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Analysis

  • max time kernel
    175s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 21:36

General

  • Target

    c73fa4b97c4188faf98eba38fdeea572c7a939719ff61258a3056b56f9f31df5.exe

  • Size

    133KB

  • MD5

    63feca6b2fc793013b873addaef4f610

  • SHA1

    0f2a5bf9caf207fa118b1550dac2920a5bd9f288

  • SHA256

    c73fa4b97c4188faf98eba38fdeea572c7a939719ff61258a3056b56f9f31df5

  • SHA512

    ec85d8d9f69f8fa1dbc59808647b61d98494ae66997abf819a60b9f936f73d7a5d01466d89ec84c0b6fc5591c4708bca6d41cd2c08b186df04ce19defb8d9212

  • SSDEEP

    3072:pYBjzosGnQpOe237XE35XeE79enCiM5cEwDjAS+umjiJbqrWTI:NsGQwb37XE3ZeykGnqES+vuJSmI

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • VMProtect packed file 6 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 IoCs
  • 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:684
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:624
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:788
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:396
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
            1⤵
              PID:1148
              • C:\Windows\system32\taskhostw.exe
                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                2⤵
                  PID:2704
              • C:\Windows\System32\svchost.exe
                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                1⤵
                  PID:1708
                • C:\Windows\System32\spoolsv.exe
                  C:\Windows\System32\spoolsv.exe
                  1⤵
                    PID:2096
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                    1⤵
                      PID:2184
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3408
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:2740
                        • C:\Windows\system32\wbem\wmiprvse.exe
                          C:\Windows\system32\wbem\wmiprvse.exe
                          1⤵
                            PID:3812
                          • C:\Users\Admin\AppData\Local\Temp\c73fa4b97c4188faf98eba38fdeea572c7a939719ff61258a3056b56f9f31df5.exe
                            "C:\Users\Admin\AppData\Local\Temp\c73fa4b97c4188faf98eba38fdeea572c7a939719ff61258a3056b56f9f31df5.exe"
                            1⤵
                            • Modifies firewall policy service
                            • Drops file in Drivers directory
                            • Sets DLL path for service in the registry
                            • Checks computer location settings
                            • Drops file in Windows directory
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious behavior: MapViewOfSection
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            PID:824
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 1772
                              2⤵
                              • Program crash
                              PID:1492
                          • C:\Windows\system32\backgroundTaskHost.exe
                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                            1⤵
                              PID:2980
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                              1⤵
                                PID:1500
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                1⤵
                                  PID:3280
                                • C:\Windows\system32\SppExtComObj.exe
                                  C:\Windows\system32\SppExtComObj.exe -Embedding
                                  1⤵
                                    PID:2384
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                    1⤵
                                      PID:2260
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                      1⤵
                                        PID:1832
                                      • C:\Windows\System32\svchost.exe
                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                        1⤵
                                          PID:1004
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                          1⤵
                                            PID:4256
                                          • C:\Windows\System32\svchost.exe
                                            C:\Windows\System32\svchost.exe -k netsvcs -p
                                            1⤵
                                              PID:4076
                                            • C:\Windows\System32\RuntimeBroker.exe
                                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                                              1⤵
                                                PID:4624
                                              • C:\Windows\system32\DllHost.exe
                                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                1⤵
                                                  PID:4384
                                                • C:\Windows\System32\RuntimeBroker.exe
                                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                  1⤵
                                                    PID:3720
                                                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                    1⤵
                                                      PID:3572
                                                    • C:\Windows\System32\RuntimeBroker.exe
                                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                      1⤵
                                                        PID:3476
                                                      • C:\Windows\system32\DllHost.exe
                                                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                        1⤵
                                                          PID:3320
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                          1⤵
                                                            PID:3120
                                                          • C:\Windows\Explorer.EXE
                                                            C:\Windows\Explorer.EXE
                                                            1⤵
                                                              PID:2824
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                              1⤵
                                                                PID:2696
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                1⤵
                                                                  PID:2684
                                                                • C:\Windows\System32\svchost.exe
                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                  1⤵
                                                                    PID:2672
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                    1⤵
                                                                      PID:2628
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                      1⤵
                                                                        PID:2608
                                                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                        1⤵
                                                                          PID:2600
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                          1⤵
                                                                            PID:2452
                                                                          • C:\Windows\system32\sihost.exe
                                                                            sihost.exe
                                                                            1⤵
                                                                              PID:2444
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                              1⤵
                                                                                PID:2408
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                1⤵
                                                                                  PID:2400
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                  1⤵
                                                                                    PID:2220
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                    1⤵
                                                                                      PID:2148
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                      1⤵
                                                                                        PID:1420
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                        1⤵
                                                                                          PID:1312
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                          1⤵
                                                                                            PID:2008
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                            1⤵
                                                                                              PID:1988
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                              1⤵
                                                                                                PID:1824
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                1⤵
                                                                                                  PID:1784
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                  1⤵
                                                                                                    PID:1716
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                    1⤵
                                                                                                      PID:1656
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                      1⤵
                                                                                                        PID:1572
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                        1⤵
                                                                                                          PID:1560
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                          1⤵
                                                                                                            PID:1436
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                            1⤵
                                                                                                              PID:1412
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                              1⤵
                                                                                                                PID:1400
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                1⤵
                                                                                                                  PID:1380
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                  1⤵
                                                                                                                    PID:1288
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                    1⤵
                                                                                                                      PID:1252
                                                                                                                    • 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 LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                        1⤵
                                                                                                                          PID:1080
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                          1⤵
                                                                                                                            PID:1072
                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                            1⤵
                                                                                                                              PID:408
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                              1⤵
                                                                                                                                PID:964
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                                                                                                1⤵
                                                                                                                                  PID:708
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                                  1⤵
                                                                                                                                    PID:968
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                                    1⤵
                                                                                                                                      PID:908
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                      1⤵
                                                                                                                                        PID:804
                                                                                                                                      • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                        "fontdrvhost.exe"
                                                                                                                                        1⤵
                                                                                                                                          PID:796
                                                                                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                          C:\Windows\SysWOW64\svchost.exe -k ipv6srvs -s IPv6NetBrowsSvc
                                                                                                                                          1⤵
                                                                                                                                          • Loads dropped DLL
                                                                                                                                          PID:4920
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 316
                                                                                                                                            2⤵
                                                                                                                                            • Program crash
                                                                                                                                            PID:476
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 356
                                                                                                                                            2⤵
                                                                                                                                            • Program crash
                                                                                                                                            PID:3252
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 368
                                                                                                                                            2⤵
                                                                                                                                            • Program crash
                                                                                                                                            PID:4028
                                                                                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4920 -ip 4920
                                                                                                                                          1⤵
                                                                                                                                            PID:1132
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 824 -ip 824
                                                                                                                                            1⤵
                                                                                                                                              PID:4840
                                                                                                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4920 -ip 4920
                                                                                                                                              1⤵
                                                                                                                                                PID:924
                                                                                                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4920 -ip 4920
                                                                                                                                                1⤵
                                                                                                                                                  PID:2756

                                                                                                                                                Network

                                                                                                                                                MITRE ATT&CK Enterprise v6

                                                                                                                                                Replay Monitor

                                                                                                                                                Loading Replay Monitor...

                                                                                                                                                Downloads

                                                                                                                                                • C:\Windows\IPv6NetBrowsSvc.dll

                                                                                                                                                  Filesize

                                                                                                                                                  133KB

                                                                                                                                                  MD5

                                                                                                                                                  15b7e5087c96d838405a252ed27ed468

                                                                                                                                                  SHA1

                                                                                                                                                  fd2923e737b8ca4a9d4f49e79d7d466d5651184a

                                                                                                                                                  SHA256

                                                                                                                                                  56a619e9eb5bcd441c67e527bcd5d21a381aad27dcd8c08d8b73773682068a1b

                                                                                                                                                  SHA512

                                                                                                                                                  bf5f11600d1cce7338b77b216cdc1a2d2f4ad2bdcb243e27566844e592e41901c4494099d1cb6aeb3c60c59963b42e57b20b229ba02c9c728da903ce9ccad5c9

                                                                                                                                                • C:\Windows\IPv6NetBrowsSvc.dll

                                                                                                                                                  Filesize

                                                                                                                                                  133KB

                                                                                                                                                  MD5

                                                                                                                                                  15b7e5087c96d838405a252ed27ed468

                                                                                                                                                  SHA1

                                                                                                                                                  fd2923e737b8ca4a9d4f49e79d7d466d5651184a

                                                                                                                                                  SHA256

                                                                                                                                                  56a619e9eb5bcd441c67e527bcd5d21a381aad27dcd8c08d8b73773682068a1b

                                                                                                                                                  SHA512

                                                                                                                                                  bf5f11600d1cce7338b77b216cdc1a2d2f4ad2bdcb243e27566844e592e41901c4494099d1cb6aeb3c60c59963b42e57b20b229ba02c9c728da903ce9ccad5c9

                                                                                                                                                • C:\Windows\IPv6NetBrowsSvc.dll

                                                                                                                                                  Filesize

                                                                                                                                                  133KB

                                                                                                                                                  MD5

                                                                                                                                                  15b7e5087c96d838405a252ed27ed468

                                                                                                                                                  SHA1

                                                                                                                                                  fd2923e737b8ca4a9d4f49e79d7d466d5651184a

                                                                                                                                                  SHA256

                                                                                                                                                  56a619e9eb5bcd441c67e527bcd5d21a381aad27dcd8c08d8b73773682068a1b

                                                                                                                                                  SHA512

                                                                                                                                                  bf5f11600d1cce7338b77b216cdc1a2d2f4ad2bdcb243e27566844e592e41901c4494099d1cb6aeb3c60c59963b42e57b20b229ba02c9c728da903ce9ccad5c9

                                                                                                                                                • \??\c:\windows\ipv6netbrowssvc.dll

                                                                                                                                                  Filesize

                                                                                                                                                  133KB

                                                                                                                                                  MD5

                                                                                                                                                  15b7e5087c96d838405a252ed27ed468

                                                                                                                                                  SHA1

                                                                                                                                                  fd2923e737b8ca4a9d4f49e79d7d466d5651184a

                                                                                                                                                  SHA256

                                                                                                                                                  56a619e9eb5bcd441c67e527bcd5d21a381aad27dcd8c08d8b73773682068a1b

                                                                                                                                                  SHA512

                                                                                                                                                  bf5f11600d1cce7338b77b216cdc1a2d2f4ad2bdcb243e27566844e592e41901c4494099d1cb6aeb3c60c59963b42e57b20b229ba02c9c728da903ce9ccad5c9

                                                                                                                                                • memory/824-132-0x0000000000401000-0x0000000000404000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  12KB

                                                                                                                                                • memory/824-133-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  248KB

                                                                                                                                                • memory/4920-136-0x0000000000400000-0x000000000043E000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  248KB