Malware Analysis Report

2025-06-15 23:23

Sample ID 241013-yj4ggszcjj
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 19:49

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 19:49

Reported

2024-10-13 19:52

Platform

debian12-mipsel-20240221-en

Max time kernel

139s

Max time network

162s

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/748/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/21/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/23/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/48/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/137/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/718/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/34/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/118/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/180/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/631/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/10/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/15/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/20/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/26/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/3/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/13/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/58/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/27/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/29/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/421/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/694/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/2/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/33/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/136/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/202/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/42/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/113/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/397/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/630/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/11/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/16/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/19/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/32/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/30/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/635/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/714/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/720/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/733/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/4/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/8/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/114/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/396/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/747/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/407/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/712/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/732/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/6/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/7/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/9/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/53/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/411/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/690/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/692/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/17/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/28/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/31/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/404/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/736/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/24/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/25/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/59/status /tmp/9ff2daaf1375355d4829ad206ac92e2c.elf N/A
File opened for reading /proc/112/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
US 1.1.1.1:53 debian12-mipsel-20240221-en-4 udp
US 1.1.1.1:53 debian12-mipsel-20240221-en-4 udp
US 1.1.1.1:53 debian12-mipsel-20240221-en-4 udp
US 1.1.1.1:53 debian12-mipsel-20240221-en-4 udp
DE 45.131.65.138:3778 tcp

Files

memory/743-1-0x00400000-0x0043affc-memory.dmp