Malware Analysis Report

2025-08-10 11:57

Sample ID 240330-cxffxsfh44
Target fb6fb2563df6d09b159a186f2d2cc0680370c3a162e4a480fc6827bb81b6015c.elf
SHA256 fb6fb2563df6d09b159a186f2d2cc0680370c3a162e4a480fc6827bb81b6015c
Tags
upx gafgyt
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

fb6fb2563df6d09b159a186f2d2cc0680370c3a162e4a480fc6827bb81b6015c

Threat Level: Known bad

The file fb6fb2563df6d09b159a186f2d2cc0680370c3a162e4a480fc6827bb81b6015c.elf was found to be: Known bad.

Malicious Activity Summary

upx gafgyt

Detected Gafgyt variant

Gafgyt family

UPX packed file

Changes its process name

Reads system routing table

Reads system network configuration

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-30 02:27

Signatures

Detected Gafgyt variant

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

Gafgyt family

gafgyt

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-30 02:27

Reported

2024-03-30 02:29

Platform

ubuntu2004-amd64-20240221-en

Max time kernel

146s

Max time network

147s

Command Line

[/tmp/fb6fb2563df6d09b159a186f2d2cc0680370c3a162e4a480fc6827bb81b6015c.elf]

Signatures

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself sshd /tmp/fb6fb2563df6d09b159a186f2d2cc0680370c3a162e4a480fc6827bb81b6015c.elf N/A

Reads system routing table

Description Indicator Process Target
File opened for reading /proc/net/route /tmp/fb6fb2563df6d09b159a186f2d2cc0680370c3a162e4a480fc6827bb81b6015c.elf N/A

Reads system network configuration

Description Indicator Process Target
File opened for reading /proc/net/route /tmp/fb6fb2563df6d09b159a186f2d2cc0680370c3a162e4a480fc6827bb81b6015c.elf N/A

Processes

/tmp/fb6fb2563df6d09b159a186f2d2cc0680370c3a162e4a480fc6827bb81b6015c.elf

[/tmp/fb6fb2563df6d09b159a186f2d2cc0680370c3a162e4a480fc6827bb81b6015c.elf]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
NL 193.35.18.56:65490 tcp
US 1.1.1.1:53 cdn.fwupd.org udp
US 1.1.1.1:53 cdn.fwupd.org udp
US 151.101.194.49:443 cdn.fwupd.org tcp
US 1.1.1.1:53 _https._tcp.deb.nodesource.com udp
US 1.1.1.1:53 _http._tcp.security.ubuntu.com udp
US 1.1.1.1:53 _http._tcp.nl.archive.ubuntu.com udp
US 1.1.1.1:53 deb.nodesource.com udp
US 1.1.1.1:53 deb.nodesource.com udp
US 1.1.1.1:53 security.ubuntu.com udp
US 1.1.1.1:53 security.ubuntu.com udp
US 1.1.1.1:53 nl.archive.ubuntu.com udp
US 1.1.1.1:53 nl.archive.ubuntu.com udp
US 172.67.10.205:443 deb.nodesource.com tcp
GB 185.125.190.39:80 security.ubuntu.com tcp
US 1.1.1.1:53 _https._tcp.motd.ubuntu.com udp
US 151.101.194.49:443 cdn.fwupd.org tcp
US 1.1.1.1:53 _https._tcp.esm.ubuntu.com udp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
US 1.1.1.1:53 motd.ubuntu.com udp
US 1.1.1.1:53 motd.ubuntu.com udp
US 1.1.1.1:53 esm.ubuntu.com udp
US 1.1.1.1:53 esm.ubuntu.com udp
IE 54.171.230.55:443 motd.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
GB 185.125.190.23:443 esm.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
GB 185.125.190.39:80 security.ubuntu.com tcp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 193.35.18.56:65490 tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp
NL 193.35.18.56:65490 tcp

Files

N/A