Overview

overview

7

Static

static

1

sample

debian-12-armhf

7

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20260126-en
  • resource tags

    arch:armhfimage:debian12-armhf-20260126-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    16/04/2026, 12:15

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General

  • Target
    sample
  • Size 78KB
  • Sample260416-pe8e7set8n
  • SHA256 a04ac6d98ad989312783d4fe3456c53730b212c79a426fb215708b6c6daa3de3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoveryexecution

Malware Config

Signatures

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

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

    defense_evasion
  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

    discovery
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads system routing table 1 TTPs 1 IoCs

    Gets active network interfaces from /proc virtual filesystem.

    discovery
  • Changes its process name 1 IoCs
  • Reads system network configuration 1 TTPs 3 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

    discovery
  • Command and Scripting Interpreter: Unix Shell 1 TTPs 1 IoCs

    Execute scripts via Unix Shell.

    execution
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 1 IoCs

    Adversaries may gather information about the network configuration of a system.

    discovery
  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/sample
    /tmp/sample
    1⤵
    • Deletes itself
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads system routing table
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    • Writes file to tmp directory
    PID:773
    • /bin/sh
      /bin/sh -c "iptables -A INPUT -p tcp --destination-port 23 -j DROP"
      2⤵
        PID:801
      • /bin/sh
        /bin/sh -c "iptables -A INPUT -p tcp --destination-port 7547 -j DROP"
        2⤵
          PID:802
        • /bin/sh
          /bin/sh -c "iptables -A INPUT -p tcp --destination-port 5555 -j DROP"
          2⤵
            PID:803
          • /bin/sh
            /bin/sh -c "iptables -A INPUT -p tcp --destination-port 5358 -j DROP"
            2⤵
              PID:804
            • /bin/sh
              /bin/sh -c "iptables -D INPUT -j CWMP_CR"
              2⤵
                PID:805
              • /bin/sh
                /bin/sh -c "iptables -X CWMP_CR"
                2⤵
                • Command and Scripting Interpreter: Unix Shell
                • System Network Configuration Discovery
                PID:806
              • /bin/sh
                /bin/sh -c "iptables -I INPUT -p udp --dport 36337 -j ACCEPT"
                2⤵
                  PID:807

              Network

                    MITRE ATT&CK Enterprise v16

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