Malware Analysis Report

2024-12-07 13:44

Sample ID 241115-3pzspstqbv
Target LinuxTF.elf
SHA256 71873b8dc36187919002210ca6b1f3d7bbf8634515e52f05d3e54b1708f15b24
Tags
botnet defense_evasion discovery rootkit
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

71873b8dc36187919002210ca6b1f3d7bbf8634515e52f05d3e54b1708f15b24

Threat Level: Known bad

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

Malicious Activity Summary

botnet defense_evasion discovery rootkit

Contains strings common to LOLSquad DDoS tools

Writes memory of remote process

File and Directory Permissions Modification

Loads a kernel module

Unexpected DNS network traffic destination

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-15 23:42

Signatures

Contains strings common to LOLSquad DDoS tools

botnet
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-15 23:42

Reported

2024-11-15 23:44

Platform

ubuntu2404-amd64-20240523-en

Max time kernel

149s

Max time network

151s

Command Line

[/tmp/LinuxTF.elf]

Signatures

Writes memory of remote process

Description Indicator Process Target
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A

File and Directory Permissions Modification

defense_evasion
Description Indicator Process Target
N/A N/A /usr/bin/chmod N/A
N/A N/A /usr/bin/chmod N/A

Loads a kernel module

rootkit
Description Indicator Process Target
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A
N/A N/A /tmp/LinuxTF.elf N/A

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A
Destination IP 114.114.114.114 N/A N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/filesystems /usr/bin/sed N/A
File opened for reading /proc/filesystems /usr/bin/sed N/A
File opened for reading /proc/filesystems /usr/bin/sed N/A
File opened for reading /proc/filesystems /usr/bin/mv N/A
File opened for reading /proc/filesystems /usr/bin/sed N/A

Processes

/tmp/LinuxTF.elf

[/tmp/LinuxTF.elf]

/usr/bin/chmod

[chmod +x /etc/rc.local]

/usr/bin/mv

[mv /tmp/LinuxTF.elf /etc/LinuxTF.elf]

/usr/bin/chmod

[chmod 777 LinuxTF.elf]

/usr/bin/sed

[sed -i -e /LinuxTF.elf/d /etc/rc.local]

/usr/bin/sed

[sed -i -e 2 i/etc/LinuxTF.elf reboot /etc/rc.local]

/usr/bin/sed

[sed -i -e 2 i/etc/LinuxTF.elf start /etc/rc.d/rc.local]

/usr/bin/sed

[sed -i -e 2 i/etc/LinuxTF.elf start /etc/init.d/boot.local]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 v8.ter.tf udp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 v8.ter.tf udp
CN 114.114.114.114:53 ma.suqi.bf udp
CN 115.238.185.113:6681 ma.suqi.bf tcp
CN 114.114.114.114:53 ma.suqi.bf udp

Files

N/A