Resubmissions

13-05-2024 10:42

240513-mrqd2sag5v 6

13-05-2024 10:09

240513-l68y9shf6z 6

13-05-2024 09:45

240513-lq2j9ahh47 7

21-04-2024 01:23

240421-bryjwaff5s 6

21-04-2024 01:20

240421-bqjpbsfc59 7

Analysis

  • max time kernel
    590s
  • max time network
    565s
  • 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
    13-05-2024 10:09

General

  • Target

    https://github.com/FlareSolverr/FlareSolverr

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 10 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 12 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 2 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /usr/bin/xdg-open
    xdg-open https://github.com/FlareSolverr/FlareSolverr
    1⤵
      PID:1413
      • /usr/bin/dbus-send
        dbus-send --print-reply "--dest=org.freedesktop.DBus" /org/freedesktop/DBus org.freedesktop.DBus.GetNameOwner string:org.gnome.SessionManager
        2⤵
          PID:1415
          • /usr/bin/dbus-launch
            dbus-launch --autolaunch 4816dd152e8c48ff97e9117d197c13d8 --binary-syntax --close-stderr
            3⤵
              PID:1416
              • /usr/bin/dbus-daemon
                /usr/bin/dbus-daemon --syslog-only --fork --print-pid 5 --print-address 7 --session
                4⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:1419
                • /usr/libexec/xdg-desktop-portal
                  /usr/libexec/xdg-desktop-portal
                  5⤵
                  • Reads runtime system information
                  PID:1569
                • /usr/libexec/xdg-document-portal
                  /usr/libexec/xdg-document-portal
                  5⤵
                    PID:1574
                  • /usr/libexec/xdg-permission-store
                    /usr/libexec/xdg-permission-store
                    5⤵
                    • Reads runtime system information
                    PID:1578
                  • /usr/libexec/xdg-desktop-portal-gtk
                    /usr/libexec/xdg-desktop-portal-gtk
                    5⤵
                      PID:1589
                    • /usr/libexec/gvfsd
                      /usr/libexec/gvfsd
                      5⤵
                      • Reads runtime system information
                      PID:1593
                      • /usr/libexec/gvfsd-trash
                        /usr/libexec/gvfsd-trash --spawner :1.8 /org/gtk/gvfs/exec_spaw/0
                        6⤵
                        • Reads runtime system information
                        PID:1625
                    • /usr/libexec/dconf-service
                      /usr/libexec/dconf-service
                      5⤵
                        PID:1616
                      • /usr/bin/nautilus
                        /usr/bin/nautilus --gapplication-service
                        5⤵
                        • Reads CPU attributes
                        • Reads runtime system information
                        PID:1622
                      • /usr/bin/gnome-keyring-daemon
                        /usr/bin/gnome-keyring-daemon --start --foreground "--components=secrets"
                        5⤵
                        • Reads runtime system information
                        PID:1777
                      • /usr/libexec/gvfs-udisks2-volume-monitor
                        /usr/libexec/gvfs-udisks2-volume-monitor
                        5⤵
                        • Reads runtime system information
                        PID:1785
                      • /usr/libexec/gvfs-afc-volume-monitor
                        /usr/libexec/gvfs-afc-volume-monitor
                        5⤵
                          PID:1791
                        • /usr/libexec/gvfs-mtp-volume-monitor
                          /usr/libexec/gvfs-mtp-volume-monitor
                          5⤵
                          • Enumerates kernel/hardware configuration
                          • Reads runtime system information
                          PID:1797
                        • /usr/libexec/gvfs-gphoto2-volume-monitor
                          /usr/libexec/gvfs-gphoto2-volume-monitor
                          5⤵
                          • Enumerates kernel/hardware configuration
                          • Reads runtime system information
                          PID:1802
                        • /usr/libexec/gvfs-goa-volume-monitor
                          /usr/libexec/gvfs-goa-volume-monitor
                          5⤵
                          • Reads runtime system information
                          PID:1807
                        • /usr/libexec/goa-daemon
                          /usr/libexec/goa-daemon
                          5⤵
                            PID:1813
                          • /usr/libexec/goa-identity-service
                            /usr/libexec/goa-identity-service
                            5⤵
                            • Reads runtime system information
                            PID:1820
                    • /usr/bin/grep
                      grep " = \\\"xfce4\\\"\$"
                      2⤵
                        PID:1428
                      • /usr/bin/xprop
                        xprop -root _DT_SAVE_MODE
                        2⤵
                          PID:1427
                        • /usr/bin/grep
                          grep -i "^xfce_desktop_window"
                          2⤵
                            PID:1433
                          • /usr/bin/xprop
                            xprop -root
                            2⤵
                              PID:1432
                            • /usr/bin/grep
                              grep -q "^Enlightenment"
                              2⤵
                                PID:1438
                              • /usr/bin/uname
                                uname
                                2⤵
                                  PID:1440
                                • /usr/bin/grep
                                  grep -q "^file://"
                                  2⤵
                                    PID:1442
                                  • /usr/bin/egrep
                                    egrep -q "^[[:alpha:]+\\.\\-]+:"
                                    2⤵
                                      PID:1446
                                    • /usr/local/sbin/grep
                                      grep -E -q "^[[:alpha:]+\\.\\-]+:"
                                      2⤵
                                        PID:1446
                                      • /usr/local/bin/grep
                                        grep -E -q "^[[:alpha:]+\\.\\-]+:"
                                        2⤵
                                          PID:1446
                                        • /usr/sbin/grep
                                          grep -E -q "^[[:alpha:]+\\.\\-]+:"
                                          2⤵
                                            PID:1446
                                          • /usr/bin/grep
                                            grep -E -q "^[[:alpha:]+\\.\\-]+:"
                                            2⤵
                                              PID:1446
                                            • /usr/bin/sed
                                              sed -n "s/\\(^[[:alnum:]+\\.-]*\\):.*\$/\\1/p"
                                              2⤵
                                              • Reads runtime system information
                                              PID:1450
                                            • /usr/bin/xdg-mime
                                              xdg-mime query default x-scheme-handler/https
                                              2⤵
                                                PID:1453
                                                • /usr/bin/dbus-send
                                                  dbus-send --print-reply "--dest=org.freedesktop.DBus" /org/freedesktop/DBus org.freedesktop.DBus.GetNameOwner string:org.gnome.SessionManager
                                                  3⤵
                                                  • Reads runtime system information
                                                  PID:1454
                                                  • /usr/bin/dbus-launch
                                                    dbus-launch --autolaunch 4816dd152e8c48ff97e9117d197c13d8 --binary-syntax --close-stderr
                                                    4⤵
                                                      PID:1455
                                                  • /usr/bin/grep
                                                    grep " = \\\"xfce4\\\"\$"
                                                    3⤵
                                                      PID:1461
                                                    • /usr/bin/xprop
                                                      xprop -root _DT_SAVE_MODE
                                                      3⤵
                                                        PID:1460
                                                      • /usr/bin/grep
                                                        grep -i "^xfce_desktop_window"
                                                        3⤵
                                                          PID:1463
                                                        • /usr/bin/xprop
                                                          xprop -root
                                                          3⤵
                                                            PID:1462
                                                          • /usr/bin/grep
                                                            grep -q "^Enlightenment"
                                                            3⤵
                                                              PID:1465
                                                            • /usr/bin/uname
                                                              uname
                                                              3⤵
                                                                PID:1466
                                                              • /usr/bin/sed
                                                                sed "s/:/ /g"
                                                                3⤵
                                                                • Reads runtime system information
                                                                PID:1469
                                                              • /usr/bin/cut
                                                                cut -d ";" -f 1
                                                                3⤵
                                                                  PID:1474
                                                                • /usr/bin/cut
                                                                  cut -d "=" -f 2
                                                                  3⤵
                                                                    PID:1473
                                                                  • /usr/bin/head
                                                                    head -n 1
                                                                    3⤵
                                                                      PID:1472
                                                                    • /usr/bin/grep
                                                                      grep "x-scheme-handler/https=" /.local/share/applications/defaults.list /.local/share/applications/mimeinfo.cache
                                                                      3⤵
                                                                        PID:1471
                                                                      • /usr/bin/cut
                                                                        cut -d ";" -f 1
                                                                        3⤵
                                                                          PID:1479
                                                                        • /usr/bin/cut
                                                                          cut -d "=" -f 2
                                                                          3⤵
                                                                            PID:1478
                                                                          • /usr/bin/head
                                                                            head -n 1
                                                                            3⤵
                                                                              PID:1477
                                                                            • /usr/bin/grep
                                                                              grep "x-scheme-handler/https=" /.local/share/applications/defaults.list /.local/share/applications/mimeinfo.cache
                                                                              3⤵
                                                                                PID:1476
                                                                              • /usr/bin/cut
                                                                                cut -d ";" -f 1
                                                                                3⤵
                                                                                  PID:1484
                                                                                • /usr/bin/cut
                                                                                  cut -d "=" -f 2
                                                                                  3⤵
                                                                                    PID:1483
                                                                                  • /usr/bin/head
                                                                                    head -n 1
                                                                                    3⤵
                                                                                      PID:1482
                                                                                    • /usr/bin/grep
                                                                                      grep "x-scheme-handler/https=" /usr/local/share//applications/defaults.list /usr/local/share//applications/mimeinfo.cache
                                                                                      3⤵
                                                                                        PID:1481
                                                                                      • /usr/bin/cut
                                                                                        cut -d ";" -f 1
                                                                                        3⤵
                                                                                          PID:1489
                                                                                        • /usr/bin/cut
                                                                                          cut -d "=" -f 2
                                                                                          3⤵
                                                                                            PID:1488
                                                                                          • /usr/bin/head
                                                                                            head -n 1
                                                                                            3⤵
                                                                                              PID:1487
                                                                                            • /usr/bin/grep
                                                                                              grep "x-scheme-handler/https=" /usr/local/share//applications/defaults.list /usr/local/share//applications/mimeinfo.cache
                                                                                              3⤵
                                                                                                PID:1486
                                                                                              • /usr/bin/cut
                                                                                                cut -d ";" -f 1
                                                                                                3⤵
                                                                                                  PID:1494
                                                                                                • /usr/bin/cut
                                                                                                  cut -d "=" -f 2
                                                                                                  3⤵
                                                                                                    PID:1493
                                                                                                  • /usr/bin/head
                                                                                                    head -n 1
                                                                                                    3⤵
                                                                                                      PID:1492
                                                                                                    • /usr/bin/grep
                                                                                                      grep "x-scheme-handler/https=" /usr/share//applications/defaults.list /usr/share//applications/mimeinfo.cache
                                                                                                      3⤵
                                                                                                        PID:1491
                                                                                                    • /usr/bin/sed
                                                                                                      sed "s/:/ /g"
                                                                                                      2⤵
                                                                                                        PID:1500
                                                                                                      • /usr/bin/sed
                                                                                                        sed -e "s|-|/|"
                                                                                                        2⤵
                                                                                                          PID:1503
                                                                                                        • /usr/bin/sed
                                                                                                          sed -e "s|-|/|"
                                                                                                          2⤵
                                                                                                            PID:1506
                                                                                                          • /usr/bin/cut
                                                                                                            cut "-d=" -f 2-
                                                                                                            2⤵
                                                                                                              PID:1511
                                                                                                            • /usr/bin/which
                                                                                                              which firefox
                                                                                                              2⤵
                                                                                                                PID:1512
                                                                                                              • /usr/bin/cut
                                                                                                                cut "-d=" -f 2-
                                                                                                                2⤵
                                                                                                                  PID:1515
                                                                                                                • /usr/bin/cut
                                                                                                                  cut "-d=" -f 2-
                                                                                                                  2⤵
                                                                                                                    PID:1518
                                                                                                                  • /usr/bin/cut
                                                                                                                    cut "-d=" -f 2-
                                                                                                                    2⤵
                                                                                                                      PID:1523
                                                                                                                    • /usr/bin/firefox
                                                                                                                      /usr/bin/firefox https://github.com/FlareSolverr/FlareSolverr
                                                                                                                      2⤵
                                                                                                                        PID:1524
                                                                                                                        • /usr/bin/which
                                                                                                                          which /usr/bin/firefox
                                                                                                                          3⤵
                                                                                                                            PID:1525
                                                                                                                        • /usr/lib/firefox/firefox
                                                                                                                          /usr/lib/firefox/firefox https://github.com/FlareSolverr/FlareSolverr
                                                                                                                          2⤵
                                                                                                                          • Checks CPU configuration
                                                                                                                          • Reads CPU attributes
                                                                                                                          • Enumerates kernel/hardware configuration
                                                                                                                          • Reads runtime system information
                                                                                                                          • Writes file to tmp directory
                                                                                                                          PID:1524
                                                                                                                          • /usr/local/sbin/dbus-launch
                                                                                                                            dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                            3⤵
                                                                                                                              PID:1529
                                                                                                                            • /usr/local/bin/dbus-launch
                                                                                                                              dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                              3⤵
                                                                                                                                PID:1529
                                                                                                                              • /usr/sbin/dbus-launch
                                                                                                                                dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                3⤵
                                                                                                                                  PID:1529
                                                                                                                                • /usr/bin/dbus-launch
                                                                                                                                  dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                  3⤵
                                                                                                                                    PID:1529
                                                                                                                                  • /usr/lib/firefox/glxtest
                                                                                                                                    /usr/lib/firefox/glxtest -f 13
                                                                                                                                    3⤵
                                                                                                                                    • Enumerates kernel/hardware configuration
                                                                                                                                    PID:1532
                                                                                                                                  • /usr/bin/lsb_release
                                                                                                                                    /usr/bin/lsb_release -idrc
                                                                                                                                    3⤵
                                                                                                                                      PID:1544
                                                                                                                                    • /usr/local/sbin/dbus-launch
                                                                                                                                      dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                      3⤵
                                                                                                                                        PID:1554
                                                                                                                                      • /usr/local/bin/dbus-launch
                                                                                                                                        dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                        3⤵
                                                                                                                                          PID:1554
                                                                                                                                        • /usr/sbin/dbus-launch
                                                                                                                                          dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                          3⤵
                                                                                                                                            PID:1554
                                                                                                                                          • /usr/bin/dbus-launch
                                                                                                                                            dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                            3⤵
                                                                                                                                              PID:1554
                                                                                                                                            • /usr/lib/firefox/firefox
                                                                                                                                              /usr/lib/firefox/firefox -contentproc -parentBuildID 20240108143603 -prefsLen 20982 -prefMapSize 234904 -appDir /usr/lib/firefox/browser "{0267e345-3411-4d38-9fea-ec827c2a75ea}" 1524 true socket
                                                                                                                                              3⤵
                                                                                                                                              • Reads CPU attributes
                                                                                                                                              • Enumerates kernel/hardware configuration
                                                                                                                                              • Reads runtime system information
                                                                                                                                              PID:1566
                                                                                                                                            • /usr/lib/firefox/firefox
                                                                                                                                              /usr/lib/firefox/firefox -contentproc -childID 1 -isForBrowser -prefsLen 20185 -prefMapSize 234904 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{1eb19cde-6322-4a26-a025-60b19aa1f0c4}" 1524 true tab
                                                                                                                                              3⤵
                                                                                                                                              • Reads CPU attributes
                                                                                                                                              • Reads runtime system information
                                                                                                                                              PID:1639
                                                                                                                                            • /usr/lib/firefox/firefox
                                                                                                                                              /usr/lib/firefox/firefox -contentproc -childID 2 -isForBrowser -prefsLen 28753 -prefMapSize 234904 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{76ef552f-520d-4008-9897-6f215b811bc9}" 1524 true tab
                                                                                                                                              3⤵
                                                                                                                                              • Reads CPU attributes
                                                                                                                                              • Enumerates kernel/hardware configuration
                                                                                                                                              • Reads runtime system information
                                                                                                                                              PID:1691
                                                                                                                                            • /usr/lib/firefox/firefox
                                                                                                                                              /usr/lib/firefox/firefox -contentproc -parentBuildID 20240108143603 -sandboxingKind 0 -prefsLen 29431 -prefMapSize 234904 -appDir /usr/lib/firefox/browser "{eaa62361-503d-47e9-8ca6-76ea14d628bd}" 1524 true utility
                                                                                                                                              3⤵
                                                                                                                                              • Reads CPU attributes
                                                                                                                                              • Enumerates kernel/hardware configuration
                                                                                                                                              PID:1720
                                                                                                                                            • /usr/lib/firefox/firefox
                                                                                                                                              /usr/lib/firefox/firefox -contentproc -childID 3 -isForBrowser -prefsLen 25649 -prefMapSize 234904 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{b9611711-4107-4461-b472-a00d4967ac65}" 1524 true tab
                                                                                                                                              3⤵
                                                                                                                                              • Reads CPU attributes
                                                                                                                                              • Enumerates kernel/hardware configuration
                                                                                                                                              • Reads runtime system information
                                                                                                                                              PID:1725
                                                                                                                                            • /usr/lib/firefox/firefox
                                                                                                                                              /usr/lib/firefox/firefox -contentproc -childID 4 -isForBrowser -prefsLen 25649 -prefMapSize 234904 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{c4779c05-d1e5-4e1f-9ba8-7d6cbca6f8a6}" 1524 true tab
                                                                                                                                              3⤵
                                                                                                                                              • Reads CPU attributes
                                                                                                                                              • Enumerates kernel/hardware configuration
                                                                                                                                              • Reads runtime system information
                                                                                                                                              PID:1730
                                                                                                                                            • /usr/lib/firefox/firefox
                                                                                                                                              /usr/lib/firefox/firefox -contentproc -childID 5 -isForBrowser -prefsLen 25792 -prefMapSize 234904 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{8555346a-f820-4da7-b939-d0a56be39e53}" 1524 true tab
                                                                                                                                              3⤵
                                                                                                                                              • Reads CPU attributes
                                                                                                                                              • Enumerates kernel/hardware configuration
                                                                                                                                              PID:1757
                                                                                                                                        • /usr/libexec/gvfsd-fuse
                                                                                                                                          /usr/libexec/gvfsd-fuse /root/.cache/gvfs -f -o big_writes
                                                                                                                                          1⤵
                                                                                                                                          • Reads runtime system information
                                                                                                                                          PID:1598

                                                                                                                                        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

                                                                                                                                        • /tmp/tmpaddon
                                                                                                                                          Filesize

                                                                                                                                          569KB

                                                                                                                                          MD5

                                                                                                                                          30082ae40dc48af6343db2fd22cfc645

                                                                                                                                          SHA1

                                                                                                                                          3eb577555ee638e8beb01173e8f29e172747a728

                                                                                                                                          SHA256

                                                                                                                                          85d4b95f9b2075daee9b0e64bce8d9d7343d0dda10e6072d7f9485a68472ee76

                                                                                                                                          SHA512

                                                                                                                                          53a58bfb4c8124ad4f7655b99bfdea290033a085e0796b19245b33b91c0948fdac9f0c3e817130b352493a65d9a7a0fc8a7c1eedc618cdaa2b4580734a11cd9c