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Overview

overview

10

Static

static

10

China.z-rpvd

ubuntu-18.04-amd64

10

Analysis

  • max time kernel
    154s
  • max time network
    156s
  • 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, 08:06

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General

  • Target

    China.z-rpvd

  • Size

    1.5MB

  • MD5

    9f5049a1f72b215d122d8c13c77301c8

  • SHA1

    56c89dda5ff4182bdccef7e53a4af77407e2a9ed

  • SHA256

    8035cfe776a0730dedb984d83a1272054f920d248b6e8134126a61eecd28b97c

  • SHA512

    7f08ee472d1fa3b622ddf053aa365fba118eb312326fc18f62fb1caf2cd98ec7f583284394cc71566f4f01e164d9fad151e0c463f8fef0e3924ffa484576b9b3

  • SSDEEP

    49152:2nilOolLbt1laIunbZsehkqS55555555555555555555555555555555555k55w1:yeOolLbt1laIunlsehKNtYi7COEm

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 8 IoCs
  • Writes file to system bin folder 1 TTPs 2 IoCs
  • Reads system network configuration 1 TTPs 3 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 23 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/China.z-rpvd
    /tmp/China.z-rpvd
    1⤵
      PID:1536
    • /bin/sh
      sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt"
      1⤵
        PID:1541
        • /bin/ln
          ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt
          2⤵
            PID:1542
        • /bin/sh
          sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt"
          1⤵
            PID:1543
            • /bin/ln
              ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt
              2⤵
                PID:1544
            • /bin/sh
              sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt"
              1⤵
                PID:1545
                • /bin/ln
                  ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt
                  2⤵
                    PID:1546
                • /bin/sh
                  sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt"
                  1⤵
                    PID:1547
                    • /bin/ln
                      ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt
                      2⤵
                        PID:1548
                    • /bin/sh
                      sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt"
                      1⤵
                        PID:1549
                        • /bin/ln
                          ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt
                          2⤵
                            PID:1550
                        • /bin/sh
                          sh -c "mkdir -p /usr/bin/bsd-port"
                          1⤵
                            PID:1551
                            • /bin/mkdir
                              mkdir -p /usr/bin/bsd-port
                              2⤵
                              • Reads runtime system information
                              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/China.z-rpvd /usr/bin/bsd-port/getty"
                              1⤵
                                PID:1555
                                • /bin/cp
                                  cp -f /tmp/China.z-rpvd /usr/bin/bsd-port/getty
                                  2⤵
                                  • Write file to user bin folder
                                  • Reads runtime system information
                                  PID:1556
                              • /bin/sh
                                sh -c /usr/bin/bsd-port/getty
                                1⤵
                                  PID:1558
                                  • /usr/bin/bsd-port/getty
                                    /usr/bin/bsd-port/getty
                                    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 "mkdir -p /usr/bin"
                                    1⤵
                                      PID:1563
                                      • /bin/mkdir
                                        mkdir -p /usr/bin
                                        2⤵
                                        • Reads runtime system information
                                        PID:1564
                                    • /bin/sh
                                      sh -c "cp -f /tmp/China.z-rpvd /usr/bin/.sshd"
                                      1⤵
                                        PID:1565
                                        • /bin/cp
                                          cp -f /tmp/China.z-rpvd /usr/bin/.sshd
                                          2⤵
                                          • Write file to user bin folder
                                          • Reads runtime system information
                                          PID:1566
                                      • /bin/sh
                                        sh -c "ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux"
                                        1⤵
                                          PID:1567
                                          • /bin/ln
                                            ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux
                                            2⤵
                                              PID:1568
                                          • /bin/sh
                                            sh -c "ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux"
                                            1⤵
                                              PID:1569
                                              • /bin/ln
                                                ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux
                                                2⤵
                                                  PID:1570
                                              • /bin/sh
                                                sh -c "ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux"
                                                1⤵
                                                  PID:1571
                                                  • /bin/ln
                                                    ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux
                                                    2⤵
                                                      PID:1572
                                                  • /bin/sh
                                                    sh -c "ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux"
                                                    1⤵
                                                      PID:1573
                                                      • /bin/ln
                                                        ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux
                                                        2⤵
                                                          PID:1576
                                                      • /bin/sh
                                                        sh -c /usr/bin/.sshd
                                                        1⤵
                                                          PID:1575
                                                          • /usr/bin/.sshd
                                                            /usr/bin/.sshd
                                                            2⤵
                                                            • Executes dropped EXE
                                                            PID:1577
                                                        • /bin/sh
                                                          sh -c "ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux"
                                                          1⤵
                                                            PID:1578
                                                            • /bin/ln
                                                              ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux
                                                              2⤵
                                                                PID:1579
                                                            • /bin/sh
                                                              sh -c "mkdir -p /usr/bin/dpkgd"
                                                              1⤵
                                                                PID:1580
                                                                • /bin/mkdir
                                                                  mkdir -p /usr/bin/dpkgd
                                                                  2⤵
                                                                  • Reads runtime system information
                                                                  PID:1581
                                                              • /bin/sh
                                                                sh -c "cp -f /bin/ps /usr/bin/dpkgd/ps"
                                                                1⤵
                                                                  PID:1582
                                                                  • /bin/cp
                                                                    cp -f /bin/ps /usr/bin/dpkgd/ps
                                                                    2⤵
                                                                    • Write file to user bin folder
                                                                    • Reads runtime system information
                                                                    PID:1583
                                                                • /bin/sh
                                                                  sh -c "mkdir -p /bin"
                                                                  1⤵
                                                                    PID:1584
                                                                    • /bin/mkdir
                                                                      mkdir -p /bin
                                                                      2⤵
                                                                      • Reads runtime system information
                                                                      PID:1585
                                                                  • /bin/sh
                                                                    sh -c "mkdir -p /bin"
                                                                    1⤵
                                                                      PID:1586
                                                                      • /bin/mkdir
                                                                        mkdir -p /bin
                                                                        2⤵
                                                                        • Reads runtime system information
                                                                        PID:1587
                                                                    • /bin/sh
                                                                      sh -c "cp -f /usr/bin/bsd-port/getty /bin/ps"
                                                                      1⤵
                                                                        PID:1588
                                                                        • /bin/cp
                                                                          cp -f /usr/bin/bsd-port/getty /bin/ps
                                                                          2⤵
                                                                          • Writes file to system bin folder
                                                                          • Reads runtime system information
                                                                          PID:1589
                                                                      • /bin/sh
                                                                        sh -c "chmod 0755 /bin/ps"
                                                                        1⤵
                                                                          PID:1593
                                                                          • /bin/chmod
                                                                            chmod 0755 /bin/ps
                                                                            2⤵
                                                                              PID:1594
                                                                          • /bin/sh
                                                                            sh -c "cp -f /bin/ss /usr/bin/dpkgd/ss"
                                                                            1⤵
                                                                              PID:1595
                                                                              • /bin/cp
                                                                                cp -f /bin/ss /usr/bin/dpkgd/ss
                                                                                2⤵
                                                                                • Write file to user bin folder
                                                                                • Reads runtime system information
                                                                                PID:1596
                                                                            • /bin/sh
                                                                              sh -c "mkdir -p /bin"
                                                                              1⤵
                                                                                PID:1597
                                                                                • /bin/mkdir
                                                                                  mkdir -p /bin
                                                                                  2⤵
                                                                                  • Reads runtime system information
                                                                                  PID:1598
                                                                              • /bin/sh
                                                                                sh -c "mkdir -p /bin"
                                                                                1⤵
                                                                                  PID:1599
                                                                                  • /bin/mkdir
                                                                                    mkdir -p /bin
                                                                                    2⤵
                                                                                    • Reads runtime system information
                                                                                    PID:1600
                                                                                • /bin/sh
                                                                                  sh -c "cp -f /usr/bin/bsd-port/getty /bin/ss"
                                                                                  1⤵
                                                                                    PID:1601
                                                                                    • /bin/cp
                                                                                      cp -f /usr/bin/bsd-port/getty /bin/ss
                                                                                      2⤵
                                                                                      • Writes file to system bin folder
                                                                                      • Reads runtime system information
                                                                                      PID:1602
                                                                                  • /bin/sh
                                                                                    sh -c "chmod 0755 /bin/ss"
                                                                                    1⤵
                                                                                      PID:1603
                                                                                      • /bin/chmod
                                                                                        chmod 0755 /bin/ss
                                                                                        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 "mkdir -p /usr/bin"
                                                                                            1⤵
                                                                                              PID:1609
                                                                                              • /bin/mkdir
                                                                                                mkdir -p /usr/bin
                                                                                                2⤵
                                                                                                • Reads runtime system information
                                                                                                PID:1610
                                                                                            • /bin/sh
                                                                                              sh -c "cp -f /usr/bin/bsd-port/getty /usr/bin/lsof"
                                                                                              1⤵
                                                                                                PID:1611
                                                                                                • /bin/cp
                                                                                                  cp -f /usr/bin/bsd-port/getty /usr/bin/lsof
                                                                                                  2⤵
                                                                                                  • Write file to user bin folder
                                                                                                  • Reads runtime system information
                                                                                                  PID:1612
                                                                                              • /bin/sh
                                                                                                sh -c "chmod 0755 /usr/bin/lsof"
                                                                                                1⤵
                                                                                                  PID:1613
                                                                                                  • /bin/chmod
                                                                                                    chmod 0755 /usr/bin/lsof
                                                                                                    2⤵
                                                                                                      PID:1614
                                                                                                  • /bin/sh
                                                                                                    sh -c "insmod /tmp/xpacket.ko"
                                                                                                    1⤵
                                                                                                      PID:1617
                                                                                                      • /sbin/insmod
                                                                                                        insmod /tmp/xpacket.ko
                                                                                                        2⤵
                                                                                                        • Reads runtime system information
                                                                                                        PID:1618
                                                                                                    • /bin/sh
                                                                                                      sh -c "insmod /usr/bin/bsd-port/xpacket.ko"
                                                                                                      1⤵
                                                                                                        PID:1619
                                                                                                        • /sbin/insmod
                                                                                                          insmod /usr/bin/bsd-port/xpacket.ko
                                                                                                          2⤵
                                                                                                          • Reads runtime system information
                                                                                                          PID:1620

                                                                                                      Network

                                                                                                      MITRE ATT&CK Enterprise v15

                                                                                                      Replay Monitor

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                                                                                                      Downloads

                                                                                                      • /etc/init.d/selinux
                                                                                                        Filesize

                                                                                                        36B

                                                                                                        MD5

                                                                                                        993cc15058142d96c3daf7852c3d5ee8

                                                                                                        SHA1

                                                                                                        0950b8b391b04dd3895ea33cd3141543ebd2525d

                                                                                                        SHA256

                                                                                                        8171d077918611803d93088409f220c66fae1c670b297e1aa5d8cbd548ce9208

                                                                                                        SHA512

                                                                                                        0c4256c00a3710f97e92581b552682b36b62afc35fe72622c491323c618c19ea62611ac04ccafc3dfcde2254a2ebbd93b69b66795b16e36332293bed83adb928

                                                                                                        Download Submit

                                                                                                      • /tmp/moni.lod
                                                                                                        Filesize

                                                                                                        4B

                                                                                                        MD5

                                                                                                        bcb41ccdc4363c6848a1d760f26c28a0

                                                                                                        SHA1

                                                                                                        e66d35a623d670f416f6080f849b834be5e04d17

                                                                                                        SHA256

                                                                                                        6c77b607e17df16d31c46c746a36328056fc8d153b71370ed1a56d4c0700238e

                                                                                                        SHA512

                                                                                                        bb8e75c07ce94b7022865b826126bbba68cea5110cf353f015b80727782246fbff3e004a655b00d495e34f4d426f42abba8558e4bf1e557ca381f0c8e280da6c

                                                                                                        Download Submit

                                                                                                      • /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

                                                                                                      • /usr/bin/dpkgd/ss
                                                                                                        Filesize

                                                                                                        136KB

                                                                                                        MD5

                                                                                                        1dc929b5f2cd12fe6a2fe71140d2a9e3

                                                                                                        SHA1

                                                                                                        f9995a92bb201b1b7738a39a38570ef0c40b52d2

                                                                                                        SHA256

                                                                                                        418aae1da62554afe9f260866267af328fd761b3fd6f90f0ea53d543e2fefc38

                                                                                                        SHA512

                                                                                                        fbed011c595084548db440dfbe485b7d27032a44a6ae9e141fe43f31c8c524ff9347135ab035deb441fca99e5a3794f7bb9194f148aa2f60f1547a7c67d47373

                                                                                                        Download Submit