Malware Analysis Report

2024-11-13 18:03

Sample ID 241109-d12c8syrdk
Target b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf
SHA256 b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b
Tags
upx mirai lzrd botnet defense_evasion discovery
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

b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b

Threat Level: Known bad

The file b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf was found to be: Known bad.

Malicious Activity Summary

upx mirai lzrd botnet defense_evasion discovery

Mirai

Mirai family

Modifies Watchdog functionality

Enumerates running processes

Writes file to system bin folder

UPX packed file

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 03:29

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 03:29

Reported

2024-11-09 03:31

Platform

debian9-armhf-20240729-en

Max time kernel

135s

Max time network

147s

Command Line

[/tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf]

Signatures

Mirai

botnet mirai

Mirai family

mirai

Modifies Watchdog functionality

defense_evasion
Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for modification /dev/misc/watchdog /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A

Enumerates running processes

Writes file to system bin folder

Description Indicator Process Target
File opened for modification /bin/watchdog /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for modification /sbin/watchdog /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/168/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/645/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/7/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/15/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/16/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/151/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/214/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/330/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/581/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/10/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/18/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/43/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/98/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/648/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/5/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/8/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/266/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/279/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/107/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/637/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/27/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/297/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/311/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/22/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/105/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/631/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/642/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/12/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/21/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/300/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/4/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/14/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/25/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/598/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/640/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/self/exe /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/41/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/76/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/264/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/588/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/6/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/139/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/262/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/587/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/638/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/644/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/11/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/17/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/19/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/584/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/23/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/108/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/140/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/3/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/137/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/298/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/643/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/2/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/29/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/1/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/13/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/20/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/42/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A
File opened for reading /proc/280/status /tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf N/A

Processes

/tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf

[/tmp/b6e0e56d091ac5bfff698216e96523627eefb1a16850455593b9f23002c11d2b.elf]

Network

Country Destination Domain Proto
US 198.12.107.126:3778 tcp
US 198.12.107.126:3778 tcp

Files

memory/645-1-0x00008000-0x00025990-memory.dmp