Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 12:12

General

  • Target

    10a99155fc6867c67b3f4ae8c6f6923dcad0fa6f9303aa4584f8fec9a079a862N.dll

  • Size

    120KB

  • MD5

    8e43f525f78bbf2f969b2aeb63261280

  • SHA1

    c0c01a35cef677948bba36d040aa8457c06e2763

  • SHA256

    10a99155fc6867c67b3f4ae8c6f6923dcad0fa6f9303aa4584f8fec9a079a862

  • SHA512

    077e9471b292dd0101fa9b5056370f4b7ca28fb450452ebdf96d6a95814feb19a867bd70f89d15d64f607686fed461d1bd3d3601c7d9219e5627adfe94d6b7e0

  • SSDEEP

    1536:bSN2pVJaC/lyma/GiGtRHkGikYjmWC6tBoGxmH7Qqb5Uq/Sj5JCKLoXQtixr/Hh:WQVJaeYnHGikctxq95t//Ak1

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
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 12 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 31 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 58 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2636
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2648
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2828
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3432
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\10a99155fc6867c67b3f4ae8c6f6923dcad0fa6f9303aa4584f8fec9a079a862N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3656
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\10a99155fc6867c67b3f4ae8c6f6923dcad0fa6f9303aa4584f8fec9a079a862N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1908
                      • C:\Users\Admin\AppData\Local\Temp\e57ae32.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ae32.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Program Files directory
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:432
                      • C:\Users\Admin\AppData\Local\Temp\e57b0a3.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b0a3.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3376
                      • C:\Users\Admin\AppData\Local\Temp\e57cc49.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cc49.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4956
                      • C:\Users\Admin\AppData\Local\Temp\e57cca6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cca6.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:384
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3560
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3744
                    • 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:3928
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4008
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4108
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4348
                              • 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:4416
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3008
                                  • C:\Windows\system32\BackgroundTaskHost.exe
                                    "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                    1⤵
                                      PID:1672
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1404
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:756

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e57ae32.exe

                                          Filesize

                                          97KB

                                          MD5

                                          c7652d69e518bac8361159c9ff050423

                                          SHA1

                                          05c64a2274512d83ae8c8b5f6364f826732f5a74

                                          SHA256

                                          4c3f19d03fc4b0fa448f7b3bf8894f439d3097133b746dca6b5fc0d43ae28567

                                          SHA512

                                          4713ee58303aae22f3f892f9744655763f88c32a15c60c0b801dadd5640ac913d3d9b3ac75948fe6ecac1f54c62dbc0e832fbe6a3c0b36a0b3115ef2edcd8992

                                        • memory/384-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/384-129-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/384-117-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/384-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/384-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/384-66-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/432-58-0x0000000000590000-0x0000000000592000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/432-8-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-19-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/432-9-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-114-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/432-35-0x0000000000590000-0x0000000000592000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/432-32-0x0000000000590000-0x0000000000592000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/432-97-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-28-0x00000000005B0000-0x00000000005B1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/432-20-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-21-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-102-0x0000000000590000-0x0000000000592000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/432-10-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-22-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-38-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-37-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-39-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-41-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-40-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-43-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-11-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-94-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-57-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-89-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-60-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-17-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-18-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-6-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-86-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-85-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-84-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-82-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-81-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-78-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-73-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-75-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/432-76-0x0000000000880000-0x000000000193A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1908-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/1908-23-0x00000000049C0000-0x00000000049C2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1908-30-0x00000000049C0000-0x00000000049C2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1908-31-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1908-24-0x00000000049C0000-0x00000000049C2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3376-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3376-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3376-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3376-115-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3376-121-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3376-62-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4956-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4956-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4956-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4956-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4956-116-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4956-125-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB