Analysis Overview
SHA256
a25a98626d79b23cf108c546cf3329f37116332513f26590f670184ec8273880
Threat Level: Likely benign
The file file01.js was found to be: Likely benign.
Malicious Activity Summary
Changes its process name
Checks CPU configuration
Reads CPU attributes
Reads runtime system information
Enumerates kernel/hardware configuration
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-15 10:02
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-15 10:02
Reported
2024-07-15 10:10
Platform
debian9-armhf-20240611-en
Max time kernel
7s
Command Line
Signatures
Checks CPU configuration
| 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/file01.js]
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-07-15 10:02
Reported
2024-07-15 10:14
Platform
debian9-mipsel-20240226-en
Max time kernel
32s
Command Line
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
| Description | Indicator | Process | Target |
| File opened for reading | /proc/cpuinfo | /usr/bin/nodejs | N/A |
Processes
/usr/bin/nodejs
[nodejs /tmp/file01.js]
Network
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-07-15 10:02
Reported
2024-07-15 10:05
Platform
ubuntu1804-amd64-20240611-en
Max time kernel
0s
Max time network
129s
Command Line
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/file01.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 |
Files
Analysis: behavioral6
Detonation Overview
Submitted
2024-07-15 10:02
Reported
2024-07-15 10:04
Platform
ubuntu2004-amd64-20240611-en
Max time kernel
0s
Max time network
4s
Command Line
Signatures
Enumerates kernel/hardware configuration
| Description | Indicator | Process | Target |
| File opened for reading | /sys/fs/cgroup/memory/system.slice/agent.service/memory.soft_limit_in_bytes | /usr/bin/node | N/A |
| File opened for reading | /sys/fs/cgroup/memory/system.slice/agent.service/memory.limit_in_bytes | /usr/bin/node | N/A |
Reads runtime system information
| Description | Indicator | Process | Target |
| File opened for reading | /proc/self/cgroup | /usr/bin/node | N/A |
| File opened for reading | /proc/meminfo | /usr/bin/node | N/A |
| File opened for reading | /proc/self/maps | /usr/bin/node | N/A |
Processes
/usr/bin/node
[node /tmp/file01.js]
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | connectivity-check.ubuntu.com | udp |
Files
Analysis: behavioral8
Detonation Overview
Submitted
2024-07-15 10:02
Reported
2024-07-15 10:03
Platform
ubuntu2404-amd64-20240523-en
Max time kernel
0s
Max time network
1s
Command Line
Signatures
Enumerates kernel/hardware configuration
| Description | Indicator | Process | Target |
| File opened for reading | /sys/fs/cgroup/system.slice/agent.service/memory.max | /usr/bin/node | N/A |
| File opened for reading | /sys/fs/cgroup/system.slice/agent.service/memory.high | /usr/bin/node | N/A |
Reads runtime system information
| Description | Indicator | Process | Target |
| File opened for reading | /proc/self/cgroup | /usr/bin/node | N/A |
| File opened for reading | /proc/meminfo | /usr/bin/node | N/A |
| File opened for reading | /proc/self/maps | /usr/bin/node | N/A |
Processes
/usr/bin/node
[node /tmp/file01.js]
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-15 10:02
Reported
2024-07-15 10:07
Platform
debian12-mipsel-20240418-en
Max time kernel
22s
Max time network
28s
Command Line
Signatures
Checks CPU configuration
| Description | Indicator | Process | Target |
| File opened for reading | /proc/cpuinfo | /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/file01.js]
Network
| Country | Destination | Domain | Proto |
| US | 1.1.1.1:53 | debian12-mipsel-20240418-en-1 | udp |
| US | 1.1.1.1:53 | debian12-mipsel-20240418-en-1 | udp |
| US | 1.1.1.1:53 | debian12-mipsel-20240418-en-1 | udp |
| US | 1.1.1.1:53 | debian12-mipsel-20240418-en-1 | udp |
Files
Analysis: behavioral3
Detonation Overview
Submitted
2024-07-15 10:02
Reported
2024-07-15 10:06
Platform
debian9-mipsbe-20240611-en
Max time kernel
22s
Command Line
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
| Description | Indicator | Process | Target |
| File opened for reading | /proc/cpuinfo | /usr/bin/nodejs | N/A |
Processes
/usr/bin/nodejs
[nodejs /tmp/file01.js]
Network
Files
Analysis: behavioral7
Detonation Overview
Submitted
2024-07-15 10:02
Reported
2024-07-15 10:03
Platform
ubuntu2204-amd64-20240522.1-en
Max time kernel
0s
Max time network
0s
Command Line
Signatures
Enumerates kernel/hardware configuration
| Description | Indicator | Process | Target |
| File opened for reading | /sys/fs/cgroup/system.slice/agent.service/memory.high | /usr/bin/node | N/A |
| File opened for reading | /sys/fs/cgroup/system.slice/agent.service/memory.max | /usr/bin/node | N/A |
Reads runtime system information
| Description | Indicator | Process | Target |
| File opened for reading | /proc/self/cgroup | /usr/bin/node | N/A |
| File opened for reading | /proc/meminfo | /usr/bin/node | N/A |
| File opened for reading | /proc/self/maps | /usr/bin/node | N/A |
Processes
/usr/bin/node
[node /tmp/file01.js]
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp |