Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 09:41

General

  • Target

    521551502cef501862a6440441f0c76ab9559097d3850cf3de2c4b8ec34dbd32.exe

  • Size

    1.3MB

  • MD5

    54dcb04f09203c68c597c0d5328f1b46

  • SHA1

    429cdced3687a9b607606835c88540ec73747eb9

  • SHA256

    521551502cef501862a6440441f0c76ab9559097d3850cf3de2c4b8ec34dbd32

  • SHA512

    4943b3c98a96a4961f6f08fbe539e7ca3e64f394a8220c949ed01de75d4de34f6cc5c51971c15b638c5bd698c37309b48fd06f18cff87194c8cf3d4cb97a1d25

  • SSDEEP

    24576:SJeofAq/jp98z3kiZgV+PBeOeOe7OxmOocRLfzyFyT96I:IeofAaWkQKuBeOeOe7OxmHcR1d

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 WinLogon for persistence 2 TTPs 1 IoCs
  • 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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Modifies WinLogon 2 TTPs 1 IoCs
  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 5 IoCs
  • UPX packed file 43 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 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:1012
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2632
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2640
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2748
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3504
                  • C:\Users\Admin\AppData\Local\Temp\521551502cef501862a6440441f0c76ab9559097d3850cf3de2c4b8ec34dbd32.exe
                    "C:\Users\Admin\AppData\Local\Temp\521551502cef501862a6440441f0c76ab9559097d3850cf3de2c4b8ec34dbd32.exe"
                    2⤵
                    • Modifies WinLogon for persistence
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Modifies WinLogon
                    • Drops file in System32 directory
                    • 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:3140
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /C AT /delete /yes
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2648
                      • C:\Windows\SysWOW64\at.exe
                        AT /delete /yes
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:3852
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\winhelp.exe
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2020
                      • C:\Windows\SysWOW64\at.exe
                        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\winhelp.exe
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:388
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3600
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3820
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3916
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3996
                        • 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:4160
                            • 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:4616
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5096
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4396

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\0E57CE4C_Rar\521551502cef501862a6440441f0c76ab9559097d3850cf3de2c4b8ec34dbd32.exe

                                    Filesize

                                    1.2MB

                                    MD5

                                    831d83005e9b8df6360aedd77ed93fc2

                                    SHA1

                                    148961c71e534d81519ae85acf9baa6054ed431c

                                    SHA256

                                    c57aff80d7689adc8d46ef96d1b9d5ebf5220925efb5e376577cae2f053c0698

                                    SHA512

                                    93e6fa52b6af9ab5ecd10daf4ab64586ac1eb706c6571dd14e9d512f5051f3d04d1d502f53b09a1071d3d11d90aa609e48e3d3fa5182d7b5ce21b51b6237b935

                                  • C:\Windows\SysWOW64\setup.ini

                                    Filesize

                                    96B

                                    MD5

                                    9ece103c47335f0cc777f1132b8d522f

                                    SHA1

                                    63afa171c64f86d99db81723e1335e960e85fa43

                                    SHA256

                                    69815d4932ddde240ce6b1353305d2fab58ca402e9c478452c8e37ce8a7b2ac9

                                    SHA512

                                    b1ac64c71c6338bf0ab33df938128822da680f20d0552edb2edb808f1c75bafb88467412fc8dc60ed8022a1f0c4f3fcbecb69a320ec871b3a766482f32d6eb05

                                  • C:\Windows\SysWOW64\winhelp.exe

                                    Filesize

                                    1.3MB

                                    MD5

                                    54dcb04f09203c68c597c0d5328f1b46

                                    SHA1

                                    429cdced3687a9b607606835c88540ec73747eb9

                                    SHA256

                                    521551502cef501862a6440441f0c76ab9559097d3850cf3de2c4b8ec34dbd32

                                    SHA512

                                    4943b3c98a96a4961f6f08fbe539e7ca3e64f394a8220c949ed01de75d4de34f6cc5c51971c15b638c5bd698c37309b48fd06f18cff87194c8cf3d4cb97a1d25

                                  • memory/3140-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3140-8-0x0000000000A60000-0x0000000000A61000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3140-67-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-4-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-70-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-7-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3140-9-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-44-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-45-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-46-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-5-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-10-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3140-3-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-48-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-50-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-71-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-57-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-58-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-59-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-61-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-62-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-64-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-65-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-0-0x0000000000400000-0x00000000004B3000-memory.dmp

                                    Filesize

                                    716KB

                                  • memory/3140-6-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-11-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3140-1-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-73-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-79-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-81-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-83-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-85-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-86-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-88-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-89-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-90-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-92-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-93-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-94-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-98-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-99-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-101-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-102-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-104-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-106-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-105-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-107-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-108-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-112-0x0000000003320000-0x00000000043AE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/3140-114-0x0000000000400000-0x00000000004B3000-memory.dmp

                                    Filesize

                                    716KB