Analysis

  • max time kernel
    122s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 00:38

General

  • Target

    8e0a2d6e1e317b6182b3e960f4f95af895aa3e9652ddfcdbfd1c702222ab8929.exe

  • Size

    100KB

  • MD5

    20e1e3c6a39753cc4bdfca34d2292f06

  • SHA1

    35554f107b1942252c4ac08268fee869033b2767

  • SHA256

    8e0a2d6e1e317b6182b3e960f4f95af895aa3e9652ddfcdbfd1c702222ab8929

  • SHA512

    c5e1b7684a2304b19bfb880383362650aac3b483e4e9159d9f79e48c10fc39fb494f8326006af1fd141cea3d4462c11eb41cac8a4ab4a63a4aa38b849cfbcb67

  • SSDEEP

    3072:ECpR8RzUz5++9/EvTUKsQV62e5q+WfkC:ECpR8RzUFzUTUKnV6p5q+k

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 41 IoCs
  • UPX dump on OEP (original entry point) 39 IoCs
  • UPX packed file 39 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
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • 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 13 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 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:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2568
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2592
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2760
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3580
                  • C:\Users\Admin\AppData\Local\Temp\8e0a2d6e1e317b6182b3e960f4f95af895aa3e9652ddfcdbfd1c702222ab8929.exe
                    "C:\Users\Admin\AppData\Local\Temp\8e0a2d6e1e317b6182b3e960f4f95af895aa3e9652ddfcdbfd1c702222ab8929.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:856
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3688
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3892
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3984
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4048
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:684
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4168
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4468
                              • 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:2716
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1880
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3756
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2520
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4004

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • F:\ucac.exe

                                          Filesize

                                          100KB

                                          MD5

                                          a2199ad265ba0129d4ca4d396342094d

                                          SHA1

                                          7445d998c2a20c1168be9003ac22b1bf8177be3b

                                          SHA256

                                          3030122932a7b8c5eea2172994f639d68a222b75f8050c10c736acd66704ba20

                                          SHA512

                                          0c9dce818802b45671bbd76aa40282d4c996c6a0e37a97da5973a8852e5dc3cda5a9a905d31b3c6356fd8620320aca625b87e217c2778666b485386593134f29

                                        • memory/856-26-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-69-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-10-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-28-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-8-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-11-0x0000000003A70000-0x0000000003A72000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/856-5-0x0000000003A70000-0x0000000003A72000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/856-3-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-7-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-9-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-13-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-14-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-15-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-16-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-17-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-18-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-19-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-30-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-22-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-23-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-24-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-0-0x0000000000400000-0x0000000000413000-memory.dmp

                                          Filesize

                                          76KB

                                        • memory/856-12-0x0000000003A70000-0x0000000003A72000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/856-6-0x0000000003BC0000-0x0000000003BC1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/856-20-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-33-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-35-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-38-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-39-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-41-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-44-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-46-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-47-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-48-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-51-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-52-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-59-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-61-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-62-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-64-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-65-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-67-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-68-0x0000000003A70000-0x0000000003A72000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/856-29-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/856-1-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB