Malware Analysis Report

2025-03-15 03:05

Sample ID 240412-bxad8sbc93
Target b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1.elf
SHA256 b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1
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

b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1

Threat Level: Known bad

The file b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1.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 01:30

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 01:30

Reported

2024-04-12 01:33

Platform

debian9-mipsel-20240226-en

Max time kernel

5s

Command Line

[/tmp/b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1.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/b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1.elf N/A

Modifies Watchdog functionality

Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1.elf N/A
File opened for modification /dev/misc/watchdog /tmp/b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1.elf N/A

Enumerates active TCP sockets

Description Indicator Process Target
File opened for reading /proc/net/tcp /tmp/b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1.elf N/A

Reads system network configuration

Description Indicator Process Target
File opened for reading /proc/net/tcp /tmp/b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1.elf N/A

Processes

/tmp/b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1.elf

[/tmp/b6a7195124063e5604b8b58d2a3fc2a64a683fd1d561d5687d34861fea610cc1.elf]

Network

N/A

Files

memory/711-1-0x00400000-0x0042dc40-memory.dmp