Analysis

  • max time kernel
    92s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/02/2024, 09:31

General

  • Target

    ae2e1cbf8477077d682a9e7882e80023.exe

  • Size

    442KB

  • MD5

    ae2e1cbf8477077d682a9e7882e80023

  • SHA1

    68a8704904c4f7cd66f516f3b21a484ea689fe23

  • SHA256

    4fa40060e1698c4f15b1fc6cacabe31e0de49e0092f4368be58d22e5d7c496c9

  • SHA512

    6f51abc0c59c92c3af41c4ee151290a84a783deced7e5934bd6586a05aa54b673e1d69ea1eb88297d151dfb4a241b6976a421e3fc2fa23ad10da028eb49e6e63

  • SSDEEP

    12288:UdTTlUxZuKpf5oIzrUXZCGs/5eBXv8J1Q0TGvqSRnQ:UdTTlGuK0IkXEGsh2f8J1Q0TGS0nQ

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
      1⤵
        PID:3636
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:4044
        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
          1⤵
            PID:2184
          • C:\Users\Admin\AppData\Local\Temp\ae2e1cbf8477077d682a9e7882e80023.exe
            "C:\Users\Admin\AppData\Local\Temp\ae2e1cbf8477077d682a9e7882e80023.exe"
            1⤵
            • UAC bypass
            • Windows security bypass
            • Disables RegEdit via registry modification
            • Windows security modification
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1600
            • C:\Windows\SysWOW64\netsh.exe
              netsh firewall set opmode disable
              2⤵
              • Modifies Windows Firewall
              PID:2984
              • C:\Windows\System32\Conhost.exe
                \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                3⤵
                  PID:4656
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
              1⤵
                PID:704
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                1⤵
                  PID:1652
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                  1⤵
                    PID:4472
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:2444
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4120
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:684
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3980
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3884
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3444
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2568
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2448
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:2428
                                    • C:\Windows\system32\dwm.exe
                                      "dwm.exe"
                                      1⤵
                                        PID:384
                                      • C:\Windows\system32\fontdrvhost.exe
                                        "fontdrvhost.exe"
                                        1⤵
                                          PID:780

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • memory/1600-13-0x0000000003990000-0x0000000003992000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1600-38-0x0000000003990000-0x0000000003992000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1600-7-0x0000000002320000-0x0000000003353000-memory.dmp

                                                Filesize

                                                16.2MB

                                              • memory/1600-8-0x0000000002320000-0x0000000003353000-memory.dmp

                                                Filesize

                                                16.2MB

                                              • memory/1600-9-0x0000000003990000-0x0000000003992000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1600-10-0x0000000003B90000-0x0000000003B91000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1600-43-0x0000000000400000-0x000000000044F000-memory.dmp

                                                Filesize

                                                316KB

                                              • memory/1600-0-0x0000000000400000-0x000000000044F000-memory.dmp

                                                Filesize

                                                316KB

                                              • memory/1600-5-0x0000000002320000-0x0000000003353000-memory.dmp

                                                Filesize

                                                16.2MB

                                              • memory/1600-26-0x0000000002320000-0x0000000003353000-memory.dmp

                                                Filesize

                                                16.2MB

                                              • memory/1600-25-0x0000000002320000-0x0000000003353000-memory.dmp

                                                Filesize

                                                16.2MB

                                              • memory/2984-21-0x0000000000220000-0x0000000000222000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2984-15-0x0000000000600000-0x0000000000601000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2984-18-0x0000000000220000-0x0000000000222000-memory.dmp

                                                Filesize

                                                8KB