Analysis

  • max time kernel
    0s
  • max time network
    103s
  • 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
    18-10-2022 02:32

General

  • Target

    data/cowrie/downloads/fd5657061af78d879e64d780e5fada398258bc0f700068927e6e1fa992f58ae9

  • Size

    1KB

  • MD5

    a629b120ac58761ba9dc17d98bdd7308

  • SHA1

    717dc325ea7c8020904a8cb79dbe2672057884b5

  • SHA256

    fd5657061af78d879e64d780e5fada398258bc0f700068927e6e1fa992f58ae9

  • SHA512

    34be4ea3750a9255d2c4a471d2608824863af5b1f8d09d3d16c5c892c69229aed9523855f32c44fe4082ca276ec5cdf12631de54de0d7208a88f6dbe18774dc3

Score
9/10

Malware Config

Signatures

  • Writes file to system bin folder 1 TTPs 1 IoCs
  • Reads runtime system information 1 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 2 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/data/cowrie/downloads/fd5657061af78d879e64d780e5fada398258bc0f700068927e6e1fa992f58ae9
    /tmp/data/cowrie/downloads/fd5657061af78d879e64d780e5fada398258bc0f700068927e6e1fa992f58ae9
    1⤵
    • Writes file to tmp directory
    PID:577
    • /bin/cp
      cp /bin/busybox /tmp/
      2⤵
      • Writes file to system bin folder
      • Reads runtime system information
      • Writes file to tmp directory
      PID:578
    • /bin/cat
      cat phantom.x86
      2⤵
        PID:580
      • /bin/chmod
        chmod +x busybox data robben systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-resolved.service-3vbPcN systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-timesyncd.service-thgPxt
        2⤵
          PID:581
        • ./robben
          ./robben Payload
          2⤵
            PID:582
          • /bin/cat
            cat phantom.mips
            2⤵
              PID:585
            • /bin/chmod
              chmod +x busybox data robben systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-resolved.service-3vbPcN systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-timesyncd.service-thgPxt
              2⤵
                PID:586
              • ./robben
                ./robben Payload
                2⤵
                  PID:587
                • /bin/cat
                  cat phantom.mpsl
                  2⤵
                    PID:590
                  • /bin/chmod
                    chmod +x busybox data robben systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-resolved.service-3vbPcN systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-timesyncd.service-thgPxt
                    2⤵
                      PID:591
                    • ./robben
                      ./robben Payload
                      2⤵
                        PID:592
                      • /bin/cat
                        cat phantom.arm4
                        2⤵
                          PID:595
                        • /bin/chmod
                          chmod +x busybox data robben systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-resolved.service-3vbPcN systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-timesyncd.service-thgPxt
                          2⤵
                            PID:596
                          • ./robben
                            ./robben Payload
                            2⤵
                              PID:597
                            • /bin/cat
                              cat phantom.arm5
                              2⤵
                                PID:600
                              • /bin/chmod
                                chmod +x busybox data robben systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-resolved.service-3vbPcN systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-timesyncd.service-thgPxt
                                2⤵
                                  PID:601
                                • ./robben
                                  ./robben Payload
                                  2⤵
                                    PID:602
                                  • /bin/cat
                                    cat phantom.arm6
                                    2⤵
                                      PID:605
                                    • /bin/chmod
                                      chmod +x busybox data robben systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-resolved.service-3vbPcN systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-timesyncd.service-thgPxt
                                      2⤵
                                        PID:606
                                      • ./robben
                                        ./robben Payload
                                        2⤵
                                          PID:607
                                        • /bin/cat
                                          cat phantom.arm7
                                          2⤵
                                            PID:610
                                          • /bin/chmod
                                            chmod +x busybox data robben systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-resolved.service-3vbPcN systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-timesyncd.service-thgPxt
                                            2⤵
                                              PID:611
                                            • ./robben
                                              ./robben Payload
                                              2⤵
                                                PID:612
                                              • /bin/cat
                                                cat phantom.ppc
                                                2⤵
                                                  PID:615
                                                • /bin/chmod
                                                  chmod +x busybox data robben systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-resolved.service-3vbPcN systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-timesyncd.service-thgPxt
                                                  2⤵
                                                    PID:616
                                                  • ./robben
                                                    ./robben Payload
                                                    2⤵
                                                      PID:617
                                                    • /bin/cat
                                                      cat phantom.m68k
                                                      2⤵
                                                        PID:620
                                                      • /bin/chmod
                                                        chmod +x busybox data robben systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-resolved.service-3vbPcN systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-timesyncd.service-thgPxt
                                                        2⤵
                                                          PID:621
                                                        • ./robben
                                                          ./robben Payload
                                                          2⤵
                                                            PID:622
                                                          • /bin/cat
                                                            cat phantom.sh4
                                                            2⤵
                                                              PID:625
                                                            • /bin/chmod
                                                              chmod +x busybox data robben systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-resolved.service-3vbPcN systemd-private-ac1e6a06763947c182fe05199fb1756d-systemd-timesyncd.service-thgPxt
                                                              2⤵
                                                                PID:626
                                                              • ./robben
                                                                ./robben Payload
                                                                2⤵
                                                                  PID:627

                                                              Network

                                                              MITRE ATT&CK Matrix ATT&CK v6

                                                              Persistence

                                                              Hijack Execution Flow

                                                              1
                                                              T1574

                                                              Privilege Escalation

                                                              Hijack Execution Flow

                                                              1
                                                              T1574

                                                              Defense Evasion

                                                              Hijack Execution Flow

                                                              1
                                                              T1574

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                                                              Downloads