Analysis

  • max time kernel
    145s
  • max time network
    146s
  • 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
    17/10/2026, 02:53

General

  • Target
    6d688e9a406a5bd98be464de8edd5757d2bab2ae5fcea65c7b12503020c40900
  • Size 104KB
  • Sample261017-dds4cagv8m
  • SHA256 6d688e9a406a5bd98be464de8edd5757d2bab2ae5fcea65c7b12503020c40900
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates/modifies Cron job 1 TTPs 5 IoCs

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

  • Creates/modifies environment variables 1 TTPs 1 IoCs

    Creating/modifying environment variables is a common persistence mechanism.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Modifies init.d 2 TTPs 1 IoCs

    Adds/modifies system service, likely for persistence.

  • Modifies rc script 2 TTPs 2 IoCs

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

  • Modifies systemd 2 TTPs 2 IoCs

    Adds/ modifies systemd service files. Likely to achieve persistence.

  • Modifies Bash startup script 2 TTPs 1 IoCs
  • Reads process memory 1 TTPs 64 IoCs

    Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

  • Changes its process name 1 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/6d688e9a406a5bd98be464de8edd5757d2bab2ae5fcea65c7b12503020c40900
    /tmp/6d688e9a406a5bd98be464de8edd5757d2bab2ae5fcea65c7b12503020c40900
    1⤵
    • Creates/modifies Cron job
    • Creates/modifies environment variables
    • Modifies init.d
    • Modifies rc script
    • Modifies systemd
    • Modifies Bash startup script
    • Reads process memory
    • Changes its process name
    • Reads runtime system information
    PID:1476
    • /bin/sh
      sh -c "systemctl enable systemd-update.service 2>/dev/null"
      2⤵
        PID:1481
        • /bin/systemctl
          systemctl enable systemd-update.service
          3⤵
            PID:1482
        • /bin/sh
          sh -c "systemctl start systemd-update.service 2>/dev/null"
          2⤵
            PID:1510
            • /bin/systemctl
              systemctl start systemd-update.service
              3⤵
                PID:1511
            • /bin/sh
              sh -c "update-rc.d systemd-update defaults 2>/dev/null"
              2⤵
                PID:1514
                • /usr/sbin/update-rc.d
                  update-rc.d systemd-update defaults
                  3⤵
                    PID:1515
                    • /usr/local/sbin/systemctl
                      systemctl daemon-reload
                      4⤵
                        PID:1516
                      • /usr/local/bin/systemctl
                        systemctl daemon-reload
                        4⤵
                          PID:1516
                        • /usr/sbin/systemctl
                          systemctl daemon-reload
                          4⤵
                            PID:1516
                          • /usr/bin/systemctl
                            systemctl daemon-reload
                            4⤵
                              PID:1516
                            • /sbin/systemctl
                              systemctl daemon-reload
                              4⤵
                                PID:1516
                              • /bin/systemctl
                                systemctl daemon-reload
                                4⤵
                                  PID:1516
                            • /bin/sh
                              sh -c "rc-update add systemd-update 2>/dev/null"
                              2⤵
                                PID:1537

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

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                                  Downloads

                                  systemd-update

                                  • Path /etc/cron.d/systemd-update
                                  • Size 133B
                                  • SHA256 3fcae2c72707c94337e7a235b6e844b413f188787a2248bc4e1768ccfb74c4d6
                                  • MD5 SHA1 SHA512 TLSH

                                  root

                                  • Path /etc/cron.hourly/root
                                  • Size 40B
                                  • SHA256 c581c722356b034af679ed218837de3644dc590faa67a7532ca96edfddc61c19
                                  • MD5 SHA1 SHA512

                                  systemd-update

                                  • Path /etc/init.d/systemd-update
                                  • Size 509B
                                  • SHA256 c81d7bfb1bef0158f0c585f87b2b938a7cf46a2f7e6a29935e23a2bac0185910
                                  • MD5 SHA1 SHA512 TLSH

                                  systemd.sh

                                  • Path /etc/profile.d/systemd.sh
                                  • Size 98B
                                  • SHA256 dd26d5d8beba29974659530d33dd2118a3b6815b1a4cbc022ccc50cc46656e61
                                  • MD5 SHA1 SHA512 TLSH

                                  systemd-update.service

                                  • Path /etc/systemd/system/systemd-update.service
                                  • Size 194B
                                  • SHA256 e2e271543855504eefcce8105ef01fb452f09f9949ab7fc13b51ff4596ffc63b
                                  • MD5 SHA1 SHA512 TLSH

                                  systemd-update

                                  • Path /usr/lib/systemd/systemd-update
                                  • Size 104KB
                                  • SHA256 6d688e9a406a5bd98be464de8edd5757d2bab2ae5fcea65c7b12503020c40900
                                  • MD5 SHA1 SHA512 SSDEEP TLSH