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
    598s
  • max time network
    480s
  • 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 10:42

General

  • Target

    https://github.com/FlareSolverr/FlareSolverr

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 8 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:1422
      • /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:1423
          • /usr/bin/dbus-launch
            dbus-launch --autolaunch 4816dd152e8c48ff97e9117d197c13d8 --binary-syntax --close-stderr
            3⤵
              PID:1424
              • /usr/bin/dbus-daemon
                /usr/bin/dbus-daemon --syslog-only --fork --print-pid 5 --print-address 7 --session
                4⤵
                • Reads runtime system information
                PID:1426
                • /usr/libexec/xdg-desktop-portal
                  /usr/libexec/xdg-desktop-portal
                  5⤵
                  • Reads runtime system information
                  PID:1554
                • /usr/libexec/xdg-document-portal
                  /usr/libexec/xdg-document-portal
                  5⤵
                    PID:1560
                  • /usr/libexec/xdg-permission-store
                    /usr/libexec/xdg-permission-store
                    5⤵
                    • Reads runtime system information
                    PID:1565
                  • /usr/libexec/xdg-desktop-portal-gtk
                    /usr/libexec/xdg-desktop-portal-gtk
                    5⤵
                    • Reads runtime system information
                    PID:1575
                  • /usr/libexec/gvfsd
                    /usr/libexec/gvfsd
                    5⤵
                      PID:1579
                      • /usr/libexec/gvfsd-trash
                        /usr/libexec/gvfsd-trash --spawner :1.8 /org/gtk/gvfs/exec_spaw/0
                        6⤵
                        • Reads runtime system information
                        PID:1612
                    • /usr/libexec/dconf-service
                      /usr/libexec/dconf-service
                      5⤵
                        PID:1603
                      • /usr/bin/nautilus
                        /usr/bin/nautilus --gapplication-service
                        5⤵
                        • Reads CPU attributes
                        PID:1609
                      • /usr/bin/gnome-keyring-daemon
                        /usr/bin/gnome-keyring-daemon --start --foreground "--components=secrets"
                        5⤵
                        • Reads runtime system information
                        PID:1763
                      • /usr/libexec/gvfs-udisks2-volume-monitor
                        /usr/libexec/gvfs-udisks2-volume-monitor
                        5⤵
                        • Reads runtime system information
                        PID:1771
                      • /usr/libexec/gvfs-afc-volume-monitor
                        /usr/libexec/gvfs-afc-volume-monitor
                        5⤵
                          PID:1777
                        • /usr/libexec/gvfs-mtp-volume-monitor
                          /usr/libexec/gvfs-mtp-volume-monitor
                          5⤵
                          • Enumerates kernel/hardware configuration
                          • Reads runtime system information
                          PID:1783
                        • /usr/libexec/gvfs-gphoto2-volume-monitor
                          /usr/libexec/gvfs-gphoto2-volume-monitor
                          5⤵
                          • Enumerates kernel/hardware configuration
                          • Reads runtime system information
                          PID:1788
                        • /usr/libexec/gvfs-goa-volume-monitor
                          /usr/libexec/gvfs-goa-volume-monitor
                          5⤵
                          • Reads runtime system information
                          PID:1793
                        • /usr/libexec/goa-daemon
                          /usr/libexec/goa-daemon
                          5⤵
                          • Reads runtime system information
                          PID:1799
                        • /usr/libexec/goa-identity-service
                          /usr/libexec/goa-identity-service
                          5⤵
                          • Reads runtime system information
                          PID:1806
                  • /usr/bin/grep
                    grep " = \\\"xfce4\\\"\$"
                    2⤵
                      PID:1430
                    • /usr/bin/xprop
                      xprop -root _DT_SAVE_MODE
                      2⤵
                        PID:1429
                      • /usr/bin/grep
                        grep -i "^xfce_desktop_window"
                        2⤵
                          PID:1432
                        • /usr/bin/xprop
                          xprop -root
                          2⤵
                            PID:1431
                          • /usr/bin/grep
                            grep -q "^Enlightenment"
                            2⤵
                              PID:1434
                            • /usr/bin/uname
                              uname
                              2⤵
                                PID:1435
                              • /usr/bin/grep
                                grep -q "^file://"
                                2⤵
                                  PID:1437
                                • /usr/bin/egrep
                                  egrep -q "^[[:alpha:]+\\.\\-]+:"
                                  2⤵
                                    PID:1439
                                  • /usr/local/sbin/grep
                                    grep -E -q "^[[:alpha:]+\\.\\-]+:"
                                    2⤵
                                      PID:1439
                                    • /usr/local/bin/grep
                                      grep -E -q "^[[:alpha:]+\\.\\-]+:"
                                      2⤵
                                        PID:1439
                                      • /usr/sbin/grep
                                        grep -E -q "^[[:alpha:]+\\.\\-]+:"
                                        2⤵
                                          PID:1439
                                        • /usr/bin/grep
                                          grep -E -q "^[[:alpha:]+\\.\\-]+:"
                                          2⤵
                                            PID:1439
                                          • /usr/bin/sed
                                            sed -n "s/\\(^[[:alnum:]+\\.-]*\\):.*\$/\\1/p"
                                            2⤵
                                              PID:1442
                                            • /usr/bin/xdg-mime
                                              xdg-mime query default x-scheme-handler/https
                                              2⤵
                                                PID:1443
                                                • /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:1444
                                                  • /usr/bin/dbus-launch
                                                    dbus-launch --autolaunch 4816dd152e8c48ff97e9117d197c13d8 --binary-syntax --close-stderr
                                                    4⤵
                                                      PID:1445
                                                  • /usr/bin/grep
                                                    grep " = \\\"xfce4\\\"\$"
                                                    3⤵
                                                      PID:1447
                                                    • /usr/bin/xprop
                                                      xprop -root _DT_SAVE_MODE
                                                      3⤵
                                                        PID:1446
                                                      • /usr/bin/grep
                                                        grep -i "^xfce_desktop_window"
                                                        3⤵
                                                          PID:1449
                                                        • /usr/bin/xprop
                                                          xprop -root
                                                          3⤵
                                                            PID:1448
                                                          • /usr/bin/grep
                                                            grep -q "^Enlightenment"
                                                            3⤵
                                                              PID:1451
                                                            • /usr/bin/uname
                                                              uname
                                                              3⤵
                                                                PID:1452
                                                              • /usr/bin/sed
                                                                sed "s/:/ /g"
                                                                3⤵
                                                                • Reads runtime system information
                                                                PID:1455
                                                              • /usr/bin/cut
                                                                cut -d ";" -f 1
                                                                3⤵
                                                                  PID:1460
                                                                • /usr/bin/cut
                                                                  cut -d "=" -f 2
                                                                  3⤵
                                                                    PID:1459
                                                                  • /usr/bin/head
                                                                    head -n 1
                                                                    3⤵
                                                                      PID:1458
                                                                    • /usr/bin/grep
                                                                      grep "x-scheme-handler/https=" /.local/share/applications/defaults.list /.local/share/applications/mimeinfo.cache
                                                                      3⤵
                                                                        PID:1457
                                                                      • /usr/bin/cut
                                                                        cut -d ";" -f 1
                                                                        3⤵
                                                                          PID:1465
                                                                        • /usr/bin/cut
                                                                          cut -d "=" -f 2
                                                                          3⤵
                                                                            PID:1464
                                                                          • /usr/bin/head
                                                                            head -n 1
                                                                            3⤵
                                                                              PID:1463
                                                                            • /usr/bin/grep
                                                                              grep "x-scheme-handler/https=" /.local/share/applications/defaults.list /.local/share/applications/mimeinfo.cache
                                                                              3⤵
                                                                                PID:1462
                                                                              • /usr/bin/cut
                                                                                cut -d ";" -f 1
                                                                                3⤵
                                                                                  PID:1470
                                                                                • /usr/bin/cut
                                                                                  cut -d "=" -f 2
                                                                                  3⤵
                                                                                    PID:1469
                                                                                  • /usr/bin/head
                                                                                    head -n 1
                                                                                    3⤵
                                                                                      PID:1468
                                                                                    • /usr/bin/grep
                                                                                      grep "x-scheme-handler/https=" /usr/local/share//applications/defaults.list /usr/local/share//applications/mimeinfo.cache
                                                                                      3⤵
                                                                                        PID:1467
                                                                                      • /usr/bin/cut
                                                                                        cut -d ";" -f 1
                                                                                        3⤵
                                                                                          PID:1475
                                                                                        • /usr/bin/cut
                                                                                          cut -d "=" -f 2
                                                                                          3⤵
                                                                                            PID:1474
                                                                                          • /usr/bin/head
                                                                                            head -n 1
                                                                                            3⤵
                                                                                              PID:1473
                                                                                            • /usr/bin/grep
                                                                                              grep "x-scheme-handler/https=" /usr/local/share//applications/defaults.list /usr/local/share//applications/mimeinfo.cache
                                                                                              3⤵
                                                                                                PID:1472
                                                                                              • /usr/bin/cut
                                                                                                cut -d ";" -f 1
                                                                                                3⤵
                                                                                                  PID:1480
                                                                                                • /usr/bin/cut
                                                                                                  cut -d "=" -f 2
                                                                                                  3⤵
                                                                                                    PID:1479
                                                                                                  • /usr/bin/head
                                                                                                    head -n 1
                                                                                                    3⤵
                                                                                                      PID:1478
                                                                                                    • /usr/bin/grep
                                                                                                      grep "x-scheme-handler/https=" /usr/share//applications/defaults.list /usr/share//applications/mimeinfo.cache
                                                                                                      3⤵
                                                                                                        PID:1477
                                                                                                    • /usr/bin/sed
                                                                                                      sed "s/:/ /g"
                                                                                                      2⤵
                                                                                                      • Reads runtime system information
                                                                                                      PID:1483
                                                                                                    • /usr/bin/sed
                                                                                                      sed -e "s|-|/|"
                                                                                                      2⤵
                                                                                                        PID:1486
                                                                                                      • /usr/bin/sed
                                                                                                        sed -e "s|-|/|"
                                                                                                        2⤵
                                                                                                          PID:1489
                                                                                                        • /usr/bin/cut
                                                                                                          cut "-d=" -f 2-
                                                                                                          2⤵
                                                                                                            PID:1494
                                                                                                          • /usr/bin/which
                                                                                                            which firefox
                                                                                                            2⤵
                                                                                                              PID:1495
                                                                                                            • /usr/bin/cut
                                                                                                              cut "-d=" -f 2-
                                                                                                              2⤵
                                                                                                                PID:1498
                                                                                                              • /usr/bin/cut
                                                                                                                cut "-d=" -f 2-
                                                                                                                2⤵
                                                                                                                  PID:1501
                                                                                                                • /usr/bin/cut
                                                                                                                  cut "-d=" -f 2-
                                                                                                                  2⤵
                                                                                                                    PID:1506
                                                                                                                  • /usr/bin/firefox
                                                                                                                    /usr/bin/firefox https://github.com/FlareSolverr/FlareSolverr
                                                                                                                    2⤵
                                                                                                                      PID:1507
                                                                                                                      • /usr/bin/which
                                                                                                                        which /usr/bin/firefox
                                                                                                                        3⤵
                                                                                                                          PID:1508
                                                                                                                      • /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:1507
                                                                                                                        • /usr/local/sbin/dbus-launch
                                                                                                                          dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                          3⤵
                                                                                                                            PID:1515
                                                                                                                          • /usr/local/bin/dbus-launch
                                                                                                                            dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                            3⤵
                                                                                                                              PID:1515
                                                                                                                            • /usr/sbin/dbus-launch
                                                                                                                              dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                              3⤵
                                                                                                                                PID:1515
                                                                                                                              • /usr/bin/dbus-launch
                                                                                                                                dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                3⤵
                                                                                                                                  PID:1515
                                                                                                                                • /usr/lib/firefox/glxtest
                                                                                                                                  /usr/lib/firefox/glxtest -f 13
                                                                                                                                  3⤵
                                                                                                                                  • Enumerates kernel/hardware configuration
                                                                                                                                  PID:1518
                                                                                                                                • /usr/bin/lsb_release
                                                                                                                                  /usr/bin/lsb_release -idrc
                                                                                                                                  3⤵
                                                                                                                                    PID:1530
                                                                                                                                  • /usr/local/sbin/dbus-launch
                                                                                                                                    dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                    3⤵
                                                                                                                                      PID:1540
                                                                                                                                    • /usr/local/bin/dbus-launch
                                                                                                                                      dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                      3⤵
                                                                                                                                        PID:1540
                                                                                                                                      • /usr/sbin/dbus-launch
                                                                                                                                        dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                        3⤵
                                                                                                                                          PID:1540
                                                                                                                                        • /usr/bin/dbus-launch
                                                                                                                                          dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                                                                                          3⤵
                                                                                                                                            PID:1540
                                                                                                                                          • /usr/lib/firefox/firefox
                                                                                                                                            /usr/lib/firefox/firefox -contentproc -parentBuildID 20240108143603 -prefsLen 20982 -prefMapSize 234904 -appDir /usr/lib/firefox/browser "{d202d04f-cfee-4ccc-a28d-0ee3ed7994c5}" 1507 true socket
                                                                                                                                            3⤵
                                                                                                                                            • Reads CPU attributes
                                                                                                                                            • Reads runtime system information
                                                                                                                                            PID:1552
                                                                                                                                          • /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 "{895db880-5d5d-49d3-9202-bd3077eb5ee0}" 1507 true tab
                                                                                                                                            3⤵
                                                                                                                                            • Reads CPU attributes
                                                                                                                                            • Enumerates kernel/hardware configuration
                                                                                                                                            • Reads runtime system information
                                                                                                                                            PID:1625
                                                                                                                                          • /usr/lib/firefox/firefox
                                                                                                                                            /usr/lib/firefox/firefox -contentproc -childID 2 -isForBrowser -prefsLen 28842 -prefMapSize 234904 -jsInitLen 229864 -parentBuildID 20240108143603 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appDir /usr/lib/firefox/browser "{1ed6fc77-c2a4-45af-9d04-344f92e05c02}" 1507 true tab
                                                                                                                                            3⤵
                                                                                                                                            • Reads CPU attributes
                                                                                                                                            • Enumerates kernel/hardware configuration
                                                                                                                                            • Reads runtime system information
                                                                                                                                            PID:1673
                                                                                                                                          • /usr/lib/firefox/firefox
                                                                                                                                            /usr/lib/firefox/firefox -contentproc -parentBuildID 20240108143603 -sandboxingKind 0 -prefsLen 29439 -prefMapSize 234904 -appDir /usr/lib/firefox/browser "{b3d6100b-1bf2-4f99-9679-0a524409b1b2}" 1507 true utility
                                                                                                                                            3⤵
                                                                                                                                            • Reads CPU attributes
                                                                                                                                            • Enumerates kernel/hardware configuration
                                                                                                                                            • Reads runtime system information
                                                                                                                                            PID:1705
                                                                                                                                          • /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 "{3ba7d0bd-1394-4761-8399-976c7940dcff}" 1507 true tab
                                                                                                                                            3⤵
                                                                                                                                            • Reads CPU attributes
                                                                                                                                            • Enumerates kernel/hardware configuration
                                                                                                                                            • Reads runtime system information
                                                                                                                                            PID:1711
                                                                                                                                          • /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 "{a8ca16c2-f2bf-4fee-831b-417edfe51ba1}" 1507 true tab
                                                                                                                                            3⤵
                                                                                                                                            • Reads CPU attributes
                                                                                                                                            • Reads runtime system information
                                                                                                                                            PID:1713
                                                                                                                                          • /usr/lib/firefox/firefox
                                                                                                                                            /usr/lib/firefox/firefox -contentproc -childID 5 -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 "{bac10224-f6c8-48eb-bd47-fcfbe1eff19c}" 1507 true tab
                                                                                                                                            3⤵
                                                                                                                                            • Reads CPU attributes
                                                                                                                                            • Enumerates kernel/hardware configuration
                                                                                                                                            • Reads runtime system information
                                                                                                                                            PID:1742
                                                                                                                                      • /usr/libexec/gvfsd-fuse
                                                                                                                                        /usr/libexec/gvfsd-fuse /root/.cache/gvfs -f -o big_writes
                                                                                                                                        1⤵
                                                                                                                                        • Reads runtime system information
                                                                                                                                        PID:1584

                                                                                                                                      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