Overview

overview

6

Static

static

1

9YZ5.elf

debian-12-mipsel

6

Analysis

  • max time kernel
    151s
  • max time network
    144s
  • platform
    debian-12_mipsel
  • resource
    debian12-mipsel-20260513-en
  • resource tags

    arch:mipselimage:debian12-mipsel-20260513-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
  • submitted
    02/08/2026, 09:28

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General

  • Target
    9YZ5.elf
  • Size 96KB
  • Sample260802-lfnkmsgj6t
  • SHA256 db021661e482c2a6c79be232b900ce9c66fcf1b78ad18ee9e3ba80a792c07d37
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
antivmdiscoveryexecutionpersistenceprivilege_escalation

Malware Config

Signatures

  • Creates/modifies Cron job 1 TTPs 2 IoCs

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

    executionpersistenceprivilege_escalation
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • 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
  • Checks CPU configuration 1 TTPs 1 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/9YZ5.elf
    /tmp/9YZ5.elf
    1⤵
    • Creates/modifies Cron job
    • Modifies rc script
    • Modifies systemd
    • Checks CPU configuration
    • Reads runtime system information
    PID:804
    • /usr/local/sbin/systemctl
      systemctl daemon-reload
      2⤵
        PID:823
      • /usr/local/sbin/systemctl
        systemctl enable crond.service
        2⤵
          PID:824
        • /usr/local/bin/systemctl
          systemctl enable crond.service
          2⤵
            PID:824
          • /usr/local/bin/systemctl
            systemctl daemon-reload
            2⤵
              PID:823
            • /usr/sbin/systemctl
              systemctl enable crond.service
              2⤵
                PID:824
              • /usr/sbin/systemctl
                systemctl daemon-reload
                2⤵
                  PID:823
              • /usr/bin/systemctl
                systemctl enable crond.service
                1⤵
                • Reads runtime system information
                PID:824
              • /usr/bin/systemctl
                systemctl daemon-reload
                1⤵
                  PID:823

                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

                      2
                      T1547

                      XDG Autostart Entries

                      1
                      T1547.013

                      Boot or Logon Initialization Scripts

                      1
                      T1037

                      RC Scripts

                      1
                      T1037.004

                      Create or Modify System Process

                      1
                      T1543

                      Systemd Service

                      1
                      T1543.002

                      Scheduled Task/Job

                      1
                      T1053

                      Cron

                      1
                      T1053.003

                      Privilege Escalation

                      Boot or Logon Autostart Execution

                      2
                      T1547

                      XDG Autostart Entries

                      1
                      T1547.013

                      Boot or Logon Initialization Scripts

                      1
                      T1037

                      RC Scripts

                      1
                      T1037.004

                      Create or Modify System Process

                      1
                      T1543

                      Systemd Service

                      1
                      T1543.002

                      Scheduled Task/Job

                      1
                      T1053

                      Cron

                      1
                      T1053.003

                      Defense Evasion

                      Virtualization/Sandbox Evasion

                      1
                      T1497

                      System Checks

                      1
                      T1497.001

                      Credential Access

                      Discovery

                      Virtualization/Sandbox Evasion

                      1
                      T1497

                      System Checks

                      1
                      T1497.001

                      Lateral Movement

                      Collection

                      Command and Control

                      Exfiltration

                      Impact

                      Replay Monitor

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                      Downloads

                      crond
                      • Path /etc/cron.d/crond
                      • Size 30B
                      • SHA256 19ff5a2f9b53783f48ca70c0c743697916a0a4663fda8e5e6af71ab70758f3e0
                      • MD5 SHA1 SHA512
                      Submit Download

                      rc.local
                      • Path /etc/rc.local
                      • Size 10B
                      • SHA256 a8076d3d28d21e02012b20eaf7dbf75409a6277134439025f282e368e3305abf
                      • MD5 SHA1 SHA512
                      Submit Download

                      rc.local
                      • Path /etc/rc.local
                      • Size 34B
                      • SHA256 bb9e1e0bedd1bcbbfe498966cd3e16c58c1535919dd6dbe7ec1695be4e8f0a67
                      • MD5 SHA1 SHA512
                      Submit Download

                      crond.service
                      • Path /etc/systemd/system/crond.service
                      • Size 193B
                      • SHA256 c98b72021ec87b7473dd7a9b1c9e3039a3da597ba3541d257c4ccf376d2b542f
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download