Analysis

  • max time kernel
    144s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/06/2024, 02:47

General

  • Target
    57d82c0498c078851cc82b17d73c1520.dll
  • Size 120KB
  • Sample240620-c9vrdaygln
  • SHA256 07d130f17f41f6a1c46f5d927d8f3b94a1d2f4637891a9b7c7f4422b76ced9d3
  • 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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 33 IoCs

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

  • 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.

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • 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:796
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2644
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2680
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2784
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3508
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\57d82c0498c078851cc82b17d73c1520.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3032
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\57d82c0498c078851cc82b17d73c1520.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2064
                      • C:\Users\Admin\AppData\Local\Temp\e573cea.exe
                        C:\Users\Admin\AppData\Local\Temp\e573cea.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:1360
                      • C:\Users\Admin\AppData\Local\Temp\e573de4.exe
                        C:\Users\Admin\AppData\Local\Temp\e573de4.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4428
                      • C:\Users\Admin\AppData\Local\Temp\e57589f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57589f.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:1108
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3628
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3824
                    • 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:4068
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3232
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2364
                              • 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:4924
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4552
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4416
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2040
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3608

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              e573cea.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\e573cea.exe
                                              • Size 97KB
                                              • SHA256 259b7af75fe98383b3b8dd765aa3b7361b4218a66c86a5bba27be883fffe086b
                                              • MD5 SHA1 SHA512 SSDEEP

                                              SYSTEM.INI

                                              • Path C:\Windows\SYSTEM.INI
                                              • Size 257B
                                              • SHA256 e27de41f600b0106d2eb0023f49bc44ba17fa0c53de1b93ea2e10382531191e4
                                              • MD5 SHA1 SHA512

                                              memory/1108-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/1108-148-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                              memory/1108-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/1108-118-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                              memory/1108-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/1108-59-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              memory/1360-40-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-22-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-31-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/1360-34-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                              memory/1360-12-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-25-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                              memory/1360-13-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-10-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-11-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-17-0x00000000019C0000-0x00000000019C1000-memory.dmp

                                              memory/1360-9-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-23-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-37-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-36-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-38-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-39-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-102-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/1360-42-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-80-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-51-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-52-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-54-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-85-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-91-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                              memory/1360-21-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-8-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-82-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-64-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-65-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-66-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-69-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-71-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-74-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-75-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-78-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/1360-79-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              memory/2064-14-0x0000000003C80000-0x0000000003C82000-memory.dmp

                                              memory/2064-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                              memory/2064-15-0x0000000004190000-0x0000000004191000-memory.dmp

                                              memory/2064-18-0x0000000003C80000-0x0000000003C82000-memory.dmp

                                              memory/2064-24-0x0000000003C80000-0x0000000003C82000-memory.dmp

                                              memory/4428-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/4428-56-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              memory/4428-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/4428-106-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/4428-35-0x0000000000400000-0x0000000000412000-memory.dmp