Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 20:19

General

  • Target
    6f559c6e497e981d852c88435f6d01b6e1beb1daa8df3bb1ea2b21f23857a5b1N.dll
  • Size 120KB
  • Sample241107-y3st4ayanq
  • SHA256 6f559c6e497e981d852c88435f6d01b6e1beb1daa8df3bb1ea2b21f23857a5b1
  • MD5 SHA1 SHA512 SSDEEP

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 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • UPX packed file 33 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1016
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2532
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2552
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2660
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3484
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f559c6e497e981d852c88435f6d01b6e1beb1daa8df3bb1ea2b21f23857a5b1N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1568
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f559c6e497e981d852c88435f6d01b6e1beb1daa8df3bb1ea2b21f23857a5b1N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1972
                      • C:\Users\Admin\AppData\Local\Temp\e579be2.exe
                        C:\Users\Admin\AppData\Local\Temp\e579be2.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:3448
                      • C:\Users\Admin\AppData\Local\Temp\e579db7.exe
                        C:\Users\Admin\AppData\Local\Temp\e579db7.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3668
                      • C:\Users\Admin\AppData\Local\Temp\e57b74a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b74a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:396
                      • C:\Users\Admin\AppData\Local\Temp\e57b769.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b769.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 Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2680
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3828
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3924
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3984
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4076
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3860
                            • 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:3272
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4896
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1528
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:1700
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4164

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            e579be2.exe

                                            • Path C:\Users\Admin\AppData\Local\Temp\e579be2.exe
                                            • Size 97KB
                                            • SHA256 f871a0e9edb4ff577e338a31f4bf209367760aba2400dcb3dd076583f7812392
                                            • MD5 SHA1 SHA512 SSDEEP

                                            SYSTEM.INI

                                            • Path C:\Windows\SYSTEM.INI
                                            • Size 256B
                                            • SHA256 53c4eb69a725ebece59b29edd9f8856265c5e64b58a38cf71cb134e6641a1bd7
                                            • MD5 SHA1 SHA512

                                            memory/396-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            memory/396-100-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            memory/396-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                            memory/396-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            memory/396-169-0x0000000000400000-0x0000000000412000-memory.dmp

                                            memory/396-67-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            memory/1972-51-0x0000000003B40000-0x0000000003B42000-memory.dmp

                                            memory/1972-26-0x0000000003B40000-0x0000000003B42000-memory.dmp

                                            memory/1972-30-0x0000000003B40000-0x0000000003B42000-memory.dmp

                                            memory/1972-21-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                            memory/1972-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                            memory/1972-20-0x0000000003B40000-0x0000000003B42000-memory.dmp

                                            memory/2680-101-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            memory/2680-69-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            memory/2680-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            memory/2680-170-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            memory/2680-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            memory/2680-132-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            memory/2680-171-0x0000000000400000-0x0000000000412000-memory.dmp

                                            memory/2680-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                            memory/3448-60-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-75-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-39-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-41-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-42-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-37-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-57-0x0000000000570000-0x0000000000572000-memory.dmp

                                            memory/3448-36-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-35-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-54-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-8-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-61-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-11-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-10-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-12-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-23-0x0000000001A40000-0x0000000001A41000-memory.dmp

                                            memory/3448-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                            memory/3448-6-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-24-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-28-0x0000000000570000-0x0000000000572000-memory.dmp

                                            memory/3448-9-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-38-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-13-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-76-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-80-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-81-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-84-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-85-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-91-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-94-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-19-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-96-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-98-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-99-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-25-0x0000000000780000-0x000000000183A000-memory.dmp

                                            memory/3448-31-0x0000000000570000-0x0000000000572000-memory.dmp

                                            memory/3448-109-0x0000000000570000-0x0000000000572000-memory.dmp

                                            memory/3448-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                            memory/3668-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            memory/3668-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            memory/3668-136-0x0000000000400000-0x0000000000412000-memory.dmp

                                            memory/3668-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            memory/3668-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            memory/3668-34-0x0000000000400000-0x0000000000412000-memory.dmp