Overview

overview

10

Static

static

mozi.a

linux_armhf

10

Resubmissions

13-05-2022 13:18

220513-qjy8rsafdp 10

13-05-2022 13:05

220513-qbhaaaffe2 10

12-05-2022 08:46

220512-kpla7sbfe7 10

11-05-2022 15:07

220511-shdxjsahh5 10

Analysis

  • max time kernel
    13299s
  • max time network
    174s
  • platform
    linux_armhf
  • resource
    debian9-armhf-en-20211208
  • submitted
    11-05-2022 15:07

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General

  • Target

    mozi.a

  • Size

    300KB

  • MD5

    eec5c6c219535fba3a0492ea8118b397

  • SHA1

    292559e94f1c04b7d0c65d4a01bbbc5dc1ff6f21

  • SHA256

    12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef

  • SHA512

    3482c8324a18302f0f37b6e23ed85f24fff9f50bb568d8fd7461bf57f077a7c592f7a88bb2e1c398699958946d87bb93ab744d13a0003f9b879c15e6471f7400

Score
10/10
discoverypersistencesuricata

Malware Config

Signatures

  • suricata: ET MALWARE JAWS Webserver Unauthenticated Shell Command Execution

    suricata: ET MALWARE JAWS Webserver Unauthenticated Shell Command Execution

    suricata
  • suricata: ET MALWARE Mirai Variant User-Agent (Outbound)

    suricata: ET MALWARE Mirai Variant User-Agent (Outbound)

    suricata
  • suricata: ET MALWARE Mozi Botnet DHT Config Sent

    suricata: ET MALWARE Mozi Botnet DHT Config Sent

    suricata
  • Contacts a large (22631) amount of remote hosts 1 TTPs

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

    discovery
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Modifies the Watchdog daemon 1 TTPs

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

  • Writes file to system bin folder 1 TTPs 2 IoCs
  • Modifies hosts file 1 IoCs

    Adds to hosts file used for mapping hosts to IP addresses.

  • Writes DNS configuration 1 TTPs 1 IoCs

    Writes data to DNS resolver config file.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Modifies init.d 1 TTPs 1 IoCs

    Adds/modifies system service, likely for persistence.

    persistence
  • Reads system routing table 1 TTPs 1 IoCs

    Gets active network interfaces from /proc virtual filesystem.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Reads system network configuration 1 TTPs 3 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 2 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • ./mozi.a
    ./mozi.a
    1⤵
    • Enumerates active TCP sockets
    • Reads system network configuration
    PID:365
  • /bin/sh
    /bin/sh -c "killall -9 telnetd utelnetd scfgmgr"
    1⤵
      PID:370
    • /bin/sh
      /bin/sh -c "iptables -I INPUT -p tcp --destination-port 60567 -j ACCEPT"
      1⤵
        PID:383
        • /sbin/iptables
          iptables -I INPUT -p tcp --destination-port 60567 -j ACCEPT
          2⤵
            PID:384
        • /bin/sh
          /bin/sh -c "iptables -I OUTPUT -p tcp --source-port 60567 -j ACCEPT"
          1⤵
            PID:390
            • /sbin/iptables
              iptables -I OUTPUT -p tcp --source-port 60567 -j ACCEPT
              2⤵
                PID:391
            • /bin/sh
              /bin/sh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"
              1⤵
                PID:392
                • /sbin/iptables
                  iptables -I INPUT -p tcp --destination-port 58000 -j DROP
                  2⤵
                    PID:395
                • /bin/sh
                  /bin/sh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 60567 -j ACCEPT"
                  1⤵
                    PID:393
                    • /sbin/iptables
                      iptables -I PREROUTING -t nat -p tcp --destination-port 60567 -j ACCEPT
                      2⤵
                        PID:396
                    • /bin/sh
                      /bin/sh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"
                      1⤵
                        PID:398
                        • /sbin/iptables
                          iptables -I OUTPUT -p tcp --source-port 58000 -j DROP
                          2⤵
                            PID:399
                        • /bin/sh
                          /bin/sh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 60567 -j ACCEPT"
                          1⤵
                            PID:407
                            • /sbin/iptables
                              iptables -I POSTROUTING -t nat -p tcp --source-port 60567 -j ACCEPT
                              2⤵
                                PID:408
                            • /bin/sh
                              /bin/sh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"
                              1⤵
                                PID:409
                                • /sbin/iptables
                                  iptables -I INPUT -p tcp --dport 58000 -j DROP
                                  2⤵
                                    PID:411
                                • /bin/sh
                                  /bin/sh -c "iptables -I INPUT -p tcp --dport 60567 -j ACCEPT"
                                  1⤵
                                    PID:410
                                    • /sbin/iptables
                                      iptables -I INPUT -p tcp --dport 60567 -j ACCEPT
                                      2⤵
                                        PID:412
                                    • /bin/sh
                                      /bin/sh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"
                                      1⤵
                                        PID:413
                                        • /sbin/iptables
                                          iptables -I OUTPUT -p tcp --sport 58000 -j DROP
                                          2⤵
                                            PID:414
                                        • /bin/sh
                                          /bin/sh -c "iptables -I OUTPUT -p tcp --sport 60567 -j ACCEPT"
                                          1⤵
                                            PID:415
                                            • /sbin/iptables
                                              iptables -I OUTPUT -p tcp --sport 60567 -j ACCEPT
                                              2⤵
                                                PID:416
                                            • /bin/sh
                                              /bin/sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""
                                              1⤵
                                                PID:417
                                              • /bin/sh
                                                /bin/sh -c "iptables -I PREROUTING -t nat -p tcp --dport 60567 -j ACCEPT"
                                                1⤵
                                                  PID:418
                                                  • /sbin/iptables
                                                    iptables -I PREROUTING -t nat -p tcp --dport 60567 -j ACCEPT
                                                    2⤵
                                                      PID:420
                                                  • /bin/sh
                                                    /bin/sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""
                                                    1⤵
                                                      PID:419
                                                    • /bin/sh
                                                      /bin/sh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"
                                                      1⤵
                                                        PID:421
                                                        • /sbin/iptables
                                                          iptables -I INPUT -p tcp --destination-port 35000 -j DROP
                                                          2⤵
                                                            PID:422
                                                        • /bin/sh
                                                          /bin/sh -c "iptables -I POSTROUTING -t nat -p tcp --sport 60567 -j ACCEPT"
                                                          1⤵
                                                            PID:423
                                                            • /sbin/iptables
                                                              iptables -I POSTROUTING -t nat -p tcp --sport 60567 -j ACCEPT
                                                              2⤵
                                                                PID:424
                                                            • /bin/sh
                                                              /bin/sh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"
                                                              1⤵
                                                                PID:425
                                                                • /sbin/iptables
                                                                  iptables -I INPUT -p tcp --destination-port 50023 -j DROP
                                                                  2⤵
                                                                    PID:426
                                                                • /bin/sh
                                                                  /bin/sh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"
                                                                  1⤵
                                                                    PID:427
                                                                    • /sbin/iptables
                                                                      iptables -I OUTPUT -p tcp --source-port 50023 -j DROP
                                                                      2⤵
                                                                        PID:428
                                                                    • /bin/sh
                                                                      /bin/sh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"
                                                                      1⤵
                                                                        PID:430
                                                                        • /sbin/iptables
                                                                          iptables -I OUTPUT -p tcp --source-port 35000 -j DROP
                                                                          2⤵
                                                                            PID:432
                                                                        • /bin/sh
                                                                          /bin/sh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"
                                                                          1⤵
                                                                            PID:433
                                                                            • /sbin/iptables
                                                                              iptables -I INPUT -p tcp --destination-port 7547 -j DROP
                                                                              2⤵
                                                                                PID:434
                                                                            • /bin/sh
                                                                              /bin/sh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"
                                                                              1⤵
                                                                                PID:435
                                                                                • /sbin/iptables
                                                                                  iptables -I OUTPUT -p tcp --source-port 7547 -j DROP
                                                                                  2⤵
                                                                                    PID:436
                                                                                • /bin/sh
                                                                                  /bin/sh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"
                                                                                  1⤵
                                                                                    PID:437
                                                                                    • /sbin/iptables
                                                                                      iptables -I INPUT -p tcp --dport 35000 -j DROP
                                                                                      2⤵
                                                                                        PID:438
                                                                                    • /bin/sh
                                                                                      /bin/sh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"
                                                                                      1⤵
                                                                                        PID:439
                                                                                        • /sbin/iptables
                                                                                          iptables -I INPUT -p tcp --dport 50023 -j DROP
                                                                                          2⤵
                                                                                            PID:440
                                                                                        • /bin/sh
                                                                                          /bin/sh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"
                                                                                          1⤵
                                                                                            PID:441
                                                                                            • /sbin/iptables
                                                                                              iptables -I OUTPUT -p tcp --sport 50023 -j DROP
                                                                                              2⤵
                                                                                                PID:442
                                                                                            • /bin/sh
                                                                                              /bin/sh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"
                                                                                              1⤵
                                                                                                PID:443
                                                                                                • /sbin/iptables
                                                                                                  iptables -I OUTPUT -p tcp --sport 35000 -j DROP
                                                                                                  2⤵
                                                                                                    PID:444
                                                                                                • /bin/sh
                                                                                                  /bin/sh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"
                                                                                                  1⤵
                                                                                                    PID:445
                                                                                                    • /sbin/iptables
                                                                                                      iptables -I INPUT -p tcp --dport 7547 -j DROP
                                                                                                      2⤵
                                                                                                        PID:446
                                                                                                    • /bin/sh
                                                                                                      /bin/sh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"
                                                                                                      1⤵
                                                                                                        PID:447
                                                                                                        • /sbin/iptables
                                                                                                          iptables -I OUTPUT -p tcp --sport 7547 -j DROP
                                                                                                          2⤵
                                                                                                            PID:448
                                                                                                        • /bin/sh
                                                                                                          /bin/sh -c "iptables -I INPUT -p udp --destination-port 56192 -j ACCEPT"
                                                                                                          1⤵
                                                                                                            PID:457
                                                                                                            • /sbin/iptables
                                                                                                              iptables -I INPUT -p udp --destination-port 56192 -j ACCEPT
                                                                                                              2⤵
                                                                                                                PID:458
                                                                                                            • /bin/sh
                                                                                                              /bin/sh -c "iptables -I OUTPUT -p udp --source-port 56192 -j ACCEPT"
                                                                                                              1⤵
                                                                                                                PID:459
                                                                                                                • /sbin/iptables
                                                                                                                  iptables -I OUTPUT -p udp --source-port 56192 -j ACCEPT
                                                                                                                  2⤵
                                                                                                                    PID:460
                                                                                                                • /bin/sh
                                                                                                                  /bin/sh -c "iptables -I PREROUTING -t nat -p udp --destination-port 56192 -j ACCEPT"
                                                                                                                  1⤵
                                                                                                                    PID:461
                                                                                                                    • /sbin/iptables
                                                                                                                      iptables -I PREROUTING -t nat -p udp --destination-port 56192 -j ACCEPT
                                                                                                                      2⤵
                                                                                                                        PID:462
                                                                                                                    • /bin/sh
                                                                                                                      /bin/sh -c "iptables -I POSTROUTING -t nat -p udp --source-port 56192 -j ACCEPT"
                                                                                                                      1⤵
                                                                                                                        PID:463
                                                                                                                        • /sbin/iptables
                                                                                                                          iptables -I POSTROUTING -t nat -p udp --source-port 56192 -j ACCEPT
                                                                                                                          2⤵
                                                                                                                            PID:464
                                                                                                                        • /bin/sh
                                                                                                                          /bin/sh -c "iptables -I INPUT -p udp --dport 56192 -j ACCEPT"
                                                                                                                          1⤵
                                                                                                                            PID:465
                                                                                                                            • /sbin/iptables
                                                                                                                              iptables -I INPUT -p udp --dport 56192 -j ACCEPT
                                                                                                                              2⤵
                                                                                                                                PID:466
                                                                                                                            • /bin/sh
                                                                                                                              /bin/sh -c "iptables -I OUTPUT -p udp --sport 56192 -j ACCEPT"
                                                                                                                              1⤵
                                                                                                                                PID:467
                                                                                                                                • /sbin/iptables
                                                                                                                                  iptables -I OUTPUT -p udp --sport 56192 -j ACCEPT
                                                                                                                                  2⤵
                                                                                                                                    PID:468
                                                                                                                                • /bin/sh
                                                                                                                                  /bin/sh -c "iptables -I PREROUTING -t nat -p udp --dport 56192 -j ACCEPT"
                                                                                                                                  1⤵
                                                                                                                                    PID:471
                                                                                                                                    • /sbin/iptables
                                                                                                                                      iptables -I PREROUTING -t nat -p udp --dport 56192 -j ACCEPT
                                                                                                                                      2⤵
                                                                                                                                        PID:472
                                                                                                                                    • /bin/sh
                                                                                                                                      /bin/sh -c "iptables -I POSTROUTING -t nat -p udp --sport 56192 -j ACCEPT"
                                                                                                                                      1⤵
                                                                                                                                        PID:473
                                                                                                                                        • /sbin/iptables
                                                                                                                                          iptables -I POSTROUTING -t nat -p udp --sport 56192 -j ACCEPT
                                                                                                                                          2⤵
                                                                                                                                            PID:474

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Matrix ATT&CK v6

                                                                                                                                        Initial Access

                                                                                                                                        Execution

                                                                                                                                        Persistence

                                                                                                                                        Hijack Execution Flow

                                                                                                                                        1
                                                                                                                                        T1574

                                                                                                                                        Boot or Logon Autostart Execution

                                                                                                                                        1
                                                                                                                                        T1547

                                                                                                                                        Privilege Escalation

                                                                                                                                        Hijack Execution Flow

                                                                                                                                        1
                                                                                                                                        T1574

                                                                                                                                        Boot or Logon Autostart Execution

                                                                                                                                        1
                                                                                                                                        T1547

                                                                                                                                        Defense Evasion

                                                                                                                                        Impair Defenses

                                                                                                                                        1
                                                                                                                                        T1562

                                                                                                                                        Hijack Execution Flow

                                                                                                                                        1
                                                                                                                                        T1574

                                                                                                                                        Credential Access

                                                                                                                                        Discovery

                                                                                                                                        Network Service Scanning

                                                                                                                                        2
                                                                                                                                        T1046

                                                                                                                                        System Network Connections Discovery

                                                                                                                                        1
                                                                                                                                        T1049

                                                                                                                                        System Network Configuration Discovery

                                                                                                                                        2
                                                                                                                                        T1016

                                                                                                                                        Lateral Movement

                                                                                                                                        Collection

                                                                                                                                        Exfiltration

                                                                                                                                        Command and Control

                                                                                                                                        Dynamic Resolution

                                                                                                                                        1
                                                                                                                                        T1568

                                                                                                                                        Impact

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