Analysis

  • max time kernel
    118s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2025 14:18

General

  • Target

    133b309c82cfecb65d825b8e8aa4c5763eaa0e912be55638f4714d8c01e9dcbaN.exe

  • Size

    65KB

  • MD5

    4a1892c74a7b359823ed21500274d120

  • SHA1

    351aba784303b6bc8edcbdfebbf295cf2e331385

  • SHA256

    133b309c82cfecb65d825b8e8aa4c5763eaa0e912be55638f4714d8c01e9dcba

  • SHA512

    26932d95652ee46ee9f6361af507a1c426aa4570ef5f749e7e305635219ffc5cb74677ec5204a998474e8e4b28d1eca245e3b57dd3beb31ca429400cd91d0417

  • SSDEEP

    1536:mt+CSrAgx7N3OH+nM7fOEFXr0UG4DdaXVoxQJZk4kc:mt+CaheH+nM7fP7PG4DdaXVWrjc

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 3 TTPs 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • 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.

  • UPX packed file 39 IoCs

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

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1016
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:1384
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:760
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3140
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3404
                  • C:\Users\Admin\AppData\Local\Temp\133b309c82cfecb65d825b8e8aa4c5763eaa0e912be55638f4714d8c01e9dcbaN.exe
                    "C:\Users\Admin\AppData\Local\Temp\133b309c82cfecb65d825b8e8aa4c5763eaa0e912be55638f4714d8c01e9dcbaN.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
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4684
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3588
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3768
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3856
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3924
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4020
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3436
                            • 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:3008
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2412
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:920
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:5096
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:3340
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3632
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:2604

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\idvwb.exe

                                            Filesize

                                            97KB

                                            MD5

                                            78576520c8088ae7360cc6d86f6458ee

                                            SHA1

                                            5dbc31e2d7e8225ee5085bbe8cf6beb92f9e9c15

                                            SHA256

                                            deff133eb4921e4ab4e059c85c16333652892148eafa7f527bfd6d1e29970f8d

                                            SHA512

                                            6655cb0399ef1c32088f4b5f828e6bad3b98fe44740f4cb10e17f82f5897c97dfa6bcc4e79b08b9d2af7902abed33c16b5bb9b15ca203d097bc9f70876acd260

                                          • memory/4684-31-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-5-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-7-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-21-0x0000000001CF0000-0x0000000001CF2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4684-18-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-16-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-15-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-17-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-20-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-6-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-9-0x0000000001D00000-0x0000000001D01000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4684-8-0x0000000001CF0000-0x0000000001CF2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4684-4-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-3-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-23-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-22-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-32-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-25-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-26-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-28-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-29-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4684-34-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-19-0x0000000001CF0000-0x0000000001CF2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4684-24-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-36-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-37-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-41-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-43-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-45-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-46-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-49-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-50-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-51-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-53-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-54-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-57-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-58-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-62-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-63-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-70-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-72-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-73-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-78-0x0000000000860000-0x000000000191A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4684-33-0x0000000001CF0000-0x0000000001CF2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4684-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB