Malware Analysis Report

2024-12-08 01:51

Sample ID 241121-an4q2sxdkm
Target e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593.exe
SHA256 e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593
Tags
discovery nullmixer dropper
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593

Threat Level: Known bad

The file e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593.exe was found to be: Known bad.

Malicious Activity Summary

discovery nullmixer dropper

Nullmixer family

NullMixer

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 00:22

Signatures

Nullmixer family

nullmixer

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 00:22

Reported

2024-11-21 00:24

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593.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\e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593.exe

"C:\Users\Admin\AppData\Local\Temp\e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593.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 96.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 00:22

Reported

2024-11-21 00:24

Platform

win7-20240903-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593.exe"

Signatures

NullMixer

dropper nullmixer

Nullmixer family

nullmixer

Processes

C:\Users\Admin\AppData\Local\Temp\e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593.exe

"C:\Users\Admin\AppData\Local\Temp\e3cac0187e7c388471ddca3f67ae661223dd20a7c8fbcd1990fe0b0ee44b7593.exe"

Network

N/A

Files

memory/2452-0-0x0000000000400000-0x000000000051B000-memory.dmp