Analysis

  • max time kernel
    117s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2025, 23:28

General

  • Target

    8dfa2b44b38d352354e7dc5d15a9bf65ba49e448b8412cb4bc20894809ec5e51N.exe

  • Size

    65KB

  • MD5

    b4336b32075e17e0f320136f6503c170

  • SHA1

    9d42154b07ded139db39cc1dc999caf5eb489e2b

  • SHA256

    8dfa2b44b38d352354e7dc5d15a9bf65ba49e448b8412cb4bc20894809ec5e51

  • SHA512

    7cb001adbda01d9d69c0dc6549274d32b2ba4a81a6679f39f0515d1ce1085970fc943051ba5b5abedad378e535b011e79152648cc7145da3b5d76cfa30df1d66

  • SSDEEP

    1536:Wffos/KwEQ9LcKVUJFbnJR7feykxhaYTB+IlTNLx0l1cn2IY1u1:mfokKwECcKItJRyyAEYlPpNK8nzF

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 41 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:760
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:764
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1016
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2956
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:684
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3160
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3448
                  • C:\Users\Admin\AppData\Local\Temp\8dfa2b44b38d352354e7dc5d15a9bf65ba49e448b8412cb4bc20894809ec5e51N.exe
                    "C:\Users\Admin\AppData\Local\Temp\8dfa2b44b38d352354e7dc5d15a9bf65ba49e448b8412cb4bc20894809ec5e51N.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:2912
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3576
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3772
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3860
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3948
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4068
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4108
                            • 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:3960
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2000
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1432
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:5012
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:4972
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1424
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:908

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\vfeiwp.exe

                                            Filesize

                                            97KB

                                            MD5

                                            d8e4c3defebc8ff734ad781a63a36c43

                                            SHA1

                                            266f934c102a9471083aac728be23fe6afc54685

                                            SHA256

                                            154a10ca594bd272f6321f90614ecf738e0b98c63b1745252697b8d1486fcf86

                                            SHA512

                                            5de195f7cd4b95d55128b2e03b48c0bea88c989e0d795a9d614b42f7be4669d70f323dd6f49accd09a10868f08d7db42525502b9f4bfc824f04c954830f48b4d

                                          • memory/2912-32-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-21-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-4-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-5-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-17-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-8-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-16-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-18-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-19-0x0000000001C30000-0x0000000001C32000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2912-34-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2912-9-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-7-0x0000000001C40000-0x0000000001C41000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2912-6-0x0000000001C30000-0x0000000001C32000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2912-10-0x0000000001C30000-0x0000000001C32000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2912-22-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-23-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-24-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-25-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-26-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-28-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-29-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-1-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-31-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-20-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-35-0x0000000001C30000-0x0000000001C32000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2912-36-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-38-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-40-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-43-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-45-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-47-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-49-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-51-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-53-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-54-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-56-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-62-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-63-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-66-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-67-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-68-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-69-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-71-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-74-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-78-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-3-0x0000000000810000-0x00000000018CA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2912-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB