Analysis

  • max time kernel
    151s
  • max time network
    156s
  • 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_2.exe

  • Size

    226KB

  • MD5

    6d5aeb2b084f4fcc5defcd584953acf1

  • SHA1

    56513de25668afef7ee860fec5934d7820a9f1f2

  • SHA256

    1e3c843183830bb4c4f6078e866780b19f6967fa200d809998657f184934998d

  • SHA512

    44f75c3f346d8de8911673ea75ebbdcd54a574b907cb5437ba3f457f487877b33f4e93372179b59e66ccf34383f273298c28ff4e0b6a1fa6cd4e030c84e308bb

  • SSDEEP

    6144:bCahtHLoObzXYsWWYbEqaMyveyjV+nByskr:bNYdbgeyjwyr

Score
10/10

Malware Config

Signatures

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • 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\winlogon.exe
    winlogon.exe
    1⤵
      PID:588
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:800
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:60
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:676
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
            1⤵
              PID:392
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3732
              • C:\Windows\system32\wbem\wmiprvse.exe
                C:\Windows\system32\wbem\wmiprvse.exe
                1⤵
                  PID:924
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k WerSvcGroup
                  1⤵
                    PID:4928
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4616
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                      1⤵
                        PID:2992
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k netsvcs -p
                        1⤵
                          PID:1908
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                          1⤵
                            PID:4896
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                            1⤵
                              PID:4212
                            • C:\Windows\system32\SppExtComObj.exe
                              C:\Windows\system32\SppExtComObj.exe -Embedding
                              1⤵
                                PID:3044
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                1⤵
                                  PID:2132
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                  1⤵
                                    PID:5100
                                  • C:\Windows\System32\svchost.exe
                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                    1⤵
                                      PID:748
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4104
                                      • C:\Windows\system32\DllHost.exe
                                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                        1⤵
                                          PID:4860
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:3300
                                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                            1⤵
                                              PID:3832
                                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                              1⤵
                                                PID:3624
                                              • C:\Windows\system32\DllHost.exe
                                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                1⤵
                                                  PID:3528
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                  1⤵
                                                    PID:3284
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:3192
                                                      • C:\Users\Admin\AppData\Local\Temp\HkMh_2.exe
                                                        "C:\Users\Admin\AppData\Local\Temp\HkMh_2.exe"
                                                        2⤵
                                                        • Modifies firewall policy service
                                                        • Loads dropped DLL
                                                        • Adds Run key to start application
                                                        • Checks processor information in registry
                                                        • Suspicious behavior: EnumeratesProcesses
                                                        • Suspicious behavior: MapViewOfSection
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        • Suspicious use of SetWindowsHookEx
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:1776
                                                    • C:\Windows\system32\taskhostw.exe
                                                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                      1⤵
                                                        PID:2968
                                                      • C:\Windows\system32\wbem\unsecapp.exe
                                                        C:\Windows\system32\wbem\unsecapp.exe -Embedding
                                                        1⤵
                                                          PID:2948
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                          1⤵
                                                            PID:2892
                                                          • C:\Windows\system32\sihost.exe
                                                            sihost.exe
                                                            1⤵
                                                              PID:2836
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                              1⤵
                                                                PID:2520
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                1⤵
                                                                  PID:2496
                                                                • C:\Windows\System32\svchost.exe
                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                  1⤵
                                                                    PID:2484
                                                                  • C:\Windows\sysmon.exe
                                                                    C:\Windows\sysmon.exe
                                                                    1⤵
                                                                      PID:2448
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                      1⤵
                                                                        PID:2404
                                                                      • 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:2296
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                            1⤵
                                                                              PID:2268
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                              1⤵
                                                                                PID:2256
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                1⤵
                                                                                  PID:2192
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                  1⤵
                                                                                    PID:2092
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                    1⤵
                                                                                      PID:2068
                                                                                    • C:\Windows\System32\spoolsv.exe
                                                                                      C:\Windows\System32\spoolsv.exe
                                                                                      1⤵
                                                                                        PID:1588
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                        1⤵
                                                                                          PID:1956
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                          1⤵
                                                                                            PID:1940
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                            1⤵
                                                                                              PID:1892
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                              1⤵
                                                                                                PID:1880
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                1⤵
                                                                                                  PID:1832
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                  1⤵
                                                                                                    PID:1764
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                    1⤵
                                                                                                      PID:1712
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                      1⤵
                                                                                                        PID:1600
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                        1⤵
                                                                                                          PID:1592
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                          1⤵
                                                                                                            PID:1536
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                            1⤵
                                                                                                              PID:1500
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                              1⤵
                                                                                                                PID:1444
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                1⤵
                                                                                                                  PID:1408
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                  1⤵
                                                                                                                    PID:1400
                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                    1⤵
                                                                                                                      PID:1332
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                      1⤵
                                                                                                                        PID:1232
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                        1⤵
                                                                                                                          PID:1108
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                          1⤵
                                                                                                                            PID:1060
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                            1⤵
                                                                                                                              PID:1048
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                              1⤵
                                                                                                                                PID:1036
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                                1⤵
                                                                                                                                  PID:1028
                                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                  1⤵
                                                                                                                                    PID:628
                                                                                                                                  • 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\fontdrvhost.exe
                                                                                                                                        "fontdrvhost.exe"
                                                                                                                                        1⤵
                                                                                                                                          PID:804
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                          1⤵
                                                                                                                                            PID:788

                                                                                                                                          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

                                                                                                                                          Discovery

                                                                                                                                          Query Registry

                                                                                                                                          1
                                                                                                                                          T1012

                                                                                                                                          System Information Discovery

                                                                                                                                          1
                                                                                                                                          T1082

                                                                                                                                          Replay Monitor

                                                                                                                                          Loading Replay Monitor...

                                                                                                                                          Downloads

                                                                                                                                          • C:\Users\Admin\AppData\Local\Temp\lmi7A74.tmp
                                                                                                                                            Filesize

                                                                                                                                            172KB

                                                                                                                                            MD5

                                                                                                                                            685f1cbd4af30a1d0c25f252d399a666

                                                                                                                                            SHA1

                                                                                                                                            6a1b978f5e6150b88c8634146f1406ed97d2f134

                                                                                                                                            SHA256

                                                                                                                                            0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

                                                                                                                                            SHA512

                                                                                                                                            6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

                                                                                                                                          • C:\Users\Admin\AppData\Local\Temp\lmi7A74.tmp
                                                                                                                                            Filesize

                                                                                                                                            172KB

                                                                                                                                            MD5

                                                                                                                                            685f1cbd4af30a1d0c25f252d399a666

                                                                                                                                            SHA1

                                                                                                                                            6a1b978f5e6150b88c8634146f1406ed97d2f134

                                                                                                                                            SHA256

                                                                                                                                            0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

                                                                                                                                            SHA512

                                                                                                                                            6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

                                                                                                                                          • memory/1776-139-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/1776-140-0x0000000000400000-0x0000000000412000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            72KB

                                                                                                                                          • memory/1776-141-0x0000000002070000-0x00000000020E3000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            460KB

                                                                                                                                          • memory/1776-142-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/1776-143-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/1776-144-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/1776-145-0x0000000002070000-0x00000000020E3000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            460KB

                                                                                                                                          • memory/1776-148-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/1776-152-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/1776-155-0x0000000000400000-0x0000000000412000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            72KB

                                                                                                                                          • memory/1776-157-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/1776-161-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/1776-162-0x000000007FE40000-0x000000007FE4C000-memory.dmp
                                                                                                                                            Filesize

                                                                                                                                            48KB