Malware Analysis Report

2025-05-06 04:15

Sample ID 241024-mvefysybqq
Target Login
SHA256 d65ed7d2183598f005350b2dfaf60d9222881b7e68d5f92986f46ce7bac7eaac
Tags
discovery execution antivm
score
4/10

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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
4/10

SHA256

d65ed7d2183598f005350b2dfaf60d9222881b7e68d5f92986f46ce7bac7eaac

Threat Level: Likely benign

The file Login was found to be: Likely benign.

Malicious Activity Summary

discovery execution antivm

Checks CPU configuration

Reads CPU attributes

Changes its process name

Command and Scripting Interpreter: JavaScript

Enumerates kernel/hardware configuration

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-24 10:46

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-24 10:46

Reported

2024-10-24 13:09

Platform

ubuntu1804-amd64-20240611-en

Max time kernel

0s

Max time network

1679s

Command Line

[node /tmp/Login.js]

Signatures

Command and Scripting Interpreter: JavaScript

execution
Description Indicator Process Target
N/A N/A /usr/bin/node N/A

Enumerates kernel/hardware configuration

discovery
Description Indicator Process Target
File opened for reading /sys/fs/cgroup/memory/memory.limit_in_bytes /usr/bin/node N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/meminfo /usr/bin/node N/A

Processes

/usr/bin/node

[node /tmp/Login.js]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 185.125.188.62:443 tcp
GB 185.125.188.62:443 tcp
US 151.101.1.91:443 tcp
US 151.101.1.91:443 tcp
GB 89.187.167.9:443 tcp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 91.189.91.98:80 connectivity-check.ubuntu.com tcp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
GB 185.125.190.96:80 connectivity-check.ubuntu.com tcp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
GB 185.125.190.97:80 connectivity-check.ubuntu.com tcp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
GB 185.125.190.48:80 connectivity-check.ubuntu.com tcp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 91.189.91.48:80 connectivity-check.ubuntu.com tcp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
GB 185.125.190.96:80 connectivity-check.ubuntu.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-24 10:46

Reported

2024-10-24 13:10

Platform

debian9-armhf-20240729-en

Max time kernel

4s

Max time network

1679s

Command Line

[node /tmp/Login.js]

Signatures

Checks CPU configuration

antivm
Description Indicator Process Target
File opened for reading /proc/cpuinfo /usr/bin/node N/A

Reads CPU attributes

discovery
Description Indicator Process Target
File opened for reading /sys/devices/system/cpu/online /usr/bin/node N/A

Command and Scripting Interpreter: JavaScript

execution
Description Indicator Process Target
N/A N/A /usr/bin/node N/A

Enumerates kernel/hardware configuration

discovery
Description Indicator Process Target
File opened for reading /sys/fs/cgroup/memory/memory.limit_in_bytes /usr/bin/node N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/meminfo /usr/bin/node N/A

Processes

/usr/bin/node

[node /tmp/Login.js]

Network

Country Destination Domain Proto
US 1.1.1.1:53 debian9-armhf-20240729-en-13 udp
US 1.1.1.1:53 debian9-armhf-20240729-en-13 udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-10-24 10:46

Reported

2024-10-24 13:11

Platform

debian9-mipsbe-20240729-en

Max time kernel

10s

Max time network

1679s

Command Line

[nodejs /tmp/Login.js]

Signatures

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread /usr/bin/nodejs N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread /usr/bin/nodejs N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread /usr/bin/nodejs N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread /usr/bin/nodejs N/A

Checks CPU configuration

antivm
Description Indicator Process Target
File opened for reading /proc/cpuinfo /usr/bin/nodejs N/A

Processes

/usr/bin/nodejs

[nodejs /tmp/Login.js]

Network

Country Destination Domain Proto
US 1.1.1.1:53 debian9-mipsbe-20240729-en-3 udp
US 1.1.1.1:53 debian9-mipsbe-20240729-en-3 udp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-10-24 10:46

Reported

2024-10-24 13:14

Platform

debian9-mipsel-20240611-en

Max time kernel

15s

Max time network

1680s

Command Line

[nodejs /tmp/Login.js]

Signatures

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread /usr/bin/nodejs N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread /usr/bin/nodejs N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread /usr/bin/nodejs N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread /usr/bin/nodejs N/A

Checks CPU configuration

antivm
Description Indicator Process Target
File opened for reading /proc/cpuinfo /usr/bin/nodejs N/A

Processes

/usr/bin/nodejs

[nodejs /tmp/Login.js]

Network

Country Destination Domain Proto
US 1.1.1.1:53 debian9-mipsel-20240611-en-2 udp
US 1.1.1.1:53 debian9-mipsel-20240611-en-2 udp

Files

N/A