Analysis

  • max time kernel
    91s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2022, 21:54

General

  • Target

    23241ab113f2342fb271874db192d2d58a20b4803b6bd8d33edfb8a3a80c2fb5.dll

  • Size

    72KB

  • MD5

    0ca02f33b3b7115c89ea8a2a5517f0b0

  • SHA1

    48102eaa9ed6a9250ec12141ceb0abe2780ec5cb

  • SHA256

    23241ab113f2342fb271874db192d2d58a20b4803b6bd8d33edfb8a3a80c2fb5

  • SHA512

    89ef164ece64176daaf757a1192cecf8fe4590701f49304d5cc33a840f34fbac01776026997b59800f3ca36a488bb2489bd08f0c4ee4b4ab5ab0fa7a7518989c

  • SSDEEP

    1536:ym66BS7LL1z8o9yHSm9871MPCwWdO8g/FT+s:yyBon1zjyHSl76P6dOJP

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:676
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k DcomLaunch -p
      1⤵
        PID:788
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          2⤵
            PID:3352
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            2⤵
              PID:3416
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              2⤵
                PID:4420
              • C:\Windows\system32\wbem\wmiprvse.exe
                C:\Windows\system32\wbem\wmiprvse.exe
                2⤵
                  PID:2012
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                  2⤵
                    PID:5056
                  • C:\Windows\system32\SppExtComObj.exe
                    C:\Windows\system32\SppExtComObj.exe -Embedding
                    2⤵
                      PID:752
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      2⤵
                        PID:4740
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:3804
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          2⤵
                            PID:3504
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            2⤵
                              PID:3260
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              2⤵
                                PID:2060
                            • C:\Windows\system32\dwm.exe
                              "dwm.exe"
                              1⤵
                                PID:340
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                1⤵
                                  PID:872
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                  1⤵
                                    PID:524
                                    • C:\Windows\system32\winlogon.exe
                                      winlogon.exe
                                      2⤵
                                        PID:628
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                      1⤵
                                        PID:956
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k RPCSS -p
                                        1⤵
                                          PID:908
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                          1⤵
                                            PID:900
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                            1⤵
                                              PID:1172
                                              • C:\Windows\system32\taskhostw.exe
                                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                2⤵
                                                  PID:2588
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                1⤵
                                                  PID:1052
                                                • C:\Windows\System32\svchost.exe
                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                  1⤵
                                                    PID:1044
                                                  • C:\Windows\system32\fontdrvhost.exe
                                                    "fontdrvhost.exe"
                                                    1⤵
                                                      PID:800
                                                    • C:\Windows\system32\fontdrvhost.exe
                                                      "fontdrvhost.exe"
                                                      1⤵
                                                        PID:796
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                        1⤵
                                                          PID:1224
                                                        • C:\Windows\System32\svchost.exe
                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                          1⤵
                                                            PID:2052
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                            1⤵
                                                              PID:2172
                                                            • C:\Windows\system32\sihost.exe
                                                              sihost.exe
                                                              1⤵
                                                                PID:2372
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                1⤵
                                                                  PID:2152
                                                                • C:\Windows\System32\spoolsv.exe
                                                                  C:\Windows\System32\spoolsv.exe
                                                                  1⤵
                                                                    PID:2096
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                    1⤵
                                                                      PID:2040
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                      1⤵
                                                                        PID:2388
                                                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                        1⤵
                                                                          PID:2564
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                          1⤵
                                                                            PID:2624
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                            1⤵
                                                                              PID:2676
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                              1⤵
                                                                                PID:2684
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                1⤵
                                                                                  PID:2972
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                  1⤵
                                                                                    PID:2184
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k WerSvcGroup
                                                                                    1⤵
                                                                                      PID:460
                                                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2444 -ip 2444
                                                                                        2⤵
                                                                                          PID:4060
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                        1⤵
                                                                                          PID:2476
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                                          1⤵
                                                                                            PID:2268
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                                            1⤵
                                                                                              PID:4532
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                              1⤵
                                                                                                PID:4704
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                1⤵
                                                                                                  PID:4264
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                  1⤵
                                                                                                    PID:4928
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                    1⤵
                                                                                                      PID:920
                                                                                                    • C:\Windows\Explorer.EXE
                                                                                                      C:\Windows\Explorer.EXE
                                                                                                      1⤵
                                                                                                        PID:2548
                                                                                                        • C:\Windows\system32\rundll32.exe
                                                                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\23241ab113f2342fb271874db192d2d58a20b4803b6bd8d33edfb8a3a80c2fb5.dll,#1
                                                                                                          2⤵
                                                                                                          • Suspicious use of WriteProcessMemory
                                                                                                          PID:652
                                                                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\23241ab113f2342fb271874db192d2d58a20b4803b6bd8d33edfb8a3a80c2fb5.dll,#1
                                                                                                            3⤵
                                                                                                            • Suspicious use of WriteProcessMemory
                                                                                                            PID:4804
                                                                                                            • C:\Users\Admin\AppData\Local\Temp\hrlB72F.tmp
                                                                                                              C:\Users\Admin\AppData\Local\Temp\hrlB72F.tmp
                                                                                                              4⤵
                                                                                                              • Modifies firewall policy service
                                                                                                              • Executes dropped EXE
                                                                                                              • Drops file in System32 directory
                                                                                                              • Suspicious behavior: EnumeratesProcesses
                                                                                                              • Suspicious behavior: MapViewOfSection
                                                                                                              • Suspicious use of AdjustPrivilegeToken
                                                                                                              • Suspicious use of WriteProcessMemory
                                                                                                              PID:1476
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                        1⤵
                                                                                                          PID:2696
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                          1⤵
                                                                                                            PID:2576
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                            1⤵
                                                                                                              PID:2428
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                              1⤵
                                                                                                                PID:2412
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                                1⤵
                                                                                                                  PID:2024
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                                  1⤵
                                                                                                                    PID:1932
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                                                    1⤵
                                                                                                                      PID:1924
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                                      1⤵
                                                                                                                        PID:1876
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                                        1⤵
                                                                                                                          PID:1804
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                                          1⤵
                                                                                                                            PID:1720
                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                                            1⤵
                                                                                                                              PID:1692
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                                              1⤵
                                                                                                                                PID:1644
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                                                1⤵
                                                                                                                                  PID:1628
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                                                  1⤵
                                                                                                                                    PID:1568
                                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                                    1⤵
                                                                                                                                      PID:1456
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                                      1⤵
                                                                                                                                        PID:1432
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                                        1⤵
                                                                                                                                          PID:1412
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                                          1⤵
                                                                                                                                            PID:1352
                                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                                            1⤵
                                                                                                                                              PID:1272
                                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                                              1⤵
                                                                                                                                                PID:1252
                                                                                                                                              • C:\Windows\SysWOW64\fkxjkm.exe
                                                                                                                                                C:\Windows\SysWOW64\fkxjkm.exe
                                                                                                                                                1⤵
                                                                                                                                                • Executes dropped EXE
                                                                                                                                                • Suspicious behavior: EnumeratesProcesses
                                                                                                                                                • Suspicious use of AdjustPrivilegeToken
                                                                                                                                                PID:2444
                                                                                                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                                  C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 400
                                                                                                                                                  2⤵
                                                                                                                                                  • Program crash
                                                                                                                                                  PID:3368

                                                                                                                                              Network

                                                                                                                                              MITRE ATT&CK Enterprise v6

                                                                                                                                              Replay Monitor

                                                                                                                                              Loading Replay Monitor...

                                                                                                                                              Downloads

                                                                                                                                              • C:\Users\Admin\AppData\Local\Temp\hrlB72F.tmp

                                                                                                                                                Filesize

                                                                                                                                                65KB

                                                                                                                                                MD5

                                                                                                                                                b62fc9a317d15391eb9e7247d5f15c52

                                                                                                                                                SHA1

                                                                                                                                                6de84b5508c8a1dccfe361b6a5af0bba5f1507e2

                                                                                                                                                SHA256

                                                                                                                                                d6072a941077f01e408cb67e37ad01d2697ef08a7454a8bc5b094a578dcde7b1

                                                                                                                                                SHA512

                                                                                                                                                35cfb03a917a7f9ae1b529ce82dab087b0da02cee7c2ee6d0c663b4e886aa847394bf09c6394b16a50085c29abb9b23e0966cb9dda78dacd0bc69e228a3d9b74

                                                                                                                                              • C:\Users\Admin\AppData\Local\Temp\hrlB72F.tmp

                                                                                                                                                Filesize

                                                                                                                                                65KB

                                                                                                                                                MD5

                                                                                                                                                b62fc9a317d15391eb9e7247d5f15c52

                                                                                                                                                SHA1

                                                                                                                                                6de84b5508c8a1dccfe361b6a5af0bba5f1507e2

                                                                                                                                                SHA256

                                                                                                                                                d6072a941077f01e408cb67e37ad01d2697ef08a7454a8bc5b094a578dcde7b1

                                                                                                                                                SHA512

                                                                                                                                                35cfb03a917a7f9ae1b529ce82dab087b0da02cee7c2ee6d0c663b4e886aa847394bf09c6394b16a50085c29abb9b23e0966cb9dda78dacd0bc69e228a3d9b74

                                                                                                                                              • C:\Windows\SysWOW64\fkxjkm.exe

                                                                                                                                                Filesize

                                                                                                                                                65KB

                                                                                                                                                MD5

                                                                                                                                                b62fc9a317d15391eb9e7247d5f15c52

                                                                                                                                                SHA1

                                                                                                                                                6de84b5508c8a1dccfe361b6a5af0bba5f1507e2

                                                                                                                                                SHA256

                                                                                                                                                d6072a941077f01e408cb67e37ad01d2697ef08a7454a8bc5b094a578dcde7b1

                                                                                                                                                SHA512

                                                                                                                                                35cfb03a917a7f9ae1b529ce82dab087b0da02cee7c2ee6d0c663b4e886aa847394bf09c6394b16a50085c29abb9b23e0966cb9dda78dacd0bc69e228a3d9b74

                                                                                                                                              • C:\Windows\SysWOW64\fkxjkm.exe

                                                                                                                                                Filesize

                                                                                                                                                65KB

                                                                                                                                                MD5

                                                                                                                                                b62fc9a317d15391eb9e7247d5f15c52

                                                                                                                                                SHA1

                                                                                                                                                6de84b5508c8a1dccfe361b6a5af0bba5f1507e2

                                                                                                                                                SHA256

                                                                                                                                                d6072a941077f01e408cb67e37ad01d2697ef08a7454a8bc5b094a578dcde7b1

                                                                                                                                                SHA512

                                                                                                                                                35cfb03a917a7f9ae1b529ce82dab087b0da02cee7c2ee6d0c663b4e886aa847394bf09c6394b16a50085c29abb9b23e0966cb9dda78dacd0bc69e228a3d9b74

                                                                                                                                              • memory/1476-138-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                84KB

                                                                                                                                              • memory/1476-140-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/1476-141-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                84KB

                                                                                                                                              • memory/1476-142-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/2444-139-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                84KB