Malware Analysis Report

2025-08-05 10:06

Sample ID 230501-nxyhaafd36
Target k3265.exe
SHA256 921f7e253498c76694e9e8a7cde9552ef163f1292692781e23a272c7ad0bbb92
Tags
lumma discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

921f7e253498c76694e9e8a7cde9552ef163f1292692781e23a272c7ad0bbb92

Threat Level: Known bad

The file k3265.exe was found to be: Known bad.

Malicious Activity Summary

lumma discovery spyware stealer

Lumma Stealer

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-01 11:47

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-01 11:47

Reported

2023-05-01 11:52

Platform

win10v2004-20230220-en

Max time kernel

291s

Max time network

297s

Command Line

"C:\Users\Admin\AppData\Local\Temp\k3265.exe"

Signatures

Lumma Stealer

stealer lumma

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Processes

C:\Users\Admin\AppData\Local\Temp\k3265.exe

"C:\Users\Admin\AppData\Local\Temp\k3265.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 82.117.255.127:80 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 82.117.255.127:80 tcp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 40.77.2.164:443 tcp
US 13.89.179.9:443 tcp
US 82.117.255.127:80 tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp
US 82.117.255.127:80 tcp

Files

memory/1280-133-0x0000000000400000-0x0000000000464000-memory.dmp

memory/1280-135-0x00000000021F0000-0x0000000002229000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-01 11:47

Reported

2023-05-01 11:52

Platform

win7-20230220-en

Max time kernel

300s

Max time network

302s

Command Line

"C:\Users\Admin\AppData\Local\Temp\k3265.exe"

Signatures

Lumma Stealer

stealer lumma

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Processes

C:\Users\Admin\AppData\Local\Temp\k3265.exe

"C:\Users\Admin\AppData\Local\Temp\k3265.exe"

Network

Country Destination Domain Proto
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp
US 82.117.255.127:80 tcp

Files

memory/1156-54-0x0000000000400000-0x0000000000464000-memory.dmp

memory/1156-56-0x0000000001D70000-0x0000000001DA9000-memory.dmp