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Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 16:21

General

  • Target

    7c4829300063c5a22db09f463e93ab8b.exe

  • Size

    177KB

  • MD5

    7c4829300063c5a22db09f463e93ab8b

  • SHA1

    0710e5561af076b041420f691e970987a7812f2c

  • SHA256

    6aebb1315f0b543b83bff51a2e87049a59015c8bb69eff5a8ed0133d554070a0

  • SHA512

    8255d9921ef146a42bdc1b1ea5ee18557312b4f38f3554b7fe6441f2bd47cf9932b97312e5342548ca6fbf0e5ce531ba5b77d6fd1caea843e8499c88aff1314e

  • SSDEEP

    3072:PchRJgXkQbQJWB1+VK774VHRoJ00s4mVKi5QJszehcDdj5WYEgZpe:PchRJ60074FRoJkKi5Qlhcp8gy

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

  • 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
  • UPX packed file 5 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
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1020
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3880
      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
        1⤵
          PID:3980
        • 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:4844
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:1996
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4100
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3804
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  1⤵
                    PID:3676
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                    1⤵
                      PID:3508
                    • C:\Windows\Explorer.EXE
                      C:\Windows\Explorer.EXE
                      1⤵
                        PID:3248
                        • C:\Users\Admin\AppData\Local\Temp\7c4829300063c5a22db09f463e93ab8b.exe
                          "C:\Users\Admin\AppData\Local\Temp\7c4829300063c5a22db09f463e93ab8b.exe"
                          2⤵
                          • UAC bypass
                          • Windows security bypass
                          • Disables RegEdit via registry modification
                          • Windows security modification
                          • Checks whether UAC is enabled
                          • Drops file in Windows directory
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          • System policy modification
                          PID:1620
                      • C:\Windows\system32\taskhostw.exe
                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                        1⤵
                          PID:2636
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                          1⤵
                            PID:2524
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:2516
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:776
                              • C:\Windows\system32\fontdrvhost.exe
                                "fontdrvhost.exe"
                                1⤵
                                  PID:772
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                  1⤵
                                    PID:384
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:1960
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                      1⤵
                                        PID:3480

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/1620-0-0x0000000000400000-0x0000000000433000-memory.dmp

                                        Filesize

                                        204KB

                                      • memory/1620-1-0x0000000002340000-0x0000000003373000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/1620-3-0x0000000002340000-0x0000000003373000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/1620-33-0x0000000004C00000-0x0000000004C02000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1620-34-0x0000000004E50000-0x0000000004E51000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1620-24-0x0000000002340000-0x0000000003373000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/1620-39-0x0000000004C00000-0x0000000004C02000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1620-35-0x0000000004C00000-0x0000000004C02000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1620-44-0x0000000000400000-0x0000000000433000-memory.dmp

                                        Filesize

                                        204KB