Malware Analysis Report

2025-01-02 06:05

Sample ID 241123-pxz7js1ncj
Target 3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487.exe
SHA256 3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487
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

3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487

Threat Level: Known bad

The file 3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487.exe was found to be: Known bad.

Malicious Activity Summary

nullmixer dropper discovery

Nullmixer family

NullMixer

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-23 12:43

Signatures

Nullmixer family

nullmixer

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-23 12:43

Reported

2024-11-23 12:45

Platform

win7-20240903-en

Max time kernel

17s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487.exe"

Signatures

NullMixer

dropper nullmixer

Nullmixer family

nullmixer

Processes

C:\Users\Admin\AppData\Local\Temp\3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487.exe

"C:\Users\Admin\AppData\Local\Temp\3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487.exe"

Network

N/A

Files

memory/2508-0-0x0000000000400000-0x000000000051C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-23 12:43

Reported

2024-11-23 12:45

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487.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\3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487.exe

"C:\Users\Admin\AppData\Local\Temp\3da06218f47352b98f799803a8f614883614df1c34135c4f0fe8c01fbd008487.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 102.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 81.14.97.104.in-addr.arpa udp

Files

N/A