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Analysis

  • max time kernel
    159s
  • max time network
    261s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2023, 13:18

General

  • Target

    NEAS.153a7adb63178b1ee3aef2608deae190_JC.exe

  • Size

    744KB

  • MD5

    153a7adb63178b1ee3aef2608deae190

  • SHA1

    5a8bc86a0710dfbb1c4347708ef42d89262f3178

  • SHA256

    a5f7d09edfcd2d6ba588a3e2da94fce28ca130cd1eb7032d6a107830be827227

  • SHA512

    72dae164266d66e88bc3b8bd9f9a80b332e4b2f97aa082d1fa42b39e778bc435f0323a4e6e1e4ceeb8564c56a3986a81686875ea1a3c654042fe89c48899ae95

  • SSDEEP

    12288:NTyjXW+48qWywrU4kGFezOAVuJ5PI3ww7F5DO3HYffPLnE/B:RIXW/8yw1ez54lI7F5SXYHPr0

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 36 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:384
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3720
      • 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\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
          1⤵
            PID:1232
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
            1⤵
              PID:1172
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
              1⤵
                PID:3772
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:3024
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4352
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4696
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3928
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3608
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:3504
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:3272
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3156
                                • C:\Users\Admin\AppData\Local\Temp\NEAS.153a7adb63178b1ee3aef2608deae190_JC.exe
                                  "C:\Users\Admin\AppData\Local\Temp\NEAS.153a7adb63178b1ee3aef2608deae190_JC.exe"
                                  2⤵
                                  • Modifies firewall policy service
                                  • Modifies visibility of file extensions in Explorer
                                  • Modifies visiblity of hidden/system files in Explorer
                                  • UAC bypass
                                  • Windows security bypass
                                  • Windows security modification
                                  • Adds Run key to start application
                                  • Checks whether UAC is enabled
                                  • Drops file in Windows directory
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of SetWindowsHookEx
                                  • Suspicious use of WriteProcessMemory
                                  • System policy modification
                                  PID:1620
                                  • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                                    C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                                    3⤵
                                    • Modifies firewall policy service
                                    • Modifies visiblity of hidden/system files in Explorer
                                    • UAC bypass
                                    • Windows security bypass
                                    • Executes dropped EXE
                                    • Windows security modification
                                    • Checks whether UAC is enabled
                                    • Enumerates connected drives
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious use of SetWindowsHookEx
                                    • Suspicious use of WriteProcessMemory
                                    • System policy modification
                                    PID:2964
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2888
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:2760
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2752
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:824
                                      • C:\Windows\system32\fontdrvhost.exe
                                        "fontdrvhost.exe"
                                        1⤵
                                          PID:816
                                        • C:\Windows\system32\backgroundTaskHost.exe
                                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                          1⤵
                                            PID:1444

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\0E5949E0_Rar\NEAS.153a7adb63178b1ee3aef2608deae190_JC.exe

                                            Filesize

                                            664KB

                                            MD5

                                            2eb5d76180ce7b3241b281fa79ab3483

                                            SHA1

                                            06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

                                            SHA256

                                            e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

                                            SHA512

                                            35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

                                          • C:\Users\Admin\AppData\Local\Temp\0E59B491_Rar\rundll32.exe

                                            Filesize

                                            664KB

                                            MD5

                                            2eb5d76180ce7b3241b281fa79ab3483

                                            SHA1

                                            06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

                                            SHA256

                                            e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

                                            SHA512

                                            35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

                                          • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

                                            Filesize

                                            744KB

                                            MD5

                                            153a7adb63178b1ee3aef2608deae190

                                            SHA1

                                            5a8bc86a0710dfbb1c4347708ef42d89262f3178

                                            SHA256

                                            a5f7d09edfcd2d6ba588a3e2da94fce28ca130cd1eb7032d6a107830be827227

                                            SHA512

                                            72dae164266d66e88bc3b8bd9f9a80b332e4b2f97aa082d1fa42b39e778bc435f0323a4e6e1e4ceeb8564c56a3986a81686875ea1a3c654042fe89c48899ae95

                                          • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

                                            Filesize

                                            744KB

                                            MD5

                                            153a7adb63178b1ee3aef2608deae190

                                            SHA1

                                            5a8bc86a0710dfbb1c4347708ef42d89262f3178

                                            SHA256

                                            a5f7d09edfcd2d6ba588a3e2da94fce28ca130cd1eb7032d6a107830be827227

                                            SHA512

                                            72dae164266d66e88bc3b8bd9f9a80b332e4b2f97aa082d1fa42b39e778bc435f0323a4e6e1e4ceeb8564c56a3986a81686875ea1a3c654042fe89c48899ae95

                                          • C:\Windows\SYSTEM.INI

                                            Filesize

                                            257B

                                            MD5

                                            eb04eeee35667471a44efeca913e37cf

                                            SHA1

                                            0c7ec9cae65ee444056e2c301cb0198240a8ded2

                                            SHA256

                                            4992f68fc09dcd3335704f4f8cc13da599e04485b9a4a1d6511b5b03abd05878

                                            SHA512

                                            0ecc60f7ae42103983e4979445dddcf6f85d0d3d34f3758d8e529a9a5c7ce9282361875f9ce29929e977eb87974c489a0c29404123ef130a5648be9912447b04

                                          • memory/1620-10-0x00000000032B0000-0x000000000433E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/1620-9-0x00000000032B0000-0x000000000433E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/1620-12-0x00000000032B0000-0x000000000433E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/1620-15-0x0000000004DC0000-0x0000000004DC2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1620-14-0x0000000004E10000-0x0000000004E11000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1620-13-0x0000000004DC0000-0x0000000004DC2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1620-16-0x00000000032B0000-0x000000000433E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/1620-17-0x00000000032B0000-0x000000000433E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/1620-20-0x00000000032B0000-0x000000000433E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/1620-11-0x00000000032B0000-0x000000000433E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/1620-8-0x00000000032B0000-0x000000000433E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/1620-0-0x0000000000400000-0x00000000004C2000-memory.dmp

                                            Filesize

                                            776KB

                                          • memory/1620-30-0x0000000004DC0000-0x0000000004DC2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1620-34-0x0000000004DC0000-0x0000000004DC2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1620-6-0x00000000032B0000-0x000000000433E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/1620-2-0x00000000032B0000-0x000000000433E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/1620-47-0x0000000000400000-0x00000000004C2000-memory.dmp

                                            Filesize

                                            776KB

                                          • memory/2964-52-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-65-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-29-0x0000000001AE0000-0x0000000001AE2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2964-28-0x00000000000A0000-0x00000000000A2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2964-50-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-43-0x0000000001AE0000-0x0000000001AE2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2964-25-0x0000000000400000-0x00000000004C2000-memory.dmp

                                            Filesize

                                            776KB

                                          • memory/2964-53-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-54-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-55-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-56-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-57-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-58-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-59-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-22-0x00000000000F0000-0x00000000000F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2964-61-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-62-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-42-0x00000000000A0000-0x00000000000A2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2964-66-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-67-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-69-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-71-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-72-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-73-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-74-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-76-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-78-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-81-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-83-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-88-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-90-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2964-116-0x0000000000400000-0x00000000004C2000-memory.dmp

                                            Filesize

                                            776KB

                                          • memory/2964-134-0x0000000000400000-0x00000000004C2000-memory.dmp

                                            Filesize

                                            776KB

                                          • memory/2964-135-0x0000000006950000-0x00000000079DE000-memory.dmp

                                            Filesize

                                            16.6MB