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Overview

overview

10

Static

static

10

d6e5833b5f...d34d77

ubuntu-18.04-amd64

10

Analysis

  • max time kernel
    153s
  • max time network
    131s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20231215-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20231215-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    22/12/2023, 15:18

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General

  • Target

    d6e5833b5fd732ac2ba017b1a6d34d77

  • Size

    1.2MB

  • MD5

    d6e5833b5fd732ac2ba017b1a6d34d77

  • SHA1

    77a31f0c1fdc7548c20e034c1761515a47a56a79

  • SHA256

    856452857b500cca80879789377b60a6721cfe065f1f254a929d06f731eccca0

  • SHA512

    1109c33635df4c76b3f56cad57fabfd5994d63e88f69533afe1aaa61d80a568dcdcfddda9cf0e763280427cadddaf2bc62d42162d0bcc2c7ba2a5cf1f4cfcf8a

  • SSDEEP

    24576:e845rGHu6gVJKG75oFpA0VWIX4h2y1q2rJp0:745vRVJKGtSA0VWIo4u9p0

Score
10/10
mrblackantivmbotnetpersistencetrojan

Malware Config

Signatures

  • MrBlack Trojan

    IoT botnet which infects routers to be used for DDoS attacks.

    trojanbotnetmrblack
  • MrBlack trojan 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks CPU configuration 1 TTPs 1 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • 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.

  • Write file to user bin folder 1 TTPs 4 IoCs
  • Reads system network configuration 1 TTPs 3 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 9 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 5 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/d6e5833b5fd732ac2ba017b1a6d34d77
    /tmp/d6e5833b5fd732ac2ba017b1a6d34d77
    1⤵
      PID:1563
    • /bin/sh
      sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt"
      1⤵
        PID:1568
        • /bin/ln
          ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt
          2⤵
            PID:1569
        • /bin/sh
          sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt"
          1⤵
            PID:1570
            • /bin/ln
              ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt
              2⤵
                PID:1571
            • /bin/sh
              sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt"
              1⤵
                PID:1572
                • /bin/ln
                  ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt
                  2⤵
                    PID:1573
                • /bin/sh
                  sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt"
                  1⤵
                    PID:1574
                    • /bin/ln
                      ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt
                      2⤵
                        PID:1575
                    • /bin/sh
                      sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt"
                      1⤵
                        PID:1576
                        • /bin/ln
                          ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt
                          2⤵
                            PID:1577
                        • /bin/sh
                          sh -c "mkdir -p /usr/bin/bsd-port"
                          1⤵
                            PID:1578
                            • /bin/mkdir
                              mkdir -p /usr/bin/bsd-port
                              2⤵
                              • Reads runtime system information
                              PID:1579
                          • /bin/sh
                            sh -c "mkdir -p /usr/bin/bsd-port"
                            1⤵
                              PID:1580
                              • /bin/mkdir
                                mkdir -p /usr/bin/bsd-port
                                2⤵
                                • Reads runtime system information
                                PID:1581
                            • /bin/sh
                              sh -c "cp -f /tmp/d6e5833b5fd732ac2ba017b1a6d34d77 /usr/bin/bsd-port/getty"
                              1⤵
                                PID:1582
                                • /bin/cp
                                  cp -f /tmp/d6e5833b5fd732ac2ba017b1a6d34d77 /usr/bin/bsd-port/getty
                                  2⤵
                                  • Write file to user bin folder
                                  • Reads runtime system information
                                  PID:1583
                              • /bin/sh
                                sh -c /usr/bin/bsd-port/getty
                                1⤵
                                  PID:1585
                                  • /usr/bin/bsd-port/getty
                                    /usr/bin/bsd-port/getty
                                    2⤵
                                    • Executes dropped EXE
                                    PID:1586
                                • /bin/sh
                                  sh -c "mkdir -p /usr/bin"
                                  1⤵
                                    PID:1589
                                    • /bin/mkdir
                                      mkdir -p /usr/bin
                                      2⤵
                                      • Reads runtime system information
                                      PID:1590
                                  • /bin/sh
                                    sh -c "mkdir -p /usr/bin"
                                    1⤵
                                      PID:1591
                                      • /bin/mkdir
                                        mkdir -p /usr/bin
                                        2⤵
                                        • Reads runtime system information
                                        PID:1592
                                    • /bin/sh
                                      sh -c "cp -f /tmp/d6e5833b5fd732ac2ba017b1a6d34d77 /usr/bin/.sshd"
                                      1⤵
                                        PID:1593
                                        • /bin/cp
                                          cp -f /tmp/d6e5833b5fd732ac2ba017b1a6d34d77 /usr/bin/.sshd
                                          2⤵
                                          • Write file to user bin folder
                                          • Reads runtime system information
                                          PID:1594
                                      • /bin/sh
                                        sh -c /usr/bin/.sshd
                                        1⤵
                                          PID:1596
                                          • /usr/bin/.sshd
                                            /usr/bin/.sshd
                                            2⤵
                                            • Executes dropped EXE
                                            PID:1597
                                        • /bin/sh
                                          sh -c "insmod /tmp/xpacket.ko"
                                          1⤵
                                            PID:1600
                                            • /sbin/insmod
                                              insmod /tmp/xpacket.ko
                                              2⤵
                                              • Reads runtime system information
                                              PID:1601

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • /tmp/gates.lod
                                            Filesize

                                            4B

                                            MD5

                                            facf9f743b083008a894eee7baa16469

                                            SHA1

                                            fe286d02f80118de47f2226c2fce9f7be0bc04f0

                                            SHA256

                                            2163909115c0f6f1e638bd2c2279387cbe37cc327150a7b5cddfde3d1cd4ef0e

                                            SHA512

                                            7bd3d1d347d68f23d612a3ec7a1d2f4094874162441bae20122876ea980bbb76a3c46d5d2e393975ea0659fb2b58046a311d7660f226482a57a74e9ffd9b0f36

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                                          • /usr/bin/bsd-port/getty
                                            Filesize

                                            1.2MB

                                            MD5

                                            d6e5833b5fd732ac2ba017b1a6d34d77

                                            SHA1

                                            77a31f0c1fdc7548c20e034c1761515a47a56a79

                                            SHA256

                                            856452857b500cca80879789377b60a6721cfe065f1f254a929d06f731eccca0

                                            SHA512

                                            1109c33635df4c76b3f56cad57fabfd5994d63e88f69533afe1aaa61d80a568dcdcfddda9cf0e763280427cadddaf2bc62d42162d0bcc2c7ba2a5cf1f4cfcf8a

                                            Download Submit