Analysis

  • max time kernel
    119s
  • max time network
    61s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240418-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    29-08-2024 18:06

General

  • Target

    i

  • Size

    83KB

  • MD5

    5377e8f2ebdb280216c37a6195da9d6c

  • SHA1

    b54c705193b7963a0d40699a91cdb34fedecbe88

  • SHA256

    020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f0

  • SHA512

    65e5aec56ddde56f245a20f88553d2f76bd7dd8e1940e9d49637d51a868fe73003b8a95fffeb9481110579f6ee4790fc9af1668d435930d4c01b116490908eed

  • SSDEEP

    1536:yYI0ARqw1qAEW67UIWi7M8gmfmJo0WgswnD6Efyq8PxlRkp2K3/J1V+uBNu:yYI0ARqw1qAEv7UIFM8oJorFquyjkRks

Score
7/10

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.

  • 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 system routing table 1 TTPs 1 IoCs

    Gets active network interfaces from /proc virtual filesystem.

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

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/i
    /tmp/i
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads system routing table
    • Reads system network configuration
    • Reads runtime system information
    • Writes file to tmp directory
    PID:735
    • /bin/sh
      sh -c "iptables -A INPUT -p tcp --destination-port 23 -j DROP"
      2⤵
        PID:796
        • /sbin/iptables
          iptables -A INPUT -p tcp --destination-port 23 -j DROP
          3⤵
            PID:797
        • /bin/sh
          sh -c "iptables -A INPUT -p tcp --destination-port 7547 -j DROP"
          2⤵
            PID:804
            • /sbin/iptables
              iptables -A INPUT -p tcp --destination-port 7547 -j DROP
              3⤵
                PID:806
            • /bin/sh
              sh -c "iptables -A INPUT -p tcp --destination-port 5555 -j DROP"
              2⤵
                PID:808
                • /sbin/iptables
                  iptables -A INPUT -p tcp --destination-port 5555 -j DROP
                  3⤵
                    PID:810
                • /bin/sh
                  sh -c "iptables -A INPUT -p tcp --destination-port 5358 -j DROP"
                  2⤵
                    PID:812
                    • /sbin/iptables
                      iptables -A INPUT -p tcp --destination-port 5358 -j DROP
                      3⤵
                        PID:813
                    • /bin/sh
                      sh -c "iptables -D INPUT -j CWMP_CR"
                      2⤵
                        PID:814
                        • /sbin/iptables
                          iptables -D INPUT -j CWMP_CR
                          3⤵
                            PID:816
                        • /bin/sh
                          sh -c "iptables -X CWMP_CR"
                          2⤵
                            PID:817
                            • /sbin/iptables
                              iptables -X CWMP_CR
                              3⤵
                                PID:819
                            • /bin/sh
                              sh -c "iptables -I INPUT -p udp --dport 3027 -j ACCEPT"
                              2⤵
                                PID:820
                                • /sbin/iptables
                                  iptables -I INPUT -p udp --dport 3027 -j ACCEPT
                                  3⤵
                                    PID:821

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • memory/735-1-0x00400000-0x0047a6c0-memory.dmp