Malware Analysis Report

2025-03-15 06:09

Sample ID 240521-rjthysgg8y
Target 86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf
SHA256 86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf
Tags
upx mirai lzrd 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

86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf

Threat Level: Known bad

The file 86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf was found to be: Known bad.

Malicious Activity Summary

upx mirai lzrd botnet

Mirai

Modifies Watchdog functionality

UPX packed file

Enumerates running processes

Writes file to system bin folder

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-21 14:13

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 14:13

Reported

2024-05-21 14:16

Platform

ubuntu2004-amd64-20240508-en

Max time kernel

149s

Max time network

133s

Command Line

[/tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf]

Signatures

Mirai

botnet mirai

Modifies Watchdog functionality

Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for modification /dev/misc/watchdog /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A

Enumerates running processes

Writes file to system bin folder

Description Indicator Process Target
File opened for modification /sbin/watchdog /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for modification /bin/watchdog /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A

Reads runtime system information

Description Indicator Process Target
File opened for reading /proc/1082/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1149/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/808/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/814/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1128/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1095/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1121/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/403/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/446/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/568/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/957/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/970/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1027/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1090/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1182/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1183/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/452/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/491/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/538/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/806/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/865/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1088/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/481/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/629/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/856/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1041/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/800/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/805/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1045/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1070/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1089/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1409/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1109/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/461/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/657/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/673/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1098/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/541/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/987/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1334/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/462/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/698/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1258/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/681/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/963/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1002/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/652/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/951/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1037/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1097/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1124/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1407/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/524/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/565/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1079/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/507/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/860/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1351/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/554/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/788/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/993/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/694/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/1107/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A
File opened for reading /proc/508/cmdline /tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf N/A

Processes

/tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf

[/tmp/86fb9cd7b19cb7a88cd7eae579d2656331110b296e40a535010affc6ce3b86cf.elf]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 141.11.92.115:3778 tcp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp

Files

memory/1411-1-0x0000000008048000-0x00000000080568e8-memory.dmp