Analysis

  • max time kernel
    2698s
  • max time network
    2702s
  • platform
    ubuntu-20.04_amd64
  • resource
    ubuntu2004-amd64-20240508-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2004-amd64-20240508-enkernel:5.4.0-169-genericlocale:en-usos:ubuntu-20.04-amd64system
  • submitted
    30-06-2024 17:05

General

  • Target

    https://mega.nz/file/NJBhAS6b#dc1prx0zaW2vTVmwKIYof4l2wllOtMfBG5WYlHvWna0

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs
  • Changes its process name 64 IoCs
  • Checks CPU configuration 1 TTPs 1 IoCs

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

  • Reads CPU attributes 1 TTPs 15 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 64 IoCs

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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /usr/bin/firefox
    firefox -new-tab "https://mega.nz/file/NJBhAS6b#dc1prx0zaW2vTVmwKIYof4l2wllOtMfBG5WYlHvWna0"
    1⤵
      PID:1415
      • /usr/bin/which
        which /usr/bin/firefox
        2⤵
          PID:1416
      • /usr/lib/firefox/firefox
        /usr/lib/firefox/firefox -new-tab "https://mega.nz/file/NJBhAS6b#dc1prx0zaW2vTVmwKIYof4l2wllOtMfBG5WYlHvWna0"
        1⤵
        • Checks CPU configuration
        • Reads CPU attributes
        • Enumerates kernel/hardware configuration
        • Reads runtime system information
        • Writes file to tmp directory
        PID:1415
        • /usr/local/sbin/dbus-launch
          dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
          2⤵
            PID:1459
          • /usr/local/bin/dbus-launch
            dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
            2⤵
              PID:1459
            • /usr/sbin/dbus-launch
              dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
              2⤵
                PID:1459
              • /usr/bin/dbus-launch
                dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                2⤵
                  PID:1459
                  • /usr/bin/dbus-daemon
                    /usr/bin/dbus-daemon --syslog-only --fork --print-pid 5 --print-address 7 --session
                    3⤵
                    • Enumerates kernel/hardware configuration
                    • Reads runtime system information
                    PID:1461
                    • /usr/libexec/xdg-desktop-portal
                      /usr/libexec/xdg-desktop-portal
                      4⤵
                      • Reads runtime system information
                      PID:1503
                    • /usr/libexec/xdg-document-portal
                      /usr/libexec/xdg-document-portal
                      4⤵
                        PID:1508
                      • /usr/libexec/xdg-permission-store
                        /usr/libexec/xdg-permission-store
                        4⤵
                          PID:1513
                        • /usr/libexec/xdg-desktop-portal-gtk
                          /usr/libexec/xdg-desktop-portal-gtk
                          4⤵
                          • Reads runtime system information
                          PID:1524
                        • /usr/libexec/gvfsd
                          /usr/libexec/gvfsd
                          4⤵
                          • Reads runtime system information
                          PID:1528
                          • /usr/libexec/gvfsd-trash
                            /usr/libexec/gvfsd-trash --spawner :1.6 /org/gtk/gvfs/exec_spaw/0
                            5⤵
                            • Reads runtime system information
                            PID:1560
                        • /usr/libexec/dconf-service
                          /usr/libexec/dconf-service
                          4⤵
                            PID:1551
                          • /usr/bin/nautilus
                            /usr/bin/nautilus --gapplication-service
                            4⤵
                            • Reads CPU attributes
                            • Reads runtime system information
                            PID:1556
                          • /usr/bin/gnome-keyring-daemon
                            /usr/bin/gnome-keyring-daemon --start --foreground "--components=secrets"
                            4⤵
                            • Reads runtime system information
                            PID:1887
                          • /usr/libexec/gvfs-udisks2-volume-monitor
                            /usr/libexec/gvfs-udisks2-volume-monitor
                            4⤵
                            • Reads runtime system information
                            PID:1895
                          • /usr/libexec/gvfs-afc-volume-monitor
                            /usr/libexec/gvfs-afc-volume-monitor
                            4⤵
                              PID:1901
                            • /usr/libexec/gvfs-mtp-volume-monitor
                              /usr/libexec/gvfs-mtp-volume-monitor
                              4⤵
                              • Enumerates kernel/hardware configuration
                              • Reads runtime system information
                              PID:1907
                            • /usr/libexec/gvfs-gphoto2-volume-monitor
                              /usr/libexec/gvfs-gphoto2-volume-monitor
                              4⤵
                              • Enumerates kernel/hardware configuration
                              • Reads runtime system information
                              PID:1912
                            • /usr/libexec/gvfs-goa-volume-monitor
                              /usr/libexec/gvfs-goa-volume-monitor
                              4⤵
                              • Reads runtime system information
                              PID:1919
                            • /usr/libexec/goa-daemon
                              /usr/libexec/goa-daemon
                              4⤵
                              • Reads runtime system information
                              PID:1923
                            • /usr/libexec/goa-identity-service
                              /usr/libexec/goa-identity-service
                              4⤵
                              • Reads runtime system information
                              PID:1935
                        • /usr/lib/firefox/glxtest
                          /usr/lib/firefox/glxtest -f 13
                          2⤵
                          • Enumerates kernel/hardware configuration
                          • Reads runtime system information
                          PID:1466
                        • /usr/bin/lsb_release
                          /usr/bin/lsb_release -idrc
                          2⤵
                            PID:1478
                          • /usr/local/sbin/dbus-launch
                            dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                            2⤵
                              PID:1488
                            • /usr/local/bin/dbus-launch
                              dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                              2⤵
                                PID:1488
                              • /usr/sbin/dbus-launch
                                dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                2⤵
                                  PID:1488
                                • /usr/bin/dbus-launch
                                  dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                  2⤵
                                    PID:1488
                                  • /usr/lib/firefox/firefox
                                    /usr/lib/firefox/firefox -contentproc -parentBuildID 20240108143603 -prefsLen 21691 -prefMapSize 235269 -appDir /usr/lib/firefox/browser "{86472b65-11bf-41d0-ba4b-f88688aed711}" 1415 true socket
                                    2⤵
                                    • Reads CPU attributes
                                    • Enumerates kernel/hardware configuration
                                    • Reads runtime system information
                                    PID:1500
                                  • /usr/lib/firefox/firefox
                                    /usr/lib/firefox/firefox -contentproc -childID 1 -isForBrowser -prefsLen 20430 -prefMapSize 235269 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{e3503677-0743-4fe0-9cc6-1abd607ddb72}" 1415 true tab
                                    2⤵
                                    • Reads CPU attributes
                                    • Enumerates kernel/hardware configuration
                                    • Reads runtime system information
                                    PID:1573
                                  • /usr/lib/firefox/firefox
                                    /usr/lib/firefox/firefox -contentproc -childID 2 -isForBrowser -prefsLen 28694 -prefMapSize 235269 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{3c65fb66-67ff-470a-85b5-fe720b928949}" 1415 true tab
                                    2⤵
                                    • Reads CPU attributes
                                    • Enumerates kernel/hardware configuration
                                    • Reads runtime system information
                                    PID:1621
                                  • /usr/lib/firefox/firefox
                                    /usr/lib/firefox/firefox -contentproc -parentBuildID 20240108143603 -sandboxingKind 0 -prefsLen 29199 -prefMapSize 235269 -appDir /usr/lib/firefox/browser "{3ae71bd5-b034-49ce-95e1-df6312abbeab}" 1415 true utility
                                    2⤵
                                    • Reads CPU attributes
                                    • Enumerates kernel/hardware configuration
                                    • Reads runtime system information
                                    PID:1648
                                  • /usr/lib/firefox/firefox
                                    /usr/lib/firefox/firefox -contentproc -childID 3 -isForBrowser -prefsLen 25441 -prefMapSize 235269 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{5a51d872-e4d4-446b-9fb4-063f5314de7c}" 1415 true tab
                                    2⤵
                                    • Reads CPU attributes
                                    • Enumerates kernel/hardware configuration
                                    • Reads runtime system information
                                    PID:1650
                                  • /usr/lib/firefox/firefox
                                    /usr/lib/firefox/firefox -contentproc -childID 4 -isForBrowser -prefsLen 25441 -prefMapSize 235269 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{7ccee44b-c482-4b3e-a0de-bf61f5a49875}" 1415 true tab
                                    2⤵
                                    • Reads CPU attributes
                                    • Enumerates kernel/hardware configuration
                                    • Reads runtime system information
                                    PID:1657
                                  • /usr/lib/firefox/firefox
                                    /usr/lib/firefox/firefox -contentproc -childID 5 -isForBrowser -prefsLen 25441 -prefMapSize 235269 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{9b4b43e4-ffbe-4df5-825c-47c14a7cff08}" 1415 true tab
                                    2⤵
                                    • Reads CPU attributes
                                    • Enumerates kernel/hardware configuration
                                    • Reads runtime system information
                                    PID:1695
                                  • /usr/lib/firefox/firefox
                                    /usr/lib/firefox/firefox -contentproc -childID 6 -isForBrowser -prefsLen 25584 -prefMapSize 235269 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{2375bbd2-116a-4037-81f3-c305b4c67d9f}" 1415 true tab
                                    2⤵
                                    • Reads CPU attributes
                                    • Reads runtime system information
                                    PID:1782
                                  • /usr/lib/firefox/firefox
                                    /usr/lib/firefox/firefox -contentproc -childID 7 -isForBrowser -prefsLen 29452 -prefMapSize 235269 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{03b3d01a-0b07-4c5e-b836-e6bf28401207}" 1415 true tab
                                    2⤵
                                    • Reads CPU attributes
                                    • Enumerates kernel/hardware configuration
                                    • Reads runtime system information
                                    PID:1924
                                  • /usr/lib/firefox/firefox
                                    /usr/lib/firefox/firefox -contentproc -childID 8 -isForBrowser -prefsLen 27823 -prefMapSize 235269 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{09f92dca-fd47-4172-86aa-d9aedb42e01e}" 1415 true tab
                                    2⤵
                                    • Reads CPU attributes
                                    • Reads runtime system information
                                    PID:2239
                                • /usr/libexec/gvfsd-fuse
                                  /usr/libexec/gvfsd-fuse /root/.cache/gvfs -f -o big_writes
                                  1⤵
                                  • Reads runtime system information
                                  PID:1533

                                Network

                                MITRE ATT&CK Matrix ATT&CK v13

                                Defense Evasion

                                Virtualization/Sandbox Evasion

                                1
                                T1497

                                Discovery

                                Virtualization/Sandbox Evasion

                                1
                                T1497

                                System Information Discovery

                                2
                                T1082

                                Command and Control

                                Web Service

                                1
                                T1102

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • /root/Downloads/Release.zRGuHB52.zip.part
                                  Filesize

                                  25.7MB

                                  MD5

                                  a5462146f06c63eb9386e8f951523f4f

                                  SHA1

                                  2a042b447f74b2932298afc2211de7554cf57310

                                  SHA256

                                  06d18fa3624a48755f3e8fa21b1793b0746819bd800d29cd31809aa73b8c2bcf

                                  SHA512

                                  48ed868c4382b87a89e47e1462c54f083ac15cb3f1bb7cca2c532b4030bea80b6cec8122011822df864622e20c83451dea813208135260b2ee35bc8f298b6e34

                                • /root/Downloads/iuZol1Pe.zip.part
                                  Filesize

                                  2.2MB

                                  MD5

                                  88bfb3f8a7e3c3f1bc8f2d376b7fdb19

                                  SHA1

                                  8a6a13072eadcc03370f53b7b4ee5a7934f29848

                                  SHA256

                                  269742c37caa49dd1db1e244bcd4a0f1c7da4826eede0836ed6882aafb7d2a79

                                  SHA512

                                  6a21a9918323dae793fd813b3180b7c2091d0d1f203b726874e555488d502b68ea42af5ca91279fad1e45b74f064cd9201c4832b059595e8d7638e792b00faf4

                                • /tmp/tmpaddon
                                  Filesize

                                  569KB

                                  MD5

                                  30082ae40dc48af6343db2fd22cfc645

                                  SHA1

                                  3eb577555ee638e8beb01173e8f29e172747a728

                                  SHA256

                                  85d4b95f9b2075daee9b0e64bce8d9d7343d0dda10e6072d7f9485a68472ee76

                                  SHA512

                                  53a58bfb4c8124ad4f7655b99bfdea290033a085e0796b19245b33b91c0948fdac9f0c3e817130b352493a65d9a7a0fc8a7c1eedc618cdaa2b4580734a11cd9c