Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 19:30

General

  • Target

    56676839d1325a3d51d478f79d292b32_JaffaCakes118.dll

  • Size

    5.0MB

  • MD5

    56676839d1325a3d51d478f79d292b32

  • SHA1

    c8b24b041661f8a1f4b16691d8973961ab4a7fd4

  • SHA256

    f73ef92a463852a6ab8e141805a52a85dba0ce251d8e1a2b3dc27412c25e4806

  • SHA512

    880b4e1498285f6da929dc8001665e5e72ba3e6c16fc57d819429ac595fb4253789d38f5c457a7b5d3c374f3dedbd3aaaf4621f5a8e3e25279d46c571007e5eb

  • SSDEEP

    12288:n6bLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+Dx:6bLgddQhfdmMSirYbcMNgef0

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3329) 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:608
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:788
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:1016
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:668
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:780
              • C:\Windows\system32\wbem\unsecapp.exe
                C:\Windows\system32\wbem\unsecapp.exe -Embedding
                2⤵
                  PID:3188
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  2⤵
                    PID:3848
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    2⤵
                      PID:3976
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      2⤵
                        PID:4064
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        2⤵
                          PID:1512
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          2⤵
                            PID:4204
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:4536
                            • C:\Windows\system32\SppExtComObj.exe
                              C:\Windows\system32\SppExtComObj.exe -Embedding
                              2⤵
                                PID:3580
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                2⤵
                                  PID:4492
                                • 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:4616
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    2⤵
                                      PID:812
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      2⤵
                                        PID:3272
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        2⤵
                                          PID:404
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          2⤵
                                            PID:5052
                                        • C:\Windows\system32\fontdrvhost.exe
                                          "fontdrvhost.exe"
                                          1⤵
                                            PID:796
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k RPCSS -p
                                            1⤵
                                              PID:896
                                            • 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:408
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                  1⤵
                                                    PID:996
                                                  • C:\Windows\System32\svchost.exe
                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                    1⤵
                                                      PID:912
                                                    • C:\Windows\System32\svchost.exe
                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                      1⤵
                                                        PID:1136
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                        1⤵
                                                          PID:1144
                                                          • C:\Windows\system32\taskhostw.exe
                                                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                            2⤵
                                                              PID:2688
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                            1⤵
                                                              PID:1152
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                              1⤵
                                                                PID:1164
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                1⤵
                                                                  PID:1252
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                  1⤵
                                                                    PID:1312
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                    1⤵
                                                                      PID:1324
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                      1⤵
                                                                        PID:1436
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                        1⤵
                                                                          PID:1456
                                                                          • C:\Windows\system32\sihost.exe
                                                                            sihost.exe
                                                                            2⤵
                                                                              PID:2556
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                            1⤵
                                                                              PID:1580
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                              1⤵
                                                                                PID:1592
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                1⤵
                                                                                  PID:1648
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                  1⤵
                                                                                    PID:1716
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                    1⤵
                                                                                      PID:1748
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                      1⤵
                                                                                        PID:1820
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                        1⤵
                                                                                          PID:1960
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                          1⤵
                                                                                            PID:1972
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                            1⤵
                                                                                              PID:1064
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                              1⤵
                                                                                                PID:1472
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                1⤵
                                                                                                  PID:1840
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                  1⤵
                                                                                                    PID:2072
                                                                                                  • C:\Windows\System32\spoolsv.exe
                                                                                                    C:\Windows\System32\spoolsv.exe
                                                                                                    1⤵
                                                                                                      PID:2168
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                      1⤵
                                                                                                        PID:2236
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                        1⤵
                                                                                                          PID:2276
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                          1⤵
                                                                                                            PID:2348
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                            1⤵
                                                                                                              PID:2588
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                              1⤵
                                                                                                                PID:2648
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                                1⤵
                                                                                                                  PID:2656
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                                                  1⤵
                                                                                                                    PID:2680
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                                    1⤵
                                                                                                                      PID:2852
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                      1⤵
                                                                                                                        PID:2916
                                                                                                                      • C:\Windows\sysmon.exe
                                                                                                                        C:\Windows\sysmon.exe
                                                                                                                        1⤵
                                                                                                                          PID:2924
                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                          1⤵
                                                                                                                            PID:2940
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                            1⤵
                                                                                                                              PID:2956
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                              1⤵
                                                                                                                                PID:3300
                                                                                                                              • C:\Windows\Explorer.EXE
                                                                                                                                C:\Windows\Explorer.EXE
                                                                                                                                1⤵
                                                                                                                                  PID:3480
                                                                                                                                  • C:\Windows\system32\rundll32.exe
                                                                                                                                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\56676839d1325a3d51d478f79d292b32_JaffaCakes118.dll,#1
                                                                                                                                    2⤵
                                                                                                                                    • Suspicious use of WriteProcessMemory
                                                                                                                                    PID:916
                                                                                                                                    • C:\Windows\SysWOW64\rundll32.exe
                                                                                                                                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\56676839d1325a3d51d478f79d292b32_JaffaCakes118.dll,#1
                                                                                                                                      3⤵
                                                                                                                                      • Drops file in Windows directory
                                                                                                                                      • Suspicious use of WriteProcessMemory
                                                                                                                                      PID:2400
                                                                                                                                      • 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:3216
                                                                                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                          C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1416
                                                                                                                                          5⤵
                                                                                                                                          • Program crash
                                                                                                                                          PID:2608
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                                  1⤵
                                                                                                                                    PID:3644
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                    1⤵
                                                                                                                                      PID:3752
                                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                      1⤵
                                                                                                                                        PID:904
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                        1⤵
                                                                                                                                          PID:1352
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                          1⤵
                                                                                                                                            PID:4028
                                                                                                                                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                            1⤵
                                                                                                                                              PID:3684
                                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                              1⤵
                                                                                                                                                PID:3944
                                                                                                                                              • 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:692
                                                                                                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3216 -ip 3216
                                                                                                                                                1⤵
                                                                                                                                                  PID:4560

                                                                                                                                                Network

                                                                                                                                                MITRE ATT&CK Enterprise v15

                                                                                                                                                Replay Monitor

                                                                                                                                                Loading Replay Monitor...

                                                                                                                                                Downloads

                                                                                                                                                • C:\Windows\mssecsvc.exe

                                                                                                                                                  Filesize

                                                                                                                                                  3.6MB

                                                                                                                                                  MD5

                                                                                                                                                  33f61e96560dac487704a979691d0643

                                                                                                                                                  SHA1

                                                                                                                                                  62cc63f85ba81f4e93218951766626b316e64270

                                                                                                                                                  SHA256

                                                                                                                                                  085f4b0e113d68fe8559119f38d67d0e3b1975b55df28f645fcb1cd260939982

                                                                                                                                                  SHA512

                                                                                                                                                  09c3dbb906d552ae0aa39d38f0c62bebe288c04187d71aebe688a6e9f37ab515650b7a199dd1bd6600c4d9737f25259ea3ecf786e8e451a42f7198d38d0c36ad

                                                                                                                                                • memory/692-11-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  6.4MB

                                                                                                                                                • memory/3216-9-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  48KB

                                                                                                                                                • memory/3216-8-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  48KB

                                                                                                                                                • memory/3216-7-0x00000000776D3000-0x00000000776D4000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  4KB

                                                                                                                                                • memory/3216-6-0x00000000776D2000-0x00000000776D3000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  4KB

                                                                                                                                                • memory/3216-5-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  48KB

                                                                                                                                                • memory/3216-4-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  6.4MB

                                                                                                                                                • memory/3216-14-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  48KB

                                                                                                                                                • memory/3216-13-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  48KB

                                                                                                                                                • memory/3216-12-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  48KB

                                                                                                                                                • memory/3216-16-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  48KB

                                                                                                                                                • memory/3216-19-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  48KB

                                                                                                                                                • memory/3216-22-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  6.4MB