Analysis

  • max time kernel
    90s
  • max time network
    133s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20250619-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20250619-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    13/10/2025, 17:22

General

  • Target
    cron.elf
  • Size 117KB
  • Sample251013-vxtyesfv7f
  • SHA256 49640afcad84adbb93ae8e21652bfd4f4cdd1391c0cd05a976e8e11e18dae058
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies Watchdog functionality 1 TTPs 2 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

  • Reads system routing table 1 TTPs 1 IoCs

    Gets active network interfaces from /proc virtual filesystem.

  • Changes its process name 1 IoCs
  • Checks CPU configuration 1 TTPs 1 IoCs

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

  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

Processes

Network

        MITRE ATT&CK Enterprise v16

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