Analysis

  • max time kernel
    141s
  • max time network
    153s
  • 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 09:33

General

  • Target

    HkMh.exe

  • Size

    332KB

  • MD5

    1cd12a8269d6ed7af46c6d82dbf0db28

  • SHA1

    cf47e4ce299999ce9b584e29f29cd3942d8abf27

  • SHA256

    83e96c76e59b2d12849e2f92306c76bb90687194326b79546ac9ed2a1d8b6162

  • SHA512

    20106eba738c1e0ef1f544879b4036b81cf19aba8c6d581aa6c546af68c819bd7f283138ba9fed55f82feacfcb4c4dd4ba1e0b5af8bf8de481444292109a9baa

  • SSDEEP

    6144:xBcBaz+oA9IxnN8veMdpRTAZbl/NMe5F+/fAsluDXKVBopxC1rUniJ734maajc3A:sBaz+oA9IxnN8WmAZbRNZOAy3BUHniJX

Score
10/10

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.

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:684
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:628
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:336
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            2⤵
              PID:796
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
            1⤵
              PID:928
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
              1⤵
                PID:1632
              • C:\Windows\System32\svchost.exe
                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                1⤵
                  PID:1872
                • C:\Windows\system32\wbem\unsecapp.exe
                  C:\Windows\system32\wbem\unsecapp.exe -Embedding
                  1⤵
                    PID:3028
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                    1⤵
                      PID:2664
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:4504
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3960
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3780
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3644
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              1⤵
                                PID:3572
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                1⤵
                                  PID:3440
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                  1⤵
                                    PID:3252
                                  • C:\Windows\Explorer.EXE
                                    C:\Windows\Explorer.EXE
                                    1⤵
                                      PID:3080
                                      • C:\Users\Admin\AppData\Local\Temp\HkMh.exe
                                        "C:\Users\Admin\AppData\Local\Temp\HkMh.exe"
                                        2⤵
                                        • Modifies firewall policy service
                                        • Loads dropped DLL
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious behavior: MapViewOfSection
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of SetWindowsHookEx
                                        • Suspicious use of WriteProcessMemory
                                        PID:4100
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2600
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                        1⤵
                                          PID:2544
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                          1⤵
                                            PID:2524
                                          • C:\Windows\System32\svchost.exe
                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                            1⤵
                                              PID:2516
                                            • C:\Windows\sysmon.exe
                                              C:\Windows\sysmon.exe
                                              1⤵
                                                PID:2492
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                1⤵
                                                  PID:2448
                                                • C:\Windows\system32\taskhostw.exe
                                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                  1⤵
                                                    PID:2408
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                    1⤵
                                                      PID:2392
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                      1⤵
                                                        PID:2384
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                        1⤵
                                                          PID:2336
                                                        • C:\Windows\system32\sihost.exe
                                                          sihost.exe
                                                          1⤵
                                                            PID:2316
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                            1⤵
                                                              PID:2140
                                                            • C:\Windows\System32\svchost.exe
                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                              1⤵
                                                                PID:2052
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                1⤵
                                                                  PID:1764
                                                                • C:\Windows\System32\spoolsv.exe
                                                                  C:\Windows\System32\spoolsv.exe
                                                                  1⤵
                                                                    PID:1624
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                    1⤵
                                                                      PID:1952
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                      1⤵
                                                                        PID:1884
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                        1⤵
                                                                          PID:1864
                                                                        • C:\Windows\System32\svchost.exe
                                                                          C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                          1⤵
                                                                            PID:1768
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                            1⤵
                                                                              PID:1744
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                              1⤵
                                                                                PID:1656
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                1⤵
                                                                                  PID:1588
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                  1⤵
                                                                                    PID:1520
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                    1⤵
                                                                                      PID:1476
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                      1⤵
                                                                                        PID:1456
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                        1⤵
                                                                                          PID:1424
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                          1⤵
                                                                                            PID:1360
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                            1⤵
                                                                                              PID:1260
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                              1⤵
                                                                                                PID:1224
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                1⤵
                                                                                                  PID:1216
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                  1⤵
                                                                                                    PID:1160
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                    1⤵
                                                                                                      PID:1068
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                      1⤵
                                                                                                        PID:1056
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                                                        1⤵
                                                                                                          PID:3856
                                                                                                        • C:\Windows\system32\wbem\wmiprvse.exe
                                                                                                          C:\Windows\system32\wbem\wmiprvse.exe
                                                                                                          1⤵
                                                                                                            PID:5108
                                                                                                          • C:\Windows\system32\backgroundTaskHost.exe
                                                                                                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                                                                                            1⤵
                                                                                                              PID:460
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k WerSvcGroup
                                                                                                              1⤵
                                                                                                                PID:4940
                                                                                                              • C:\Windows\System32\RuntimeBroker.exe
                                                                                                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                                                                1⤵
                                                                                                                  PID:3768
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                  1⤵
                                                                                                                    PID:1356
                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                                                                    1⤵
                                                                                                                      PID:2812
                                                                                                                    • C:\Windows\system32\backgroundTaskHost.exe
                                                                                                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                                                                                                      1⤵
                                                                                                                        PID:4324
                                                                                                                      • C:\Windows\system32\backgroundTaskHost.exe
                                                                                                                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                                                                                                        1⤵
                                                                                                                          PID:3540
                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                          C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                          1⤵
                                                                                                                            PID:2244
                                                                                                                          • C:\Windows\system32\SppExtComObj.exe
                                                                                                                            C:\Windows\system32\SppExtComObj.exe -Embedding
                                                                                                                            1⤵
                                                                                                                              PID:2064
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                              1⤵
                                                                                                                                PID:5048
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                                1⤵
                                                                                                                                  PID:2068
                                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                  1⤵
                                                                                                                                    PID:3452
                                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                    1⤵
                                                                                                                                      PID:956
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                                                                                                      1⤵
                                                                                                                                        PID:408
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                                        1⤵
                                                                                                                                          PID:960
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                                          1⤵
                                                                                                                                            PID:912
                                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                                            C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                            1⤵
                                                                                                                                              PID:804
                                                                                                                                            • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                              "fontdrvhost.exe"
                                                                                                                                              1⤵
                                                                                                                                                PID:784

                                                                                                                                              Network

                                                                                                                                              MITRE ATT&CK Matrix ATT&CK v6

                                                                                                                                              Persistence

                                                                                                                                              Modify Existing Service

                                                                                                                                              1
                                                                                                                                              T1031

                                                                                                                                              Defense Evasion

                                                                                                                                              Modify Registry

                                                                                                                                              1
                                                                                                                                              T1112

                                                                                                                                              Replay Monitor

                                                                                                                                              Loading Replay Monitor...

                                                                                                                                              Downloads

                                                                                                                                              • C:\Users\Admin\AppData\Local\Temp\hki675A.tmp
                                                                                                                                                Filesize

                                                                                                                                                172KB

                                                                                                                                                MD5

                                                                                                                                                685f1cbd4af30a1d0c25f252d399a666

                                                                                                                                                SHA1

                                                                                                                                                6a1b978f5e6150b88c8634146f1406ed97d2f134

                                                                                                                                                SHA256

                                                                                                                                                0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

                                                                                                                                                SHA512

                                                                                                                                                6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

                                                                                                                                              • C:\Users\Admin\AppData\Local\Temp\hki675A.tmp
                                                                                                                                                Filesize

                                                                                                                                                172KB

                                                                                                                                                MD5

                                                                                                                                                685f1cbd4af30a1d0c25f252d399a666

                                                                                                                                                SHA1

                                                                                                                                                6a1b978f5e6150b88c8634146f1406ed97d2f134

                                                                                                                                                SHA256

                                                                                                                                                0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

                                                                                                                                                SHA512

                                                                                                                                                6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

                                                                                                                                              • memory/4100-143-0x0000000010000000-0x0000000010024000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                144KB

                                                                                                                                              • memory/4100-140-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4100-141-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4100-142-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4100-133-0x0000000000400000-0x000000000042C000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                176KB

                                                                                                                                              • memory/4100-148-0x0000000002090000-0x0000000002103000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                460KB

                                                                                                                                              • memory/4100-147-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4100-150-0x0000000000400000-0x000000000042C000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                176KB

                                                                                                                                              • memory/4100-153-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4100-154-0x0000000002090000-0x0000000002103000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                460KB

                                                                                                                                              • memory/4100-157-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4100-161-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4100-163-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                                Filesize

                                                                                                                                                48KB