Overview

overview

7

Static

static

1

sample

debian-9-mips

7

Analysis

  • max time kernel
    149s
  • max time network
    90s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20260126-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20260126-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    27/04/2026, 12:18

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General

  • Target
    sample
  • Size 83KB
  • Sample260427-pgvxwsdx2j
  • SHA256 020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscovery

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
  • 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:712
    • /bin/sh
      sh -c "iptables -A INPUT -p tcp --destination-port 23 -j DROP"
      2⤵
        PID:723
        • /sbin/iptables
          iptables -A INPUT -p tcp --destination-port 23 -j DROP
          3⤵
            PID:725
        • /bin/sh
          sh -c "iptables -A INPUT -p tcp --destination-port 7547 -j DROP"
          2⤵
            PID:735
            • /sbin/iptables
              iptables -A INPUT -p tcp --destination-port 7547 -j DROP
              3⤵
                PID:737
            • /bin/sh
              sh -c "iptables -A INPUT -p tcp --destination-port 5555 -j DROP"
              2⤵
                PID:740
                • /sbin/iptables
                  iptables -A INPUT -p tcp --destination-port 5555 -j DROP
                  3⤵
                    PID:741
                • /bin/sh
                  sh -c "iptables -A INPUT -p tcp --destination-port 5358 -j DROP"
                  2⤵
                    PID:743
                    • /sbin/iptables
                      iptables -A INPUT -p tcp --destination-port 5358 -j DROP
                      3⤵
                        PID:744
                    • /bin/sh
                      sh -c "iptables -D INPUT -j CWMP_CR"
                      2⤵
                        PID:745
                        • /sbin/iptables
                          iptables -D INPUT -j CWMP_CR
                          3⤵
                            PID:747
                        • /bin/sh
                          sh -c "iptables -X CWMP_CR"
                          2⤵
                          • System Network Configuration Discovery
                          PID:749
                          • /sbin/iptables
                            iptables -X CWMP_CR
                            3⤵
                              PID:750
                          • /bin/sh
                            sh -c "iptables -I INPUT -p udp --dport 39450 -j ACCEPT"
                            2⤵
                              PID:751
                              • /sbin/iptables
                                iptables -I INPUT -p udp --dport 39450 -j ACCEPT
                                3⤵
                                  PID:752

                            Network

                                  MITRE ATT&CK Enterprise v16

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