Malware Analysis Report

2025-03-15 02:18

Sample ID 240411-1g2k8ahb2z
Target f2389973a7cf3b752be8969397f10c99.elf
SHA256 cf0f9637685cc55205b7a315d6d0c5241b7cf4cfbbd571e74427ef54caf586f1
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

cf0f9637685cc55205b7a315d6d0c5241b7cf4cfbbd571e74427ef54caf586f1

Threat Level: Known bad

The file f2389973a7cf3b752be8969397f10c99.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

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-11 21:38

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-11 21:38

Reported

2024-04-11 21:40

Platform

debian9-armhf-20240226-en

Max time kernel

0s

Command Line

[/tmp/f2389973a7cf3b752be8969397f10c99.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/f2389973a7cf3b752be8969397f10c99.elf N/A

Modifies Watchdog functionality

Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/f2389973a7cf3b752be8969397f10c99.elf N/A
File opened for modification /dev/misc/watchdog /tmp/f2389973a7cf3b752be8969397f10c99.elf N/A

Reads runtime system information

Description Indicator Process Target
File opened for reading /proc/self/exe /tmp/f2389973a7cf3b752be8969397f10c99.elf N/A

Processes

/tmp/f2389973a7cf3b752be8969397f10c99.elf

[/tmp/f2389973a7cf3b752be8969397f10c99.elf]

Network

N/A

Files

memory/648-1-0x00008000-0x00028a0c-memory.dmp