Analysis

  • max time kernel
    139s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/06/2024, 02:44

General

  • Target
    c5d9248b32f7f97614d8b709995bb209289834054f06ae3f33d82eba9ec6ef76.dll
  • Size 120KB
  • Sample240626-c8kvsazfnd
  • SHA256 c5d9248b32f7f97614d8b709995bb209289834054f06ae3f33d82eba9ec6ef76
  • 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 28 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 14 IoCs

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

  • Drops file in Program Files directory 3 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2480
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2508
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2756
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3468
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5d9248b32f7f97614d8b709995bb209289834054f06ae3f33d82eba9ec6ef76.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:884
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5d9248b32f7f97614d8b709995bb209289834054f06ae3f33d82eba9ec6ef76.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2916
                      • C:\Users\Admin\AppData\Local\Temp\e576f73.exe
                        C:\Users\Admin\AppData\Local\Temp\e576f73.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:3988
                      • C:\Users\Admin\AppData\Local\Temp\e5770ea.exe
                        C:\Users\Admin\AppData\Local\Temp\e5770ea.exe
                        4⤵
                        • Executes dropped EXE
                        PID:2456
                      • C:\Users\Admin\AppData\Local\Temp\e579645.exe
                        C:\Users\Admin\AppData\Local\Temp\e579645.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:1100
                • 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:3964
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4028
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:768
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4192
                            • 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:4380
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4060
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:3580
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4652
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3288
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4080

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              e576f73.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\e576f73.exe
                                              • Size 97KB
                                              • SHA256 1983280e9ded81e2996780a17a7eb8d0c948b2236376fdf963c60231c342cd69
                                              • MD5 SHA1 SHA512 SSDEEP

                                              SYSTEM.INI

                                              • Path C:\Windows\SYSTEM.INI
                                              • Size 257B
                                              • SHA256 2f5d8887738b75d9f983b37ed5d038b0388fd1ccc79b55544689274e7cc26fce
                                              • MD5 SHA1 SHA512

                                              memory/1100-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/1100-146-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                              memory/1100-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/1100-50-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/1100-106-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                              memory/1100-55-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              memory/2456-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/2456-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/2456-52-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              memory/2456-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/2456-110-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/2916-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                              memory/2916-30-0x0000000003BE0000-0x0000000003BE2000-memory.dmp

                                              memory/2916-47-0x0000000003BE0000-0x0000000003BE2000-memory.dmp

                                              memory/2916-14-0x0000000003C70000-0x0000000003C71000-memory.dmp

                                              memory/2916-24-0x0000000003BE0000-0x0000000003BE2000-memory.dmp

                                              memory/2916-13-0x0000000003BE0000-0x0000000003BE2000-memory.dmp

                                              memory/3988-40-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-59-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-36-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-37-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-38-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-16-0x00000000006C0000-0x00000000006C1000-memory.dmp

                                              memory/3988-39-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-42-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-28-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-10-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-31-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-32-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-12-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-26-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                              memory/3988-29-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                              memory/3988-8-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-60-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-62-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-64-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-65-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-66-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-69-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-71-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-74-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-75-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-84-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                              memory/3988-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3988-23-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-22-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-11-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-6-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              memory/3988-4-0x0000000000400000-0x0000000000412000-memory.dmp