Malware Analysis Report

2025-08-11 07:17

Sample ID 240803-cva4esvcqb
Target e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1.elf
SHA256 e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1
Tags
upx mirai 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

e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1

Threat Level: Known bad

The file e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1.elf was found to be: Known bad.

Malicious Activity Summary

upx mirai botnet

Mirai

Modifies Watchdog functionality

UPX packed file

Changes its process name

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-03 02:23

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-03 02:23

Reported

2024-08-03 02:25

Platform

ubuntu2404-amd64-20240523-en

Max time kernel

143s

Max time network

152s

Command Line

[/tmp/e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1.elf]

Signatures

Mirai

botnet mirai

Modifies Watchdog functionality

Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1.elf N/A
File opened for modification /dev/misc/watchdog /tmp/e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1.elf N/A

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself /var/www/html /tmp/e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1.elf N/A

Reads runtime system information

Description Indicator Process Target
File opened for reading /proc/self/exe /tmp/e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1.elf N/A

Processes

/tmp/e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1.elf

[/tmp/e20846f76f42befad824f875d34ea50d5ca63fb35604960000a213166614f9c1.elf]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp
NL 194.55.186.158:18999 tcp

Files

memory/2524-1-0x0000000000400000-0x0000000000525ba0-memory.dmp