Resubmissions

23/04/2024, 17:30

240423-v3jdwaac748

23/04/2024, 06:17

240423-g11ngseb5v8

21/04/2024, 20:27

240421-y8nsbsbc9w8

21/04/2024, 20:20

240421-y4swgsba248

08/04/2024, 20:45

240408-zj49fseg5y8

05/04/2024, 18:10

240405-wsd7vaaf8v8

05/04/2024, 18:10

240405-wr4fcabc258

05/04/2024, 18:09

240405-wrkcgaaf6s8

05/04/2024, 18:08

240405-wrcydsbb888

05/04/2024, 17:10

240405-vp2cjaab768

Analysis

  • max time kernel
    20s
  • max time network
    25s
  • platform
    ubuntu-20.04_amd64
  • resource
    ubuntu2004-amd64-20240221-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2004-amd64-20240221-enkernel:5.4.0-169-genericlocale:en-usos:ubuntu-20.04-amd64system
  • submitted
    05/04/2024, 17:07

General

  • Target
    https://webshell.suite.office.com/iframe/TokenFactoryIframe?origin=https://outlook.office365.com&shsid=7720b54e-811e-4120-ae65-d26ac16ca6d5&apiver=oneshell&cshver=1.20240208.12.0&[email protected]
  • Sample240405-vm1yzsab44
Score
7/10

Malware Config

Signatures

  • Changes its process name 40 IoCs
  • Reads user data of web browsers 13 IoCs

    Reads stored browser data which can include saved credentials.

  • Reads CPU attributes 1 TTPs 1 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 54 IoCs

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

  • Reads runtime system information 35 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /usr/bin/xdg-open
    xdg-open "https://webshell.suite.office.com/iframe/TokenFactoryIframe?origin=https://outlook.office365.com&shsid=7720b54e-811e-4120-ae65-d26ac16ca6d5&apiver=oneshell&cshver=1.20240208.12.0&[email protected]"
    1⤵
      PID:1483
      • /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:1486
          • /usr/bin/dbus-launch
            dbus-launch --autolaunch 4816dd152e8c48ff97e9117d197c13d8 --binary-syntax --close-stderr
            3⤵
              PID:1488
          • /usr/bin/grep
            grep " = \\\"xfce4\\\"\$"
            2⤵
              PID:1497
            • /usr/bin/xprop
              xprop -root _DT_SAVE_MODE
              2⤵
                PID:1496
              • /usr/bin/grep
                grep -i "^xfce_desktop_window"
                2⤵
                  PID:1503
                • /usr/bin/xprop
                  xprop -root
                  2⤵
                    PID:1501
                  • /usr/bin/grep
                    grep -q "^Enlightenment"
                    2⤵
                      PID:1508
                    • /usr/bin/uname
                      uname
                      2⤵
                        PID:1509
                      • /usr/bin/grep
                        grep -q "^file://"
                        2⤵
                          PID:1511
                        • /usr/bin/egrep
                          egrep -q "^[[:alpha:]+\\.\\-]+:"
                          2⤵
                            PID:1513
                          • /usr/local/sbin/grep
                            grep -E -q "^[[:alpha:]+\\.\\-]+:"
                            2⤵
                              PID:1513
                            • /usr/local/bin/grep
                              grep -E -q "^[[:alpha:]+\\.\\-]+:"
                              2⤵
                                PID:1513
                              • /usr/sbin/grep
                                grep -E -q "^[[:alpha:]+\\.\\-]+:"
                                2⤵
                                  PID:1513
                                • /usr/bin/grep
                                  grep -E -q "^[[:alpha:]+\\.\\-]+:"
                                  2⤵
                                    PID:1513
                                  • /usr/bin/xdg-mime
                                    xdg-mime query default x-scheme-handler/https
                                    2⤵
                                      PID:1517
                                      • /usr/bin/dbus-send
                                        dbus-send --print-reply "--dest=org.freedesktop.DBus" /org/freedesktop/DBus org.freedesktop.DBus.GetNameOwner string:org.gnome.SessionManager
                                        3⤵
                                          PID:1518
                                          • /usr/bin/dbus-launch
                                            dbus-launch --autolaunch 4816dd152e8c48ff97e9117d197c13d8 --binary-syntax --close-stderr
                                            4⤵
                                              PID:1519
                                          • /usr/bin/grep
                                            grep " = \\\"xfce4\\\"\$"
                                            3⤵
                                              PID:1521
                                            • /usr/bin/xprop
                                              xprop -root _DT_SAVE_MODE
                                              3⤵
                                                PID:1520
                                              • /usr/bin/grep
                                                grep -i "^xfce_desktop_window"
                                                3⤵
                                                  PID:1523
                                                • /usr/bin/xprop
                                                  xprop -root
                                                  3⤵
                                                    PID:1522
                                                  • /usr/bin/grep
                                                    grep -q "^Enlightenment"
                                                    3⤵
                                                      PID:1525
                                                    • /usr/bin/uname
                                                      uname
                                                      3⤵
                                                        PID:1526
                                                    • /usr/bin/which
                                                      which firefox
                                                      2⤵
                                                        PID:1569
                                                      • /usr/bin/firefox
                                                        /usr/bin/firefox "https://webshell.suite.office.com/iframe/TokenFactoryIframe?origin=https://outlook.office365.com&shsid=7720b54e-811e-4120-ae65-d26ac16ca6d5&apiver=oneshell&cshver=1.20240208.12.0&[email protected]"
                                                        2⤵
                                                          PID:1581
                                                          • /usr/bin/which
                                                            which /usr/bin/firefox
                                                            3⤵
                                                              PID:1582
                                                          • /usr/lib/firefox/firefox
                                                            /usr/lib/firefox/firefox "https://webshell.suite.office.com/iframe/TokenFactoryIframe?origin=https://outlook.office365.com&shsid=7720b54e-811e-4120-ae65-d26ac16ca6d5&apiver=oneshell&cshver=1.20240208.12.0&[email protected]"
                                                            2⤵
                                                            • Reads user data of web browsers
                                                            • Reads CPU attributes
                                                            • Enumerates kernel/hardware configuration
                                                            • Reads runtime system information
                                                            • Writes file to tmp directory
                                                            PID:1581
                                                            • /usr/local/sbin/dbus-launch
                                                              dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                              3⤵
                                                                PID:1814
                                                              • /usr/local/bin/dbus-launch
                                                                dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                3⤵
                                                                  PID:1814
                                                                • /usr/sbin/dbus-launch
                                                                  dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                  3⤵
                                                                    PID:1814
                                                                  • /usr/bin/dbus-launch
                                                                    dbus-launch "--autolaunch=4816dd152e8c48ff97e9117d197c13d8" --binary-syntax --close-stderr
                                                                    3⤵
                                                                      PID:1814
                                                                    • /usr/lib/firefox/glxtest
                                                                      /usr/lib/firefox/glxtest -f 13
                                                                      3⤵
                                                                      • Enumerates kernel/hardware configuration
                                                                      • Reads runtime system information
                                                                      PID:1832
                                                                • /usr/bin/dbus-daemon
                                                                  /usr/bin/dbus-daemon --syslog-only --fork --print-pid 5 --print-address 7 --session
                                                                  1⤵
                                                                  • Enumerates kernel/hardware configuration
                                                                  • Reads runtime system information
                                                                  PID:1490
                                                                • /usr/bin/sed
                                                                  sed -n "s/\\(^[[:alnum:]+\\.-]*\\):.*\$/\\1/p"
                                                                  1⤵
                                                                  • Reads runtime system information
                                                                  PID:1516
                                                                • /usr/bin/sed
                                                                  sed "s/:/ /g"
                                                                  1⤵
                                                                  • Reads runtime system information
                                                                  PID:1529
                                                                • /usr/bin/head
                                                                  head -n 1
                                                                  1⤵
                                                                    PID:1532
                                                                  • /usr/bin/cut
                                                                    cut -d ";" -f 1
                                                                    1⤵
                                                                      PID:1534
                                                                    • /usr/bin/cut
                                                                      cut -d "=" -f 2
                                                                      1⤵
                                                                        PID:1533
                                                                      • /usr/bin/grep
                                                                        grep "x-scheme-handler/https=" /.local/share/applications/defaults.list /.local/share/applications/mimeinfo.cache
                                                                        1⤵
                                                                          PID:1531
                                                                        • /usr/bin/cut
                                                                          cut -d ";" -f 1
                                                                          1⤵
                                                                            PID:1539
                                                                          • /usr/bin/cut
                                                                            cut -d "=" -f 2
                                                                            1⤵
                                                                              PID:1538
                                                                            • /usr/bin/head
                                                                              head -n 1
                                                                              1⤵
                                                                                PID:1537
                                                                              • /usr/bin/grep
                                                                                grep "x-scheme-handler/https=" /.local/share/applications/defaults.list /.local/share/applications/mimeinfo.cache
                                                                                1⤵
                                                                                  PID:1536
                                                                                • /usr/bin/cut
                                                                                  cut -d ";" -f 1
                                                                                  1⤵
                                                                                    PID:1544
                                                                                  • /usr/bin/cut
                                                                                    cut -d "=" -f 2
                                                                                    1⤵
                                                                                      PID:1543
                                                                                    • /usr/bin/head
                                                                                      head -n 1
                                                                                      1⤵
                                                                                        PID:1542
                                                                                      • /usr/bin/grep
                                                                                        grep "x-scheme-handler/https=" /usr/local/share//applications/defaults.list /usr/local/share//applications/mimeinfo.cache
                                                                                        1⤵
                                                                                          PID:1541
                                                                                        • /usr/bin/cut
                                                                                          cut -d ";" -f 1
                                                                                          1⤵
                                                                                            PID:1549
                                                                                          • /usr/bin/cut
                                                                                            cut -d "=" -f 2
                                                                                            1⤵
                                                                                              PID:1548
                                                                                            • /usr/bin/head
                                                                                              head -n 1
                                                                                              1⤵
                                                                                                PID:1547
                                                                                              • /usr/bin/grep
                                                                                                grep "x-scheme-handler/https=" /usr/local/share//applications/defaults.list /usr/local/share//applications/mimeinfo.cache
                                                                                                1⤵
                                                                                                  PID:1546
                                                                                                • /usr/bin/cut
                                                                                                  cut -d ";" -f 1
                                                                                                  1⤵
                                                                                                    PID:1554
                                                                                                  • /usr/bin/cut
                                                                                                    cut -d "=" -f 2
                                                                                                    1⤵
                                                                                                      PID:1553
                                                                                                    • /usr/bin/head
                                                                                                      head -n 1
                                                                                                      1⤵
                                                                                                        PID:1552
                                                                                                      • /usr/bin/grep
                                                                                                        grep "x-scheme-handler/https=" /usr/share//applications/defaults.list /usr/share//applications/mimeinfo.cache
                                                                                                        1⤵
                                                                                                          PID:1551
                                                                                                        • /usr/bin/sed
                                                                                                          sed "s/:/ /g"
                                                                                                          1⤵
                                                                                                          • Reads runtime system information
                                                                                                          PID:1557
                                                                                                        • /usr/bin/sed
                                                                                                          sed -e "s|-|/|"
                                                                                                          1⤵
                                                                                                          • Reads runtime system information
                                                                                                          PID:1560
                                                                                                        • /usr/bin/sed
                                                                                                          sed -e "s|-|/|"
                                                                                                          1⤵
                                                                                                          • Reads runtime system information
                                                                                                          PID:1563
                                                                                                        • /usr/bin/cut
                                                                                                          cut "-d=" -f 2-
                                                                                                          1⤵
                                                                                                            PID:1568
                                                                                                          • /usr/bin/cut
                                                                                                            cut "-d=" -f 2-
                                                                                                            1⤵
                                                                                                              PID:1572
                                                                                                            • /usr/bin/cut
                                                                                                              cut "-d=" -f 2-
                                                                                                              1⤵
                                                                                                                PID:1575
                                                                                                              • /usr/bin/cut
                                                                                                                cut "-d=" -f 2-
                                                                                                                1⤵
                                                                                                                  PID:1580
                                                                                                                • /usr/bin/lsb_release
                                                                                                                  /usr/bin/lsb_release -idrc
                                                                                                                  1⤵
                                                                                                                    PID:2000

                                                                                                                  Network

                                                                                                                        MITRE ATT&CK Enterprise v15

                                                                                                                        Replay Monitor

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                                                                                                                        Downloads

                                                                                                                        4816dd152e8c48ff97e9117d197c13d8-0

                                                                                                                        • Path /root/.dbus/session-bus/4816dd152e8c48ff97e9117d197c13d8-0
                                                                                                                        • Size 466B
                                                                                                                        • SHA256 8bed64131696a74a1090bc9a5104a81574a3129eb01debc547117c85fa212840
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        InstallTime20240108143603

                                                                                                                        • Path /root/.mozilla/firefox/Crash Reports/InstallTime20240108143603
                                                                                                                        • Size 10B
                                                                                                                        • SHA256 b1e4bae49c5510559b2e0044ca27388410f10296f9b34e761cb282ab701bffed
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        compatibility.ini

                                                                                                                        • Path /root/.mozilla/firefox/dgez41eg.default-release/compatibility.ini
                                                                                                                        • Size 163B
                                                                                                                        • SHA256 b4bf5c8334f6db20ae94105141ae7a721342ddccd94ec65289dc291e76a31814
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        cookies.sqlite

                                                                                                                        • Path /root/.mozilla/firefox/dgez41eg.default-release/cookies.sqlite
                                                                                                                        • Size 32KB
                                                                                                                        • SHA256 c8a9907517b566e9d0c2bbc7568c227f3f0a119cd487eadb08390a5ae440bce5
                                                                                                                        • MD5 SHA1 SHA512 SSDEEP

                                                                                                                        prefs-1.js

                                                                                                                        • Path /root/.mozilla/firefox/dgez41eg.default-release/prefs-1.js
                                                                                                                        • Size 1KB
                                                                                                                        • SHA256 12fd9dac45cfc4ce8a5cb997c41b6d410118311789552748e43143af889fd654
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        prefs.js

                                                                                                                        • Path /root/.mozilla/firefox/dgez41eg.default-release/prefs.js
                                                                                                                        • Size 656B
                                                                                                                        • SHA256 e1ddb5045ec6fe75f49e0d3fe787eceab8ec3d934dd50825a2cc8546ad532e0f
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        times.json

                                                                                                                        • Path /root/.mozilla/firefox/dgez41eg.default-release/times.json
                                                                                                                        • Size 47B
                                                                                                                        • SHA256 3ab06ceb7c9287bf4dee8f7cd9c747e23022483a92fb45d897b132321002beae
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        times.json

                                                                                                                        • Path /root/.mozilla/firefox/hrvxqjxc.default/times.json
                                                                                                                        • Size 47B
                                                                                                                        • SHA256 8eb5885fd038023006fce4aba731f804aa6ed990a480660f735e48d46217d0b0
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        installs.ini

                                                                                                                        • Path /root/.mozilla/firefox/installs.ini
                                                                                                                        • Size 62B
                                                                                                                        • SHA256 50dbac3700353cc9d1e8999a46cec634c019c510e94c8359454e47dea21f382c
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        profiles.ini

                                                                                                                        • Path /root/.mozilla/firefox/profiles.ini
                                                                                                                        • Size 259B
                                                                                                                        • SHA256 68f8a46fdb37d6e63474bf70526f5ffbc4d9dbb8950bb0e122f626a3d895f239
                                                                                                                        • MD5 SHA1 SHA512