Malware Analysis Report

2025-06-15 23:19

Sample ID 241013-yhjqpavejg
Target 9ff2daaf1375355d4829ad206ac92e2c.elf
SHA256 241c94a3458c65a9bf658fa6ab5b21bb74547a1e01bff35bfe8311c85c5f3ce8
Tags
upx mirai 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

241c94a3458c65a9bf658fa6ab5b21bb74547a1e01bff35bfe8311c85c5f3ce8

Threat Level: Known bad

The file 9ff2daaf1375355d4829ad206ac92e2c.elf was found to be: Known bad.

Malicious Activity Summary

upx mirai botnet defense_evasion discovery

Mirai

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

2024-10-13 19:47

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-13 19:47

Reported

2024-10-13 19:49

Platform

debian9-mipsel-20240418-en

Max time kernel

135s

Max time network

149s

Command Line

[/tmp/9ff2daaf1375355d4829ad206ac92e2c.elf]

Signatures

Mirai

botnet mirai

Modifies Watchdog functionality

defense_evasion
Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for modification /dev/misc/watchdog /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A

Enumerates running processes

Writes file to system bin folder

Description Indicator Process Target
File opened for modification /sbin/watchdog /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for modification /bin/watchdog /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/154/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/713/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/2/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/3/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/9/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/18/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/82/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/323/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/672/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/4/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/19/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/73/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/75/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/208/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/355/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/10/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/21/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/7/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/16/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/20/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/71/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/74/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/111/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/710/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/37/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/70/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/79/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/322/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/378/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/671/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/6/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/150/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/716/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/8/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/13/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/77/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/376/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/718/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/14/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/24/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/36/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/72/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/121/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/668/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/721/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/15/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/17/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/23/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/325/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/383/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/711/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/5/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/22/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/122/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/320/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/714/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/12/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/76/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/318/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/717/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/1/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/78/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/665/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/11/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A

Processes

/tmp/9ff2daaf1375355d4829ad206ac92e2c.elf

[/tmp/9ff2daaf1375355d4829ad206ac92e2c.elf]

Network

Country Destination Domain Proto
DE 45.131.65.138:3778 tcp
DE 45.131.65.138:3778 tcp

Files

memory/718-1-0x00400000-0x0043affc-memory.dmp