Analysis

  • max time kernel
    125s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2023, 08:28

General

  • Target

    NEAS.042751ae71561dd29acecde1ca341ca0.exe

  • Size

    339KB

  • MD5

    042751ae71561dd29acecde1ca341ca0

  • SHA1

    cb22ea843006889a1f70f3782827758dd47b7a7d

  • SHA256

    1d93c5424957b6caa5f4d731f6130eb63b0b5952f72ad0d6af6c947b12ceb194

  • SHA512

    cc129e94b2678c39bb0ce97c515dbf817448523c05e266bbe8b639391b734d4ba8e7acdef92b04642215415dcfc5cb7825d585c41411c29a37473c391b1bf46d

  • SSDEEP

    6144:uVHv4NVHC8j8AVhDf6ne8TN3As7+yQlyUuTO1t7:uVHv+izAVhDf6nRTNDOSTet7

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 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 39 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 20 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:60
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:796
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3832
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:2836
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
              1⤵
                PID:1268
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                1⤵
                  PID:3048
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:736
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:1996
                    • 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:532
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:5052
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4080
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:3940
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              1⤵
                                PID:3732
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                1⤵
                                  PID:3628
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                  1⤵
                                    PID:3388
                                  • C:\Windows\Explorer.EXE
                                    C:\Windows\Explorer.EXE
                                    1⤵
                                      PID:3228
                                      • C:\Users\Admin\AppData\Local\Temp\NEAS.042751ae71561dd29acecde1ca341ca0.exe
                                        "C:\Users\Admin\AppData\Local\Temp\NEAS.042751ae71561dd29acecde1ca341ca0.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
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of FindShellTrayWindow
                                        • Suspicious use of SendNotifyMessage
                                        • Suspicious use of SetWindowsHookEx
                                        • Suspicious use of WriteProcessMemory
                                        • System policy modification
                                        PID:3396
                                    • C:\Windows\system32\taskhostw.exe
                                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                      1⤵
                                        PID:2436
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                        1⤵
                                          PID:2344
                                        • C:\Windows\system32\sihost.exe
                                          sihost.exe
                                          1⤵
                                            PID:2328
                                          • C:\Windows\system32\BackgroundTaskHost.exe
                                            "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                            1⤵
                                              PID:3208
                                            • C:\Windows\system32\backgroundTaskHost.exe
                                              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                              1⤵
                                                PID:1448
                                              • C:\Windows\System32\RuntimeBroker.exe
                                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                1⤵
                                                  PID:3860
                                                • C:\Windows\system32\BackgroundTransferHost.exe
                                                  "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                                  1⤵
                                                    PID:1472

                                                  Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  • C:\qfdoax.pif

                                                    Filesize

                                                    100KB

                                                    MD5

                                                    069195d04c43dcda7b3b032cf496639f

                                                    SHA1

                                                    53128a8063509cf00d8d79ce3a64e7ba1d8978e2

                                                    SHA256

                                                    1a33b374a6cf28290e684e922b6e424395724ee82e3db856f3b016e66507062c

                                                    SHA512

                                                    c542a454031ee694b2ebfa7919f7dab35753b5a135068881aac4840d339304802c036c58eadd10a0c7d91185114d45c286233d4c20403a405ab253cbfed053c7

                                                  • memory/3396-27-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-19-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-6-0x0000000003490000-0x0000000003492000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3396-5-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-7-0x00000000034F0000-0x00000000034F1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/3396-9-0x0000000003490000-0x0000000003492000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3396-10-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-11-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-12-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-13-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-14-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-15-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-16-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-31-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-18-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-30-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-20-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-22-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-23-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-24-0x0000000003490000-0x0000000003492000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3396-25-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-0-0x0000000000400000-0x0000000000458000-memory.dmp

                                                    Filesize

                                                    352KB

                                                  • memory/3396-3-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-28-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-17-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-35-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-37-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-40-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-41-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-46-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-48-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-50-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-51-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-52-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-53-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-54-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-56-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-58-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-60-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-62-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-64-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-66-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-68-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-4-0x0000000002360000-0x00000000033EE000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3396-79-0x0000000000400000-0x0000000000458000-memory.dmp

                                                    Filesize

                                                    352KB