Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220718-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2022, 03:27

General

  • Target
    faed32ee420704e18792dadaade82c2d.dll
  • Size 5.0MB
  • Sample220720-dzrseabdb2
  • SHA256 a60b47e8c834aa97ddda9bd70dd41d8dc61649fd878ea913bc242ae79fe8cc77
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3304) 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
  • 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\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:668
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:576
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:1008
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            2⤵
              PID:764
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:760
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
              1⤵
                PID:624
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                1⤵
                  PID:1232
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                  1⤵
                    PID:1644
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                    1⤵
                      PID:1992
                    • C:\Windows\System32\spoolsv.exe
                      C:\Windows\System32\spoolsv.exe
                      1⤵
                        PID:2088
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                        1⤵
                          PID:2384
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                          1⤵
                            PID:2640
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                            1⤵
                              PID:2676
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              1⤵
                                PID:3388
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3456
                                • C:\Windows\system32\DllHost.exe
                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                  1⤵
                                    PID:3304
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                    1⤵
                                      PID:1244
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                      1⤵
                                        PID:1876
                                      • C:\Windows\System32\svchost.exe
                                        C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                        1⤵
                                          PID:2312
                                        • C:\Windows\system32\SppExtComObj.exe
                                          C:\Windows\system32\SppExtComObj.exe -Embedding
                                          1⤵
                                            PID:632
                                          • C:\Windows\system32\wbem\wmiprvse.exe
                                            C:\Windows\system32\wbem\wmiprvse.exe
                                            1⤵
                                              PID:1888
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                              1⤵
                                                PID:4248
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                1⤵
                                                  PID:5088
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                  1⤵
                                                    PID:4144
                                                  • C:\Windows\system32\DllHost.exe
                                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                    1⤵
                                                      PID:3968
                                                    • C:\Windows\System32\RuntimeBroker.exe
                                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                      1⤵
                                                        PID:3668
                                                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                        1⤵
                                                          PID:3540
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                          1⤵
                                                            PID:3084
                                                          • C:\Windows\Explorer.EXE
                                                            C:\Windows\Explorer.EXE
                                                            1⤵
                                                              PID:380
                                                              • C:\Windows\system32\rundll32.exe
                                                                rundll32.exe C:\Users\Admin\AppData\Local\Temp\faed32ee420704e18792dadaade82c2d.dll,#1
                                                                2⤵
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:5100
                                                                • C:\Windows\SysWOW64\rundll32.exe
                                                                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\faed32ee420704e18792dadaade82c2d.dll,#1
                                                                  3⤵
                                                                  • Drops file in Windows directory
                                                                  • Suspicious use of WriteProcessMemory
                                                                  PID:1032
                                                                  • 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:992
                                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                                      C:\Windows\SysWOW64\WerFault.exe -u -p 992 -s 1324
                                                                      5⤵
                                                                      • Program crash
                                                                      PID:4204
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                              1⤵
                                                                PID:2668
                                                              • C:\Windows\System32\svchost.exe
                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                1⤵
                                                                  PID:2656
                                                                • C:\Windows\system32\taskhostw.exe
                                                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                                  1⤵
                                                                    PID:2584
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                    1⤵
                                                                      PID:2576
                                                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                      1⤵
                                                                        PID:2568
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                        1⤵
                                                                          PID:2476
                                                                        • C:\Windows\system32\sihost.exe
                                                                          sihost.exe
                                                                          1⤵
                                                                            PID:2424
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                            1⤵
                                                                              PID:2376
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                              1⤵
                                                                                PID:2172
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                1⤵
                                                                                  PID:2156
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                  1⤵
                                                                                    PID:2136
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                    1⤵
                                                                                      PID:1328
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                      1⤵
                                                                                        PID:2016
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                        1⤵
                                                                                          PID:1964
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                          1⤵
                                                                                            PID:1796
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                            1⤵
                                                                                              PID:1788
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                              1⤵
                                                                                                PID:1668
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                1⤵
                                                                                                  PID:1624
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                  1⤵
                                                                                                    PID:1568
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                    1⤵
                                                                                                      PID:1560
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                      1⤵
                                                                                                        PID:1444
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                        1⤵
                                                                                                          PID:1424
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                          1⤵
                                                                                                            PID:1404
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                            1⤵
                                                                                                              PID:1308
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                              1⤵
                                                                                                                PID:1280
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                1⤵
                                                                                                                  PID:1156
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                  1⤵
                                                                                                                    PID:1120
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                    1⤵
                                                                                                                      PID:1084
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                      1⤵
                                                                                                                        PID:1076
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                        1⤵
                                                                                                                          PID:860
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                                                                                          1⤵
                                                                                                                            PID:404
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                            1⤵
                                                                                                                              PID:940
                                                                                                                            • 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
                                                                                                                                1⤵
                                                                                                                                  PID:784
                                                                                                                                • C:\WINDOWS\mssecsvc.exe
                                                                                                                                  C:\WINDOWS\mssecsvc.exe -m security
                                                                                                                                  1⤵
                                                                                                                                  • Executes dropped EXE
                                                                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                                                                  • Suspicious behavior: MapViewOfSection
                                                                                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                                                                                  PID:4640
                                                                                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 992 -ip 992
                                                                                                                                  1⤵
                                                                                                                                    PID:8

                                                                                                                                  Network

                                                                                                                                        MITRE ATT&CK Enterprise v6

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        mssecsvc.exe

                                                                                                                                        • Path C:\WINDOWS\mssecsvc.exe
                                                                                                                                        • Size 3.6MB
                                                                                                                                        • SHA256 9c415ab9b62fd48ccc69ac52bb02e2434251e2bf284c0fa8c3ce4e92a8491181
                                                                                                                                        • MD5 SHA1 SHA512 SSDEEP

                                                                                                                                        mssecsvc.exe

                                                                                                                                        • Path C:\Windows\mssecsvc.exe
                                                                                                                                        • Size 3.6MB
                                                                                                                                        • SHA256 9c415ab9b62fd48ccc69ac52bb02e2434251e2bf284c0fa8c3ce4e92a8491181
                                                                                                                                        • MD5 SHA1 SHA512 SSDEEP

                                                                                                                                        mssecsvc.exe

                                                                                                                                        • Path C:\Windows\mssecsvc.exe
                                                                                                                                        • Size 3.6MB
                                                                                                                                        • SHA256 9c415ab9b62fd48ccc69ac52bb02e2434251e2bf284c0fa8c3ce4e92a8491181
                                                                                                                                        • MD5 SHA1 SHA512 SSDEEP

                                                                                                                                        memory/992-135-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                        memory/992-137-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                        memory/992-138-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                        memory/992-139-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                        memory/4640-136-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                        memory/4640-140-0x0000000000400000-0x0000000000A72000-memory.dmp