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Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/08/2023, 21:50

General

  • Target

    524d972f381d6cd207f823a801673f400d3e8725dd346ca44bdfa6a36499c977.exe

  • Size

    8.0MB

  • MD5

    e53479bea8c4eabd029a20d36857dee6

  • SHA1

    394e933592c8e0f59c7c391f82fdc65a6ed1ab6d

  • SHA256

    524d972f381d6cd207f823a801673f400d3e8725dd346ca44bdfa6a36499c977

  • SHA512

    855207394eaf90f49cc3b8f5d97eb79d91a7a4746827466c1fd52ab37215e0d9d00c76ccc4f4c5c77f0111f035144e161a82e02f12e094d6106722ccb5ebf9f0

  • SSDEEP

    196608:qk2XqEPNE4T2Lv2I4ojlDSbwlIZBU7VDrRLHnKdX:NelgdlebwyZqFSX

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 13 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:64
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2440
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
        1⤵
          PID:3276
        • 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:1892
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:5028
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4040
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3804
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3720
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3604
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3512
                      • C:\Windows\Explorer.EXE
                        C:\Windows\Explorer.EXE
                        1⤵
                          PID:2572
                          • C:\Users\Admin\AppData\Local\Temp\524d972f381d6cd207f823a801673f400d3e8725dd346ca44bdfa6a36499c977.exe
                            "C:\Users\Admin\AppData\Local\Temp\524d972f381d6cd207f823a801673f400d3e8725dd346ca44bdfa6a36499c977.exe"
                            2⤵
                            • Modifies firewall policy service
                            • UAC bypass
                            • Windows security bypass
                            • 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:4936
                        • 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:2452
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:764
                              • C:\Windows\system32\fontdrvhost.exe
                                "fontdrvhost.exe"
                                1⤵
                                  PID:772

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • memory/4936-0-0x0000000000400000-0x000000000125B000-memory.dmp

                                  Filesize

                                  14.4MB

                                • memory/4936-1-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-3-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-4-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-6-0x00000000030D0000-0x00000000030D2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4936-7-0x0000000003130000-0x0000000003131000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4936-5-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-8-0x00000000030D0000-0x00000000030D2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4936-9-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-15-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-16-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-17-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-18-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-19-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-21-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-22-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-33-0x00000000030D0000-0x00000000030D2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4936-23-0x0000000003270000-0x000000000432A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4936-40-0x0000000000400000-0x000000000125B000-memory.dmp

                                  Filesize

                                  14.4MB