Malware Analysis Report

2025-06-15 23:21

Sample ID 241014-ckdfsswbmg
Target ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf
SHA256 ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8
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

ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8

Threat Level: Known bad

The file ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf was found to be: Known bad.

Malicious Activity Summary

upx mirai lzrd botnet defense_evasion discovery

Mirai

Modifies Watchdog functionality

Writes file to system bin folder

Enumerates running processes

UPX packed file

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-14 02:07

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-14 02:07

Reported

2024-10-14 02:10

Platform

debian9-armhf-20240729-en

Max time kernel

135s

Max time network

147s

Command Line

[/tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf]

Signatures

Mirai

botnet mirai

Modifies Watchdog functionality

defense_evasion
Description Indicator Process Target
File opened for modification /dev/misc/watchdog /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for modification /dev/watchdog /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A

Enumerates running processes

Writes file to system bin folder

Description Indicator Process Target
File opened for modification /sbin/watchdog /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for modification /bin/watchdog /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/8/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/13/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/15/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/17/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/658/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/4/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/42/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/648/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/605/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/2/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/21/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/26/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/647/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/654/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/10/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/295/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/self/exe /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/22/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/29/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/41/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/293/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/14/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/16/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/113/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/322/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/655/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/291/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/344/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/20/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/24/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/28/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/103/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/169/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/23/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/81/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/324/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/641/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/609/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/650/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/18/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/292/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/298/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/327/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/607/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/25/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/146/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/610/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/653/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/659/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/114/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/589/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/652/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/9/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/12/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/111/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/144/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/168/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/3/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/6/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/7/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/1/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/19/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/43/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A
File opened for reading /proc/153/status /tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf N/A

Processes

/tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf

[/tmp/ec1b4bd25c941959d242b33e9ea0948b98c4a1b34d1e17590604ab36a9bfdda8.elf]

Network

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

Files

memory/655-1-0x00008000-0x00027bc8-memory.dmp