Malware Analysis Report

2025-03-15 02:18

Sample ID 240412-bl52rseb4t
Target 64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54.elf
SHA256 64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54
Tags
upx mirai botnet botnet
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 Overview

score
10/10

SHA256

64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54

Threat Level: Known bad

The file 64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54.elf was found to be: Known bad.

Malicious Activity Summary

upx mirai botnet botnet

Mirai

UPX packed file

Changes its process name

Modifies Watchdog functionality

Enumerates active TCP sockets

Reads system network configuration

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-12 01:14

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-12 01:14

Reported

2024-04-12 01:17

Platform

debian9-mipsbe-20240226-en

Max time kernel

5s

Command Line

[/tmp/64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54.elf]

Signatures

Mirai

botnet mirai

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself /var/Sofia /tmp/64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54.elf N/A

Modifies Watchdog functionality

Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54.elf N/A
File opened for modification /dev/misc/watchdog /tmp/64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54.elf N/A

Enumerates active TCP sockets

Description Indicator Process Target
File opened for reading /proc/net/tcp /tmp/64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54.elf N/A

Reads system network configuration

Description Indicator Process Target
File opened for reading /proc/net/tcp /tmp/64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54.elf N/A

Processes

/tmp/64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54.elf

[/tmp/64a3448a84f5d1b31fc35d5dcddeccc0445da443ec1309334b0c72ad1d784b54.elf]

Network

N/A

Files

memory/690-1-0x00400000-0x0042da10-memory.dmp