Overview

overview

10

Static

static

10

hoodlum.i586.elf

ubuntu-24.04-amd64

7

Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    ubuntu-24.04_amd64
  • resource
    ubuntu2404-amd64-20240523-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2404-amd64-20240523-enkernel:6.8.0-31-genericlocale:en-usos:ubuntu-24.04-amd64system
  • submitted
    22/02/2025, 17:12

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General

  • Target

    hoodlum.i586.elf

  • Size

    107KB

  • MD5

    b8860e33ab9767d7cc38e10dda5ffcad

  • SHA1

    2d3c691ccadaa36f4ac4383b9131707d03dfdc84

  • SHA256

    bef49b6194de69c6a390caead8ec74e6c0641b911699b3ffb9c9856509883c8e

  • SHA512

    b60f4adea683146001f8660503d54f2c9c46df1beab840c1b080505c73d3e847590279575b3b8ac4ae1de089bfb440a5dffc15d27fdac9ee75052c647c1060af

  • SSDEEP

    3072:E/opUnUp90MjphxhZsd18tl3xzELtpD5hqYkWmu80CjKaIU:L0690MjphxDsdklhzELD5hqY9mu80C+E

Score
7/10
defense_evasiondiscoveryprivilege_escalationrootkit

Malware Config

Signatures

  • Deletes Audit logs 1 TTPs 1 IoCs

    Deletes logs related to the Linux Audit framework.

    defense_evasion
  • Deletes journal logs 1 TTPs 5 IoCs

    Deletes systemd journal logs. Likely to evade detection.

    defense_evasion
  • Flushes firewall rules 1 TTPs 6 IoCs

    Flushes/ disables firewall rules inside the Linux kernel.

    defense_evasion
  • Loads a kernel module 39 IoCs

    Loads a Linux kernel module, potentially to achieve persistence

    rootkit
  • Abuse Elevation Control Mechanism: Sudo and Sudo Caching 1 TTPs 1 IoCs

    Abuse sudo or cached sudo credentials to execute code.

    privilege_escalationdefense_evasion
  • Deletes log files 1 TTPs 64 IoCs

    Deletes log files on the system.

    defense_evasion
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads CPU attributes 1 TTPs 3 IoCs
    discovery
  • Enumerates kernel/hardware configuration 1 TTPs 3 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 1 IoCs

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

    discovery

Processes

  • /tmp/hoodlum.i586.elf
    /tmp/hoodlum.i586.elf
    1⤵
    • Loads a kernel module
    PID:2467
    • /usr/bin/rm
      rm -rf /tmp/gdm3-config-err-CXsH5k /tmp/gdm3-config-err-rITj3R /tmp/snap-private-tmp /tmp/systemd-private-6a9240c088b84719a5d3980390340998-ModemManager.service-e0LCxN /tmp/systemd-private-6a9240c088b84719a5d3980390340998-colord.service-3AZrc8 /tmp/systemd-private-6a9240c088b84719a5d3980390340998-polkit.service-xhM5DJ /tmp/systemd-private-6a9240c088b84719a5d3980390340998-power-profiles-daemon.service-CSj4Ft /tmp/systemd-private-6a9240c088b84719a5d3980390340998-switcheroo-control.service-t9aJeD /tmp/systemd-private-6a9240c088b84719a5d3980390340998-systemd-logind.service-ZIHKX9 /tmp/systemd-private-6a9240c088b84719a5d3980390340998-systemd-oomd.service-sVt3MQ /tmp/systemd-private-6a9240c088b84719a5d3980390340998-systemd-resolved.service-8LdBEO /tmp/systemd-private-6a9240c088b84719a5d3980390340998-systemd-timedated.service-AuBIdY /tmp/systemd-private-6a9240c088b84719a5d3980390340998-upower.service-t1T5ZR /var/backups /var/cache /var/crash /var/lib /var/local /var/lock /var/log /var/mail /var/metrics /var/opt /var/run /var/snap /var/spool /var/tmp /var/run/NetworkManager /var/run/agetty.reload /var/run/apport.lock /var/run/atd.pid /var/run/auditd.pid /var/run/avahi-daemon /var/run/blkid /var/run/cloud-init /var/run/console-setup /var/run/credentials /var/run/crond.pid /var/run/crond.reboot /var/run/cryptsetup /var/run/cups /var/run/dbus /var/run/dmeventd-client /var/run/dmeventd-server /var/run/fsck /var/run/gdm3 /var/run/gdm3.pid /var/run/initctl /var/run/initramfs /var/run/lock /var/run/log /var/run/lvm /var/run/lxd-installer.socket /var/run/mount /var/run/multipath /var/run/multipathd.pid /var/run/openvpn /var/run/openvpn-client /var/run/openvpn-server /var/run/sendsigs.omit.d /var/run/setrans /var/run/shm /var/run/snapd-snap.socket /var/run/snapd.socket /var/run/speech-dispatcher /var/run/spice-vdagentd /var/run/sudo /var/run/systemd /var/run/tmpfiles.d /var/run/udev /var/run/udisks2 /var/run/user /var/run/utmp /var/run/wpa_supplicant /var/tmp/systemd-private-6a9240c088b84719a5d3980390340998-ModemManager.service-hKfVPS /var/tmp/systemd-private-6a9240c088b84719a5d3980390340998-colord.service-LCuiBT /var/tmp/systemd-private-6a9240c088b84719a5d3980390340998-polkit.service-yZcrW0 /var/tmp/systemd-private-6a9240c088b84719a5d3980390340998-power-profiles-daemon.service-Sj3sZW /var/tmp/systemd-private-6a9240c088b84719a5d3980390340998-switcheroo-control.service-Ihp91V /var/tmp/systemd-private-6a9240c088b84719a5d3980390340998-systemd-logind.service-qmyExX /var/tmp/systemd-private-6a9240c088b84719a5d3980390340998-systemd-oomd.service-ug5qb4 /var/tmp/systemd-private-6a9240c088b84719a5d3980390340998-systemd-resolved.service-8UEZrE /var/tmp/systemd-private-6a9240c088b84719a5d3980390340998-systemd-timedated.service-kK5zMm /var/tmp/systemd-private-6a9240c088b84719a5d3980390340998-upower.service-CwbJcJ
      2⤵
      • Deletes Audit logs
      • Deletes journal logs
      • Abuse Elevation Control Mechanism: Sudo and Sudo Caching
      • Deletes log files
      PID:2472
    • /usr/bin/rm
      rm -rf /var/log/wtmp
      2⤵
      • Deletes log files
      PID:2486
    • /usr/bin/rm
      rm -rf "/tmp/*"
      2⤵
        PID:2488
      • /usr/bin/rm
        rm -rf /bin/netstat
        2⤵
          PID:2490
        • /usr/bin/pkill
          pkill -9 busybox
          2⤵
          • Reads CPU attributes
          • Enumerates kernel/hardware configuration
          • Reads runtime system information
          PID:2493
        • /usr/bin/pkill
          pkill -9 perl
          2⤵
          • Reads CPU attributes
          • Enumerates kernel/hardware configuration
          • Reads runtime system information
          PID:2495
        • /usr/bin/pkill
          pkill -9 python
          2⤵
          • Reads CPU attributes
          • Enumerates kernel/hardware configuration
          • Reads runtime system information
          PID:2497
        • /usr/sbin/service
          service iptables stop
          2⤵
          • System Network Configuration Discovery
          PID:2499
          • /usr/bin/basename
            basename /usr/sbin/service
            3⤵
              PID:2500
            • /usr/bin/basename
              basename /usr/sbin/service
              3⤵
                PID:2501
              • /usr/bin/systemctl
                systemctl list-unit-files --full "--type=socket"
                3⤵
                  PID:2503
                • /usr/bin/sed
                  sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                  3⤵
                    PID:2504
                • /usr/local/sbin/systemctl
                  systemctl stop iptables.service
                  2⤵
                    PID:2499
                  • /usr/local/bin/systemctl
                    systemctl stop iptables.service
                    2⤵
                      PID:2499
                    • /usr/sbin/systemctl
                      systemctl stop iptables.service
                      2⤵
                        PID:2499
                      • /usr/bin/systemctl
                        systemctl stop iptables.service
                        2⤵
                          PID:2499
                        • /sbin/iptables
                          /sbin/iptables -F
                          2⤵
                          • Flushes firewall rules
                          PID:2506
                        • /sbin/iptables
                          /sbin/iptables -X
                          2⤵
                          • Flushes firewall rules
                          PID:2507
                        • /usr/sbin/service
                          service firewalld stop
                          2⤵
                            PID:2509
                            • /usr/bin/basename
                              basename /usr/sbin/service
                              3⤵
                                PID:2510
                              • /usr/bin/basename
                                basename /usr/sbin/service
                                3⤵
                                  PID:2511
                                • /usr/bin/systemctl
                                  systemctl list-unit-files --full "--type=socket"
                                  3⤵
                                    PID:2513
                                  • /usr/bin/sed
                                    sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                                    3⤵
                                      PID:2514
                                  • /usr/local/sbin/systemctl
                                    systemctl stop firewalld.service
                                    2⤵
                                    • Flushes firewall rules
                                    PID:2509
                                  • /usr/local/bin/systemctl
                                    systemctl stop firewalld.service
                                    2⤵
                                    • Flushes firewall rules
                                    PID:2509
                                  • /usr/sbin/systemctl
                                    systemctl stop firewalld.service
                                    2⤵
                                    • Flushes firewall rules
                                    PID:2509
                                  • /usr/bin/systemctl
                                    systemctl stop firewalld.service
                                    2⤵
                                    • Flushes firewall rules
                                    PID:2509
                                  • /usr/bin/rm
                                    rm -rf "~/.bash_history"
                                    2⤵
                                      PID:2516

                                  Network

                                  MITRE ATT&CK Enterprise v15

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