Malware Analysis Report

2025-08-11 05:10

Sample ID 240330-agrg5sdd47
Target 2efe0f71080d673aa695ae55fa5021de_JaffaCakes118
SHA256 e90bcf0c8b3bb16278148d37cad1fa4d586281c83cfa0399b4eea33753b5353d
Tags
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

e90bcf0c8b3bb16278148d37cad1fa4d586281c83cfa0399b4eea33753b5353d

Threat Level: Known bad

The file 2efe0f71080d673aa695ae55fa5021de_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gafgyt

Detected Gafgyt variant

Gafgyt family

Changes its process name

Modifies Watchdog functionality

Reads system routing table

Reads system network configuration

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-30 00:11

Signatures

Detected Gafgyt variant

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

Gafgyt family

gafgyt

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-30 00:11

Reported

2024-03-30 00:13

Platform

ubuntu2004-amd64-20240221-en

Max time kernel

145s

Max time network

141s

Command Line

[/tmp/2efe0f71080d673aa695ae55fa5021de_JaffaCakes118]

Signatures

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself sshd /tmp/2efe0f71080d673aa695ae55fa5021de_JaffaCakes118 N/A

Modifies Watchdog functionality

Description Indicator Process Target
File opened for modification /dev/watchdog N/A N/A
File opened for modification /dev/misc/watchdog N/A N/A

Reads system routing table

Description Indicator Process Target
File opened for reading /proc/net/route /tmp/2efe0f71080d673aa695ae55fa5021de_JaffaCakes118 N/A

Reads system network configuration

Description Indicator Process Target
File opened for reading /proc/net/route /tmp/2efe0f71080d673aa695ae55fa5021de_JaffaCakes118 N/A

Processes

/tmp/2efe0f71080d673aa695ae55fa5021de_JaffaCakes118

[/tmp/2efe0f71080d673aa695ae55fa5021de_JaffaCakes118]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
NL 84.32.188.55:576 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 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 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
US 91.189.91.82:80 security.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
US 1.1.1.1:53 _https._tcp.motd.ubuntu.com udp
US 1.1.1.1:53 _https._tcp.esm.ubuntu.com udp
US 1.1.1.1:53 motd.ubuntu.com udp
US 1.1.1.1:53 motd.ubuntu.com udp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
US 1.1.1.1:53 esm.ubuntu.com udp
US 1.1.1.1:53 esm.ubuntu.com udp
IE 34.243.160.129:443 motd.ubuntu.com tcp
US 151.101.194.49:443 cdn.fwupd.org tcp
US 91.189.91.46:443 esm.ubuntu.com tcp
NL 213.136.12.213:80 nl.archive.ubuntu.com tcp
IE 54.247.62.1:443 motd.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
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 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 84.32.188.55:576 tcp
NL 84.32.188.55:576 tcp
NL 84.32.188.55:576 tcp
NL 84.32.188.55:576 tcp
NL 84.32.188.55:576 tcp
NL 84.32.188.55:576 tcp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
NL 84.32.188.55:576 tcp

Files

N/A