Analysis

  • max time kernel
    135s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2023, 19:46

General

  • Target

    NEAS.1ce53f84a44a06675ac512b60bf9adf0.exe

  • Size

    97KB

  • MD5

    1ce53f84a44a06675ac512b60bf9adf0

  • SHA1

    620623bd561dae0f6d5ecd8b9c2780bd6e657c95

  • SHA256

    cb7d8a7da71368f4dc350627f0809ff541f36887e194717fbcc47c065dea8013

  • SHA512

    c058590be803de9aecd90b7289aa04bff9603ff4316e1c03231cec10a95223c5d9ca26e1832413eb30602e42d0a1b47a75c002bfc4acf8ab42814733acfddb07

  • SSDEEP

    1536:uZmJwu2NBndEsnf+z3U5GmpOJDYXSIEH9zVs+9rFzjmEaJ/bedV8d:ymJwu6dEFQ5GmQDs+9rRjmZJyV

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

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 40 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
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2432
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3724
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:3660
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:3500
            • 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:512
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:4840
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                  1⤵
                    PID:3360
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                    1⤵
                      PID:1544
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:5068
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3748
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4016
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:3812
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3276
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:1084
                                  • C:\Users\Admin\AppData\Local\Temp\NEAS.1ce53f84a44a06675ac512b60bf9adf0.exe
                                    "C:\Users\Admin\AppData\Local\Temp\NEAS.1ce53f84a44a06675ac512b60bf9adf0.exe"
                                    2⤵
                                    • Modifies firewall policy service
                                    • UAC bypass
                                    • Windows security bypass
                                    • Windows security modification
                                    • Checks whether UAC is enabled
                                    • Enumerates connected drives
                                    • Drops autorun.inf file
                                    • Drops file in Program Files directory
                                    • Drops file in Windows directory
                                    • Modifies registry class
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of WriteProcessMemory
                                    • System policy modification
                                    PID:4168
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2612
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2460
                                    • C:\Windows\system32\dwm.exe
                                      "dwm.exe"
                                      1⤵
                                        PID:316
                                      • C:\Windows\system32\fontdrvhost.exe
                                        "fontdrvhost.exe"
                                        1⤵
                                          PID:784
                                        • C:\Windows\system32\backgroundTaskHost.exe
                                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                          1⤵
                                            PID:2056

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • C:\wftu.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  9c11d29c1d5b424a9dd917244c94cff2

                                                  SHA1

                                                  eb579c54f33d28c07aea5c551c6db5ae68343f50

                                                  SHA256

                                                  b1c59bbd9fee4d3e971abe649a35b4ff111c976b66c6bb8f154f783f9d555ccc

                                                  SHA512

                                                  740f6cfc66144de69694551175f22b75358029c25c83c0f9ebf50516883d2d4218e9d301161f60bbb051787182044c06a918c95c4a1a5c8467e50f99bd090f23

                                                • memory/4168-30-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-23-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-5-0x0000000003DA0000-0x0000000003DA2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4168-6-0x00000000043D0000-0x00000000043D1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/4168-9-0x0000000003DA0000-0x0000000003DA2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4168-4-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-8-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-10-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-16-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-17-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-18-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-19-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-20-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-21-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-22-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-33-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-24-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-25-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-27-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-28-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-29-0x0000000003DA0000-0x0000000003DA2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4168-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4168-3-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-32-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-67-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-37-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-39-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-42-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-44-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-46-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-48-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-50-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-56-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-57-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-59-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-61-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-63-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-65-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-34-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-68-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-69-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-71-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-73-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-75-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-1-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4168-88-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB