Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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 03:06

General

  • Target

    58b38e38995dd82b340de1d5380dce3e.dll

  • Size

    5.0MB

  • MD5

    58b38e38995dd82b340de1d5380dce3e

  • SHA1

    5dbb27635740c905d01cd14a604688387837dc7c

  • SHA256

    69d11b63913d84025f1469123b83bb21066a274f2240f87e119f49362abbc9ca

  • SHA512

    6fb641ce5871dd7939df1bf95617f0fba74b8caff03f12c37e281d61fc5ce42d2664c232baafbc91e28df75953de9154acaaba271a2598eae9cb702f2a7c2ed6

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3278) 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\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:652
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:572
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:1020
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            2⤵
              PID:772
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:764
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k RPCSS -p
              1⤵
                PID:888
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                1⤵
                  PID:948
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                  1⤵
                    PID:500
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                    1⤵
                      PID:988
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                      1⤵
                        PID:1188
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                        1⤵
                          PID:1416
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                          1⤵
                            PID:1680
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                            1⤵
                              PID:1820
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                              1⤵
                                PID:1996
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                1⤵
                                  PID:2396
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                  1⤵
                                    PID:2660
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                    1⤵
                                      PID:2700
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3452
                                      • C:\Windows\system32\wbem\wmiprvse.exe
                                        C:\Windows\system32\wbem\wmiprvse.exe
                                        1⤵
                                          PID:4464
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                          1⤵
                                            PID:704
                                          • C:\Windows\System32\svchost.exe
                                            C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                            1⤵
                                              PID:2368
                                            • C:\Windows\system32\SppExtComObj.exe
                                              C:\Windows\system32\SppExtComObj.exe -Embedding
                                              1⤵
                                                PID:1436
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                1⤵
                                                  PID:4652
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                  1⤵
                                                    PID:1096
                                                  • C:\Windows\System32\svchost.exe
                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                    1⤵
                                                      PID:4072
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                      1⤵
                                                        PID:4392
                                                      • C:\Windows\system32\DllHost.exe
                                                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                        1⤵
                                                          PID:2072
                                                        • C:\Windows\System32\RuntimeBroker.exe
                                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                          1⤵
                                                            PID:3708
                                                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                            1⤵
                                                              PID:3544
                                                            • 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\DllHost.exe
                                                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                                1⤵
                                                                  PID:3284
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                  1⤵
                                                                    PID:3092
                                                                  • C:\Windows\Explorer.EXE
                                                                    C:\Windows\Explorer.EXE
                                                                    1⤵
                                                                      PID:2672
                                                                      • C:\Windows\system32\rundll32.exe
                                                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\58b38e38995dd82b340de1d5380dce3e.dll,#1
                                                                        2⤵
                                                                        • Suspicious use of WriteProcessMemory
                                                                        PID:4664
                                                                        • C:\Windows\SysWOW64\rundll32.exe
                                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\58b38e38995dd82b340de1d5380dce3e.dll,#1
                                                                          3⤵
                                                                          • Drops file in Windows directory
                                                                          • Suspicious use of WriteProcessMemory
                                                                          PID:4864
                                                                          • 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:4784
                                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                                              C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 1432
                                                                              5⤵
                                                                              • Program crash
                                                                              PID:3156
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                      1⤵
                                                                        PID:2692
                                                                      • C:\Windows\System32\svchost.exe
                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                        1⤵
                                                                          PID:2680
                                                                        • C:\Windows\system32\taskhostw.exe
                                                                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                                          1⤵
                                                                            PID:2628
                                                                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                            1⤵
                                                                              PID:2588
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                              1⤵
                                                                                PID:2580
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                1⤵
                                                                                  PID:2472
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                  1⤵
                                                                                    PID:2412
                                                                                  • C:\Windows\system32\sihost.exe
                                                                                    sihost.exe
                                                                                    1⤵
                                                                                      PID:2404
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                      1⤵
                                                                                        PID:2180
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                        1⤵
                                                                                          PID:2144
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                          1⤵
                                                                                            PID:2136
                                                                                          • C:\Windows\System32\spoolsv.exe
                                                                                            C:\Windows\System32\spoolsv.exe
                                                                                            1⤵
                                                                                              PID:1980
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                              1⤵
                                                                                                PID:1984
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                1⤵
                                                                                                  PID:1932
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                                  1⤵
                                                                                                    PID:1924
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                    1⤵
                                                                                                      PID:1812
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                      1⤵
                                                                                                        PID:1708
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                        1⤵
                                                                                                          PID:1672
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                          1⤵
                                                                                                            PID:1620
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                            1⤵
                                                                                                              PID:1480
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                              1⤵
                                                                                                                PID:1396
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                1⤵
                                                                                                                  PID:1364
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                  1⤵
                                                                                                                    PID:1296
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                    1⤵
                                                                                                                      PID:1272
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                      1⤵
                                                                                                                        PID:1228
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                        1⤵
                                                                                                                          PID:1076
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                          1⤵
                                                                                                                            PID:1052
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                            1⤵
                                                                                                                              PID:1044
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                              1⤵
                                                                                                                                PID:616
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                1⤵
                                                                                                                                  PID:788
                                                                                                                                • C:\WINDOWS\mssecsvc.exe
                                                                                                                                  C:\WINDOWS\mssecsvc.exe -m security
                                                                                                                                  1⤵
                                                                                                                                  • Executes dropped EXE
                                                                                                                                  • Modifies data under HKEY_USERS
                                                                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                                                                  • Suspicious behavior: MapViewOfSection
                                                                                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                                                                                  PID:4076
                                                                                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4784 -ip 4784
                                                                                                                                  1⤵
                                                                                                                                    PID:540

                                                                                                                                  Network

                                                                                                                                  MITRE ATT&CK Enterprise v6

                                                                                                                                  Replay Monitor

                                                                                                                                  Loading Replay Monitor...

                                                                                                                                  Downloads

                                                                                                                                  • C:\WINDOWS\mssecsvc.exe

                                                                                                                                    Filesize

                                                                                                                                    3.6MB

                                                                                                                                    MD5

                                                                                                                                    7a0f17d4ff9a7e47284befa83fd74ea3

                                                                                                                                    SHA1

                                                                                                                                    eff4acb8209d2c10fb10ab83a13e2a89ae9247d8

                                                                                                                                    SHA256

                                                                                                                                    41849f27e31c05d041eb5e33e4026f3361741d49be5c651fe69d0f621b782ada

                                                                                                                                    SHA512

                                                                                                                                    f0bd97a80a88042fb4ee90e8f5263ee67243a3c86463bb6cf70aef873ceec8e5b19499f915b9ed1433f0cac6586d840bd51b03b4d3a29c9396fb02d67b3e6190

                                                                                                                                  • C:\Windows\mssecsvc.exe

                                                                                                                                    Filesize

                                                                                                                                    3.6MB

                                                                                                                                    MD5

                                                                                                                                    7a0f17d4ff9a7e47284befa83fd74ea3

                                                                                                                                    SHA1

                                                                                                                                    eff4acb8209d2c10fb10ab83a13e2a89ae9247d8

                                                                                                                                    SHA256

                                                                                                                                    41849f27e31c05d041eb5e33e4026f3361741d49be5c651fe69d0f621b782ada

                                                                                                                                    SHA512

                                                                                                                                    f0bd97a80a88042fb4ee90e8f5263ee67243a3c86463bb6cf70aef873ceec8e5b19499f915b9ed1433f0cac6586d840bd51b03b4d3a29c9396fb02d67b3e6190

                                                                                                                                  • C:\Windows\mssecsvc.exe

                                                                                                                                    Filesize

                                                                                                                                    3.6MB

                                                                                                                                    MD5

                                                                                                                                    7a0f17d4ff9a7e47284befa83fd74ea3

                                                                                                                                    SHA1

                                                                                                                                    eff4acb8209d2c10fb10ab83a13e2a89ae9247d8

                                                                                                                                    SHA256

                                                                                                                                    41849f27e31c05d041eb5e33e4026f3361741d49be5c651fe69d0f621b782ada

                                                                                                                                    SHA512

                                                                                                                                    f0bd97a80a88042fb4ee90e8f5263ee67243a3c86463bb6cf70aef873ceec8e5b19499f915b9ed1433f0cac6586d840bd51b03b4d3a29c9396fb02d67b3e6190

                                                                                                                                  • memory/4076-137-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                    Filesize

                                                                                                                                    6.4MB

                                                                                                                                  • memory/4784-131-0x0000000000000000-mapping.dmp

                                                                                                                                  • memory/4784-136-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                    Filesize

                                                                                                                                    48KB

                                                                                                                                  • memory/4784-135-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                    Filesize

                                                                                                                                    6.4MB

                                                                                                                                  • memory/4784-138-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                    Filesize

                                                                                                                                    48KB

                                                                                                                                  • memory/4784-139-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                    Filesize

                                                                                                                                    6.4MB

                                                                                                                                  • memory/4864-130-0x0000000000000000-mapping.dmp