Analysis

  • max time kernel
    217s
  • max time network
    242s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2022 11:11

General

  • Target

    3995a9a2bcd8da259d9df6a8b0b4615dfb0c3236f8fd0ab0c65d034e3d506396.dll

  • Size

    73KB

  • MD5

    77e94c42e5cda17d1022d780a93d2a98

  • SHA1

    50b60b4368dbaffd3ff186fc47f763cfaa27293a

  • SHA256

    3995a9a2bcd8da259d9df6a8b0b4615dfb0c3236f8fd0ab0c65d034e3d506396

  • SHA512

    9c0c9b4fcbf43093f3cd716e5bb02568af1808fe7342de473630449c2112658716be9b068450a5130b3d16acdf97b86eb6c23310a4e4db1962108a7be65807db

  • SSDEEP

    1536:omVJdMmJyDl+t7LZpoWyHjmgQifdsW9Uz2X+Ox:ogJuIyDCZRyHj9QGiqUCu+

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:680
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:616
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:808
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:60
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:792
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                2⤵
                  PID:3268
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  2⤵
                    PID:3352
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    2⤵
                      PID:3532
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      2⤵
                        PID:4504
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:3784
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          2⤵
                            PID:3424
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:4856
                            • C:\Windows\system32\SppExtComObj.exe
                              C:\Windows\system32\SppExtComObj.exe -Embedding
                              2⤵
                                PID:1856
                              • C:\Windows\system32\backgroundTaskHost.exe
                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                2⤵
                                  PID:1264
                                • C:\Windows\system32\wbem\wmiprvse.exe
                                  C:\Windows\system32\wbem\wmiprvse.exe
                                  2⤵
                                    PID:4152
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    2⤵
                                      PID:4288
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:816
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                      1⤵
                                        PID:520
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                        1⤵
                                          PID:968
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                          1⤵
                                            PID:740
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k RPCSS -p
                                            1⤵
                                              PID:916
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                              1⤵
                                                PID:932
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                1⤵
                                                  PID:1080
                                                  • C:\Windows\system32\taskhostw.exe
                                                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                    2⤵
                                                      PID:2848
                                                  • C:\Windows\System32\svchost.exe
                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                    1⤵
                                                      PID:1096
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                      1⤵
                                                        PID:1116
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                        1⤵
                                                          PID:1220
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                          1⤵
                                                            PID:1276
                                                            • C:\Windows\system32\sihost.exe
                                                              sihost.exe
                                                              2⤵
                                                                PID:2604
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                              1⤵
                                                                PID:1108
                                                              • C:\Windows\System32\svchost.exe
                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                1⤵
                                                                  PID:1288
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                  1⤵
                                                                    PID:1476
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                    1⤵
                                                                      PID:1532
                                                                    • 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:1400
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                          1⤵
                                                                            PID:1596
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                            1⤵
                                                                              PID:1640
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                              1⤵
                                                                                PID:1648
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                1⤵
                                                                                  PID:2088
                                                                                • C:\Windows\System32\spoolsv.exe
                                                                                  C:\Windows\System32\spoolsv.exe
                                                                                  1⤵
                                                                                    PID:1928
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                    1⤵
                                                                                      PID:2116
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                      1⤵
                                                                                        PID:1348
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                        1⤵
                                                                                          PID:2184
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                          1⤵
                                                                                            PID:1980
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                            1⤵
                                                                                              PID:1956
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                              1⤵
                                                                                                PID:1936
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                1⤵
                                                                                                  PID:1772
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                  1⤵
                                                                                                    PID:1764
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                    1⤵
                                                                                                      PID:2312
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                      1⤵
                                                                                                        PID:2320
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                        1⤵
                                                                                                          PID:2440
                                                                                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                          1⤵
                                                                                                            PID:2460
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                            1⤵
                                                                                                              PID:2496
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                              1⤵
                                                                                                                PID:1676
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                1⤵
                                                                                                                  PID:2508
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                                                  1⤵
                                                                                                                    PID:2520
                                                                                                                  • 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 UnistackSvcGroup -s CDPUserSvc
                                                                                                                      1⤵
                                                                                                                        PID:2788
                                                                                                                      • C:\Windows\Explorer.EXE
                                                                                                                        C:\Windows\Explorer.EXE
                                                                                                                        1⤵
                                                                                                                          PID:2628
                                                                                                                          • C:\Windows\system32\rundll32.exe
                                                                                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3995a9a2bcd8da259d9df6a8b0b4615dfb0c3236f8fd0ab0c65d034e3d506396.dll,#1
                                                                                                                            2⤵
                                                                                                                            • Suspicious use of WriteProcessMemory
                                                                                                                            PID:4260
                                                                                                                            • C:\Windows\SysWOW64\rundll32.exe
                                                                                                                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3995a9a2bcd8da259d9df6a8b0b4615dfb0c3236f8fd0ab0c65d034e3d506396.dll,#1
                                                                                                                              3⤵
                                                                                                                              • Suspicious use of WriteProcessMemory
                                                                                                                              PID:1312
                                                                                                                              • C:\Users\Admin\AppData\Local\Temp\hrlBBED.tmp
                                                                                                                                C:\Users\Admin\AppData\Local\Temp\hrlBBED.tmp
                                                                                                                                4⤵
                                                                                                                                • Modifies firewall policy service
                                                                                                                                • Executes dropped EXE
                                                                                                                                • Drops file in System32 directory
                                                                                                                                • Suspicious behavior: EnumeratesProcesses
                                                                                                                                • Suspicious behavior: MapViewOfSection
                                                                                                                                • Suspicious use of AdjustPrivilegeToken
                                                                                                                                • Suspicious use of SetWindowsHookEx
                                                                                                                                • Suspicious use of WriteProcessMemory
                                                                                                                                PID:4968
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                          1⤵
                                                                                                                            PID:2032
                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                            1⤵
                                                                                                                              PID:1800
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                              1⤵
                                                                                                                                PID:2860
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                1⤵
                                                                                                                                  PID:4864
                                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                                  C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                  1⤵
                                                                                                                                    PID:3972
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                                                                                    1⤵
                                                                                                                                      PID:3808
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                      1⤵
                                                                                                                                        PID:4752
                                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                                                                                        1⤵
                                                                                                                                          PID:4640
                                                                                                                                        • C:\Windows\SysWOW64\segcmu.exe
                                                                                                                                          C:\Windows\SysWOW64\segcmu.exe
                                                                                                                                          1⤵
                                                                                                                                          • Executes dropped EXE
                                                                                                                                          • Loads dropped DLL
                                                                                                                                          • Drops file in System32 directory
                                                                                                                                          • Suspicious behavior: EnumeratesProcesses
                                                                                                                                          • Suspicious use of AdjustPrivilegeToken
                                                                                                                                          • Suspicious use of SetWindowsHookEx
                                                                                                                                          PID:3692

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Enterprise v6

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\hrlBBED.tmp

                                                                                                                                          Filesize

                                                                                                                                          65KB

                                                                                                                                          MD5

                                                                                                                                          c639fbcf3d0131711f15d5aa1b82e490

                                                                                                                                          SHA1

                                                                                                                                          c31553db91295fa020af4cdeac405ec3355aa88f

                                                                                                                                          SHA256

                                                                                                                                          c599fbae010fc0556785d5b71d07ba475c3b4f3293ffeb78f099e8ae32e68f9a

                                                                                                                                          SHA512

                                                                                                                                          3d0daefd3e5dfa269e43c04195bfba97380c3b79e51e5b4b6e5ebaa5adde14367cc9091e3aadc562793d141e3c11b8b56fc274fad41ddcbe0caf2affcab2ecbc

                                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\hrlBBED.tmp

                                                                                                                                          Filesize

                                                                                                                                          65KB

                                                                                                                                          MD5

                                                                                                                                          c639fbcf3d0131711f15d5aa1b82e490

                                                                                                                                          SHA1

                                                                                                                                          c31553db91295fa020af4cdeac405ec3355aa88f

                                                                                                                                          SHA256

                                                                                                                                          c599fbae010fc0556785d5b71d07ba475c3b4f3293ffeb78f099e8ae32e68f9a

                                                                                                                                          SHA512

                                                                                                                                          3d0daefd3e5dfa269e43c04195bfba97380c3b79e51e5b4b6e5ebaa5adde14367cc9091e3aadc562793d141e3c11b8b56fc274fad41ddcbe0caf2affcab2ecbc

                                                                                                                                        • C:\Windows\SysWOW64\hra33.dll

                                                                                                                                          Filesize

                                                                                                                                          73KB

                                                                                                                                          MD5

                                                                                                                                          77e94c42e5cda17d1022d780a93d2a98

                                                                                                                                          SHA1

                                                                                                                                          50b60b4368dbaffd3ff186fc47f763cfaa27293a

                                                                                                                                          SHA256

                                                                                                                                          3995a9a2bcd8da259d9df6a8b0b4615dfb0c3236f8fd0ab0c65d034e3d506396

                                                                                                                                          SHA512

                                                                                                                                          9c0c9b4fcbf43093f3cd716e5bb02568af1808fe7342de473630449c2112658716be9b068450a5130b3d16acdf97b86eb6c23310a4e4db1962108a7be65807db

                                                                                                                                        • C:\Windows\SysWOW64\segcmu.exe

                                                                                                                                          Filesize

                                                                                                                                          65KB

                                                                                                                                          MD5

                                                                                                                                          c639fbcf3d0131711f15d5aa1b82e490

                                                                                                                                          SHA1

                                                                                                                                          c31553db91295fa020af4cdeac405ec3355aa88f

                                                                                                                                          SHA256

                                                                                                                                          c599fbae010fc0556785d5b71d07ba475c3b4f3293ffeb78f099e8ae32e68f9a

                                                                                                                                          SHA512

                                                                                                                                          3d0daefd3e5dfa269e43c04195bfba97380c3b79e51e5b4b6e5ebaa5adde14367cc9091e3aadc562793d141e3c11b8b56fc274fad41ddcbe0caf2affcab2ecbc

                                                                                                                                        • C:\Windows\SysWOW64\segcmu.exe

                                                                                                                                          Filesize

                                                                                                                                          65KB

                                                                                                                                          MD5

                                                                                                                                          c639fbcf3d0131711f15d5aa1b82e490

                                                                                                                                          SHA1

                                                                                                                                          c31553db91295fa020af4cdeac405ec3355aa88f

                                                                                                                                          SHA256

                                                                                                                                          c599fbae010fc0556785d5b71d07ba475c3b4f3293ffeb78f099e8ae32e68f9a

                                                                                                                                          SHA512

                                                                                                                                          3d0daefd3e5dfa269e43c04195bfba97380c3b79e51e5b4b6e5ebaa5adde14367cc9091e3aadc562793d141e3c11b8b56fc274fad41ddcbe0caf2affcab2ecbc

                                                                                                                                        • memory/3692-139-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          84KB

                                                                                                                                        • memory/3692-144-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          84KB

                                                                                                                                        • memory/4968-136-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          84KB

                                                                                                                                        • memory/4968-140-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/4968-141-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          84KB

                                                                                                                                        • memory/4968-142-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB