Malware Analysis Report

2025-05-06 03:39

Sample ID 241124-aalcjstkhx
Target 79EE197532218B81AF7116E5AE64FD81B325DE1F
SHA256 d409ffdde2d74c93a82732b8c23b4ae4b8e6c2207d20a0c5db8f508134cd698e
Tags
antivm discovery execution
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: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

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

d409ffdde2d74c93a82732b8c23b4ae4b8e6c2207d20a0c5db8f508134cd698e

Threat Level: Likely benign

The file 79EE197532218B81AF7116E5AE64FD81B325DE1F was found to be: Likely benign.

Malicious Activity Summary

antivm discovery execution

Reads CPU attributes

Changes its process name

Checks CPU configuration

Command and Scripting Interpreter: JavaScript

Enumerates kernel/hardware configuration

Reads runtime system information

Command and Scripting Interpreter: JavaScript

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-24 00:00

Signatures

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-24 00:00

Reported

2024-11-24 00:03

Platform

debian9-armhf-20240611-en

Max time kernel

4s

Command Line

[node /tmp/sample.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/sample.js]

Network

N/A

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-11-24 00:00

Reported

2024-11-24 00:03

Platform

debian9-mipsbe-20240729-en

Max time kernel

9s

Command Line

[nodejs /tmp/sample.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/sample.js]

Network

N/A

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-11-24 00:00

Reported

2024-11-24 00:03

Platform

debian9-mipsel-20240611-en

Max time kernel

20s

Command Line

[nodejs /tmp/sample.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/sample.js]

Network

N/A

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-24 00:00

Reported

2024-11-24 00:03

Platform

win7-20240729-en

Max time kernel

16s

Max time network

16s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\sample.js

Signatures

Command and Scripting Interpreter: JavaScript

execution

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\sample.js

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-24 00:00

Reported

2024-11-24 00:03

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

95s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\sample.js

Signatures

Command and Scripting Interpreter: JavaScript

execution

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\sample.js

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-24 00:00

Reported

2024-11-24 00:03

Platform

ubuntu1804-amd64-20240611-en

Max time kernel

0s

Max time network

108s

Command Line

[node /tmp/sample.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/sample.js]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 151.101.193.91:443 tcp
GB 89.187.167.6:443 tcp
GB 185.125.188.61:443 tcp
GB 185.125.188.61:443 tcp

Files

N/A