Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-06-2024 11:23

General

  • Target

    2024-06-23_b41496a6c3e634019030ac6798ca3711_wannacry.exe

  • Size

    3.6MB

  • MD5

    b41496a6c3e634019030ac6798ca3711

  • SHA1

    1ad0991f76e5ba2931ec0d4274a263d5d6eef10f

  • SHA256

    6d03ccb3ebf7533a3d530061a02c26dcbabe30672e12c252cdc763454a6080d2

  • SHA512

    4f47d23768043e6af198a766f982ada06b855e48a952654319fde9c1c6cebbe2803a89232aa5548e4401306c88ac2dc93ba4564122e5b5055fdb21f9e67101df

  • SSDEEP

    98304:1DqPoBhz1aRpcSUDk36SAEdhvxWa9P593R8yAV6R:1DqPe1Cpcxk3ZAEUadzR8yca

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (2666) amount of remote hosts 1 TTPs

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

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

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:620
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:792
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:340
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:668
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:784
              • C:\Windows\system32\wbem\unsecapp.exe
                C:\Windows\system32\wbem\unsecapp.exe -Embedding
                2⤵
                  PID:2936
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  2⤵
                    PID:3824
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    2⤵
                      PID:3912
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      2⤵
                        PID:3976
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        2⤵
                          PID:4060
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          2⤵
                            PID:4144
                          • C:\Windows\system32\SppExtComObj.exe
                            C:\Windows\system32\SppExtComObj.exe -Embedding
                            2⤵
                              PID:4724
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              2⤵
                                PID:4476
                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                2⤵
                                  PID:3920
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  2⤵
                                    PID:2976
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:800
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                    1⤵
                                      PID:900
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                      1⤵
                                        PID:960
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                        1⤵
                                          PID:408
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s DsmSvc
                                          1⤵
                                            PID:664
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                            1⤵
                                              PID:1028
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                              1⤵
                                                PID:1036
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                1⤵
                                                  PID:1104
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                  1⤵
                                                    PID:1116
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                    1⤵
                                                      PID:1216
                                                      • C:\Windows\system32\taskhostw.exe
                                                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                        2⤵
                                                          PID:2740
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                        1⤵
                                                          PID:1224
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                          1⤵
                                                            PID:1276
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                            1⤵
                                                              PID:1284
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                              1⤵
                                                                PID:1324
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                1⤵
                                                                  PID:1464
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                  1⤵
                                                                    PID:1476
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                    1⤵
                                                                      PID:1484
                                                                      • C:\Windows\system32\sihost.exe
                                                                        sihost.exe
                                                                        2⤵
                                                                          PID:2616
                                                                      • 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 SENS
                                                                          1⤵
                                                                            PID:1672
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                            1⤵
                                                                              PID:1688
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                              1⤵
                                                                                PID:1740
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                1⤵
                                                                                  PID:1780
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                  1⤵
                                                                                    PID:1824
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                    1⤵
                                                                                      PID:1932
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                      1⤵
                                                                                        PID:1940
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                        1⤵
                                                                                          PID:1956
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                          1⤵
                                                                                            PID:1732
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                            1⤵
                                                                                              PID:2060
                                                                                            • 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:2144
                                                                                                • 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 LocalServiceNetworkRestricted -s RmSvc
                                                                                                    1⤵
                                                                                                      PID:2264
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                      1⤵
                                                                                                        PID:2412
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                        1⤵
                                                                                                          PID:2420
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                          1⤵
                                                                                                            PID:2640
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                            1⤵
                                                                                                              PID:2728
                                                                                                            • C:\Windows\sysmon.exe
                                                                                                              C:\Windows\sysmon.exe
                                                                                                              1⤵
                                                                                                                PID:2788
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                1⤵
                                                                                                                  PID:2796
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                  1⤵
                                                                                                                    PID:2820
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                                                    1⤵
                                                                                                                      PID:2836
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                      1⤵
                                                                                                                        PID:2860
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                        1⤵
                                                                                                                          PID:3420
                                                                                                                        • C:\Windows\Explorer.EXE
                                                                                                                          C:\Windows\Explorer.EXE
                                                                                                                          1⤵
                                                                                                                            PID:3532
                                                                                                                            • C:\Users\Admin\AppData\Local\Temp\2024-06-23_b41496a6c3e634019030ac6798ca3711_wannacry.exe
                                                                                                                              "C:\Users\Admin\AppData\Local\Temp\2024-06-23_b41496a6c3e634019030ac6798ca3711_wannacry.exe"
                                                                                                                              2⤵
                                                                                                                              • Modifies firewall policy service
                                                                                                                              • Drops file in Windows directory
                                                                                                                              • Suspicious behavior: EnumeratesProcesses
                                                                                                                              • Suspicious behavior: MapViewOfSection
                                                                                                                              • Suspicious use of AdjustPrivilegeToken
                                                                                                                              • Suspicious use of WriteProcessMemory
                                                                                                                              PID:2604
                                                                                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 1372
                                                                                                                                3⤵
                                                                                                                                • Program crash
                                                                                                                                PID:4840
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                            1⤵
                                                                                                                              PID:3640
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                              1⤵
                                                                                                                                PID:4796
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                1⤵
                                                                                                                                  PID:5012
                                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                  1⤵
                                                                                                                                    PID:1532
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                    1⤵
                                                                                                                                      PID:2808
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                      1⤵
                                                                                                                                        PID:1176
                                                                                                                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                        1⤵
                                                                                                                                          PID:1856
                                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\2024-06-23_b41496a6c3e634019030ac6798ca3711_wannacry.exe
                                                                                                                                          C:\Users\Admin\AppData\Local\Temp\2024-06-23_b41496a6c3e634019030ac6798ca3711_wannacry.exe -m security
                                                                                                                                          1⤵
                                                                                                                                          • Modifies data under HKEY_USERS
                                                                                                                                          • Suspicious behavior: EnumeratesProcesses
                                                                                                                                          • Suspicious use of AdjustPrivilegeToken
                                                                                                                                          PID:3364
                                                                                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2604 -ip 2604
                                                                                                                                          1⤵
                                                                                                                                            PID:1696

                                                                                                                                          Network

                                                                                                                                          MITRE ATT&CK Enterprise v15

                                                                                                                                          Replay Monitor

                                                                                                                                          Loading Replay Monitor...

                                                                                                                                          Downloads

                                                                                                                                          • memory/2604-8-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/2604-4-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/2604-0-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            6.4MB

                                                                                                                                          • memory/2604-2-0x0000000077352000-0x0000000077353000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            4KB

                                                                                                                                          • memory/2604-7-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/2604-5-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/2604-20-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            6.4MB

                                                                                                                                          • memory/2604-10-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            6.4MB

                                                                                                                                          • memory/2604-3-0x0000000077353000-0x0000000077354000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            4KB

                                                                                                                                          • memory/2604-1-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/2604-9-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/2604-12-0x0000000077353000-0x0000000077354000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            4KB

                                                                                                                                          • memory/2604-11-0x0000000077352000-0x0000000077353000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            4KB

                                                                                                                                          • memory/2604-14-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/2604-17-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/3364-6-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            6.4MB

                                                                                                                                          • memory/3364-21-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            6.4MB