Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 18:13

General

  • Target

    028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

  • Size

    1.1MB

  • MD5

    dcd15634bb9c065a4b55e9798f10a17a

  • SHA1

    979fb09e75ca827aa4cf1f773bbbd8963b1ffbb9

  • SHA256

    028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34

  • SHA512

    f16597c050985c470abbccf27dc3cd135889e3764d9a5938f4d5ec998c232065d93c3aead3c067eee4a8d4f7a4f9e3a3472c5c0323b2efa09ad3f0da4142b05c

  • SSDEEP

    24576:ZJqtZ2F83eGiHKCsLnMpK5SFdtNc/enhABFlEpdJo7:ZJq62hCsDaHdtNcDEpdJo7

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 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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 41 IoCs
  • UPX dump on OEP (original entry point) 44 IoCs
  • UPX packed file 41 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2808
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2892
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2996
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3464
                  • C:\Users\Admin\AppData\Local\Temp\028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
                    "C:\Users\Admin\AppData\Local\Temp\028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Writes to the Master Boot Record (MBR)
                    • Drops autorun.inf file
                    • 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:4524
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 2480
                      3⤵
                      • Program crash
                      PID:2244
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3584
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3776
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3868
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4060
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4172
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4728
                              • 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:2436
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:652
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:5036
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2140
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1008
                                        • C:\Windows\system32\BackgroundTransferHost.exe
                                          "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                          1⤵
                                            PID:60
                                          • C:\Windows\system32\backgroundTaskHost.exe
                                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                            1⤵
                                              PID:4036
                                            • C:\Windows\SysWOW64\WerFault.exe
                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4524 -ip 4524
                                              1⤵
                                                PID:2748

                                              Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • C:\ncrh.exe

                                                Filesize

                                                97KB

                                                MD5

                                                2287629f0aea031026e3597b51521da0

                                                SHA1

                                                a46a2105aa6e8f6ebb4656b213e94fb93bc0814b

                                                SHA256

                                                022697d4fb81f8f227b08646b9982e4429bec29f5e934f93593a5172cfddd041

                                                SHA512

                                                0035fad88d426992da3a55ea1f6f99d89b55319aea31f6bfa220b7add1b1c23c42221b6fad5dcd2759985e1d60a103a5adcf3466241472c41b58a05ac09b0dfc

                                              • memory/4524-0-0x0000000000400000-0x00000000006B5000-memory.dmp

                                                Filesize

                                                2.7MB

                                              • memory/4524-1-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-5-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-19-0x0000000000C40000-0x0000000000C42000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4524-16-0x0000000000C40000-0x0000000000C42000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4524-15-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-18-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-17-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-21-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-20-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-7-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-6-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-4-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-10-0x0000000003980000-0x0000000003981000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/4524-9-0x0000000000C40000-0x0000000000C42000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4524-3-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-23-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-24-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-25-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-26-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-27-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-29-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-30-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-32-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-33-0x0000000000400000-0x00000000006B5000-memory.dmp

                                                Filesize

                                                2.7MB

                                              • memory/4524-34-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-36-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-37-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-39-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-42-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-45-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-46-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-49-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-56-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-58-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-59-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-61-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-64-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-65-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-67-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-69-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-70-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-71-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-73-0x0000000000400000-0x00000000006B5000-memory.dmp

                                                Filesize

                                                2.7MB

                                              • memory/4524-74-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-76-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-79-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4524-81-0x0000000000C40000-0x0000000000C42000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4524-117-0x0000000000400000-0x00000000006B5000-memory.dmp

                                                Filesize

                                                2.7MB

                                              • memory/4524-118-0x0000000002500000-0x00000000035BA000-memory.dmp

                                                Filesize

                                                16.7MB