Malware Analysis Report

2024-11-13 18:02

Sample ID 241109-d2vbbayrep
Target ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf
SHA256 ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb
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

ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb

Threat Level: Known bad

The file ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf was found to be: Known bad.

Malicious Activity Summary

upx mirai lzrd botnet defense_evasion discovery

Mirai family

Mirai

Modifies Watchdog functionality

Writes file to system bin folder

UPX packed file

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 03:30

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 03:30

Reported

2024-11-09 03:33

Platform

debian12-armhf-20240418-en

Max time kernel

149s

Max time network

144s

Command Line

[/tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf]

Signatures

Mirai

botnet mirai

Mirai family

mirai

Modifies Watchdog functionality

defense_evasion
Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for modification /dev/misc/watchdog /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A

Writes file to system bin folder

Description Indicator Process Target
File opened for modification /sbin/watchdog /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for modification /bin/watchdog /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/723/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/645/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/661/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/663/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/680/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/703/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/704/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/710/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/self/exe /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/629/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/646/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A
File opened for reading /proc/698/cmdline /tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf N/A

Processes

/tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf

[/tmp/ba149587eed6ccdeaa6a76d2b6ac00b005987ae43d408efbb3ca90ce64356fdb.elf]

Network

Country Destination Domain Proto
GB 37.230.62.25:3778 tcp
US 1.1.1.1:53 debian12-armhf-20240418-en-4 udp
US 1.1.1.1:53 debian12-armhf-20240418-en-4 udp
US 1.1.1.1:53 debian12-armhf-20240418-en-4 udp
US 1.1.1.1:53 debian12-armhf-20240418-en-4 udp

Files

memory/705-1-0x00008000-0x00026464-memory.dmp