Malware Analysis Report

2025-03-15 02:38

Sample ID 240413-bc75rscb4y
Target 1250f7417aa480cb7b1d7ede21ea38f1.bin
SHA256 d4ddcfc82b6e66fae4123f939d55386e7e3e2b6f4c85e6d55a4a52e86e3ef126
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

d4ddcfc82b6e66fae4123f939d55386e7e3e2b6f4c85e6d55a4a52e86e3ef126

Threat Level: Known bad

The file 1250f7417aa480cb7b1d7ede21ea38f1.bin 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

2024-04-13 01:01

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-13 01:01

Reported

2024-04-13 01:03

Platform

debian9-armhf-20240226-en

Max time kernel

1s

Command Line

[/tmp/817e4d91914f1c8acb60b74b56ca7cd786cdc6edaa82c866230bdb76487bbe6f.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/817e4d91914f1c8acb60b74b56ca7cd786cdc6edaa82c866230bdb76487bbe6f.elf N/A

Modifies Watchdog functionality

Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/817e4d91914f1c8acb60b74b56ca7cd786cdc6edaa82c866230bdb76487bbe6f.elf N/A
File opened for modification /dev/misc/watchdog /tmp/817e4d91914f1c8acb60b74b56ca7cd786cdc6edaa82c866230bdb76487bbe6f.elf N/A

Reads runtime system information

Description Indicator Process Target
File opened for reading /proc/self/exe /tmp/817e4d91914f1c8acb60b74b56ca7cd786cdc6edaa82c866230bdb76487bbe6f.elf N/A

Processes

/tmp/817e4d91914f1c8acb60b74b56ca7cd786cdc6edaa82c866230bdb76487bbe6f.elf

[/tmp/817e4d91914f1c8acb60b74b56ca7cd786cdc6edaa82c866230bdb76487bbe6f.elf]

Network

N/A

Files

memory/653-1-0x00008000-0x000257fc-memory.dmp