Resubmissions

02-01-2025 21:33

250102-1ejbvswpcv 10

08-12-2024 01:12

241208-bkq68azkep 10

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 21:33

General

  • Target

    mh.exe

  • Size

    92KB

  • MD5

    990ced068a35be3f8092c491bf2a6dbb

  • SHA1

    b9303bd5671d66b7b5520da2a12f7243b05235f4

  • SHA256

    22e44f753597c056b7b1eba9728043e7e6dbdf94f0f66f06e6bdd1fdba096fb2

  • SHA512

    28ee629fc56a204f2e40f6f1c42e45dd142800ea07277d8d89f3d7522fbe290d32240668543e679b6e40e6d68b2f9a65cd6bf6168a4d9a79859e49df2ae5f48e

  • SSDEEP

    1536:oPoRMUAPWbUFADNjKxoxQhy45mXKhpwvv2Uj281XQoYYqA:oP4ZSbENer5Toz6qXQ3

Malware Config

Signatures

  • Gh0st RAT payload 2 IoCs
  • Gh0strat

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

  • Gh0strat family
  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:768
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:1020
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:672
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:772
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch -p
              1⤵
                PID:788
                • C:\Windows\system32\wbem\unsecapp.exe
                  C:\Windows\system32\wbem\unsecapp.exe -Embedding
                  2⤵
                    PID:2980
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    2⤵
                      PID:3768
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      2⤵
                        PID:3864
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:3952
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          2⤵
                            PID:4036
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:3468
                            • C:\Windows\system32\SppExtComObj.exe
                              C:\Windows\system32\SppExtComObj.exe -Embedding
                              2⤵
                                PID:3916
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                2⤵
                                  PID:1940
                                • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                  "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                  2⤵
                                    PID:4508
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    2⤵
                                      PID:4024
                                  • 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 -s LSM
                                      1⤵
                                        PID:944
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                        1⤵
                                          PID:508
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                          1⤵
                                            PID:652
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                            1⤵
                                              PID:1088
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                              1⤵
                                                PID:1096
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                1⤵
                                                  PID:1112
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                  1⤵
                                                    PID:1132
                                                  • 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:2644
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                        1⤵
                                                          PID:1272
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                          1⤵
                                                            PID:1284
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                            1⤵
                                                              PID:1376
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                              1⤵
                                                                PID:1420
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                1⤵
                                                                  PID:1428
                                                                  • C:\Windows\system32\sihost.exe
                                                                    sihost.exe
                                                                    2⤵
                                                                      PID:2920
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                    1⤵
                                                                      PID:1592
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                      1⤵
                                                                        PID:1600
                                                                      • C:\Windows\System32\svchost.exe
                                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                        1⤵
                                                                          PID:1652
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                          1⤵
                                                                            PID:1720
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                            1⤵
                                                                              PID:1760
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                              1⤵
                                                                                PID:1780
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                1⤵
                                                                                  PID:1920
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                  1⤵
                                                                                    PID:1988
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                    1⤵
                                                                                      PID:1192
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                      1⤵
                                                                                        PID:1504
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                        1⤵
                                                                                          PID:1460
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                          1⤵
                                                                                            PID:2068
                                                                                          • C:\Windows\System32\spoolsv.exe
                                                                                            C:\Windows\System32\spoolsv.exe
                                                                                            1⤵
                                                                                              PID:2196
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                              1⤵
                                                                                                PID:2248
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                1⤵
                                                                                                  PID:2288
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                  1⤵
                                                                                                    PID:2400
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                    1⤵
                                                                                                      PID:2484
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                      1⤵
                                                                                                        PID:2500
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                        1⤵
                                                                                                          PID:2536
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                          1⤵
                                                                                                            PID:2616
                                                                                                          • C:\Windows\sysmon.exe
                                                                                                            C:\Windows\sysmon.exe
                                                                                                            1⤵
                                                                                                              PID:2684
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                              1⤵
                                                                                                                PID:2696
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                1⤵
                                                                                                                  PID:2716
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                                  1⤵
                                                                                                                    PID:2960
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                                                    1⤵
                                                                                                                      PID:2640
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                      1⤵
                                                                                                                        PID:3360
                                                                                                                      • C:\Windows\Explorer.EXE
                                                                                                                        C:\Windows\Explorer.EXE
                                                                                                                        1⤵
                                                                                                                          PID:3432
                                                                                                                          • C:\Users\Admin\AppData\Local\Temp\mh.exe
                                                                                                                            "C:\Users\Admin\AppData\Local\Temp\mh.exe"
                                                                                                                            2⤵
                                                                                                                            • Modifies firewall policy service
                                                                                                                            • Drops file in System32 directory
                                                                                                                            • System Location Discovery: System Language Discovery
                                                                                                                            • Suspicious behavior: EnumeratesProcesses
                                                                                                                            • Suspicious behavior: MapViewOfSection
                                                                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                                                                            • Suspicious use of WriteProcessMemory
                                                                                                                            PID:4580
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                          1⤵
                                                                                                                            PID:3576
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                            1⤵
                                                                                                                              PID:4808
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                              1⤵
                                                                                                                                PID:4308
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                1⤵
                                                                                                                                  PID:4544
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                  1⤵
                                                                                                                                    PID:3016
                                                                                                                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                    1⤵
                                                                                                                                      PID:1528
                                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                      1⤵
                                                                                                                                        PID:4688
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
                                                                                                                                        1⤵
                                                                                                                                          PID:3316
                                                                                                                                        • C:\Windows\SysWOW64\vanpws.exe
                                                                                                                                          C:\Windows\SysWOW64\vanpws.exe
                                                                                                                                          1⤵
                                                                                                                                          • Executes dropped EXE
                                                                                                                                          • System Location Discovery: System Language Discovery
                                                                                                                                          • Suspicious behavior: EnumeratesProcesses
                                                                                                                                          • Suspicious use of AdjustPrivilegeToken
                                                                                                                                          PID:224

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Enterprise v15

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        • C:\Windows\SysWOW64\vanpws.exe

                                                                                                                                          Filesize

                                                                                                                                          92KB

                                                                                                                                          MD5

                                                                                                                                          990ced068a35be3f8092c491bf2a6dbb

                                                                                                                                          SHA1

                                                                                                                                          b9303bd5671d66b7b5520da2a12f7243b05235f4

                                                                                                                                          SHA256

                                                                                                                                          22e44f753597c056b7b1eba9728043e7e6dbdf94f0f66f06e6bdd1fdba096fb2

                                                                                                                                          SHA512

                                                                                                                                          28ee629fc56a204f2e40f6f1c42e45dd142800ea07277d8d89f3d7522fbe290d32240668543e679b6e40e6d68b2f9a65cd6bf6168a4d9a79859e49df2ae5f48e

                                                                                                                                        • memory/224-20-0x0000000000400000-0x0000000000436000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          216KB

                                                                                                                                        • memory/4580-6-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4580-2-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4580-1-0x00000000777A2000-0x00000000777A3000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          4KB

                                                                                                                                        • memory/4580-5-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4580-0-0x0000000000400000-0x0000000000436000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          216KB

                                                                                                                                        • memory/4580-3-0x00000000777A2000-0x00000000777A3000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          4KB

                                                                                                                                        • memory/4580-10-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4580-11-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4580-12-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4580-13-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4580-14-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4580-19-0x0000000000400000-0x0000000000436000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          216KB

                                                                                                                                        • memory/4580-4-0x00000000777A3000-0x00000000777A4000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          4KB