Analysis

  • max time kernel
    8s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240226-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240226-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    10/03/2024, 13:11

General

  • Target
    filedefender.js
  • Size 811B
  • Sample240310-qfbcjadc69
  • SHA256 7e0382578ab7186c98135d80e04f07178bcaf16edf02ab2a9535c1b773c4875a
  • MD5 SHA1 SHA512
Score
6/10

Malware Config

Signatures

  • Checks CPU configuration 1 TTPs 1 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads CPU attributes 1 TTPs 1 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 1 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 1 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /usr/bin/node
    node /tmp/filedefender.js
    1⤵
    • Checks CPU configuration
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    • Writes file to tmp directory
    PID:648

Network

        MITRE ATT&CK Enterprise v15

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