Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/04/2024, 11:49

General

  • Target

    f0fc9b23fe84d6cc28c72ab06a9f6af8_JaffaCakes118.exe

  • Size

    235KB

  • MD5

    f0fc9b23fe84d6cc28c72ab06a9f6af8

  • SHA1

    fbeafa476a2c3d3f0a2278ffc25260fc3358fee6

  • SHA256

    8f71b30d07fe2af96b83571d720dea3305929f06f127d5aaf3f49113d37ef7f3

  • SHA512

    fa2026c5bce3b4f86fa9694b8380dfd160302602a4d455ab6efd77f704c7df24b9cf31a5c3d683a0f2c33f3e5425f03665c706b5c8b9b6be110382ffd105b573

  • SSDEEP

    6144:6e948Gpl0PowJqQTv0kSEeFVSP8kCq6dcIYLJ:pPNJVDy1SP81qQbYF

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
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 11 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 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).

  • Suspicious behavior: EnumeratesProcesses 28 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:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2540
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2564
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2764
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3344
                  • C:\Users\Admin\AppData\Local\Temp\f0fc9b23fe84d6cc28c72ab06a9f6af8_JaffaCakes118.exe
                    "C:\Users\Admin\AppData\Local\Temp\f0fc9b23fe84d6cc28c72ab06a9f6af8_JaffaCakes118.exe"
                    2⤵
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Loads dropped DLL
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • 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:3944
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh firewall set opmode disable
                      3⤵
                      • Modifies Windows Firewall
                      PID:3184
                      • C:\Windows\System32\Conhost.exe
                        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                        4⤵
                          PID:4428
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                    1⤵
                      PID:3548
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3740
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3852
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3920
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:4004
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4076
                              • 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:5048
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:3916
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                    1⤵
                                      PID:1488
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                      1⤵
                                        PID:2316
                                      • C:\Windows\system32\backgroundTaskHost.exe
                                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                        1⤵
                                          PID:1764
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4896
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:3408

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\nsu3813.tmp\System.dll

                                              Filesize

                                              11KB

                                              MD5

                                              00a0194c20ee912257df53bfe258ee4a

                                              SHA1

                                              d7b4e319bc5119024690dc8230b9cc919b1b86b2

                                              SHA256

                                              dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

                                              SHA512

                                              3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

                                            • C:\Users\Admin\AppData\Local\Temp\nsu3813.tmp\nsDialogs.dll

                                              Filesize

                                              9KB

                                              MD5

                                              ab73c0c2a23f913eabdc4cb24b75cbad

                                              SHA1

                                              6569d2863d54c88dcf57c843fc310f6d9571a41e

                                              SHA256

                                              3d0060c5c9400a487dbefe4ac132dd96b07d3a4ba3badab46a7410a667c93457

                                              SHA512

                                              99d287b5152944f64edc7ce8f3ebcd294699e54a5b42ac7a88e27dff8a68278a5429f4d299802ee7ddbe290f1e3b6a372a5f3bb4ecb1a3c32e384bca3ccdb2b8

                                            • memory/3184-34-0x0000000001450000-0x0000000001451000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3184-37-0x0000000001440000-0x0000000001442000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3184-43-0x0000000001440000-0x0000000001442000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3944-30-0x0000000003DC0000-0x0000000003DC2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3944-41-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3944-6-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3944-29-0x00000000055D0000-0x00000000055D1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3944-33-0x0000000003DC0000-0x0000000003DC2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3944-0-0x0000000000400000-0x000000000045E000-memory.dmp

                                              Filesize

                                              376KB

                                            • memory/3944-3-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3944-1-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3944-42-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3944-22-0x0000000003DC0000-0x0000000003DC2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3944-56-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3944-59-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3944-74-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3944-78-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3944-89-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3944-94-0x0000000002270000-0x000000000329E000-memory.dmp

                                              Filesize

                                              16.2MB