Malware Analysis Report

2024-12-08 01:51

Sample ID 241122-rm2czayjfp
Target 3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc.exe
SHA256 3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc
Tags
nullmixer dropper discovery
score
10/10

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
10/10

SHA256

3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc

Threat Level: Known bad

The file 3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc.exe was found to be: Known bad.

Malicious Activity Summary

nullmixer dropper discovery

NullMixer

Nullmixer family

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-22 14:19

Signatures

Nullmixer family

nullmixer

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-22 14:19

Reported

2024-11-22 14:21

Platform

win7-20240903-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc.exe"

Signatures

NullMixer

dropper nullmixer

Nullmixer family

nullmixer

Processes

C:\Users\Admin\AppData\Local\Temp\3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc.exe

"C:\Users\Admin\AppData\Local\Temp\3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc.exe"

Network

N/A

Files

memory/2408-0-0x0000000000400000-0x000000000051C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-22 14:19

Reported

2024-11-22 14:21

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc.exe

"C:\Users\Admin\AppData\Local\Temp\3443e48565f9b971dda543f802cbb7abac098545983a74396c8a6d9bce88c2dc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 200.254.1.23.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 71.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

N/A