Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    27/05/2026, 12:13

General

  • Target
    nuclear.x86_64
  • Size 192KB
  • Sample260527-pdz3faft2z
  • SHA256 ba3a206aaf4c538adb0575408f39d965c383e312f4eae8f8a2bc267ec134461c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Contacts a large (945) amount of remote hosts 1 TTPs

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

  • Deletes itself 1 IoCs
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

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

  • Unexpected DNS network traffic destination 24 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Writes file to system bin folder 2 IoCs
  • Reads process memory 1 TTPs 64 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 runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/nuclear.x86_64
    /tmp/nuclear.x86_64
    1⤵
    • Deletes itself
    • Modifies Watchdog functionality
    • Writes file to system bin folder
    • Reads process memory
    • Changes its process name
    • Reads runtime system information
    PID:1484

Network

        MITRE ATT&CK Enterprise v16

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