Analysis

  • max time kernel
    92s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 15:28

General

  • Target

    8caef48540d67a717431ffbe50e37712.exe

  • Size

    34KB

  • MD5

    8caef48540d67a717431ffbe50e37712

  • SHA1

    c541c3116cc8bc0058370e08088519b58bb477f0

  • SHA256

    349f818c8c3a633f33ecc50c2b214dcde69681268b1d9e24c03a801f74426818

  • SHA512

    dabe5679a131c235993b70785d2856852e13a376a2df531cf3d282df7201b14d6331369ec2b0066597edbce5cf2ccfa664562e3b2cbb6494577a4af685bbebd7

  • SSDEEP

    768:7SAQonWy9JTF/lZaNIg2PkO+YkQG3+g0Vixlyxut10y3O/x:7rNWynTpryIgZO4Rug04xeut10aO/x

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 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:668
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:612
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:776
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:1020
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:784
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
              1⤵
                PID:432
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                1⤵
                  PID:1088
                  • C:\Windows\system32\MusNotification.exe
                    C:\Windows\system32\MusNotification.exe
                    2⤵
                      PID:3124
                    • C:\Windows\system32\taskhostw.exe
                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                      2⤵
                        PID:3044
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                      1⤵
                        PID:1096
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                        1⤵
                          PID:1200
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                          1⤵
                            PID:1344
                            • C:\Windows\system32\sihost.exe
                              sihost.exe
                              2⤵
                                PID:2892
                            • 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 NetworkService -p -s Dnscache
                                1⤵
                                  PID:1860
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                  1⤵
                                    PID:2264
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                    1⤵
                                      PID:2560
                                    • C:\Windows\System32\svchost.exe
                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                      1⤵
                                        PID:2544
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                        1⤵
                                          PID:3364
                                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                          1⤵
                                            PID:3912
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:3980
                                            • C:\Windows\system32\SppExtComObj.exe
                                              C:\Windows\system32\SppExtComObj.exe -Embedding
                                              1⤵
                                                PID:4644
                                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                1⤵
                                                  PID:1796
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
                                                  1⤵
                                                    PID:3528
                                                  • C:\Windows\system32\wbem\wmiprvse.exe
                                                    C:\Windows\system32\wbem\wmiprvse.exe
                                                    1⤵
                                                      PID:1620
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
                                                      1⤵
                                                        PID:5084
                                                      • C:\Windows\System32\RuntimeBroker.exe
                                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                        1⤵
                                                          PID:3808
                                                        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                                          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                                          1⤵
                                                            PID:3164
                                                          • C:\Windows\system32\DllHost.exe
                                                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                            1⤵
                                                              PID:836
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                              1⤵
                                                                PID:2192
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                1⤵
                                                                  PID:2608
                                                                • C:\Windows\System32\svchost.exe
                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                  1⤵
                                                                    PID:1468
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                    1⤵
                                                                      PID:2116
                                                                    • C:\Windows\System32\svchost.exe
                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                      1⤵
                                                                        PID:2344
                                                                      • C:\Windows\System32\RuntimeBroker.exe
                                                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                        1⤵
                                                                          PID:3968
                                                                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                          1⤵
                                                                            PID:4064
                                                                          • C:\Windows\system32\DllHost.exe
                                                                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                                            1⤵
                                                                              PID:3800
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                              1⤵
                                                                                PID:3596
                                                                              • C:\Windows\Explorer.EXE
                                                                                C:\Windows\Explorer.EXE
                                                                                1⤵
                                                                                  PID:3428
                                                                                  • C:\Users\Admin\AppData\Local\Temp\8caef48540d67a717431ffbe50e37712.exe
                                                                                    "C:\Users\Admin\AppData\Local\Temp\8caef48540d67a717431ffbe50e37712.exe"
                                                                                    2⤵
                                                                                    • Checks computer location settings
                                                                                    • Adds Run key to start application
                                                                                    • Drops file in Windows directory
                                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                                    • Suspicious use of WriteProcessMemory
                                                                                    PID:3624
                                                                                    • C:\Windows\SysWOW64\cmd.exe
                                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\a.bat" "C:\Users\Admin\AppData\Local\Temp\8caef48540d67a717431ffbe50e37712.exe""
                                                                                      3⤵
                                                                                        PID:2288
                                                                                      • C:\Windows\9129837.exe
                                                                                        "C:\Windows\9129837.exe"
                                                                                        3⤵
                                                                                        • Executes dropped EXE
                                                                                        • Adds Run key to start application
                                                                                        • Drops file in Windows directory
                                                                                        • Suspicious behavior: EnumeratesProcesses
                                                                                        • Suspicious use of AdjustPrivilegeToken
                                                                                        • Suspicious use of WriteProcessMemory
                                                                                        PID:1048
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                    1⤵
                                                                                      PID:1644
                                                                                    • C:\Windows\system32\wbem\unsecapp.exe
                                                                                      C:\Windows\system32\wbem\unsecapp.exe -Embedding
                                                                                      1⤵
                                                                                        PID:404
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                        1⤵
                                                                                          PID:2912
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                          1⤵
                                                                                            PID:2568
                                                                                          • C:\Windows\sysmon.exe
                                                                                            C:\Windows\sysmon.exe
                                                                                            1⤵
                                                                                              PID:2520
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                              1⤵
                                                                                                PID:2432
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                1⤵
                                                                                                  PID:2392
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                  1⤵
                                                                                                    PID:2256
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                    1⤵
                                                                                                      PID:2212
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s DsmSvc
                                                                                                      1⤵
                                                                                                        PID:2080
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                        1⤵
                                                                                                          PID:1812
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                          1⤵
                                                                                                            PID:1004
                                                                                                          • C:\Windows\System32\spoolsv.exe
                                                                                                            C:\Windows\System32\spoolsv.exe
                                                                                                            1⤵
                                                                                                              PID:2016
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                              1⤵
                                                                                                                PID:1916
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                                1⤵
                                                                                                                  PID:1908
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                                  1⤵
                                                                                                                    PID:1868
                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                                    1⤵
                                                                                                                      PID:1760
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                                      1⤵
                                                                                                                        PID:1728
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                                        1⤵
                                                                                                                          PID:1688
                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                          C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                                          1⤵
                                                                                                                            PID:1632
                                                                                                                          • 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:1436
                                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                                    1⤵
                                                                                                                                      PID:1268
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                                      1⤵
                                                                                                                                        PID:1236
                                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                                        1⤵
                                                                                                                                          PID:1076
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                                          1⤵
                                                                                                                                            PID:892
                                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                            1⤵
                                                                                                                                              PID:688
                                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                                              C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                                              1⤵
                                                                                                                                                PID:948
                                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                                C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                                                1⤵
                                                                                                                                                  PID:900
                                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                                  C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                                  1⤵
                                                                                                                                                    PID:792
                                                                                                                                                  • C:\Windows\system32\WerFault.exe
                                                                                                                                                    "C:\Windows\system32\WerFault.exe" -k -lc NDIS NDIS-20240203-1529.dmp
                                                                                                                                                    1⤵
                                                                                                                                                      PID:4008

                                                                                                                                                    Network

                                                                                                                                                          MITRE ATT&CK Enterprise v15

                                                                                                                                                          Replay Monitor

                                                                                                                                                          Loading Replay Monitor...

                                                                                                                                                          Downloads

                                                                                                                                                          • C:\Users\Admin\AppData\Local\Temp\a.bat

                                                                                                                                                            Filesize

                                                                                                                                                            38B

                                                                                                                                                            MD5

                                                                                                                                                            50a94effec08179504ef46949486ef63

                                                                                                                                                            SHA1

                                                                                                                                                            c36bcfbc6d85d0ae7b5642655985ecc2ab1f9e1d

                                                                                                                                                            SHA256

                                                                                                                                                            149194e913c7900de706a6a48db7695059b91fd63ebc75b373355c7009fb62e2

                                                                                                                                                            SHA512

                                                                                                                                                            095c1914e290377676cfbf07c52fb321d8e51638229810e560447e4db51d2e4dff8bfa870b009029692e12c0b9fe9c1fcf74dde30c3f68297631ff4ea6bbe283

                                                                                                                                                          • C:\Windows\9129837.exe

                                                                                                                                                            Filesize

                                                                                                                                                            34KB

                                                                                                                                                            MD5

                                                                                                                                                            8caef48540d67a717431ffbe50e37712

                                                                                                                                                            SHA1

                                                                                                                                                            c541c3116cc8bc0058370e08088519b58bb477f0

                                                                                                                                                            SHA256

                                                                                                                                                            349f818c8c3a633f33ecc50c2b214dcde69681268b1d9e24c03a801f74426818

                                                                                                                                                            SHA512

                                                                                                                                                            dabe5679a131c235993b70785d2856852e13a376a2df531cf3d282df7201b14d6331369ec2b0066597edbce5cf2ccfa664562e3b2cbb6494577a4af685bbebd7

                                                                                                                                                          • memory/1048-10-0x0000000000400000-0x0000000000429000-memory.dmp

                                                                                                                                                            Filesize

                                                                                                                                                            164KB

                                                                                                                                                          • memory/1048-19-0x0000000000400000-0x0000000000429000-memory.dmp

                                                                                                                                                            Filesize

                                                                                                                                                            164KB

                                                                                                                                                          • memory/3624-0-0x0000000000400000-0x0000000000429000-memory.dmp

                                                                                                                                                            Filesize

                                                                                                                                                            164KB

                                                                                                                                                          • memory/3624-16-0x0000000000400000-0x0000000000429000-memory.dmp

                                                                                                                                                            Filesize

                                                                                                                                                            164KB

                                                                                                                                                          • memory/3624-13-0x0000000002F40000-0x0000000002F44000-memory.dmp

                                                                                                                                                            Filesize

                                                                                                                                                            16KB