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Analysis

  • max time kernel
    82s
  • max time network
    90s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2023, 21:33

General

  • Target

    NEAS.d7a78c97ccea600ed51a2a352202e970.exe

  • Size

    65KB

  • MD5

    d7a78c97ccea600ed51a2a352202e970

  • SHA1

    ae3dfcf113c855376bda481ba9dace30e6724420

  • SHA256

    776d31fea98a775e2fabb507ac65cfe87662f645a94609ec5c5c9808463d077d

  • SHA512

    6a2f4667c088e1dc678a2ad53a9e34905f9f629510fa3065f1dfab3cd104d115b5cc7a5c743be83877eba055c98d14dca2cc1c283a317fe9548e022de1d38139

  • SSDEEP

    768:oNb8ZCjvYw897yyjQ1qWLyjpe0fVUX+aD7UmF+T3cWidgxzCinUsrujZOSkBvWJs:M+0vYlG9G92UeL/O/U8c6WJBR56Ca

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 43 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 14 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:800
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:388
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3836
        • 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:4068
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:1372
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
              1⤵
                PID:2992
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:2056
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3732
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3916
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3768
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3648
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:3436
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:3264
                              • C:\Users\Admin\AppData\Local\Temp\NEAS.d7a78c97ccea600ed51a2a352202e970.exe
                                "C:\Users\Admin\AppData\Local\Temp\NEAS.d7a78c97ccea600ed51a2a352202e970.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:4688
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2392
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2292
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:2280
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:808
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1932
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3832

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\pyci.exe

                                          Filesize

                                          97KB

                                          MD5

                                          ccf1fe02870aca24a4bc678be6ea3736

                                          SHA1

                                          0ffc3e3bd4d2e4df9caf2d1ffc8e62ee672ec237

                                          SHA256

                                          0e68a6de4369d76cfdd23028795a168fa97b0d67e70c126663550fb34556b0af

                                          SHA512

                                          b9df0d7828ad8165f702c0c0ab9e2e78e59d25ea6a57b0475b006fb6266a19a8db5e2dbde1e5c00c54bf45a433024fa1598a1fca8b71f56b44e32dc14c1f233b

                                        • memory/4688-34-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-15-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-5-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-6-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-8-0x00000000034E0000-0x00000000034E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4688-9-0x00000000034F0000-0x00000000034F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4688-7-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-10-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-13-0x00000000034E0000-0x00000000034E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4688-37-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4688-16-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-17-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-22-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-23-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-24-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-25-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-26-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-27-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-29-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-30-0x00000000034E0000-0x00000000034E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4688-31-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-4-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-32-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-14-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-39-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-41-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-44-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-46-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-48-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-54-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-55-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-57-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-58-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-59-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-60-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-61-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-62-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-63-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-65-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-66-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-67-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-69-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-71-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-73-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-75-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-77-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4688-2-0x00000000008B0000-0x000000000196A000-memory.dmp

                                          Filesize

                                          16.7MB