Malware Analysis Report

2024-11-13 18:02

Sample ID 241109-elxxyaxcql
Target f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf
SHA256 f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a
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

f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a

Threat Level: Known bad

The file f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.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 04:02

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 04:02

Reported

2024-11-09 04:04

Platform

debian9-armhf-20240611-en

Max time kernel

135s

Max time network

150s

Command Line

[/tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf]

Signatures

Mirai

botnet mirai

Mirai family

mirai

Modifies Watchdog functionality

defense_evasion
Description Indicator Process Target
File opened for modification /dev/misc/watchdog /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for modification /dev/watchdog /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A

Enumerates running processes

Writes file to system bin folder

Description Indicator Process Target
File opened for modification /sbin/watchdog /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for modification /bin/watchdog /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/6/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/8/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/14/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/106/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/17/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/166/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/642/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/649/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/27/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/29/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/107/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/305/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/266/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/308/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/401/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/636/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/12/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/22/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/25/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/104/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/202/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/18/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/137/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/139/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/149/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/7/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/647/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/20/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/267/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/286/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/414/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/645/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/650/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/2/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/23/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/24/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/28/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/4/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/284/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/302/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/653/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/643/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/1/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/10/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/21/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/43/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/265/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/648/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/19/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/74/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/318/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/605/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/self/exe /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/9/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/11/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/16/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/147/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/461/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/462/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/13/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/15/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/26/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/42/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A
File opened for reading /proc/3/status /tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf N/A

Processes

/tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf

[/tmp/f1aa8dc8f3985ea6bc7535424addcd5c004f6d64949a2b92a229ae785a88587a.elf]

Network

Country Destination Domain Proto
DE 157.173.118.27:3778 tcp
DE 157.173.118.27:3778 tcp

Files

memory/650-1-0x00008000-0x000236c8-memory.dmp