Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/02/2024, 00:31

General

  • Target

    ad3e354c17e6be495f9830bb8f37b582.exe

  • Size

    116KB

  • MD5

    ad3e354c17e6be495f9830bb8f37b582

  • SHA1

    25436edb7618d26fd62b4a04b3e684fe107595e5

  • SHA256

    797a03028fb5f9ea40e28ab3c54931c29ffeb604d4f2c50878351876cc382647

  • SHA512

    9a5c904f7bcc9c9c3d983ed6eb72146bdedd709dd2a36a8859346c11ec51cb64c9a946482367392c5ca085a6c7ed801f6a2e15ca2bcc6ce29976c14115eedd4e

  • SSDEEP

    3072:JMxXB31BcWgPlyq9iJ/lXx76Md2W1VUaXc:qxx3ckqcTd2GVUr

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • UPX packed file 12 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1012
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:784
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:4012
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:1324
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
              1⤵
                PID:2428
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                1⤵
                  PID:2848
                • 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:4428
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:1644
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3432
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:4092
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3948
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3856
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3660
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3504
                                  • C:\Users\Admin\AppData\Local\Temp\ad3e354c17e6be495f9830bb8f37b582.exe
                                    "C:\Users\Admin\AppData\Local\Temp\ad3e354c17e6be495f9830bb8f37b582.exe"
                                    2⤵
                                    • Modifies firewall policy service
                                    • UAC bypass
                                    • Windows security bypass
                                    • Disables RegEdit via registry modification
                                    • Windows security modification
                                    • Checks whether UAC is enabled
                                    • Suspicious use of SetThreadContext
                                    • Drops file in Windows directory
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of SetWindowsHookEx
                                    • Suspicious use of WriteProcessMemory
                                    • System policy modification
                                    PID:3708
                                    • C:\Users\Admin\AppData\Local\Temp\ad3e354c17e6be495f9830bb8f37b582.exe
                                      "C:\Users\Admin\AppData\Local\Temp\ad3e354c17e6be495f9830bb8f37b582.exe"
                                      3⤵
                                      • Executes dropped EXE
                                      • Suspicious behavior: EnumeratesProcesses
                                      • Suspicious use of WriteProcessMemory
                                      PID:3320
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2816
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2676
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2628

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\ad3e354c17e6be495f9830bb8f37b582.exe

                                              Filesize

                                              116KB

                                              MD5

                                              ad3e354c17e6be495f9830bb8f37b582

                                              SHA1

                                              25436edb7618d26fd62b4a04b3e684fe107595e5

                                              SHA256

                                              797a03028fb5f9ea40e28ab3c54931c29ffeb604d4f2c50878351876cc382647

                                              SHA512

                                              9a5c904f7bcc9c9c3d983ed6eb72146bdedd709dd2a36a8859346c11ec51cb64c9a946482367392c5ca085a6c7ed801f6a2e15ca2bcc6ce29976c14115eedd4e

                                            • memory/3320-20-0x0000000000400000-0x0000000000409000-memory.dmp

                                              Filesize

                                              36KB

                                            • memory/3320-50-0x0000000010000000-0x0000000010013000-memory.dmp

                                              Filesize

                                              76KB

                                            • memory/3320-43-0x0000000010000000-0x0000000010013000-memory.dmp

                                              Filesize

                                              76KB

                                            • memory/3320-25-0x0000000000400000-0x0000000000409000-memory.dmp

                                              Filesize

                                              36KB

                                            • memory/3320-24-0x0000000000400000-0x0000000000409000-memory.dmp

                                              Filesize

                                              36KB

                                            • memory/3504-45-0x000000007FFD0000-0x000000007FFD1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3504-44-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

                                              Filesize

                                              28KB

                                            • memory/3708-11-0x0000000003CE0000-0x0000000003CE1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3708-9-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-13-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-14-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-15-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-16-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-17-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-18-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-19-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-12-0x0000000003C20000-0x0000000003C22000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3708-22-0x0000000000400000-0x000000000043B000-memory.dmp

                                              Filesize

                                              236KB

                                            • memory/3708-0-0x0000000000400000-0x000000000043B000-memory.dmp

                                              Filesize

                                              236KB

                                            • memory/3708-10-0x0000000003C20000-0x0000000003C22000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3708-8-0x0000000003C20000-0x0000000003C22000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3708-26-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-42-0x00000000001C0000-0x00000000001C3000-memory.dmp

                                              Filesize

                                              12KB

                                            • memory/3708-7-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-5-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-2-0x0000000000830000-0x00000000018BE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3708-1-0x00000000001C0000-0x00000000001C3000-memory.dmp

                                              Filesize

                                              12KB