB 216.58.201.99:80 c.pki.goog tcp

Files

memory/5024-440-0x00007FF634540000-0x00007FF634955000-memory.dmp