Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-08-2022 19:30

General

  • Target

    db28383ba1d804c5c224bfb865d71f14.exe

  • Size

    3.6MB

  • MD5

    db28383ba1d804c5c224bfb865d71f14

  • SHA1

    8e7286ca8cb98cc4804c8bb917e43ead79480506

  • SHA256

    cf713cb4ecf1aee0756285012464f6b9e9e46a6d15afa432faf8c4d3576e8f73

  • SHA512

    b7436ca4b2acf89080caafb37e2252ebf5ffa5e2caf06bcc7e57c033f83a5724e34cda237eab03cd484e427a8ad35d2fcf7ddb4008e12493344776b73853442f

  • SSDEEP

    24576:xbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqvO1Dq:xnAQqMSPbcBVQej/zOhq

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3119) 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\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:680
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:624
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:780
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:388
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:784
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
              1⤵
                PID:964
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k RPCSS -p
                1⤵
                  PID:916
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k DcomLaunch -p
                  1⤵
                    PID:804
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      2⤵
                        PID:3508
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        2⤵
                          PID:3448
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          2⤵
                            PID:3360
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            2⤵
                              PID:3276
                            • C:\Windows\system32\backgroundTaskHost.exe
                              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                              2⤵
                                PID:5076
                              • C:\Windows\system32\backgroundTaskHost.exe
                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                2⤵
                                  PID:4840
                                • C:\Windows\system32\SppExtComObj.exe
                                  C:\Windows\system32\SppExtComObj.exe -Embedding
                                  2⤵
                                    PID:2388
                                  • C:\Windows\system32\wbem\wmiprvse.exe
                                    C:\Windows\system32\wbem\wmiprvse.exe
                                    2⤵
                                      PID:880
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      2⤵
                                        PID:4816
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        2⤵
                                          PID:3868
                                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                          2⤵
                                            PID:3588
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            2⤵
                                              PID:4940
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                            1⤵
                                              PID:876
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                              1⤵
                                                PID:524
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                1⤵
                                                  PID:908
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                  1⤵
                                                    PID:1156
                                                    • C:\Windows\system32\taskhostw.exe
                                                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                      2⤵
                                                        PID:2716
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                      1⤵
                                                        PID:1064
                                                      • 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 netsvcs -p -s ProfSvc
                                                          1⤵
                                                            PID:1220
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                            1⤵
                                                              PID:3052
                                                            • C:\Windows\Explorer.EXE
                                                              C:\Windows\Explorer.EXE
                                                              1⤵
                                                                PID:1032
                                                                • C:\Users\Admin\AppData\Local\Temp\db28383ba1d804c5c224bfb865d71f14.exe
                                                                  "C:\Users\Admin\AppData\Local\Temp\db28383ba1d804c5c224bfb865d71f14.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:4528
                                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                                    C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 1432
                                                                    3⤵
                                                                    • Program crash
                                                                    PID:1780
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                1⤵
                                                                  PID:976
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                  1⤵
                                                                    PID:3700
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                    1⤵
                                                                      PID:4100
                                                                    • C:\Windows\System32\svchost.exe
                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                      1⤵
                                                                        PID:4536
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                        1⤵
                                                                          PID:4848
                                                                        • C:\Windows\System32\svchost.exe
                                                                          C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                          1⤵
                                                                            PID:3980
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                            1⤵
                                                                              PID:2012
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                              1⤵
                                                                                PID:2644
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                1⤵
                                                                                  PID:2636
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                  1⤵
                                                                                    PID:2620
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                    1⤵
                                                                                      PID:2592
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                      1⤵
                                                                                        PID:2532
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                        1⤵
                                                                                          PID:2512
                                                                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                          1⤵
                                                                                            PID:2500
                                                                                          • C:\Windows\system32\sihost.exe
                                                                                            sihost.exe
                                                                                            1⤵
                                                                                              PID:2492
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                              1⤵
                                                                                                PID:2372
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                1⤵
                                                                                                  PID:2364
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                  1⤵
                                                                                                    PID:2192
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                    1⤵
                                                                                                      PID:2148
                                                                                                    • C:\Windows\System32\spoolsv.exe
                                                                                                      C:\Windows\System32\spoolsv.exe
                                                                                                      1⤵
                                                                                                        PID:2100
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                        1⤵
                                                                                                          PID:2068
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                          1⤵
                                                                                                            PID:1320
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                            1⤵
                                                                                                              PID:1976
                                                                                                            • 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 NetworkService -p -s Dnscache
                                                                                                                1⤵
                                                                                                                  PID:1908
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                                  1⤵
                                                                                                                    PID:1816
                                                                                                                  • 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 NetworkService -p -s NlaSvc
                                                                                                                      1⤵
                                                                                                                        PID:1696
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                                        1⤵
                                                                                                                          PID:1648
                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                                          1⤵
                                                                                                                            PID:1636
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                                            1⤵
                                                                                                                              PID:1604
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                                              1⤵
                                                                                                                                PID:1528
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                                1⤵
                                                                                                                                  PID:1480
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                                  1⤵
                                                                                                                                    PID:1472
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                                    1⤵
                                                                                                                                      PID:1404
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                                      1⤵
                                                                                                                                        PID:1380
                                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                                        1⤵
                                                                                                                                          PID:1256
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                                          1⤵
                                                                                                                                            PID:1244
                                                                                                                                          • C:\Users\Admin\AppData\Local\Temp\db28383ba1d804c5c224bfb865d71f14.exe
                                                                                                                                            C:\Users\Admin\AppData\Local\Temp\db28383ba1d804c5c224bfb865d71f14.exe -m security
                                                                                                                                            1⤵
                                                                                                                                            • Modifies data under HKEY_USERS
                                                                                                                                            • Suspicious behavior: EnumeratesProcesses
                                                                                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                                                                                            PID:5032
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4528 -ip 4528
                                                                                                                                            1⤵
                                                                                                                                              PID:1580

                                                                                                                                            Network

                                                                                                                                            MITRE ATT&CK Matrix ATT&CK v6

                                                                                                                                            Persistence

                                                                                                                                            Modify Existing Service

                                                                                                                                            1
                                                                                                                                            T1031

                                                                                                                                            Defense Evasion

                                                                                                                                            Modify Registry

                                                                                                                                            1
                                                                                                                                            T1112

                                                                                                                                            Discovery

                                                                                                                                            Network Service Scanning

                                                                                                                                            2
                                                                                                                                            T1046

                                                                                                                                            Replay Monitor

                                                                                                                                            Loading Replay Monitor...

                                                                                                                                            Downloads

                                                                                                                                            • memory/4528-135-0x0000000000400000-0x0000000000A73000-memory.dmp
                                                                                                                                              Filesize

                                                                                                                                              6.4MB

                                                                                                                                            • memory/4528-137-0x000000007FE30000-0x000000007FE3C000-memory.dmp
                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/4528-138-0x0000000000400000-0x0000000000A73000-memory.dmp
                                                                                                                                              Filesize

                                                                                                                                              6.4MB

                                                                                                                                            • memory/4528-139-0x000000007FE30000-0x000000007FE3C000-memory.dmp
                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/5032-136-0x0000000000400000-0x0000000000A73000-memory.dmp
                                                                                                                                              Filesize

                                                                                                                                              6.4MB

                                                                                                                                            • memory/5032-140-0x0000000000400000-0x0000000000A73000-memory.dmp
                                                                                                                                              Filesize

                                                                                                                                              6.4MB