Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 01:26

General

  • Target

    f38acdac6bca307674f1329c73c00704080fa444f331c73cbb775ea81e646581.exe

  • Size

    107KB

  • MD5

    0852e655acfacb658792174480ee42f0

  • SHA1

    12236c070bd5b38f2271ac8ff7240e0e347783c1

  • SHA256

    f38acdac6bca307674f1329c73c00704080fa444f331c73cbb775ea81e646581

  • SHA512

    f967a9d9128d1f2cc8a38b986d10ac5605690de3b01139446ff41badff4ee80dea94f59f6e234f2cbe578e55373e8439542608bd78eaf697df0c746404c7b941

  • SSDEEP

    3072:IFz90hq+Yc7Hf4oa5r5sojsj+oMep6Gm1j:Inycc7/4D95sqBFm6GmN

Malware Config

Signatures

  • Gh0st RAT payload 3 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious behavior: RenamesItself 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:672
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:580
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:772
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:1020
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
            1⤵
              PID:440
            • 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 LocalServiceNoNetwork -p
                  1⤵
                    PID:860
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                    1⤵
                      PID:1048
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                      1⤵
                        PID:1156
                        • C:\Windows\system32\taskhostw.exe
                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                          2⤵
                            PID:2496
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                          1⤵
                            PID:648
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                            1⤵
                              PID:1208
                            • 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 LocalServiceNetworkRestricted -p -s EventLog
                                1⤵
                                  PID:1244
                                • 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 LocalServiceNetworkRestricted -p -s Dhcp
                                    1⤵
                                      PID:1492
                                    • C:\Windows\System32\svchost.exe
                                      C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                      1⤵
                                        PID:1628
                                      • C:\Windows\System32\svchost.exe
                                        C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                        1⤵
                                          PID:1704
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                          1⤵
                                            PID:1760
                                          • C:\Windows\System32\svchost.exe
                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                            1⤵
                                              PID:2032
                                            • C:\Windows\System32\spoolsv.exe
                                              C:\Windows\System32\spoolsv.exe
                                              1⤵
                                                PID:2124
                                              • C:\Windows\system32\sihost.exe
                                                sihost.exe
                                                1⤵
                                                  PID:2340
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                  1⤵
                                                    PID:2528
                                                  • C:\Windows\System32\svchost.exe
                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                    1⤵
                                                      PID:2752
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                      1⤵
                                                        PID:2776
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                        1⤵
                                                          PID:760
                                                        • C:\Windows\System32\RuntimeBroker.exe
                                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                          1⤵
                                                            PID:3396
                                                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                            1⤵
                                                              PID:3496
                                                            • C:\Windows\System32\svchost.exe
                                                              C:\Windows\System32\svchost.exe -k WerSvcGroup
                                                              1⤵
                                                                PID:4880
                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1720 -ip 1720
                                                                  2⤵
                                                                    PID:1804
                                                                • C:\Windows\System32\RuntimeBroker.exe
                                                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                  1⤵
                                                                    PID:2588
                                                                  • C:\Windows\system32\wbem\wmiprvse.exe
                                                                    C:\Windows\system32\wbem\wmiprvse.exe
                                                                    1⤵
                                                                      PID:4848
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                      1⤵
                                                                        PID:428
                                                                      • C:\Windows\System32\svchost.exe
                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                        1⤵
                                                                          PID:3476
                                                                        • C:\Windows\system32\backgroundTaskHost.exe
                                                                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                                                          1⤵
                                                                            PID:740
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                            1⤵
                                                                              PID:2284
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                              1⤵
                                                                                PID:4084
                                                                              • C:\Windows\system32\SppExtComObj.exe
                                                                                C:\Windows\system32\SppExtComObj.exe -Embedding
                                                                                1⤵
                                                                                  PID:4032
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                  1⤵
                                                                                    PID:4492
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                    1⤵
                                                                                      PID:408
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                      1⤵
                                                                                        PID:1896
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                        1⤵
                                                                                          PID:956
                                                                                        • C:\Windows\System32\RuntimeBroker.exe
                                                                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                                          1⤵
                                                                                            PID:4692
                                                                                          • C:\Windows\system32\DllHost.exe
                                                                                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                                                            1⤵
                                                                                              PID:4348
                                                                                            • C:\Windows\System32\RuntimeBroker.exe
                                                                                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                                              1⤵
                                                                                                PID:3616
                                                                                              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                                                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                                                1⤵
                                                                                                  PID:3332
                                                                                                • C:\Windows\system32\DllHost.exe
                                                                                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                                                                  1⤵
                                                                                                    PID:3244
                                                                                                  • C:\Windows\Explorer.EXE
                                                                                                    C:\Windows\Explorer.EXE
                                                                                                    1⤵
                                                                                                      PID:2940
                                                                                                      • C:\Users\Admin\AppData\Local\Temp\f38acdac6bca307674f1329c73c00704080fa444f331c73cbb775ea81e646581.exe
                                                                                                        "C:\Users\Admin\AppData\Local\Temp\f38acdac6bca307674f1329c73c00704080fa444f331c73cbb775ea81e646581.exe"
                                                                                                        2⤵
                                                                                                        • Modifies firewall policy service
                                                                                                        • Adds Run key to start application
                                                                                                        • Enumerates connected drives
                                                                                                        • Drops file in System32 directory
                                                                                                        • Suspicious behavior: EnumeratesProcesses
                                                                                                        • Suspicious behavior: MapViewOfSection
                                                                                                        • Suspicious behavior: RenamesItself
                                                                                                        • Suspicious use of AdjustPrivilegeToken
                                                                                                        • Suspicious use of WriteProcessMemory
                                                                                                        PID:1720
                                                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                                                          C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 836
                                                                                                          3⤵
                                                                                                          • Program crash
                                                                                                          PID:3256
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                                      1⤵
                                                                                                        PID:2764
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                        1⤵
                                                                                                          PID:2736
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                          1⤵
                                                                                                            PID:2676
                                                                                                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                            1⤵
                                                                                                              PID:2668
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                              1⤵
                                                                                                                PID:2540
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                                1⤵
                                                                                                                  PID:2356
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                                  1⤵
                                                                                                                    PID:2264
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                                    1⤵
                                                                                                                      PID:2168
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                                      1⤵
                                                                                                                        PID:372
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                                        1⤵
                                                                                                                          PID:1732
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                                                          1⤵
                                                                                                                            PID:2024
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                                            1⤵
                                                                                                                              PID:1992
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                                              1⤵
                                                                                                                                PID:1872
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                                                1⤵
                                                                                                                                  PID:1740
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                                                  1⤵
                                                                                                                                    PID:1668
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                                    1⤵
                                                                                                                                      PID:1464
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                                      1⤵
                                                                                                                                        PID:1388
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                                        1⤵
                                                                                                                                          PID:1380
                                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                          1⤵
                                                                                                                                            PID:692
                                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                                            C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                            1⤵
                                                                                                                                              PID:788
                                                                                                                                            • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                              "fontdrvhost.exe"
                                                                                                                                              1⤵
                                                                                                                                                PID:780

                                                                                                                                              Network

                                                                                                                                              MITRE ATT&CK Enterprise v6

                                                                                                                                              Replay Monitor

                                                                                                                                              Loading Replay Monitor...

                                                                                                                                              Downloads

                                                                                                                                              • memory/1720-132-0x0000000000400000-0x0000000000420000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                128KB

                                                                                                                                              • memory/1720-133-0x0000000010000000-0x0000000010046000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                280KB

                                                                                                                                              • memory/1720-136-0x0000000010000000-0x0000000010046000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                280KB

                                                                                                                                              • memory/1720-135-0x0000000010000000-0x0000000010046000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                280KB

                                                                                                                                              • memory/1720-137-0x0000000010000000-0x0000000010046000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                280KB

                                                                                                                                              • memory/1720-138-0x0000000000400000-0x0000000000420000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                128KB