Analysis

  • max time kernel
    153s
  • max time network
    152s
  • 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 01:15

General

  • Target

    43195a0298bcc72b72f5687d4bd49c37

  • Size

    1.1MB

  • MD5

    43195a0298bcc72b72f5687d4bd49c37

  • SHA1

    90ea668fc256ee75f803da35bad44589cd2caddf

  • SHA256

    43056c0ce96c83c1c21263fd163f9a59156cbab1b5b7b713a4409ba5feeb7a7d

  • SHA512

    8b169b0f24e2676f05110df630c1a1df40d2b89176ebfcfd7ca59678cfad992b2ff152c041c93c1ea66d2f6be64a3a9adf99b67cc59d582ec14a3c207ab421a1

  • SSDEEP

    24576:4vRE7caCfKGPqVEDNLFxKsfa/I+gIGYuuCol7r:4vREKfPqVE5jKsfa/RHGVo7r

Malware Config

Signatures

  • MrBlack Trojan

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

  • MrBlack trojan 2 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.

  • Modifies init.d 1 TTPs 2 IoCs

    Adds/modifies system service, likely for 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 8 IoCs
  • Writes file to system bin folder 1 TTPs 1 IoCs
  • Reads system network configuration 1 TTPs 3 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 15 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/43195a0298bcc72b72f5687d4bd49c37
    /tmp/43195a0298bcc72b72f5687d4bd49c37
    1⤵
      PID:1537
    • /bin/sh
      sh -c "ln -s /etc/init.d/VsystemsshMmt /etc/rc1.d/S97VsystemsshMmt"
      1⤵
        PID:1543
        • /bin/ln
          ln -s /etc/init.d/VsystemsshMmt /etc/rc1.d/S97VsystemsshMmt
          2⤵
            PID:1544
        • /bin/sh
          sh -c "ln -s /etc/init.d/VsystemsshMmt /etc/rc2.d/S97VsystemsshMmt"
          1⤵
            PID:1545
            • /bin/ln
              ln -s /etc/init.d/VsystemsshMmt /etc/rc2.d/S97VsystemsshMmt
              2⤵
                PID:1546
            • /bin/sh
              sh -c "ln -s /etc/init.d/VsystemsshMmt /etc/rc3.d/S97VsystemsshMmt"
              1⤵
                PID:1547
                • /bin/ln
                  ln -s /etc/init.d/VsystemsshMmt /etc/rc3.d/S97VsystemsshMmt
                  2⤵
                    PID:1548
                • /bin/sh
                  sh -c "ln -s /etc/init.d/VsystemsshMmt /etc/rc4.d/S97VsystemsshMmt"
                  1⤵
                    PID:1549
                    • /bin/ln
                      ln -s /etc/init.d/VsystemsshMmt /etc/rc4.d/S97VsystemsshMmt
                      2⤵
                        PID:1550
                    • /bin/sh
                      sh -c "ln -s /etc/init.d/VsystemsshMmt /etc/rc5.d/S97VsystemsshMmt"
                      1⤵
                        PID:1551
                        • /bin/ln
                          ln -s /etc/init.d/VsystemsshMmt /etc/rc5.d/S97VsystemsshMmt
                          2⤵
                            PID:1552
                        • /bin/sh
                          sh -c "mkdir -p /usr/bin/bsd-port"
                          1⤵
                            PID:1553
                            • /bin/mkdir
                              mkdir -p /usr/bin/bsd-port
                              2⤵
                              • Reads runtime system information
                              PID:1554
                          • /bin/sh
                            sh -c "cp -f /tmp/43195a0298bcc72b72f5687d4bd49c37 /usr/bin/bsd-port/recei"
                            1⤵
                              PID:1555
                              • /bin/cp
                                cp -f /tmp/43195a0298bcc72b72f5687d4bd49c37 /usr/bin/bsd-port/recei
                                2⤵
                                • Write file to user bin folder
                                • Reads runtime system information
                                PID:1556
                            • /bin/sh
                              sh -c /usr/bin/bsd-port/recei
                              1⤵
                                PID:1558
                                • /usr/bin/bsd-port/recei
                                  /usr/bin/bsd-port/recei
                                  2⤵
                                  • Executes dropped EXE
                                  PID:1559
                              • /bin/sh
                                sh -c "mkdir -p /usr/bin"
                                1⤵
                                  PID:1561
                                  • /bin/mkdir
                                    mkdir -p /usr/bin
                                    2⤵
                                    • Reads runtime system information
                                    PID:1562
                                • /bin/sh
                                  sh -c "cp -f /tmp/43195a0298bcc72b72f5687d4bd49c37 /usr/bin/oracle"
                                  1⤵
                                    PID:1563
                                    • /bin/cp
                                      cp -f /tmp/43195a0298bcc72b72f5687d4bd49c37 /usr/bin/oracle
                                      2⤵
                                      • Write file to user bin folder
                                      • Reads runtime system information
                                      PID:1564
                                  • /bin/sh
                                    sh -c /usr/bin/oracle
                                    1⤵
                                      PID:1566
                                      • /usr/bin/oracle
                                        /usr/bin/oracle
                                        2⤵
                                        • Executes dropped EXE
                                        PID:1567
                                    • /bin/sh
                                      sh -c "insmod /usr/lib/xpacket.ko"
                                      1⤵
                                        PID:1569
                                        • /sbin/insmod
                                          insmod /usr/lib/xpacket.ko
                                          2⤵
                                          • Reads runtime system information
                                          PID:1570
                                      • /bin/sh
                                        sh -c "ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux"
                                        1⤵
                                          PID:1578
                                          • /bin/ln
                                            ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux
                                            2⤵
                                              PID:1579
                                          • /bin/sh
                                            sh -c "ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux"
                                            1⤵
                                              PID:1580
                                              • /bin/ln
                                                ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux
                                                2⤵
                                                  PID:1581
                                              • /bin/sh
                                                sh -c "ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux"
                                                1⤵
                                                  PID:1582
                                                  • /bin/ln
                                                    ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux
                                                    2⤵
                                                      PID:1583
                                                  • /bin/sh
                                                    sh -c "ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux"
                                                    1⤵
                                                      PID:1584
                                                      • /bin/ln
                                                        ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux
                                                        2⤵
                                                          PID:1585
                                                      • /bin/sh
                                                        sh -c "ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux"
                                                        1⤵
                                                          PID:1586
                                                          • /bin/ln
                                                            ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux
                                                            2⤵
                                                              PID:1587
                                                          • /bin/sh
                                                            sh -c "mkdir -p /usr/bin/dpkgd"
                                                            1⤵
                                                              PID:1588
                                                              • /bin/mkdir
                                                                mkdir -p /usr/bin/dpkgd
                                                                2⤵
                                                                • Reads runtime system information
                                                                PID:1589
                                                            • /bin/sh
                                                              sh -c "cp -f /bin/ps /usr/bin/dpkgd/ps"
                                                              1⤵
                                                                PID:1591
                                                                • /bin/cp
                                                                  cp -f /bin/ps /usr/bin/dpkgd/ps
                                                                  2⤵
                                                                  • Write file to user bin folder
                                                                  • Reads runtime system information
                                                                  PID:1592
                                                              • /bin/sh
                                                                sh -c "mkdir -p /bin"
                                                                1⤵
                                                                  PID:1593
                                                                  • /bin/mkdir
                                                                    mkdir -p /bin
                                                                    2⤵
                                                                    • Reads runtime system information
                                                                    PID:1594
                                                                • /bin/sh
                                                                  sh -c "cp -f /usr/bin/bsd-port/recei /bin/ps"
                                                                  1⤵
                                                                    PID:1595
                                                                    • /bin/cp
                                                                      cp -f /usr/bin/bsd-port/recei /bin/ps
                                                                      2⤵
                                                                      • Writes file to system bin folder
                                                                      • Reads runtime system information
                                                                      PID:1596
                                                                  • /bin/sh
                                                                    sh -c "chmod 0755 /bin/ps"
                                                                    1⤵
                                                                      PID:1597
                                                                      • /bin/chmod
                                                                        chmod 0755 /bin/ps
                                                                        2⤵
                                                                          PID:1598
                                                                      • /bin/sh
                                                                        sh -c "cp -f /usr/bin/lsof /usr/bin/dpkgd/lsof"
                                                                        1⤵
                                                                          PID:1599
                                                                          • /bin/cp
                                                                            cp -f /usr/bin/lsof /usr/bin/dpkgd/lsof
                                                                            2⤵
                                                                            • Write file to user bin folder
                                                                            • Reads runtime system information
                                                                            PID:1600
                                                                        • /bin/sh
                                                                          sh -c "mkdir -p /usr/bin"
                                                                          1⤵
                                                                            PID:1601
                                                                            • /bin/mkdir
                                                                              mkdir -p /usr/bin
                                                                              2⤵
                                                                              • Reads runtime system information
                                                                              PID:1602
                                                                          • /bin/sh
                                                                            sh -c "cp -f /usr/bin/bsd-port/recei /usr/bin/lsof"
                                                                            1⤵
                                                                              PID:1603
                                                                              • /bin/cp
                                                                                cp -f /usr/bin/bsd-port/recei /usr/bin/lsof
                                                                                2⤵
                                                                                • Write file to user bin folder
                                                                                • Reads runtime system information
                                                                                PID:1604
                                                                            • /bin/sh
                                                                              sh -c "chmod 0755 /usr/bin/lsof"
                                                                              1⤵
                                                                                PID:1605
                                                                                • /bin/chmod
                                                                                  chmod 0755 /usr/bin/lsof
                                                                                  2⤵
                                                                                    PID:1606
                                                                                • /bin/sh
                                                                                  sh -c "insmod /usr/lib/xpacket.ko"
                                                                                  1⤵
                                                                                    PID:1607
                                                                                    • /sbin/insmod
                                                                                      insmod /usr/lib/xpacket.ko
                                                                                      2⤵
                                                                                      • Reads runtime system information
                                                                                      PID:1608

                                                                                  Network

                                                                                  MITRE ATT&CK Enterprise v15

                                                                                  Replay Monitor

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                                                                                  Downloads

                                                                                  • /etc/init.d/VsystemsshMmt

                                                                                    Filesize

                                                                                    50B

                                                                                    MD5

                                                                                    0b1710699e87eb213db5875a0bef4eeb

                                                                                    SHA1

                                                                                    c8e50845bbeccc4ad772d8983f83959e1e1c5bbf

                                                                                    SHA256

                                                                                    405dda3a5ddb9cf2e7284ee4d433c53d6c9b4036045bd10e61a474f3be5c02e1

                                                                                    SHA512

                                                                                    abdef0595d05849f44fee592a659d0b7a226ea8f435621db3a0ac7d922871d61879cdee5d04c8c340c7c06d2cb724e84dfa910ad6e56ed06ee2e004d6147b4fe

                                                                                  • /etc/init.d/selinux

                                                                                    Filesize

                                                                                    36B

                                                                                    MD5

                                                                                    57cde9c165195cfb90c212057795ed49

                                                                                    SHA1

                                                                                    d77d9895306eb09ad9b54588fb7998c79c671563

                                                                                    SHA256

                                                                                    3e3488e9c63dfadffd594301e2192418b158238bfb8f83d6702123d72892cf36

                                                                                    SHA512

                                                                                    de9af53a508167cbbb820a99c2742918ec5b8c83877b77e43e4b441019311685647f47fb4666ba53ecef4e6a2d5514eb67981d471ddf173b04848609b3c0c00d

                                                                                  • /tmp/Dest.cfg

                                                                                    Filesize

                                                                                    4B

                                                                                    MD5

                                                                                    b60c5ab647a27045b462934977ccad9a

                                                                                    SHA1

                                                                                    aff60c26ab00f0ad980af68c68a926fa11795ef9

                                                                                    SHA256

                                                                                    0f8e631d28e2a339b435ea55da61c718da28902056ed719e576ff1c1b4cb2baf

                                                                                    SHA512

                                                                                    d8e0a85d197bbd49b2c4586c3e6e29dcdfa203b80c4d3480a4f48f0aeefd87ce3261e56bae531551d6eb007afd221a16df4447d1d4882c846a144754d16b8431

                                                                                  • /tmp/notify.file

                                                                                    Filesize

                                                                                    37B

                                                                                    MD5

                                                                                    69bffc5e1a48c5503f786465804eec8e

                                                                                    SHA1

                                                                                    13d603b8d8fa8b765b5b580145c6bfb3d88ec37f

                                                                                    SHA256

                                                                                    85bfedd210d3b130b973e3ddb88cc535b6ab6eb2b06bb358337dd74ae0bf310c

                                                                                    SHA512

                                                                                    c1fac0aedd8b66c0cf887d29901cdf186c46b7127be9a95e6f92e82bf11f7934eed50c9cc8f7f4c5803f9d9a9eacd62d2e17663538473cf7db0657fcbbb44643

                                                                                  • /usr/bin/bsd-port/conf.n

                                                                                    Filesize

                                                                                    69B

                                                                                    MD5

                                                                                    5d3d128f1b932142cdc67365e42a6fd5

                                                                                    SHA1

                                                                                    95a1566f0df9cc0857b389ab0285a778f0fb0e55

                                                                                    SHA256

                                                                                    344444f85c309bc9fd45233857e0bbb62dc549b49abf4cfc3af8d62a1ea1e222

                                                                                    SHA512

                                                                                    4f7485ce2ef5fca45c7d1b6a9301f2b0a43b2a125f39c0f9c303cba4f3532cff3eef8ba241870c0744898db07e40dae9dd81538082a1258a5493e6bd6e836206

                                                                                  • /usr/bin/bsd-port/recei

                                                                                    Filesize

                                                                                    1.1MB

                                                                                    MD5

                                                                                    43195a0298bcc72b72f5687d4bd49c37

                                                                                    SHA1

                                                                                    90ea668fc256ee75f803da35bad44589cd2caddf

                                                                                    SHA256

                                                                                    43056c0ce96c83c1c21263fd163f9a59156cbab1b5b7b713a4409ba5feeb7a7d

                                                                                    SHA512

                                                                                    8b169b0f24e2676f05110df630c1a1df40d2b89176ebfcfd7ca59678cfad992b2ff152c041c93c1ea66d2f6be64a3a9adf99b67cc59d582ec14a3c207ab421a1

                                                                                  • /usr/bin/dpkgd/lsof

                                                                                    Filesize

                                                                                    159KB

                                                                                    MD5

                                                                                    e093dc78225e2a0a25e3b137c1c1e442

                                                                                    SHA1

                                                                                    c29497cfaae729eb576875e4fdfa400640ab16be

                                                                                    SHA256

                                                                                    1190f4dbc7be174de8fd4096c9bf7a28eebfac937d308b7cc533be4a1240d26e

                                                                                    SHA512

                                                                                    fe1cc7a65327732eaaee89f427c10239ba822430e34177842f4681068d78d404b1830d808a2a71b1efcc5f126c6d8c053512237421173aaa150e215a672da6f0

                                                                                  • /usr/bin/dpkgd/ps

                                                                                    Filesize

                                                                                    130KB

                                                                                    MD5

                                                                                    558edc26f8a38fa9788220b9af8a73e7

                                                                                    SHA1

                                                                                    3024d44e580e9c67f32f6c585d50e2a6cc9a7cac

                                                                                    SHA256

                                                                                    b76435c80333d2c1fd18e0e7682f1c9dfb5da8d507e93e3c416f54b481c428d5

                                                                                    SHA512

                                                                                    edaa425b441044f015e8f68fffa1664e42372d00dd0e7b0924d24ce947aa8e5f96b3bdc326fa2f8b978e3fcf638a1ceca45a223735db73f1607df66990feb56f

                                                                                  • /usr/bin/oracle

                                                                                    Filesize

                                                                                    484KB

                                                                                    MD5

                                                                                    e968fee2e8940d305e29de48145a7946

                                                                                    SHA1

                                                                                    7bcaecf18afcf2c9dcb7fde66dcf97cbcd68019a

                                                                                    SHA256

                                                                                    8298b009e2af3e05eb4f3b02f8d0d6a2531eff3ef54d52a21575b77c396d5088

                                                                                    SHA512

                                                                                    fb9ab44f9010b8b5dc45872611b058587f0adf4c0d54ad93058241bc60f6f7a213914bae31420a2fef20a59dd77d62762586008d8322d7da19e217e8256f40dc