Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240729-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240729-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    12-10-2024 15:09

General

  • Target

    na.elf

  • Size

    61KB

  • MD5

    a77a0c4cae045164ddcae466b1943cd1

  • SHA1

    f8c9ce658693ff2e86ac7ea5a64bb0adcc45eb02

  • SHA256

    86232d7ac334760fce0ed107b063bc2c69b2c16d9dc5b23e3797436c01464b44

  • SHA512

    ead8ff900abc2ee3758a524a3d4acc14c4e590d424e5abb88057afa3740c704f04d78be300237f3fdadac25d62cf6de83461ee0403fa05595b427f1690ccfb24

  • SSDEEP

    1536:Z7qARubgzY/bEJyQRcp780LDHhklv4JQC9DSW:NP+eY/bEJWJXBk9AP9l

Malware Config

Signatures

  • Contacts a large (87601) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Modifies Watchdog functionality 1 TTPs 2 IoCs

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

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads process memory 1 TTPs 38 IoCs

    Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

  • Changes its process name 1 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/na.elf
    /tmp/na.elf
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads process memory
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    PID:1510

Network

MITRE ATT&CK Enterprise v15

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