Malware Analysis Report

2024-10-10 10:57

Sample ID 240721-w269zs1frk
Target 91449c2830e32f60d5b4a1c4aaece84d.elf
SHA256 82cac44937ab2d7c20d46e53b87a73594824457443a1946083df6cca33e324cf
Tags
upx mirai 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

82cac44937ab2d7c20d46e53b87a73594824457443a1946083df6cca33e324cf

Threat Level: Known bad

The file 91449c2830e32f60d5b4a1c4aaece84d.elf was found to be: Known bad.

Malicious Activity Summary

upx mirai mirai botnet

Mirai

UPX packed file

Deletes itself

Modifies Watchdog functionality

Changes its process name

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-21 18:26

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-21 18:26

Reported

2024-07-21 18:29

Platform

debian12-armhf-20240221-en

Max time kernel

150s

Max time network

153s

Command Line

[/tmp/91449c2830e32f60d5b4a1c4aaece84d.elf]

Signatures

Mirai

botnet mirai

Deletes itself

Description Indicator Process Target
N/A N/A /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A

Modifies Watchdog functionality

Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for modification /dev/misc/watchdog /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself sb4bdmq0rsbdo68mq8vw /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A

Reads runtime system information

Description Indicator Process Target
File opened for reading /proc/222c�/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/33/stat /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/55cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/222cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/6666v7cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/99ssd/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/111/stat /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/111p/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/222�/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/333�/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/6666�:cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777v;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/6666/stat /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/333�/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/1111�/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/1111;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/77/stat /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/3333u4cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/3333�4cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/3333/stat /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/444cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/444d�/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/222m�/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777<cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/333s�/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/11/stat /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/2222�2cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/2222�3cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/6666�7cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/88/stat /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/self/exe /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/333s�/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/6666'8cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/2222/stat /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/44cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/66cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/6666�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/111cv/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/777k�/cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/666688cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A
File opened for reading /proc/7777�;cmdline /tmp/91449c2830e32f60d5b4a1c4aaece84d.elf N/A

Processes

/tmp/91449c2830e32f60d5b4a1c4aaece84d.elf

[/tmp/91449c2830e32f60d5b4a1c4aaece84d.elf]

Network

Country Destination Domain Proto
NL 91.92.241.118:18129 tcp
US 1.1.1.1:53 debian12-armhf-20240221-en-12 udp
US 1.1.1.1:53 debian12-armhf-20240221-en-12 udp
US 1.1.1.1:53 debian12-armhf-20240221-en-12 udp
US 1.1.1.1:53 debian12-armhf-20240221-en-12 udp

Files

memory/709-1-0x00008000-0x000297a4-memory.dmp