Analysis

  • max time kernel
    118s
  • max time network
    96s
  • 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 17:22

General

  • Target

    4921e2bc6bd359bb7969226f8dc0c73e2a32934890045cfb158f7099dc3c6da9N.exe

  • Size

    65KB

  • MD5

    ff6daf9404e7fe9d03f5d29f21c5de80

  • SHA1

    cad46ea6fbfbc394257e9451ab30e8a9e0cd9c30

  • SHA256

    4921e2bc6bd359bb7969226f8dc0c73e2a32934890045cfb158f7099dc3c6da9

  • SHA512

    ce08e5ed29d5a90d094cb078690e8e7b04bf841d95084de7f9cf1d9095e04f7e06721863c00c952b1edfdb3c0339ffce94ecf9481ca4fb96f3d7f7bf683bc492

  • SSDEEP

    1536:+PpzLJh7PXrM9/SKjvIPDMsCNm1G0+AcSor0:+PpzrjrKrIP3CNm1GPAGg

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 38 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:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2964
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3032
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2700
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3568
                  • C:\Users\Admin\AppData\Local\Temp\4921e2bc6bd359bb7969226f8dc0c73e2a32934890045cfb158f7099dc3c6da9N.exe
                    "C:\Users\Admin\AppData\Local\Temp\4921e2bc6bd359bb7969226f8dc0c73e2a32934890045cfb158f7099dc3c6da9N.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:1792
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3680
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3868
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3960
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4032
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:684
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4040
                            • 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:768
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4668
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:392
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:740
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:2460
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:5048
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4764

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • F:\xwsce.exe

                                            Filesize

                                            97KB

                                            MD5

                                            1eb68298bb6aa3b739346f5f013366a7

                                            SHA1

                                            c5178a38745495cfc736d541d8f6944a0f23e729

                                            SHA256

                                            b1b16218702141846ddaba13f3791f91417b4bf78c7795931462187551af4760

                                            SHA512

                                            37f9fbea25900be8f5be88271eab1453bfae2d76136864213fd5bb3eb9bddaf5a99a545afa01ff22034096b9c41115bee54ff10eade54c077aceb09de3e531d3

                                          • memory/1792-29-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-1-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-15-0x0000000001B00000-0x0000000001B02000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1792-31-0x0000000001B00000-0x0000000001B02000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1792-6-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-16-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-14-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-5-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-8-0x0000000001B10000-0x0000000001B11000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1792-7-0x0000000001B00000-0x0000000001B02000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1792-4-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-18-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-20-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-19-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-22-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-21-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-23-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-34-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-25-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-27-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-28-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1792-17-0x0000000001B00000-0x0000000001B02000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1792-3-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-24-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-35-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-36-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-39-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-42-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-44-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-46-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-48-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-50-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-57-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-59-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-61-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-63-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-64-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-67-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-69-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-71-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-73-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-77-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-32-0x0000000000730000-0x00000000017EA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1792-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB