Malware Analysis Report

2024-10-24 21:20

Sample ID 240729-l3s4msscrm
Target .zMousse.php
SHA256 b45fc7c8b72d4f712213bdcfbee13f76ffd05796a4435836ac8d941967b3ee1c
Tags
antivm
score
4/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

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: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
4/10

SHA256

b45fc7c8b72d4f712213bdcfbee13f76ffd05796a4435836ac8d941967b3ee1c

Threat Level: Likely benign

The file .zMousse.php was found to be: Likely benign.

Malicious Activity Summary

antivm

Checks CPU configuration

Reads CPU attributes

Changes its process name

Enumerates kernel/hardware configuration

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 10:03

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 10:03

Reported

2024-07-29 10:09

Platform

debian9-armhf-20240611-en

Max time kernel

8s

Command Line

[node /tmp/.zMousse.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/.zMousse.js]

Network

N/A

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-07-29 10:03

Reported

2024-07-29 10:09

Platform

debian9-mipsbe-20240418-en

Max time kernel

61s

Command Line

[nodejs /tmp/.zMousse.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/.zMousse.js]

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-07-29 10:03

Reported

2024-07-29 10:10

Platform

debian9-mipsel-20240611-en

Max time kernel

68s

Command Line

[nodejs /tmp/.zMousse.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/.zMousse.js]

Network

N/A

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 10:03

Reported

2024-07-29 10:09

Platform

ubuntu1804-amd64-20240611-en

Max time kernel

0s

Max time network

241s

Command Line

[node /tmp/.zMousse.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/.zMousse.js]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 151.101.1.91:443 tcp
GB 185.125.188.61:443 tcp
GB 185.125.188.61:443 tcp
US 151.101.1.91:443 tcp
GB 195.181.164.17:443 tcp
US 1.1.1.1:53 1527653184.rsc.cdn77.org udp
US 1.1.1.1:53 1527653184.rsc.cdn77.org udp
GB 84.17.50.8:443 1527653184.rsc.cdn77.org tcp
US 1.1.1.1:53 _http._tcp.nl.archive.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
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
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 1.1.1.1:53 connectivity-check.ubuntu.com udp
US 91.189.91.97:80 connectivity-check.ubuntu.com tcp
US 1.1.1.1:53 r57shell.net udp
US 1.1.1.1:53 r57shell.net udp
GB 54.38.209.89:80 r57shell.net tcp
US 1.1.1.1:53 spocs.getpocket.com udp
US 1.1.1.1:53 spocs.getpocket.com udp
US 1.1.1.1:53 getpocket.cdn.mozilla.net udp
US 1.1.1.1:53 getpocket.cdn.mozilla.net udp
US 1.1.1.1:53 prod.ads.prod.webservices.mozgcp.net udp
US 34.120.5.221:443 getpocket.cdn.mozilla.net tcp
US 34.120.5.221:443 getpocket.cdn.mozilla.net tcp
US 1.1.1.1:53 prod.remote-settings.prod.webservices.mozgcp.net udp
US 1.1.1.1:53 shavar.prod.mozaws.net udp
US 1.1.1.1:53 autopush.prod.mozaws.net udp
US 1.1.1.1:53 tracking-protection.cdn.mozilla.net udp
US 1.1.1.1:53 tracking-protection.cdn.mozilla.net udp
US 1.1.1.1:53 tracking-protection.prod.mozaws.net udp
US 34.120.158.37:443 tracking-protection.cdn.mozilla.net tcp
US 34.120.158.37:443 tracking-protection.cdn.mozilla.net tcp
US 34.120.158.37:443 tracking-protection.cdn.mozilla.net tcp
US 34.120.158.37:443 tracking-protection.cdn.mozilla.net tcp
US 34.120.158.37:443 tracking-protection.cdn.mozilla.net tcp
US 34.120.158.37:443 tracking-protection.cdn.mozilla.net tcp
US 34.120.158.37:443 tracking-protection.cdn.mozilla.net tcp
US 34.120.158.37:443 tracking-protection.cdn.mozilla.net tcp
US 34.120.158.37:443 tracking-protection.cdn.mozilla.net tcp
US 1.1.1.1:53 location.services.mozilla.com udp
US 1.1.1.1:53 location.services.mozilla.com udp
US 1.1.1.1:53 prod.balrog.prod.cloudops.mozgcp.net udp
US 1.1.1.1:53 prod.classify-client.prod.webservices.mozgcp.net udp
US 35.190.72.216:443 location.services.mozilla.com tcp
US 35.190.72.216:443 location.services.mozilla.com udp
US 1.1.1.1:53 archive.mozilla.org udp
US 1.1.1.1:53 archive.mozilla.org udp
US 34.117.35.28:443 archive.mozilla.org tcp
US 1.1.1.1:53 ciscobinary.openh264.org udp
US 1.1.1.1:53 ciscobinary.openh264.org udp
GB 88.221.134.155:80 ciscobinary.openh264.org tcp
US 34.117.35.28:443 archive.mozilla.org udp

Files

N/A