Malware Analysis Report

2025-01-23 15:15

Sample ID 240822-ykzjxsxdpp
Target httpbypass.js
SHA256 afdf6962b5143501bb67f9146e5bacc5b315016ba732f631dc0c4508e7703d04
Tags
antivm
score
4/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

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 Overview

score
4/10

SHA256

afdf6962b5143501bb67f9146e5bacc5b315016ba732f631dc0c4508e7703d04

Threat Level: Likely benign

The file httpbypass.js was found to be: Likely benign.

Malicious Activity Summary

antivm

Changes its process name

Checks CPU configuration

Reads CPU attributes

Enumerates kernel/hardware configuration

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-22 19:51

Signatures

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-08-22 19:51

Reported

2024-08-22 19:54

Platform

debian9-mipsel-20240226-en

Max time kernel

42s

Command Line

[nodejs /tmp/httpbypass.js]

Signatures

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread N/A N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread N/A N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread N/A N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread N/A 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/httpbypass.js]

Network

N/A

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-22 19:51

Reported

2024-08-22 19:54

Platform

ubuntu1804-amd64-20240611-en

Max time kernel

0s

Max time network

129s

Command Line

[node /tmp/httpbypass.js]

Signatures

Enumerates kernel/hardware configuration

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

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

Processes

/usr/bin/node

[node /tmp/httpbypass.js]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 185.125.188.61:443 tcp
GB 185.125.188.61:443 tcp
US 151.101.1.91:443 tcp
US 151.101.1.91:443 tcp
GB 89.187.167.5:443 tcp
US 1.1.1.1:53 1527653184.rsc.cdn77.org udp
US 1.1.1.1:53 1527653184.rsc.cdn77.org udp
GB 89.187.167.39:443 1527653184.rsc.cdn77.org tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-22 19:51

Reported

2024-08-22 19:54

Platform

debian9-armhf-20240611-en

Max time kernel

4s

Max time network

144s

Command Line

[node /tmp/httpbypass.js]

Signatures

Checks CPU configuration

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

Reads CPU attributes

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

Enumerates kernel/hardware configuration

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

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

Processes

/usr/bin/node

[node /tmp/httpbypass.js]

Network

Country Destination Domain Proto
US 1.1.1.1:53 registry.npmjs.org udp
US 104.16.26.34:443 registry.npmjs.org tcp
US 1.1.1.1:53 registry.npmjs.org udp
US 1.1.1.1:53 registry.npmjs.org udp
US 104.16.24.34:443 registry.npmjs.org tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-08-22 19:51

Reported

2024-08-22 19:54

Platform

debian9-mipsbe-20240418-en

Max time kernel

19s

Command Line

[nodejs /tmp/httpbypass.js]

Signatures

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread N/A N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread N/A N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread N/A N/A
Changes the process name, possibly in an attempt to hide itself V8 WorkerThread N/A 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/httpbypass.js]

Network

N/A

Files

N/A