Analysis

  • max time kernel
    160s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 17:20

General

  • Target

    c3b40a715fd5a1a59b765df7dfb4dc26fe4d517f2aff36abce38a83420cd1b59.exe

  • Size

    89KB

  • MD5

    36b4b5e0fb05a544dd35cba10bdfc2a0

  • SHA1

    3e2b93511ee3a7815cf2c72ebafe1d16b1b2667f

  • SHA256

    c3b40a715fd5a1a59b765df7dfb4dc26fe4d517f2aff36abce38a83420cd1b59

  • SHA512

    64611b735a16affa8713c8d5c0d2e0d5c3ec556829a6874ac529dab7c0a219a29ad284afb1ac1815c600db4f06c01c37c44585b29b9921b16e8d3d1289208ea3

  • SSDEEP

    1536:O/E/8FZxgT7kd29nSe+L6ZtTqI1WdkRddkI5gsCq+QD0eRVQhtmprn60D:OckDxgTAdKSBCt71WdkRdda9tQgebQOL

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:656
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:580
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:1020
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            2⤵
              PID:788
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:772
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                2⤵
                  PID:3420
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  2⤵
                    PID:4484
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                    2⤵
                      PID:4512
                    • C:\Windows\system32\SppExtComObj.exe
                      C:\Windows\system32\SppExtComObj.exe -Embedding
                      2⤵
                        PID:3056
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe
                        2⤵
                          PID:3340
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          2⤵
                            PID:4060
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:3740
                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                              2⤵
                                PID:3512
                              • 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\system32\DllHost.exe
                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                  2⤵
                                    PID:3252
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                  1⤵
                                    PID:1940
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                    1⤵
                                      PID:2092
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                      1⤵
                                        PID:2364
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                        1⤵
                                          PID:2512
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                          1⤵
                                            PID:2580
                                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                            1⤵
                                              PID:2588
                                            • C:\Windows\system32\sihost.exe
                                              sihost.exe
                                              1⤵
                                                PID:2484
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                1⤵
                                                  PID:2692
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                  1⤵
                                                    PID:3136
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                    1⤵
                                                      PID:2836
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                      1⤵
                                                        PID:3760
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                        1⤵
                                                          PID:2980
                                                        • C:\Windows\System32\svchost.exe
                                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                          1⤵
                                                            PID:2124
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                            1⤵
                                                              PID:4420
                                                            • C:\Windows\System32\svchost.exe
                                                              C:\Windows\System32\svchost.exe -k netsvcs -p
                                                              1⤵
                                                                PID:4996
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                1⤵
                                                                  PID:764
                                                                • C:\Windows\Explorer.EXE
                                                                  C:\Windows\Explorer.EXE
                                                                  1⤵
                                                                    PID:2556
                                                                    • C:\Users\Admin\AppData\Local\Temp\c3b40a715fd5a1a59b765df7dfb4dc26fe4d517f2aff36abce38a83420cd1b59.exe
                                                                      "C:\Users\Admin\AppData\Local\Temp\c3b40a715fd5a1a59b765df7dfb4dc26fe4d517f2aff36abce38a83420cd1b59.exe"
                                                                      2⤵
                                                                      • Modifies firewall policy service
                                                                      • Enumerates connected drives
                                                                      • Drops file in System32 directory
                                                                      • Suspicious behavior: EnumeratesProcesses
                                                                      • Suspicious behavior: MapViewOfSection
                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                      • Suspicious use of WriteProcessMemory
                                                                      PID:4860
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                    1⤵
                                                                      PID:2704
                                                                    • C:\Windows\System32\svchost.exe
                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                      1⤵
                                                                        PID:2684
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                        1⤵
                                                                          PID:2628
                                                                        • C:\Windows\system32\taskhostw.exe
                                                                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                                          1⤵
                                                                            PID:2604
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                            1⤵
                                                                              PID:2356
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                              1⤵
                                                                                PID:2156
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                1⤵
                                                                                  PID:2064
                                                                                • C:\Windows\System32\spoolsv.exe
                                                                                  C:\Windows\System32\spoolsv.exe
                                                                                  1⤵
                                                                                    PID:1768
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                    1⤵
                                                                                      PID:2032
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                      1⤵
                                                                                        PID:1932
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                        1⤵
                                                                                          PID:1880
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                          1⤵
                                                                                            PID:1860
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                            1⤵
                                                                                              PID:1752
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                              1⤵
                                                                                                PID:1728
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                1⤵
                                                                                                  PID:1632
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                  1⤵
                                                                                                    PID:1624
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                    1⤵
                                                                                                      PID:1544
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                      1⤵
                                                                                                        PID:1520
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                        1⤵
                                                                                                          PID:1468
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                          1⤵
                                                                                                            PID:1452
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                            1⤵
                                                                                                              PID:1340
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                              1⤵
                                                                                                                PID:1332
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                1⤵
                                                                                                                  PID:1244
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                  1⤵
                                                                                                                    PID:1216
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                    1⤵
                                                                                                                      PID:1196
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                      1⤵
                                                                                                                        PID:1124
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                        1⤵
                                                                                                                          PID:1036
                                                                                                                        • 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 LocalServiceNoNetwork -p
                                                                                                                            1⤵
                                                                                                                              PID:864
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                              1⤵
                                                                                                                                PID:424
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                                                                                                1⤵
                                                                                                                                  PID:432
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                                  1⤵
                                                                                                                                    PID:944
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                                    1⤵
                                                                                                                                      PID:896
                                                                                                                                    • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                      "fontdrvhost.exe"
                                                                                                                                      1⤵
                                                                                                                                        PID:792

                                                                                                                                      Network

                                                                                                                                      MITRE ATT&CK Enterprise v6

                                                                                                                                      Replay Monitor

                                                                                                                                      Loading Replay Monitor...

                                                                                                                                      Downloads

                                                                                                                                      • memory/4860-132-0x0000000001000000-0x000000000101A000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        104KB

                                                                                                                                      • memory/4860-133-0x0000000001000000-0x000000000101A000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        104KB