Analysis

  • max time kernel
    159s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 04:33

General

  • Target

    4634aa878dc0a371e32a93dfc2df2ac16846934ee2677c76092f6e79fcefe0d5.exe

  • Size

    86KB

  • MD5

    0472b4d6302a10e29198157fd454bb30

  • SHA1

    82af6ad92903c36fd983c269d1af14a53c9b9960

  • SHA256

    4634aa878dc0a371e32a93dfc2df2ac16846934ee2677c76092f6e79fcefe0d5

  • SHA512

    d2a690d1970b4ab1100218f1187b671a27b6dba69a358bbc33c5a8a7a07d87f417c15a3b20ce4d5ce5d2c6428f3d3e75469bc1f8610c62acf6f0d31af06f4640

  • SSDEEP

    1536:x/E/8FZkgThtnSe+L6ZtTqI1Rfkq4aEZVoXQ6EFDTbJyoJ9x:xckDkgTPSBCt71RfkqMTosFDTbJyi9

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:668
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:580
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:772
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:1008
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:764
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
              1⤵
                PID:460
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                1⤵
                  PID:936
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                  1⤵
                    PID:384
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k WerSvcGroup
                    1⤵
                      PID:4508
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                      1⤵
                        PID:748
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k netsvcs -p
                        1⤵
                          PID:4700
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                          1⤵
                            PID:1944
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                            1⤵
                              PID:2440
                            • C:\Windows\system32\SppExtComObj.exe
                              C:\Windows\system32\SppExtComObj.exe -Embedding
                              1⤵
                                PID:868
                              • C:\Windows\system32\wbem\wmiprvse.exe
                                C:\Windows\system32\wbem\wmiprvse.exe
                                1⤵
                                  PID:3408
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                  1⤵
                                    PID:4188
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                    1⤵
                                      PID:1828
                                    • C:\Windows\System32\svchost.exe
                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                      1⤵
                                        PID:816
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4648
                                        • C:\Windows\system32\DllHost.exe
                                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                          1⤵
                                            PID:4388
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:3740
                                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                              1⤵
                                                PID:3596
                                              • C:\Windows\System32\RuntimeBroker.exe
                                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                1⤵
                                                  PID:3508
                                                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                  1⤵
                                                    PID:3436
                                                  • C:\Windows\system32\DllHost.exe
                                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                    1⤵
                                                      PID:3344
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                      1⤵
                                                        PID:3124
                                                      • C:\Windows\Explorer.EXE
                                                        C:\Windows\Explorer.EXE
                                                        1⤵
                                                          PID:1084
                                                          • C:\Users\Admin\AppData\Local\Temp\4634aa878dc0a371e32a93dfc2df2ac16846934ee2677c76092f6e79fcefe0d5.exe
                                                            "C:\Users\Admin\AppData\Local\Temp\4634aa878dc0a371e32a93dfc2df2ac16846934ee2677c76092f6e79fcefe0d5.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:1184
                                                        • C:\Windows\system32\taskhostw.exe
                                                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                          1⤵
                                                            PID:2932
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                            1⤵
                                                              PID:2820
                                                            • C:\Windows\system32\sihost.exe
                                                              sihost.exe
                                                              1⤵
                                                                PID:2780
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                1⤵
                                                                  PID:2568
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                  1⤵
                                                                    PID:2552
                                                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                    1⤵
                                                                      PID:2500
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                      1⤵
                                                                        PID:2460
                                                                      • C:\Windows\System32\svchost.exe
                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                        1⤵
                                                                          PID:2444
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                          1⤵
                                                                            PID:2384
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                            1⤵
                                                                              PID:2336
                                                                            • 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 LocalServiceNetworkRestricted -s RmSvc
                                                                                1⤵
                                                                                  PID:2128
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                  1⤵
                                                                                    PID:1192
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                    1⤵
                                                                                      PID:1768
                                                                                    • C:\Windows\System32\spoolsv.exe
                                                                                      C:\Windows\System32\spoolsv.exe
                                                                                      1⤵
                                                                                        PID:1088
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                        1⤵
                                                                                          PID:1980
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                          1⤵
                                                                                            PID:1916
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                            1⤵
                                                                                              PID:1896
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                              1⤵
                                                                                                PID:1792
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                                1⤵
                                                                                                  PID:1780
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                  1⤵
                                                                                                    PID:1772
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                    1⤵
                                                                                                      PID:1724
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                      1⤵
                                                                                                        PID:1596
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                        1⤵
                                                                                                          PID:1576
                                                                                                        • 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 SENS
                                                                                                            1⤵
                                                                                                              PID:1524
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                              1⤵
                                                                                                                PID:1392
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                1⤵
                                                                                                                  PID:1372
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                  1⤵
                                                                                                                    PID:1344
                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                    1⤵
                                                                                                                      PID:1332
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                      1⤵
                                                                                                                        PID:1296
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                        1⤵
                                                                                                                          PID:1212
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                          1⤵
                                                                                                                            PID:1148
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                            1⤵
                                                                                                                              PID:1092
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                              1⤵
                                                                                                                                PID:1072
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                                1⤵
                                                                                                                                  PID:904
                                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                                  1⤵
                                                                                                                                    PID:848
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                                    1⤵
                                                                                                                                      PID:884
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                      1⤵
                                                                                                                                        PID:780

                                                                                                                                      Network

                                                                                                                                      MITRE ATT&CK Enterprise v6

                                                                                                                                      Replay Monitor

                                                                                                                                      Loading Replay Monitor...

                                                                                                                                      Downloads

                                                                                                                                      • memory/1184-132-0x0000000001000000-0x0000000001019000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        100KB

                                                                                                                                      • memory/1184-133-0x0000000001000000-0x0000000001019000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        100KB

                                                                                                                                      • memory/1184-134-0x0000000001000000-0x0000000001019000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        100KB