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Analysis

  • max time kernel
    139s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 01:12

General

  • Target

    f3080bc9799c96b5a2e0de1ef77f69d2305b4e3008a72592f2dfbac606d79de9.exe

  • Size

    114KB

  • MD5

    925dc2e2c8e5c4a8366922ae94221e1e

  • SHA1

    3c8cd03953e2a5931320c1f857c25b67f8b72ae9

  • SHA256

    f3080bc9799c96b5a2e0de1ef77f69d2305b4e3008a72592f2dfbac606d79de9

  • SHA512

    8352a9a8c6adf9de57de20454c1e493829938d6d5f0c2f1e381a55e303869e42810726a953b4296858c86b9c9e47eab08054a9fc6c6790e8a9c7a12045164584

  • SSDEEP

    1536:FGN7c9SKiGN8fO1lGyHm5XHLl77Y0EEthnU4tKXkA9IXTV+xTR1WoZ20eqQCB9Ct:4ySFI82GyH6LlM0/1UQS96gTR1DZtxz

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\backgroundTaskHost.exe
    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
    1⤵
      PID:3512
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
      1⤵
        PID:3896
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:2056
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalService -s W32Time
          1⤵
            PID:3680
          • C:\Windows\system32\SppExtComObj.exe
            C:\Windows\system32\SppExtComObj.exe -Embedding
            1⤵
              PID:3544
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
              1⤵
                PID:4124
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                1⤵
                  PID:3884
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                  1⤵
                    PID:1524
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                    1⤵
                      PID:5008
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k netsvcs -p
                      1⤵
                        PID:4572
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4820
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:4068
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3744
                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                              1⤵
                                PID:3552
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3456
                                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                  1⤵
                                    PID:3352
                                  • C:\Windows\system32\DllHost.exe
                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                    1⤵
                                      PID:3244
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                      1⤵
                                        PID:2948
                                      • C:\Windows\Explorer.EXE
                                        C:\Windows\Explorer.EXE
                                        1⤵
                                          PID:2424
                                          • C:\Users\Admin\AppData\Local\Temp\f3080bc9799c96b5a2e0de1ef77f69d2305b4e3008a72592f2dfbac606d79de9.exe
                                            "C:\Users\Admin\AppData\Local\Temp\f3080bc9799c96b5a2e0de1ef77f69d2305b4e3008a72592f2dfbac606d79de9.exe"
                                            2⤵
                                            • Modifies firewall policy service
                                            • Drops file in System32 directory
                                            • Suspicious behavior: EnumeratesProcesses
                                            • Suspicious behavior: MapViewOfSection
                                            • Suspicious use of AdjustPrivilegeToken
                                            • Suspicious use of WriteProcessMemory
                                            PID:4336
                                            • C:\Windows\SysWOW64\WerFault.exe
                                              C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 1408
                                              3⤵
                                              • Program crash
                                              PID:2032
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                          1⤵
                                            PID:2680
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                            1⤵
                                              PID:2656
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                              1⤵
                                                PID:2636
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                1⤵
                                                  PID:2612
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                  1⤵
                                                    PID:2544
                                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                    1⤵
                                                      PID:2536
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                      1⤵
                                                        PID:2444
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                        1⤵
                                                          PID:2428
                                                        • C:\Windows\system32\taskhostw.exe
                                                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                          1⤵
                                                            PID:2416
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                            1⤵
                                                              PID:2328
                                                            • C:\Windows\system32\sihost.exe
                                                              sihost.exe
                                                              1⤵
                                                                PID:2308
                                                              • C:\Windows\System32\svchost.exe
                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                1⤵
                                                                  PID:2224
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                  1⤵
                                                                    PID:2160
                                                                  • C:\Windows\System32\spoolsv.exe
                                                                    C:\Windows\System32\spoolsv.exe
                                                                    1⤵
                                                                      PID:2116
                                                                    • C:\Windows\System32\svchost.exe
                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                      1⤵
                                                                        PID:2040
                                                                      • C:\Windows\System32\svchost.exe
                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                        1⤵
                                                                          PID:2024
                                                                        • C:\Windows\System32\svchost.exe
                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                          1⤵
                                                                            PID:1972
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                            1⤵
                                                                              PID:1964
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                              1⤵
                                                                                PID:1920
                                                                              • 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 LocalServiceNetworkRestricted -p
                                                                                  1⤵
                                                                                    PID:1780
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                    1⤵
                                                                                      PID:1668
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                      1⤵
                                                                                        PID:1640
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                        1⤵
                                                                                          PID:1620
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                          1⤵
                                                                                            PID:1592
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                            1⤵
                                                                                              PID:1516
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                              1⤵
                                                                                                PID:1472
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                1⤵
                                                                                                  PID:1448
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                  1⤵
                                                                                                    PID:1408
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                    1⤵
                                                                                                      PID:1320
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                      1⤵
                                                                                                        PID:1280
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                        1⤵
                                                                                                          PID:1212
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                          1⤵
                                                                                                            PID:1196
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                            1⤵
                                                                                                              PID:1144
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                              1⤵
                                                                                                                PID:1080
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                1⤵
                                                                                                                  PID:1064
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                  1⤵
                                                                                                                    PID:852
                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                    1⤵
                                                                                                                      PID:684
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                                                                                      1⤵
                                                                                                                        PID:432
                                                                                                                      • C:\Windows\system32\dwm.exe
                                                                                                                        "dwm.exe"
                                                                                                                        1⤵
                                                                                                                          PID:1008
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                          1⤵
                                                                                                                            PID:940
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                            1⤵
                                                                                                                              PID:892
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                              1⤵
                                                                                                                                PID:784
                                                                                                                                • C:\Windows\system32\wbem\wmiprvse.exe
                                                                                                                                  C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                                                                                                                                  2⤵
                                                                                                                                    PID:5112
                                                                                                                                • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                  "fontdrvhost.exe"
                                                                                                                                  1⤵
                                                                                                                                    PID:776
                                                                                                                                  • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                    "fontdrvhost.exe"
                                                                                                                                    1⤵
                                                                                                                                      PID:768
                                                                                                                                    • C:\Windows\system32\lsass.exe
                                                                                                                                      C:\Windows\system32\lsass.exe
                                                                                                                                      1⤵
                                                                                                                                        PID:668
                                                                                                                                      • C:\Windows\system32\winlogon.exe
                                                                                                                                        winlogon.exe
                                                                                                                                        1⤵
                                                                                                                                          PID:584
                                                                                                                                        • C:\Windows\SysWOW64\skkwkm.exe
                                                                                                                                          C:\Windows\SysWOW64\skkwkm.exe
                                                                                                                                          1⤵
                                                                                                                                          • Executes dropped EXE
                                                                                                                                          • Suspicious behavior: EnumeratesProcesses
                                                                                                                                          • Suspicious use of AdjustPrivilegeToken
                                                                                                                                          PID:4980
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 444
                                                                                                                                            2⤵
                                                                                                                                            • Program crash
                                                                                                                                            PID:2844
                                                                                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4980 -ip 4980
                                                                                                                                          1⤵
                                                                                                                                            PID:1304
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4336 -ip 4336
                                                                                                                                            1⤵
                                                                                                                                              PID:792

                                                                                                                                            Network

                                                                                                                                            MITRE ATT&CK Enterprise v6

                                                                                                                                            Replay Monitor

                                                                                                                                            Loading Replay Monitor...

                                                                                                                                            Downloads

                                                                                                                                            • C:\Windows\SysWOW64\skkwkm.exe

                                                                                                                                              Filesize

                                                                                                                                              114KB

                                                                                                                                              MD5

                                                                                                                                              925dc2e2c8e5c4a8366922ae94221e1e

                                                                                                                                              SHA1

                                                                                                                                              3c8cd03953e2a5931320c1f857c25b67f8b72ae9

                                                                                                                                              SHA256

                                                                                                                                              f3080bc9799c96b5a2e0de1ef77f69d2305b4e3008a72592f2dfbac606d79de9

                                                                                                                                              SHA512

                                                                                                                                              8352a9a8c6adf9de57de20454c1e493829938d6d5f0c2f1e381a55e303869e42810726a953b4296858c86b9c9e47eab08054a9fc6c6790e8a9c7a12045164584

                                                                                                                                            • C:\Windows\SysWOW64\skkwkm.exe

                                                                                                                                              Filesize

                                                                                                                                              114KB

                                                                                                                                              MD5

                                                                                                                                              925dc2e2c8e5c4a8366922ae94221e1e

                                                                                                                                              SHA1

                                                                                                                                              3c8cd03953e2a5931320c1f857c25b67f8b72ae9

                                                                                                                                              SHA256

                                                                                                                                              f3080bc9799c96b5a2e0de1ef77f69d2305b4e3008a72592f2dfbac606d79de9

                                                                                                                                              SHA512

                                                                                                                                              8352a9a8c6adf9de57de20454c1e493829938d6d5f0c2f1e381a55e303869e42810726a953b4296858c86b9c9e47eab08054a9fc6c6790e8a9c7a12045164584

                                                                                                                                            • memory/4336-132-0x0000000000400000-0x0000000000421000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              132KB

                                                                                                                                            • memory/4336-136-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/4336-137-0x0000000000400000-0x0000000000421000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              132KB

                                                                                                                                            • memory/4336-138-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/4980-135-0x0000000000400000-0x0000000000421000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              132KB