Malware Analysis Report

2024-12-07 16:49

Sample ID 241113-jcykbsxgnl
Target ub8ehJSePAfc9FYqZIT6.i686.elf
SHA256 49b23a5a004a963df243807e75a4cb3450c9242377b4eb2f2dfe274a80542dd8
Tags
upx defense_evasion discovery
score
7/10

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
7/10

SHA256

49b23a5a004a963df243807e75a4cb3450c9242377b4eb2f2dfe274a80542dd8

Threat Level: Shows suspicious behavior

The file ub8ehJSePAfc9FYqZIT6.i686.elf was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx defense_evasion discovery

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

2024-11-13 07:32

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 07:32

Reported

2024-11-13 07:34

Platform

ubuntu2204-amd64-20240522.1-en

Max time kernel

135s

Max time network

146s

Command Line

[/tmp/ub8ehJSePAfc9FYqZIT6.i686.elf]

Signatures

Modifies Watchdog functionality

defense_evasion
Description Indicator Process Target
File opened for modification /dev/watchdog /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for modification /dev/misc/watchdog /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A

Enumerates running processes

Writes file to system bin folder

Description Indicator Process Target
File opened for modification /bin/watchdog /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for modification /sbin/watchdog /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/994/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1241/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1548/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/693/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/723/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1036/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1175/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1194/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/80/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/101/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/696/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/703/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1150/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/651/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/840/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1138/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1330/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1499/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/205/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/221/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/313/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/516/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/630/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/871/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1062/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1365/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/93/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/114/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/428/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1546/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/610/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/636/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/995/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1077/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1186/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/13/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/17/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/83/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1230/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1127/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/75/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/95/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/632/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1184/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/89/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/668/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1016/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/211/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1090/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1102/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1185/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/7/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/21/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/201/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/987/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1189/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1240/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/1529/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/16/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/88/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/207/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/416/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A
File opened for reading /proc/631/status /tmp/ub8ehJSePAfc9FYqZIT6.i686.elf N/A

Processes

/tmp/ub8ehJSePAfc9FYqZIT6.i686.elf

[/tmp/ub8ehJSePAfc9FYqZIT6.i686.elf]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
DE 45.137.70.156:3778 tcp
DE 45.137.70.156:3778 tcp

Files

memory/1558-1-0x0000000008048000-0x000000000805cc08-memory.dmp