Resubmissions

10-10-2024 22:54

241010-2vqasa1cqh 10

10-10-2024 22:13

241010-15kmlsvcqr 10

Analysis

  • max time kernel
    78s
  • max time network
    78s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-10-2024 22:54

General

  • Target

    2024-10-10_b92310463713e2a2ac8fa41f2ba0619b_wannacry.exe

  • Size

    3.6MB

  • MD5

    b92310463713e2a2ac8fa41f2ba0619b

  • SHA1

    7faa9d19f6398d11783f0f6ca508c9df96887533

  • SHA256

    5e0c74fc250d0a22a9dac68f29f3d9dcda2988687d88324bd9227d9d7c9dc8e2

  • SHA512

    a0d9abe20f6f26a59c60b01a0b76dd1995997e625474418ce8d88ff1a9c74e71b5e57825def9829a92f2e49e9bda03e931f815616d6e37649fcdd74fab7e3459

  • SSDEEP

    12288:BlbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DCw/N:DbLgddQhfdmMSirYbcMNgef0Xw

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (1265) amount of remote hosts 1 TTPs

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

  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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:632
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:828
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:464
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:684
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:800
              • C:\Windows\system32\wbem\unsecapp.exe
                C:\Windows\system32\wbem\unsecapp.exe -Embedding
                2⤵
                  PID:792
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  2⤵
                    PID:3724
                  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                    2⤵
                      PID:3732
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      2⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:3900
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          2⤵
                            PID:3948
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}
                            2⤵
                              PID:4304
                            • C:\Windows\system32\SppExtComObj.exe
                              C:\Windows\system32\SppExtComObj.exe -Embedding
                              2⤵
                                PID:3780
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                2⤵
                                  PID:4948
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  2⤵
                                    PID:4544
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:Global.IrisService.AppXwt29n3t7x7q6fgyrrbbqxwzkqjfjaw4y.mca
                                    2⤵
                                      PID:1396
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      2⤵
                                        PID:1580
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:820
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k RPCSS -p
                                        1⤵
                                          PID:920
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                          1⤵
                                            PID:984
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                            1⤵
                                              PID:752
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                              1⤵
                                                PID:440
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                1⤵
                                                  PID:1044
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                  1⤵
                                                    PID:1100
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                    1⤵
                                                      PID:1132
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                      1⤵
                                                        PID:1168
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k netprofm -p -s netprofm
                                                        1⤵
                                                          PID:1216
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                          1⤵
                                                            PID:1256
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                            1⤵
                                                              PID:1316
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                              1⤵
                                                                PID:1388
                                                              • C:\Windows\System32\svchost.exe
                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                1⤵
                                                                  PID:1416
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                  1⤵
                                                                    PID:1484
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                    1⤵
                                                                      PID:1500
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                      1⤵
                                                                        PID:1600
                                                                        • C:\Windows\system32\sihost.exe
                                                                          sihost.exe
                                                                          2⤵
                                                                            PID:2524
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                          1⤵
                                                                            PID:1664
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k NetworkService -p
                                                                            1⤵
                                                                              PID:1712
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                              1⤵
                                                                                PID:1800
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                1⤵
                                                                                  PID:1808
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                  1⤵
                                                                                    PID:1916
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                    1⤵
                                                                                      PID:1740
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                      1⤵
                                                                                        PID:1792
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                        1⤵
                                                                                          PID:1776
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                          1⤵
                                                                                            PID:2064
                                                                                          • C:\Windows\System32\spoolsv.exe
                                                                                            C:\Windows\System32\spoolsv.exe
                                                                                            1⤵
                                                                                              PID:2128
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                              1⤵
                                                                                                PID:2204
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                1⤵
                                                                                                  PID:2228
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                  1⤵
                                                                                                    PID:2300
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                    1⤵
                                                                                                      PID:2548
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                      1⤵
                                                                                                        PID:2556
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p
                                                                                                        1⤵
                                                                                                          PID:2604
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                          1⤵
                                                                                                            PID:2652
                                                                                                          • C:\Windows\sysmon.exe
                                                                                                            C:\Windows\sysmon.exe
                                                                                                            1⤵
                                                                                                              PID:2688
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                              1⤵
                                                                                                                PID:2696
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                1⤵
                                                                                                                  PID:2724
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                                                  1⤵
                                                                                                                    PID:2744
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                    1⤵
                                                                                                                      PID:2784
                                                                                                                    • C:\Windows\Explorer.EXE
                                                                                                                      C:\Windows\Explorer.EXE
                                                                                                                      1⤵
                                                                                                                        PID:3172
                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\2024-10-10_b92310463713e2a2ac8fa41f2ba0619b_wannacry.exe
                                                                                                                          "C:\Users\Admin\AppData\Local\Temp\2024-10-10_b92310463713e2a2ac8fa41f2ba0619b_wannacry.exe"
                                                                                                                          2⤵
                                                                                                                          • Modifies firewall policy service
                                                                                                                          • Drops file in Windows directory
                                                                                                                          • System Location Discovery: System Language Discovery
                                                                                                                          • Suspicious behavior: EnumeratesProcesses
                                                                                                                          • Suspicious behavior: MapViewOfSection
                                                                                                                          • Suspicious use of AdjustPrivilegeToken
                                                                                                                          • Suspicious use of WriteProcessMemory
                                                                                                                          PID:4048
                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 1460
                                                                                                                            3⤵
                                                                                                                            • Program crash
                                                                                                                            PID:2404
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                        1⤵
                                                                                                                          PID:3416
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
                                                                                                                          1⤵
                                                                                                                            PID:3440
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
                                                                                                                            1⤵
                                                                                                                              PID:4004
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k osprivacy -p -s camsvc
                                                                                                                              1⤵
                                                                                                                                PID:4356
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                1⤵
                                                                                                                                  PID:4420
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                                  1⤵
                                                                                                                                    PID:4268
                                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                    1⤵
                                                                                                                                      PID:1200
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                      1⤵
                                                                                                                                        PID:4820
                                                                                                                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                        1⤵
                                                                                                                                          PID:4808
                                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                                          C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                          1⤵
                                                                                                                                            PID:4496
                                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
                                                                                                                                            1⤵
                                                                                                                                              PID:2252
                                                                                                                                            • C:\Users\Admin\AppData\Local\Temp\2024-10-10_b92310463713e2a2ac8fa41f2ba0619b_wannacry.exe
                                                                                                                                              C:\Users\Admin\AppData\Local\Temp\2024-10-10_b92310463713e2a2ac8fa41f2ba0619b_wannacry.exe -m security
                                                                                                                                              1⤵
                                                                                                                                              • System Location Discovery: System Language Discovery
                                                                                                                                              • Modifies data under HKEY_USERS
                                                                                                                                              • Suspicious behavior: EnumeratesProcesses
                                                                                                                                              • Suspicious use of AdjustPrivilegeToken
                                                                                                                                              PID:1252
                                                                                                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4048 -ip 4048
                                                                                                                                              1⤵
                                                                                                                                                PID:3104

                                                                                                                                              Network

                                                                                                                                              MITRE ATT&CK Enterprise v15

                                                                                                                                              Replay Monitor

                                                                                                                                              Loading Replay Monitor...

                                                                                                                                              Downloads

                                                                                                                                              • memory/4048-0-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                6.5MB

                                                                                                                                              • memory/4048-1-0x000000007FE70000-0x000000007FE7C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4048-3-0x0000000076FE5000-0x0000000076FE6000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                4KB

                                                                                                                                              • memory/4048-2-0x0000000076FE4000-0x0000000076FE5000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                4KB

                                                                                                                                              • memory/4048-4-0x000000007FE70000-0x000000007FE7C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4048-5-0x000000007FE70000-0x000000007FE7C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4048-6-0x000000007FE60000-0x000000007FE6C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4048-8-0x000000007FE60000-0x000000007FE6C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4048-7-0x000000007FE60000-0x000000007FE6C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4048-13-0x000000007FE60000-0x000000007FE6C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4048-10-0x000000007FE70000-0x000000007FE7C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4048-16-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                6.5MB