Analysis

  • max time kernel
    150s
  • max time network
    218s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2022 21:21

General

  • Target

    b5d759aa0d31db7796fbebfe6e6d676a8618dad806938470df5a8b7f93dc2603.exe

  • Size

    118KB

  • MD5

    82e4ef9ff404575a62da35dc95331e17

  • SHA1

    d06292eaa5c16d1b96cc8013092fdec195490935

  • SHA256

    b5d759aa0d31db7796fbebfe6e6d676a8618dad806938470df5a8b7f93dc2603

  • SHA512

    d4da42fc56ddf8a2ce2d9c1ab9676c5d11ccd0e1d7eec49d1ad3012a171793fcf1edbc8b76941547702d0f9cb510d806678cc1efb245ce408ab26f87f052c06b

  • SSDEEP

    1536:A1WQg9RugdkRn+wTlk+Y8ijD0mFEZBrkAi:XQgDpdc+w1nif0mFCtJ

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:600
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:772
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:1020
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:656
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:764
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                2⤵
                  PID:3304
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  2⤵
                    PID:3404
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    2⤵
                      PID:3476
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      2⤵
                        PID:3568
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:3820
                        • C:\Windows\system32\SppExtComObj.exe
                          C:\Windows\system32\SppExtComObj.exe -Embedding
                          2⤵
                            PID:3652
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:4692
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              2⤵
                                PID:4488
                              • C:\Windows\system32\wbem\wmiprvse.exe
                                C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                                2⤵
                                  PID:2676
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                1⤵
                                  PID:440
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                  1⤵
                                    PID:676
                                  • C:\Windows\System32\svchost.exe
                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                    1⤵
                                      PID:1028
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                      1⤵
                                        PID:1156
                                        • C:\Windows\system32\taskhostw.exe
                                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                          2⤵
                                            PID:2960
                                        • 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 netsvcs -p -s ProfSvc
                                            1⤵
                                              PID:1200
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                              1⤵
                                                PID:1044
                                              • 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 DcomLaunch -p -s LSM
                                                  1⤵
                                                    PID:932
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                                    1⤵
                                                      PID:884
                                                    • C:\Windows\system32\fontdrvhost.exe
                                                      "fontdrvhost.exe"
                                                      1⤵
                                                        PID:780
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                        1⤵
                                                          PID:1236
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                          1⤵
                                                            PID:1580
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                            1⤵
                                                              PID:1620
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                              1⤵
                                                                PID:1536
                                                              • C:\Windows\System32\svchost.exe
                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                1⤵
                                                                  PID:1452
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                  1⤵
                                                                    PID:1408
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                    1⤵
                                                                      PID:1384
                                                                      • C:\Windows\system32\sihost.exe
                                                                        sihost.exe
                                                                        2⤵
                                                                          PID:2872
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                        1⤵
                                                                          PID:1376
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                          1⤵
                                                                            PID:1632
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                            1⤵
                                                                              PID:1756
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                              1⤵
                                                                                PID:1680
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                1⤵
                                                                                  PID:1792
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                  1⤵
                                                                                    PID:1896
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                    1⤵
                                                                                      PID:1904
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                      1⤵
                                                                                        PID:1932
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                        1⤵
                                                                                          PID:1996
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                          1⤵
                                                                                            PID:2064
                                                                                          • C:\Windows\System32\spoolsv.exe
                                                                                            C:\Windows\System32\spoolsv.exe
                                                                                            1⤵
                                                                                              PID:992
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                              1⤵
                                                                                                PID:2084
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                1⤵
                                                                                                  PID:2176
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                  1⤵
                                                                                                    PID:2328
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                    1⤵
                                                                                                      PID:2316
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                      1⤵
                                                                                                        PID:2464
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                        1⤵
                                                                                                          PID:2508
                                                                                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                          1⤵
                                                                                                            PID:2532
                                                                                                          • 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:2552
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                1⤵
                                                                                                                  PID:2572
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                                  1⤵
                                                                                                                    PID:2920
                                                                                                                  • C:\Windows\Explorer.EXE
                                                                                                                    C:\Windows\Explorer.EXE
                                                                                                                    1⤵
                                                                                                                      PID:2492
                                                                                                                      • C:\Users\Admin\AppData\Local\Temp\b5d759aa0d31db7796fbebfe6e6d676a8618dad806938470df5a8b7f93dc2603.exe
                                                                                                                        "C:\Users\Admin\AppData\Local\Temp\b5d759aa0d31db7796fbebfe6e6d676a8618dad806938470df5a8b7f93dc2603.exe"
                                                                                                                        2⤵
                                                                                                                        • Modifies firewall policy service
                                                                                                                        • Drops file in Drivers directory
                                                                                                                        • Loads dropped DLL
                                                                                                                        • Enumerates connected drives
                                                                                                                        • Drops file in System32 directory
                                                                                                                        • Suspicious behavior: EnumeratesProcesses
                                                                                                                        • Suspicious behavior: MapViewOfSection
                                                                                                                        • Suspicious use of AdjustPrivilegeToken
                                                                                                                        • Suspicious use of WriteProcessMemory
                                                                                                                        PID:1688
                                                                                                                        • C:\Windows\System32\Conhost.exe
                                                                                                                          \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                                                                                                                          3⤵
                                                                                                                            PID:4944
                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 560
                                                                                                                            3⤵
                                                                                                                            • Program crash
                                                                                                                            PID:2036
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                        1⤵
                                                                                                                          PID:3104
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                          1⤵
                                                                                                                            PID:1920
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                                                                            1⤵
                                                                                                                              PID:4704
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                              1⤵
                                                                                                                                PID:3416
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                1⤵
                                                                                                                                  PID:2868
                                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                                  C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                  1⤵
                                                                                                                                    PID:4652
                                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                                                                                    1⤵
                                                                                                                                      PID:4472
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                      1⤵
                                                                                                                                        PID:3232
                                                                                                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1688 -ip 1688
                                                                                                                                        1⤵
                                                                                                                                          PID:1100

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Enterprise v6

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        • C:\Windows\SysWOW64\netsh.exe

                                                                                                                                          Filesize

                                                                                                                                          104KB

                                                                                                                                          MD5

                                                                                                                                          d505349e52f06c48f1e7a1966e1552b8

                                                                                                                                          SHA1

                                                                                                                                          79fe22c67c85b8053b151fe3b14a5ed1324d6dc2

                                                                                                                                          SHA256

                                                                                                                                          e6f39ac2f232c6303f5d859dd920c05a04c23e73a85b694e8568ce2889864ce6

                                                                                                                                          SHA512

                                                                                                                                          0ac284863d2c4ca2e9bd6f0b95f554b36749a435da6da04cadccebf2fedd3ede8ecc2283413ecc3625a8042e408b5ced25caf612330b0421842df9f64d17cfa6

                                                                                                                                        • memory/1688-132-0x0000000001800000-0x0000000001822000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          136KB

                                                                                                                                        • memory/1688-134-0x0000000000700000-0x0000000000725000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          148KB

                                                                                                                                        • memory/1688-135-0x0000000001800000-0x0000000001822000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          136KB