Overview

overview

7

Static

static

5

mips

debian-9-mips

7

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • 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
    25/09/2026, 12:30

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General

  • Target
    mips
  • Size 143KB
  • Sample260925-pptpssssft
  • SHA256 1921fbac7491fd43f197b13d471e7faab8fd41273115ce36ba3731b74934d01b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
credential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies the /etc/hosts DNS resolution file 1 TTPs 1 IoCs

    Modifying the /etc/hosts name-resolution file changes IP routing, which can facilitate traffic hijacking or the blocking of (security update) endpoints.

  • Creates/modifies Cron job 1 TTPs 1 IoCs

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

    executionpersistenceprivilege_escalation
  • Creates/modifies environment variables 1 TTPs 8 IoCs

    Creating/modifying environment variables is a common persistence mechanism.

    persistenceprivilege_escalationdefense_evasion
  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

    discovery
  • 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.

    persistence
  • Modifies rc script 2 TTPs 1 IoCs

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

    persistence
  • Modifies systemd 2 TTPs 1 IoCs

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

    persistenceprivilege_escalation
  • Modifies Bash startup script 2 TTPs 8 IoCs
    persistence
  • Reads process memory 1 TTPs 62 IoCs

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

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

    Uses contents of /proc filesystem to enumerate network settings.

    discovery
  • Enumerates kernel/hardware configuration 1 TTPs 64 IoCs

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

    discovery
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 6 IoCs

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

    discovery

Processes

  • /tmp/mips
    /tmp/mips
    1⤵
    • Modifies the /etc/hosts DNS resolution file
    • Creates/modifies environment variables
    • Enumerates active TCP sockets
    • Modifies init.d
    • Modifies rc script
    • Modifies systemd
    • Modifies Bash startup script
    • Reads process memory
    • Changes its process name
    • Reads system network configuration
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    • System Network Configuration Discovery
    PID:707
    • /bin/sh
      sh -c "systemctl daemon-reload 2>/dev/null"
      2⤵
        PID:721
        • /bin/systemctl
          systemctl daemon-reload
          3⤵
            PID:723
        • /bin/sh
          sh -c "systemctl enable system-service 2>/dev/null"
          2⤵
            PID:749
            • /bin/systemctl
              systemctl enable system-service
              3⤵
                PID:750
            • /bin/sh
              sh -c "killall -9 sshd 2>/dev/null"
              2⤵
                PID:766
              • /bin/sh
                sh -c "killall -9 telnetd 2>/dev/null"
                2⤵
                  PID:767
                • /bin/sh
                  sh -c "killall -9 dropbear 2>/dev/null"
                  2⤵
                    PID:768
                  • /bin/sh
                    sh -c "killall -9 in.telnetd 2>/dev/null"
                    2⤵
                      PID:769
                    • /bin/sh
                      sh -c "killall -9 lighttpd 2>/dev/null"
                      2⤵
                        PID:770
                      • /bin/sh
                        sh -c "killall -9 nginx 2>/dev/null"
                        2⤵
                          PID:771
                        • /bin/sh
                          sh -c "killall -9 apache2 2>/dev/null"
                          2⤵
                            PID:772
                          • /bin/sh
                            sh -c "killall -9 httpd 2>/dev/null"
                            2⤵
                              PID:773
                            • /bin/sh
                              sh -c "iptables -F 2>/dev/null"
                              2⤵
                              • System Network Configuration Discovery
                              PID:774
                            • /bin/sh
                              sh -c "iptables -X 2>/dev/null"
                              2⤵
                              • System Network Configuration Discovery
                              PID:775
                              • /sbin/iptables
                                iptables -X
                                3⤵
                                  PID:776
                              • /bin/sh
                                sh -c "iptables -t nat -F 2>/dev/null"
                                2⤵
                                • System Network Configuration Discovery
                                PID:777
                              • /bin/sh
                                sh -c "ip6tables -F 2>/dev/null"
                                2⤵
                                • System Network Configuration Discovery
                                PID:778
                              • /bin/sh
                                sh -c "ip6tables -X 2>/dev/null"
                                2⤵
                                • System Network Configuration Discovery
                                PID:779
                              • /usr/bin/chattr
                                chattr +ia /var/tmp/.cache/sysd
                                2⤵
                                  PID:780
                                • /usr/bin/chattr
                                  chattr +ia /etc/systemd/system/system-service.service
                                  2⤵
                                    PID:782
                                  • /bin/sh
                                    sh -c "systemctl restart system-service 2>/dev/null"
                                    2⤵
                                      PID:784
                                      • /bin/systemctl
                                        systemctl restart system-service
                                        3⤵
                                          PID:785
                                      • /bin/sh
                                        sh -c "update-rc.d system-service defaults 2>/dev/null"
                                        2⤵
                                          PID:787
                                          • /usr/sbin/update-rc.d
                                            update-rc.d system-service defaults
                                            3⤵
                                              PID:788
                                              • /usr/local/sbin/systemctl
                                                systemctl daemon-reload
                                                4⤵
                                                  PID:791
                                                • /usr/local/bin/systemctl
                                                  systemctl daemon-reload
                                                  4⤵
                                                    PID:791
                                                  • /usr/sbin/systemctl
                                                    systemctl daemon-reload
                                                    4⤵
                                                      PID:791
                                                    • /usr/bin/systemctl
                                                      systemctl daemon-reload
                                                      4⤵
                                                        PID:791
                                                      • /sbin/systemctl
                                                        systemctl daemon-reload
                                                        4⤵
                                                          PID:791
                                                        • /bin/systemctl
                                                          systemctl daemon-reload
                                                          4⤵
                                                          • Reads runtime system information
                                                          PID:791
                                                    • /bin/sh
                                                      sh -c "[ -d /etc/rc.d ] && ln -sf /etc/init.d/system-service /etc/rc.d/S99system-service 2>/dev/null"
                                                      2⤵
                                                        PID:805
                                                      • /bin/sh
                                                        sh -c "crontab -l 2>/dev/null"
                                                        2⤵
                                                          PID:807
                                                          • /usr/bin/crontab
                                                            crontab -l
                                                            3⤵
                                                              PID:808
                                                          • /bin/sh
                                                            sh -c "(crontab -l 2>/dev/null; echo '* * * * * /var/tmp/.cache/sysd >/dev/null 2>&1 # sysmon') | crontab - 2>/dev/null"
                                                            2⤵
                                                              PID:809
                                                              • /usr/bin/crontab
                                                                crontab -l
                                                                3⤵
                                                                  PID:812
                                                                • /usr/bin/crontab
                                                                  crontab -
                                                                  3⤵
                                                                  • Creates/modifies Cron job
                                                                  • Reads runtime system information
                                                                  PID:811
                                                            • /bin/busybox
                                                              chattr +ia /etc/systemd/system/system-service.service
                                                              1⤵
                                                                PID:783
                                                              • /bin/busybox
                                                                chattr +ia /var/tmp/.cache/sysd
                                                                1⤵
                                                                  PID:781

                                                                Network

                                                                      MITRE ATT&CK Enterprise v16

                                                                      Reconnaissance

                                                                      Resource Development

                                                                      Initial Access

                                                                      Execution

                                                                      Scheduled Task/Job

                                                                      1
                                                                      T1053

                                                                      Cron

                                                                      1
                                                                      T1053.003

                                                                      Persistence

                                                                      Boot or Logon Autostart Execution

                                                                      4
                                                                      T1547

                                                                      XDG Autostart Entries

                                                                      1
                                                                      T1547.013

                                                                      Boot or Logon Initialization Scripts

                                                                      2
                                                                      T1037

                                                                      RC Scripts

                                                                      2
                                                                      T1037.004

                                                                      Create or Modify System Process

                                                                      1
                                                                      T1543

                                                                      Systemd Service

                                                                      1
                                                                      T1543.002

                                                                      Event Triggered Execution

                                                                      1
                                                                      T1546

                                                                      Unix Shell Configuration Modification

                                                                      1
                                                                      T1546.004

                                                                      Hijack Execution Flow

                                                                      1
                                                                      T1574

                                                                      Path Interception by PATH Environment Variable

                                                                      1
                                                                      T1574.007

                                                                      Scheduled Task/Job

                                                                      1
                                                                      T1053

                                                                      Cron

                                                                      1
                                                                      T1053.003

                                                                      Privilege Escalation

                                                                      Boot or Logon Autostart Execution

                                                                      4
                                                                      T1547

                                                                      XDG Autostart Entries

                                                                      1
                                                                      T1547.013

                                                                      Boot or Logon Initialization Scripts

                                                                      2
                                                                      T1037

                                                                      RC Scripts

                                                                      2
                                                                      T1037.004

                                                                      Create or Modify System Process

                                                                      1
                                                                      T1543

                                                                      Systemd Service

                                                                      1
                                                                      T1543.002

                                                                      Event Triggered Execution

                                                                      1
                                                                      T1546

                                                                      Unix Shell Configuration Modification

                                                                      1
                                                                      T1546.004

                                                                      Hijack Execution Flow

                                                                      1
                                                                      T1574

                                                                      Path Interception by PATH Environment Variable

                                                                      1
                                                                      T1574.007

                                                                      Scheduled Task/Job

                                                                      1
                                                                      T1053

                                                                      Cron

                                                                      1
                                                                      T1053.003

                                                                      Defense Evasion

                                                                      Hijack Execution Flow

                                                                      1
                                                                      T1574

                                                                      Path Interception by PATH Environment Variable

                                                                      1
                                                                      T1574.007

                                                                      Credential Access

                                                                      Adversary-in-the-Middle

                                                                      1
                                                                      T1557

                                                                      OS Credential Dumping

                                                                      1
                                                                      T1003

                                                                      Proc Filesystem

                                                                      1
                                                                      T1003.007

                                                                      Discovery

                                                                      System Information Discovery

                                                                      1
                                                                      T1082

                                                                      System Network Configuration Discovery

                                                                      2
                                                                      T1016

                                                                      Internet Connection Discovery

                                                                      1
                                                                      T1016.001

                                                                      System Network Connections Discovery

                                                                      1
                                                                      T1049

                                                                      Lateral Movement

                                                                      Collection

                                                                      Adversary-in-the-Middle

                                                                      1
                                                                      T1557

                                                                      Command and Control

                                                                      Exfiltration

                                                                      Impact

                                                                      Replay Monitor

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                                                                      Downloads

                                                                      system-service
                                                                      • Path /etc/init.d/system-service
                                                                      • Size 281B
                                                                      • SHA256 6b12b3aebe89a8b83f17aac06db83faacbb3d304071eaa5e0be2360506537750
                                                                      • MD5 SHA1 SHA512 TLSH
                                                                      Submit Download

                                                                      system-service.service
                                                                      • Path /etc/systemd/system/system-service.service
                                                                      • Size 239B
                                                                      • SHA256 d87189495e7b2df9de53f91d04936b0d0ce05d905d437fa956fa444e89c29616
                                                                      • MD5 SHA1 SHA512 TLSH
                                                                      Submit Download

                                                                      .ashrc
                                                                      • Path /root/.ashrc
                                                                      • Size 55B
                                                                      • SHA256 e83fa96ab8cabf90d3308cf335055bf6b01737c5d0b87e5e5bec5d097da6c127
                                                                      • MD5 SHA1 SHA512
                                                                      Submit Download

                                                                      tmp.d5MTY0
                                                                      • Path /var/spool/cron/crontabs/tmp.d5MTY0
                                                                      • Size 231B
                                                                      • SHA256 9407981dfd6cf69ccc98aa56338dfa23de3ff2a8bfe3644065de2201db2b962e
                                                                      • MD5 SHA1 SHA512 TLSH
                                                                      Submit Download

                                                                      sysd
                                                                      • Path /var/tmp/.cache/sysd
                                                                      • Size 963KB
                                                                      • SHA256 3a6ab7550b272a8a8021f34c9b960749bb73883598748dfbc3a2069b1d799dcf
                                                                      • MD5 SHA1 SHA512 SSDEEP TLSH
                                                                      Submit Download