Analysis

  • max time kernel
    151s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2023 09:42

General

  • Target

    ceshi.exe

  • Size

    303KB

  • MD5

    3ddd0fe1b5a21d08007805185072bdd0

  • SHA1

    174d3667b9f266b139f5892c961e7609a6134d79

  • SHA256

    42676dd65d1dbd81f8f8e751790b4412c5a179feb7edb5460cf230463f141299

  • SHA512

    2b633d6be693f46ac07e17c43a7389655e7e7e0ded027e9a82ca120139e0e44c68d1f76b32e34501bb9d4d3dcc9d44997c2803999b9aa1f2fec8f531464fdd9f

  • SSDEEP

    6144:rt8nMnJqNMFSTLeYVvI8vw+Ie51BMz3VolJXUVLAW5w7wIAsKCEc4YgUFk6Oa7HS:doNMsy8I6KFojXUaWQ5KCqOvOaJt+

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
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
      PID:3644
    • C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      1⤵
        PID:1804
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:860
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalService -s W32Time
          1⤵
            PID:2264
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
            1⤵
              PID:3688
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k netsvcs -p
              1⤵
                PID:2652
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                1⤵
                  PID:5072
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                  1⤵
                    PID:1684
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                    1⤵
                      PID:4180
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                      1⤵
                        PID:4200
                      • C:\Windows\system32\SppExtComObj.exe
                        C:\Windows\system32\SppExtComObj.exe -Embedding
                        1⤵
                          PID:4504
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4972
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:4752
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3976
                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                1⤵
                                  PID:3748
                                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                  1⤵
                                    PID:3524
                                  • C:\Windows\system32\DllHost.exe
                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                    1⤵
                                      PID:3432
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                      1⤵
                                        PID:3272
                                      • C:\Windows\Explorer.EXE
                                        C:\Windows\Explorer.EXE
                                        1⤵
                                          PID:2372
                                          • C:\Users\Admin\AppData\Local\Temp\ceshi.exe
                                            "C:\Users\Admin\AppData\Local\Temp\ceshi.exe"
                                            2⤵
                                            • Modifies firewall policy service
                                            • Sets DLL path for service in the registry
                                            • Loads dropped DLL
                                            • Drops file in System32 directory
                                            • Suspicious behavior: EnumeratesProcesses
                                            • Suspicious behavior: MapViewOfSection
                                            • Suspicious use of AdjustPrivilegeToken
                                            • Suspicious use of SetWindowsHookEx
                                            • Suspicious use of WriteProcessMemory
                                            PID:4360
                                        • C:\Windows\system32\wbem\unsecapp.exe
                                          C:\Windows\system32\wbem\unsecapp.exe -Embedding
                                          1⤵
                                            PID:768
                                          • C:\Windows\system32\taskhostw.exe
                                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                            1⤵
                                              PID:2896
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                              1⤵
                                                PID:2776
                                              • C:\Windows\system32\sihost.exe
                                                sihost.exe
                                                1⤵
                                                  PID:2664
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                  1⤵
                                                    PID:2496
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                    1⤵
                                                      PID:2488
                                                    • C:\Windows\System32\svchost.exe
                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                      1⤵
                                                        PID:2468
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                        1⤵
                                                          PID:2444
                                                        • C:\Windows\sysmon.exe
                                                          C:\Windows\sysmon.exe
                                                          1⤵
                                                            PID:2428
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                            1⤵
                                                              PID:2324
                                                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                              1⤵
                                                                PID:2312
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                1⤵
                                                                  PID:2284
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                  1⤵
                                                                    PID:2276
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                    1⤵
                                                                      PID:2092
                                                                    • C:\Windows\System32\svchost.exe
                                                                      C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                      1⤵
                                                                        PID:1708
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                        1⤵
                                                                          PID:984
                                                                        • C:\Windows\System32\spoolsv.exe
                                                                          C:\Windows\System32\spoolsv.exe
                                                                          1⤵
                                                                            PID:2028
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                            1⤵
                                                                              PID:1936
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                              1⤵
                                                                                PID:1864
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                1⤵
                                                                                  PID:1844
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                  1⤵
                                                                                    PID:1832
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                    1⤵
                                                                                      PID:1824
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                      1⤵
                                                                                        PID:1740
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                        1⤵
                                                                                          PID:1664
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                          1⤵
                                                                                            PID:1616
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                            1⤵
                                                                                              PID:1564
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                              1⤵
                                                                                                PID:1552
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                1⤵
                                                                                                  PID:1460
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                  1⤵
                                                                                                    PID:1452
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                    1⤵
                                                                                                      PID:1432
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                      1⤵
                                                                                                        PID:1324
                                                                                                      • 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 LocalService -p -s DispBrokerDesktopSvc
                                                                                                          1⤵
                                                                                                            PID:1236
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                            1⤵
                                                                                                              PID:1192
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                              1⤵
                                                                                                                PID:1092
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                1⤵
                                                                                                                  PID:1076
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                  1⤵
                                                                                                                    PID:1044
                                                                                                                  • 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:616
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                                                                                        1⤵
                                                                                                                          PID:432
                                                                                                                        • C:\Windows\system32\dwm.exe
                                                                                                                          "dwm.exe"
                                                                                                                          1⤵
                                                                                                                            PID:1008
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                            1⤵
                                                                                                                              PID:944
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                              1⤵
                                                                                                                                PID:888
                                                                                                                              • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                "fontdrvhost.exe"
                                                                                                                                1⤵
                                                                                                                                  PID:804
                                                                                                                                • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                  "fontdrvhost.exe"
                                                                                                                                  1⤵
                                                                                                                                    PID:796
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                    1⤵
                                                                                                                                      PID:772
                                                                                                                                    • C:\Windows\system32\lsass.exe
                                                                                                                                      C:\Windows\system32\lsass.exe
                                                                                                                                      1⤵
                                                                                                                                        PID:664
                                                                                                                                      • C:\Windows\system32\winlogon.exe
                                                                                                                                        winlogon.exe
                                                                                                                                        1⤵
                                                                                                                                          PID:604
                                                                                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                          C:\Windows\SysWOW64\svchost.exe -k netsvcs
                                                                                                                                          1⤵
                                                                                                                                          • Loads dropped DLL
                                                                                                                                          PID:1220

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Matrix ATT&CK v6

                                                                                                                                        Persistence

                                                                                                                                        Modify Existing Service

                                                                                                                                        1
                                                                                                                                        T1031

                                                                                                                                        Registry Run Keys / Startup Folder

                                                                                                                                        1
                                                                                                                                        T1060

                                                                                                                                        Defense Evasion

                                                                                                                                        Modify Registry

                                                                                                                                        2
                                                                                                                                        T1112

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\rki68B1.tmp
                                                                                                                                          Filesize

                                                                                                                                          172KB

                                                                                                                                          MD5

                                                                                                                                          685f1cbd4af30a1d0c25f252d399a666

                                                                                                                                          SHA1

                                                                                                                                          6a1b978f5e6150b88c8634146f1406ed97d2f134

                                                                                                                                          SHA256

                                                                                                                                          0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

                                                                                                                                          SHA512

                                                                                                                                          6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

                                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\rki68B1.tmp
                                                                                                                                          Filesize

                                                                                                                                          172KB

                                                                                                                                          MD5

                                                                                                                                          685f1cbd4af30a1d0c25f252d399a666

                                                                                                                                          SHA1

                                                                                                                                          6a1b978f5e6150b88c8634146f1406ed97d2f134

                                                                                                                                          SHA256

                                                                                                                                          0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

                                                                                                                                          SHA512

                                                                                                                                          6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

                                                                                                                                        • C:\Windows\SysWOW64\Winds.dll
                                                                                                                                          Filesize

                                                                                                                                          96KB

                                                                                                                                          MD5

                                                                                                                                          2aa77acb6bbb0776f1c619cdc27374b6

                                                                                                                                          SHA1

                                                                                                                                          f2afb28195caa694927977201ed14dd25827fb2b

                                                                                                                                          SHA256

                                                                                                                                          c0338a019c36f33f9189d3a97f104e915acdc953be6b2c0bfb74453bf2fbf522

                                                                                                                                          SHA512

                                                                                                                                          351aecaec4ddaced31921707faadd1f20b973526141c4944fa1e7b0ceed86e2af7f3eeddeb9e5af4388de25fc981a5eaf688c189e2ab07f774fedf44638d5fb6

                                                                                                                                        • \??\c:\windows\SysWOW64\winds.dll
                                                                                                                                          Filesize

                                                                                                                                          96KB

                                                                                                                                          MD5

                                                                                                                                          2aa77acb6bbb0776f1c619cdc27374b6

                                                                                                                                          SHA1

                                                                                                                                          f2afb28195caa694927977201ed14dd25827fb2b

                                                                                                                                          SHA256

                                                                                                                                          c0338a019c36f33f9189d3a97f104e915acdc953be6b2c0bfb74453bf2fbf522

                                                                                                                                          SHA512

                                                                                                                                          351aecaec4ddaced31921707faadd1f20b973526141c4944fa1e7b0ceed86e2af7f3eeddeb9e5af4388de25fc981a5eaf688c189e2ab07f774fedf44638d5fb6

                                                                                                                                        • memory/4360-139-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4360-140-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4360-141-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4360-143-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4360-148-0x00000000020A0000-0x0000000002113000-memory.dmp
                                                                                                                                          Filesize

                                                                                                                                          460KB

                                                                                                                                        • memory/4360-149-0x0000000000400000-0x0000000000424000-memory.dmp
                                                                                                                                          Filesize

                                                                                                                                          144KB