Analysis

  • max time kernel
    150s
  • 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
    24/05/2024, 04:57

General

  • Target
    6d669729126ad6976dc3b61ffe0177df_JaffaCakes118.dll
  • Size 5.0MB
  • Sample240524-flea9sec33
  • SHA256 13db461f36f81669fb27d074f45e02bf945a5ea5e0c8d028c3e960abde88b727
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3316) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Executes dropped EXE 2 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:620
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:780
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:392
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:672
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:784
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch -p
              1⤵
                PID:800
                • C:\Windows\system32\wbem\unsecapp.exe
                  C:\Windows\system32\wbem\unsecapp.exe -Embedding
                  2⤵
                    PID:3192
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    2⤵
                      PID:3892
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      2⤵
                        PID:4028
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:4092
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          2⤵
                            PID:3444
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:3556
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              2⤵
                                PID:2488
                              • C:\Windows\system32\SppExtComObj.exe
                                C:\Windows\system32\SppExtComObj.exe -Embedding
                                2⤵
                                  PID:5064
                                • C:\Windows\system32\DllHost.exe
                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                  2⤵
                                    PID:4844
                                  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                    2⤵
                                      PID:1612
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                      2⤵
                                        PID:4388
                                      • C:\Windows\system32\backgroundTaskHost.exe
                                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                        2⤵
                                          PID:1844
                                        • C:\Windows\system32\BackgroundTaskHost.exe
                                          "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                          2⤵
                                            PID:2624
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            2⤵
                                              PID:216
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k RPCSS -p
                                            1⤵
                                              PID:908
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                              1⤵
                                                PID:956
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                1⤵
                                                  PID:416
                                                • C:\Windows\System32\svchost.exe
                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                  1⤵
                                                    PID:400
                                                  • C:\Windows\System32\svchost.exe
                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                    1⤵
                                                      PID:1048
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                      1⤵
                                                        PID:1100
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                        1⤵
                                                          PID:1156
                                                        • C:\Windows\System32\svchost.exe
                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                          1⤵
                                                            PID:1164
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                            1⤵
                                                              PID:1172
                                                              • C:\Windows\system32\taskhostw.exe
                                                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                                2⤵
                                                                  PID:2836
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                1⤵
                                                                  PID:1248
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                  1⤵
                                                                    PID:1284
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                    1⤵
                                                                      PID:1436
                                                                      • C:\Windows\system32\sihost.exe
                                                                        sihost.exe
                                                                        2⤵
                                                                          PID:2684
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                        1⤵
                                                                          PID:1448
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                          1⤵
                                                                            PID:1460
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                            1⤵
                                                                              PID:1500
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                              1⤵
                                                                                PID:1512
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                1⤵
                                                                                  PID:1684
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                  1⤵
                                                                                    PID:1700
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                    1⤵
                                                                                      PID:1768
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                      1⤵
                                                                                        PID:1808
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                        1⤵
                                                                                          PID:1852
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                          1⤵
                                                                                            PID:2028
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                            1⤵
                                                                                              PID:2036
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                              1⤵
                                                                                                PID:1204
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                1⤵
                                                                                                  PID:1760
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                                  1⤵
                                                                                                    PID:2064
                                                                                                  • C:\Windows\System32\spoolsv.exe
                                                                                                    C:\Windows\System32\spoolsv.exe
                                                                                                    1⤵
                                                                                                      PID:2100
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                      1⤵
                                                                                                        PID:2160
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                        1⤵
                                                                                                          PID:2216
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                          1⤵
                                                                                                            PID:2328
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                            1⤵
                                                                                                              PID:2544
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                              1⤵
                                                                                                                PID:2552
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                                1⤵
                                                                                                                  PID:2696
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                                  1⤵
                                                                                                                    PID:2784
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                    1⤵
                                                                                                                      PID:2828
                                                                                                                    • C:\Windows\sysmon.exe
                                                                                                                      C:\Windows\sysmon.exe
                                                                                                                      1⤵
                                                                                                                        PID:2872
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                        1⤵
                                                                                                                          PID:2904
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                          1⤵
                                                                                                                            PID:2924
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                                                            1⤵
                                                                                                                              PID:2936
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                              1⤵
                                                                                                                                PID:3468
                                                                                                                              • C:\Windows\Explorer.EXE
                                                                                                                                C:\Windows\Explorer.EXE
                                                                                                                                1⤵
                                                                                                                                  PID:3528
                                                                                                                                  • C:\Windows\system32\rundll32.exe
                                                                                                                                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d669729126ad6976dc3b61ffe0177df_JaffaCakes118.dll,#1
                                                                                                                                    2⤵
                                                                                                                                    • Suspicious use of WriteProcessMemory
                                                                                                                                    PID:2884
                                                                                                                                    • C:\Windows\SysWOW64\rundll32.exe
                                                                                                                                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d669729126ad6976dc3b61ffe0177df_JaffaCakes118.dll,#1
                                                                                                                                      3⤵
                                                                                                                                      • Drops file in Windows directory
                                                                                                                                      • Suspicious use of WriteProcessMemory
                                                                                                                                      PID:1904
                                                                                                                                      • C:\WINDOWS\mssecsvc.exe
                                                                                                                                        C:\WINDOWS\mssecsvc.exe
                                                                                                                                        4⤵
                                                                                                                                        • Modifies firewall policy service
                                                                                                                                        • Executes dropped EXE
                                                                                                                                        • Drops file in Windows directory
                                                                                                                                        • Suspicious behavior: EnumeratesProcesses
                                                                                                                                        • Suspicious behavior: MapViewOfSection
                                                                                                                                        • Suspicious use of AdjustPrivilegeToken
                                                                                                                                        • Suspicious use of WriteProcessMemory
                                                                                                                                        PID:1388
                                                                                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                          C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 1424
                                                                                                                                          5⤵
                                                                                                                                          • Program crash
                                                                                                                                          PID:2184
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                                  1⤵
                                                                                                                                    PID:3696
                                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                    1⤵
                                                                                                                                      PID:864
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                      1⤵
                                                                                                                                        PID:2720
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                        1⤵
                                                                                                                                          PID:1496
                                                                                                                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                          1⤵
                                                                                                                                            PID:4248
                                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                                            C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                            1⤵
                                                                                                                                              PID:3668
                                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                              1⤵
                                                                                                                                                PID:4072
                                                                                                                                              • C:\WINDOWS\mssecsvc.exe
                                                                                                                                                C:\WINDOWS\mssecsvc.exe -m security
                                                                                                                                                1⤵
                                                                                                                                                • Executes dropped EXE
                                                                                                                                                • Modifies data under HKEY_USERS
                                                                                                                                                • Suspicious behavior: EnumeratesProcesses
                                                                                                                                                • Suspicious use of AdjustPrivilegeToken
                                                                                                                                                PID:3840
                                                                                                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1388 -ip 1388
                                                                                                                                                1⤵
                                                                                                                                                  PID:3316

                                                                                                                                                Network

                                                                                                                                                      MITRE ATT&CK Enterprise v15

                                                                                                                                                      Replay Monitor

                                                                                                                                                      Loading Replay Monitor...

                                                                                                                                                      Downloads

                                                                                                                                                      mssecsvc.exe

                                                                                                                                                      • Path C:\Windows\mssecsvc.exe
                                                                                                                                                      • Size 3.6MB
                                                                                                                                                      • SHA256 91fbaaa9857dab4f587f5228390bd930e54356fe2239031a7ee7479366ddd1e8
                                                                                                                                                      • MD5 SHA1 SHA512 SSDEEP

                                                                                                                                                      memory/1388-4-0x0000000000400000-0x0000000000A73000-memory.dmp

                                                                                                                                                      memory/1388-5-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                      memory/1388-7-0x0000000077AF3000-0x0000000077AF4000-memory.dmp

                                                                                                                                                      memory/1388-6-0x0000000077AF2000-0x0000000077AF3000-memory.dmp

                                                                                                                                                      memory/1388-8-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                      memory/1388-10-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                      memory/1388-11-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                      memory/1388-13-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                      memory/1388-15-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                      memory/1388-17-0x0000000000400000-0x0000000000A73000-memory.dmp