Malware Analysis Report

2024-10-10 11:01

Sample ID 240710-aexalswdjg
Target 831e4cbcd730cb7c3c23a764b9382b9b.elf
SHA256 7ba6d6ebff8f3a3c0c4f39a3a45ce3d166decfb56ab1213787cc9125a9bb6ec6
Tags
mirai mirai
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

7ba6d6ebff8f3a3c0c4f39a3a45ce3d166decfb56ab1213787cc9125a9bb6ec6

Threat Level: Known bad

The file 831e4cbcd730cb7c3c23a764b9382b9b.elf was found to be: Known bad.

Malicious Activity Summary

mirai mirai

Mirai family

Deletes itself

Modifies Watchdog functionality

Enumerates active TCP sockets

Changes its process name

Reads system network configuration

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-10 00:08

Signatures

Mirai family

mirai

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-10 00:08

Reported

2024-07-10 00:10

Platform

ubuntu1804-amd64-20240508-en

Max time kernel

143s

Max time network

149s

Command Line

[/tmp/831e4cbcd730cb7c3c23a764b9382b9b.elf]

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A /tmp/831e4cbcd730cb7c3c23a764b9382b9b.elf N/A

Modifies Watchdog functionality

Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/831e4cbcd730cb7c3c23a764b9382b9b.elf N/A
File opened for modification /dev/misc/watchdog /tmp/831e4cbcd730cb7c3c23a764b9382b9b.elf N/A

Enumerates active TCP sockets

Description Indicator Process Target
File opened for reading /proc/net/tcp /tmp/831e4cbcd730cb7c3c23a764b9382b9b.elf N/A

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself N/A /tmp/831e4cbcd730cb7c3c23a764b9382b9b.elf N/A

Reads system network configuration

Description Indicator Process Target
File opened for reading /proc/net/tcp /tmp/831e4cbcd730cb7c3c23a764b9382b9b.elf N/A

Processes

/tmp/831e4cbcd730cb7c3c23a764b9382b9b.elf

[/tmp/831e4cbcd730cb7c3c23a764b9382b9b.elf]

Network

Country Destination Domain Proto
US 65.222.202.53:80 tcp
N/A 224.0.0.251:5353 udp
GB 185.125.188.62:443 tcp
GB 185.125.188.61:443 tcp
US 151.101.193.91:443 tcp
US 151.101.193.91:443 tcp
GB 195.181.164.16:443 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp
US 65.222.202.53:80 tcp

Files

N/A