Analysis

  • max time kernel
    122s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 21:08

General

  • Target

    81c51e966e0deed9c1dccd6807dadc42_JaffaCakes118.exe

  • Size

    100KB

  • MD5

    81c51e966e0deed9c1dccd6807dadc42

  • SHA1

    baabc7a06827bb9b829de9c9eca873e66e13354d

  • SHA256

    33aac19829b5d43e12a35f9a0811cb163715f65c949e39629d8605bc9f8911f9

  • SHA512

    5b701798e692451587d01c23daa3bf907ad0cf731f799392d32174d2469341e23c5e85d675aff05649ff9fc077866708bfe2ab7e7dad21e5560c2d78dd2e3ded

  • SSDEEP

    1536:jXSlEFlx8HNUJf0bu+xT1Nl1DYKkrlvcgm9lZuU9SsZmkU6+:jXhFzabhPWKkrlvcgmL8d6+

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 3 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
  • UPX packed file 38 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 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:392
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2688
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2716
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3024
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Users\Admin\AppData\Local\Temp\81c51e966e0deed9c1dccd6807dadc42_JaffaCakes118.exe
                    "C:\Users\Admin\AppData\Local\Temp\81c51e966e0deed9c1dccd6807dadc42_JaffaCakes118.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
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4540
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3604
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3792
                    • 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\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4012
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3084
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3448
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:5088
                              • 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:400
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2632
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:3500
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:4820
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4824
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:2044

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • F:\jwyxn.exe
                                            Filesize

                                            100KB

                                            MD5

                                            fef5d4aaaaa6d6c3c88e455d336263ba

                                            SHA1

                                            1a532dc94d75f4de918f28b00a8d88fe08e755d7

                                            SHA256

                                            59e6b71d8b846dcb9486bd60d2574ecad17991223e854bf6d3d2a4be42e39808

                                            SHA512

                                            af986680fc4c07d83e4a87a16fe9d1698389bf7985bf2e19ae69bad17e3bf31d58f14a7b4b1e53e4eaf600699efcceedf4d39d878b696982e0131d6462e47410

                                          • memory/4540-25-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-7-0x00000000034F0000-0x00000000034F1000-memory.dmp
                                            Filesize

                                            4KB

                                          • memory/4540-3-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-0-0x0000000000400000-0x0000000000416000-memory.dmp
                                            Filesize

                                            88KB

                                          • memory/4540-5-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-10-0x00000000034E0000-0x00000000034E2000-memory.dmp
                                            Filesize

                                            8KB

                                          • memory/4540-9-0x00000000034E0000-0x00000000034E2000-memory.dmp
                                            Filesize

                                            8KB

                                          • memory/4540-6-0x00000000034E0000-0x00000000034E2000-memory.dmp
                                            Filesize

                                            8KB

                                          • memory/4540-11-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-8-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-23-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-12-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-26-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-15-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-16-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-17-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-18-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-19-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-21-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-22-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-13-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-4-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-14-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-28-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-30-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-33-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-35-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-37-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-39-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-41-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-43-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-50-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-52-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-53-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-56-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-58-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-60-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-61-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-62-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-64-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-66-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-67-0x00000000034E0000-0x00000000034E2000-memory.dmp
                                            Filesize

                                            8KB

                                          • memory/4540-70-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB

                                          • memory/4540-1-0x00000000022C0000-0x000000000334E000-memory.dmp
                                            Filesize

                                            16.6MB