Overview

overview

10

Static

static

10

9df1353dbf...20fc5a

ubuntu-18.04-amd64

10

Analysis

  • max time kernel
    154s
  • max time network
    154s
  • 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, 13:17

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General

  • Target

    9df1353dbf715d5c4f580549d520fc5a

  • Size

    1.1MB

  • MD5

    9df1353dbf715d5c4f580549d520fc5a

  • SHA1

    55df8257d85a8db943d20e6753b02e53b557b9e8

  • SHA256

    8cf917f730b3432a1d238a44943f520142f52ac07494460aec3008a7e954dfbb

  • SHA512

    7ed70bb6e6f04527ea73f50754356d57656209047eaae4c3f5290bb81c0a0654d1feb09f1971704eed41b074bb214c10d2407094d0e266256d70f6e418b39e15

  • SSDEEP

    24576:4vRE7caCfKGPqVEDNLFxKsfaGI+gIGYuuCol7r:4vREKfPqVE5jKsfaGRHGVo7r

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 2 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 6 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/9df1353dbf715d5c4f580549d520fc5a
    /tmp/9df1353dbf715d5c4f580549d520fc5a
    1⤵
      PID:1543
    • /bin/sh
      sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt"
      1⤵
        PID:1549
        • /bin/ln
          ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt
          2⤵
            PID:1550
        • /bin/sh
          sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt"
          1⤵
            PID:1551
            • /bin/ln
              ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt
              2⤵
                PID:1552
            • /bin/sh
              sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt"
              1⤵
                PID:1553
                • /bin/ln
                  ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt
                  2⤵
                    PID:1554
                • /bin/sh
                  sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt"
                  1⤵
                    PID:1555
                    • /bin/ln
                      ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt
                      2⤵
                        PID:1556
                    • /bin/sh
                      sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt"
                      1⤵
                        PID:1557
                        • /bin/ln
                          ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt
                          2⤵
                            PID:1558
                        • /bin/sh
                          sh -c "mkdir -p /usr/bin/bsd-port"
                          1⤵
                            PID:1559
                            • /bin/mkdir
                              mkdir -p /usr/bin/bsd-port
                              2⤵
                              • Reads runtime system information
                              PID:1560
                          • /bin/sh
                            sh -c "cp -f /tmp/9df1353dbf715d5c4f580549d520fc5a /usr/bin/bsd-port/getty"
                            1⤵
                              PID:1561
                              • /bin/cp
                                cp -f /tmp/9df1353dbf715d5c4f580549d520fc5a /usr/bin/bsd-port/getty
                                2⤵
                                • Write file to user bin folder
                                • Reads runtime system information
                                PID:1562
                            • /bin/sh
                              sh -c /usr/bin/bsd-port/getty
                              1⤵
                                PID:1564
                                • /usr/bin/bsd-port/getty
                                  /usr/bin/bsd-port/getty
                                  2⤵
                                  • Executes dropped EXE
                                  PID:1565
                              • /bin/sh
                                sh -c "mkdir -p /etc/ssh"
                                1⤵
                                  PID:1567
                                  • /bin/mkdir
                                    mkdir -p /etc/ssh
                                    2⤵
                                    • Reads runtime system information
                                    PID:1568
                                • /bin/sh
                                  sh -c "cp -f /tmp/9df1353dbf715d5c4f580549d520fc5a /etc/ssh/sshpa"
                                  1⤵
                                    PID:1569
                                    • /bin/cp
                                      cp -f /tmp/9df1353dbf715d5c4f580549d520fc5a /etc/ssh/sshpa
                                      2⤵
                                      • Reads runtime system information
                                      PID:1570
                                  • /bin/sh
                                    sh -c /etc/ssh/sshpa
                                    1⤵
                                      PID:1572
                                      • /etc/ssh/sshpa
                                        /etc/ssh/sshpa
                                        2⤵
                                        • Executes dropped EXE
                                        PID:1573
                                    • /bin/sh
                                      sh -c "insmod /usr/lib/xpacket.ko"
                                      1⤵
                                        PID:1575
                                        • /sbin/insmod
                                          insmod /usr/lib/xpacket.ko
                                          2⤵
                                          • Reads runtime system information
                                          PID:1576
                                      • /bin/sh
                                        sh -c "ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux"
                                        1⤵
                                          PID:1577
                                          • /bin/ln
                                            ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux
                                            2⤵
                                              PID:1578
                                          • /bin/sh
                                            sh -c "ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux"
                                            1⤵
                                              PID:1579
                                              • /bin/ln
                                                ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux
                                                2⤵
                                                  PID:1580
                                              • /bin/sh
                                                sh -c "ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux"
                                                1⤵
                                                  PID:1581
                                                  • /bin/ln
                                                    ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux
                                                    2⤵
                                                      PID:1582
                                                  • /bin/sh
                                                    sh -c "ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux"
                                                    1⤵
                                                      PID:1583
                                                      • /bin/ln
                                                        ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux
                                                        2⤵
                                                          PID:1584
                                                      • /bin/sh
                                                        sh -c "ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux"
                                                        1⤵
                                                          PID:1585
                                                          • /bin/ln
                                                            ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux
                                                            2⤵
                                                              PID:1586
                                                          • /bin/sh
                                                            sh -c "mkdir -p /usr/bin/dpkgd"
                                                            1⤵
                                                              PID:1587
                                                              • /bin/mkdir
                                                                mkdir -p /usr/bin/dpkgd
                                                                2⤵
                                                                • Reads runtime system information
                                                                PID:1588
                                                            • /bin/sh
                                                              sh -c "cp -f /bin/ps /usr/bin/dpkgd/ps"
                                                              1⤵
                                                                PID:1589
                                                                • /bin/cp
                                                                  cp -f /bin/ps /usr/bin/dpkgd/ps
                                                                  2⤵
                                                                  • Write file to user bin folder
                                                                  • Reads runtime system information
                                                                  PID:1590
                                                              • /bin/sh
                                                                sh -c "mkdir -p /bin"
                                                                1⤵
                                                                  PID:1591
                                                                  • /bin/mkdir
                                                                    mkdir -p /bin
                                                                    2⤵
                                                                    • Reads runtime system information
                                                                    PID:1592
                                                                • /bin/sh
                                                                  sh -c "cp -f /usr/bin/bsd-port/getty /bin/ps"
                                                                  1⤵
                                                                    PID:1593
                                                                    • /bin/cp
                                                                      cp -f /usr/bin/bsd-port/getty /bin/ps
                                                                      2⤵
                                                                      • Writes file to system bin folder
                                                                      • Reads runtime system information
                                                                      PID:1594
                                                                  • /bin/sh
                                                                    sh -c "chmod 0755 /bin/ps"
                                                                    1⤵
                                                                      PID:1603
                                                                      • /bin/chmod
                                                                        chmod 0755 /bin/ps
                                                                        2⤵
                                                                          PID:1604
                                                                      • /bin/sh
                                                                        sh -c "cp -f /usr/bin/lsof /usr/bin/dpkgd/lsof"
                                                                        1⤵
                                                                          PID:1605
                                                                          • /bin/cp
                                                                            cp -f /usr/bin/lsof /usr/bin/dpkgd/lsof
                                                                            2⤵
                                                                            • Write file to user bin folder
                                                                            • Reads runtime system information
                                                                            PID:1606
                                                                        • /bin/sh
                                                                          sh -c "mkdir -p /usr/bin"
                                                                          1⤵
                                                                            PID:1607
                                                                            • /bin/mkdir
                                                                              mkdir -p /usr/bin
                                                                              2⤵
                                                                              • Reads runtime system information
                                                                              PID:1608
                                                                          • /bin/sh
                                                                            sh -c "cp -f /usr/bin/bsd-port/getty /usr/bin/lsof"
                                                                            1⤵
                                                                              PID:1609
                                                                              • /bin/cp
                                                                                cp -f /usr/bin/bsd-port/getty /usr/bin/lsof
                                                                                2⤵
                                                                                • Write file to user bin folder
                                                                                • Reads runtime system information
                                                                                PID:1610
                                                                            • /bin/sh
                                                                              sh -c "chmod 0755 /usr/bin/lsof"
                                                                              1⤵
                                                                                PID:1611
                                                                                • /bin/chmod
                                                                                  chmod 0755 /usr/bin/lsof
                                                                                  2⤵
                                                                                    PID:1612
                                                                                • /bin/sh
                                                                                  sh -c "insmod /usr/lib/xpacket.ko"
                                                                                  1⤵
                                                                                    PID:1613
                                                                                    • /sbin/insmod
                                                                                      insmod /usr/lib/xpacket.ko
                                                                                      2⤵
                                                                                      • Reads runtime system information
                                                                                      PID:1614

                                                                                  Network

                                                                                  MITRE ATT&CK Enterprise v15

                                                                                  Replay Monitor

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                                                                                  Downloads

                                                                                  • /etc/init.d/DbSecuritySpt
                                                                                    Filesize

                                                                                    50B

                                                                                    MD5

                                                                                    359e046636e6ed1745c9e15da5f122d0

                                                                                    SHA1

                                                                                    48712eb0416580d35453b8df79278f829c222386

                                                                                    SHA256

                                                                                    9bc2329a761e939efa1436a98f7f8a5895aec4cfdaad5f5dfcf1ec17ff318cad

                                                                                    SHA512

                                                                                    b7ae74c79112102faf627b51a435f7b5ceeae2020de6b9ec309a2dc935be3f3f4e63830305f913ddcd4725af4757e782e9a58fe224be143cabf25e2a47fb86f4

                                                                                    Download Submit

                                                                                  • /etc/init.d/selinux
                                                                                    Filesize

                                                                                    36B

                                                                                    MD5

                                                                                    993cc15058142d96c3daf7852c3d5ee8

                                                                                    SHA1

                                                                                    0950b8b391b04dd3895ea33cd3141543ebd2525d

                                                                                    SHA256

                                                                                    8171d077918611803d93088409f220c66fae1c670b297e1aa5d8cbd548ce9208

                                                                                    SHA512

                                                                                    0c4256c00a3710f97e92581b552682b36b62afc35fe72622c491323c618c19ea62611ac04ccafc3dfcde2254a2ebbd93b69b66795b16e36332293bed83adb928

                                                                                    Download Submit

                                                                                  • /tmp/gates.lock
                                                                                    Filesize

                                                                                    4B

                                                                                    MD5

                                                                                    f337d999d9ad116a7b4f3d409fcc6480

                                                                                    SHA1

                                                                                    a867de00c711504a6b5e881693b5c34e9f0599c5

                                                                                    SHA256

                                                                                    194af3b3d7b007443c26af23c035430b0afb9abebf8c89432884147fc41af759

                                                                                    SHA512

                                                                                    6bd97d4826f69e44ffb23fcaef7bc354c3f94270136b1ebdd9d94e5617843a4f5c7915da11f7e93ddbe6122c77c5f00e46a788fffed91c21b9b07310bdf626cd

                                                                                    Download Submit

                                                                                  • /tmp/moni.lock
                                                                                    Filesize

                                                                                    4B

                                                                                    MD5

                                                                                    0d4f4805c36dc6853edfa4c7e1638b48

                                                                                    SHA1

                                                                                    0dd8e2fe2969e0722430655502c0c0607a5b30be

                                                                                    SHA256

                                                                                    ef4cf73add6b6f476ece3477b6235878bc8a0de65fe7f561200ebac7f18db18a

                                                                                    SHA512

                                                                                    d0db9c1410d20e92c528bcc5d9973cec935bc4b87940bc8d15e100849034156c6670c60e3faa71c633ad03bf1c490550330ecbb336a2139d8cbcf99f00588b54

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                                                                                  • /tmp/notify.file
                                                                                    Filesize

                                                                                    37B

                                                                                    MD5

                                                                                    a43618de3a081c6ad5253dcf5a553dd4

                                                                                    SHA1

                                                                                    309b5c6e176bc79f647650ebf206f9ca982377a4

                                                                                    SHA256

                                                                                    b8db380dec00c762c5f539ebfdb5f8616fef5096bd11caab4187113f0fb7f307

                                                                                    SHA512

                                                                                    dfe679904835fb386b53d4d92d9bec39680bb84153d83d1b92f0c7493017bdd0df07eae6faba2b24e0842dae2d5d317d025590cea6ef452a9955fa51ae8f075a

                                                                                    Download Submit

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

                                                                                    1.1MB

                                                                                    MD5

                                                                                    9df1353dbf715d5c4f580549d520fc5a

                                                                                    SHA1

                                                                                    55df8257d85a8db943d20e6753b02e53b557b9e8

                                                                                    SHA256

                                                                                    8cf917f730b3432a1d238a44943f520142f52ac07494460aec3008a7e954dfbb

                                                                                    SHA512

                                                                                    7ed70bb6e6f04527ea73f50754356d57656209047eaae4c3f5290bb81c0a0654d1feb09f1971704eed41b074bb214c10d2407094d0e266256d70f6e418b39e15

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                                                                                  • /usr/bin/dpkgd/lsof
                                                                                    Filesize

                                                                                    159KB

                                                                                    MD5

                                                                                    e093dc78225e2a0a25e3b137c1c1e442

                                                                                    SHA1

                                                                                    c29497cfaae729eb576875e4fdfa400640ab16be

                                                                                    SHA256

                                                                                    1190f4dbc7be174de8fd4096c9bf7a28eebfac937d308b7cc533be4a1240d26e

                                                                                    SHA512

                                                                                    fe1cc7a65327732eaaee89f427c10239ba822430e34177842f4681068d78d404b1830d808a2a71b1efcc5f126c6d8c053512237421173aaa150e215a672da6f0

                                                                                    Download Submit

                                                                                  • /usr/bin/dpkgd/ps
                                                                                    Filesize

                                                                                    130KB

                                                                                    MD5

                                                                                    558edc26f8a38fa9788220b9af8a73e7

                                                                                    SHA1

                                                                                    3024d44e580e9c67f32f6c585d50e2a6cc9a7cac

                                                                                    SHA256

                                                                                    b76435c80333d2c1fd18e0e7682f1c9dfb5da8d507e93e3c416f54b481c428d5

                                                                                    SHA512

                                                                                    edaa425b441044f015e8f68fffa1664e42372d00dd0e7b0924d24ce947aa8e5f96b3bdc326fa2f8b978e3fcf638a1ceca45a223735db73f1607df66990feb56f

                                                                                    Download Submit