Analysis

  • max time kernel
    144s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 19:10

General

  • Target

    d4bb593da4f4f4ea69a5443203dc06afd720b861915d124fcf4db83bca6bbf9d.exe

  • Size

    134KB

  • MD5

    2b0d2bd3f7671ce51634270c5c51dfa7

  • SHA1

    2578688f8548cd533bf23baf932f272b7b06ec2e

  • SHA256

    d4bb593da4f4f4ea69a5443203dc06afd720b861915d124fcf4db83bca6bbf9d

  • SHA512

    20d4f6b8eff2a05537ec38ccb68df81064afc0791d2336c63c33f37d71bd88a8e9ed7be48d7bbc2a2483c089b0eacd51ac8038ae06cda11fc2f69a72a50f6f91

  • SSDEEP

    3072:ZYGoQzoTYd3bYMSReVJd3uCFkvH5OEeO3YxNC:FzoybmeVJISUiOW

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:652
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:584
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:776
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:1020
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
            1⤵
              PID:712
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
              1⤵
                PID:2712
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                1⤵
                  PID:2704
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3408
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3328
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4716
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                        1⤵
                          PID:1572
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                          1⤵
                            PID:4208
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k WerSvcGroup
                            1⤵
                              PID:1036
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4964 -ip 4964
                                2⤵
                                  PID:2168
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                1⤵
                                  PID:4452
                                • C:\Windows\System32\svchost.exe
                                  C:\Windows\System32\svchost.exe -k netsvcs -p
                                  1⤵
                                    PID:988
                                  • C:\Windows\System32\svchost.exe
                                    C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                    1⤵
                                      PID:5096
                                    • C:\Windows\system32\SppExtComObj.exe
                                      C:\Windows\system32\SppExtComObj.exe -Embedding
                                      1⤵
                                        PID:4464
                                      • C:\Windows\system32\wbem\wmiprvse.exe
                                        C:\Windows\system32\wbem\wmiprvse.exe
                                        1⤵
                                          PID:1964
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                          1⤵
                                            PID:716
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                            1⤵
                                              PID:3636
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                              1⤵
                                                PID:3388
                                              • C:\Windows\system32\DllHost.exe
                                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                1⤵
                                                  PID:4268
                                                • C:\Windows\System32\RuntimeBroker.exe
                                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                  1⤵
                                                    PID:3648
                                                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                    1⤵
                                                      PID:3496
                                                    • C:\Windows\system32\DllHost.exe
                                                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                      1⤵
                                                        PID:3236
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                        1⤵
                                                          PID:2632
                                                        • C:\Windows\Explorer.EXE
                                                          C:\Windows\Explorer.EXE
                                                          1⤵
                                                            PID:3068
                                                            • C:\Users\Admin\AppData\Local\Temp\d4bb593da4f4f4ea69a5443203dc06afd720b861915d124fcf4db83bca6bbf9d.exe
                                                              "C:\Users\Admin\AppData\Local\Temp\d4bb593da4f4f4ea69a5443203dc06afd720b861915d124fcf4db83bca6bbf9d.exe"
                                                              2⤵
                                                              • Modifies firewall policy service
                                                              • Drops file in Drivers directory
                                                              • Enumerates connected drives
                                                              • Drops file in Program Files directory
                                                              • Suspicious behavior: EnumeratesProcesses
                                                              • Suspicious behavior: MapViewOfSection
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:4964
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 1068
                                                                3⤵
                                                                • Program crash
                                                                PID:1324
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                            1⤵
                                                              PID:2724
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                              1⤵
                                                                PID:2692
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                1⤵
                                                                  PID:2624
                                                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                  1⤵
                                                                    PID:2612
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                    1⤵
                                                                      PID:2452
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                      1⤵
                                                                        PID:2444
                                                                      • C:\Windows\system32\taskhostw.exe
                                                                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                                        1⤵
                                                                          PID:2396
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                          1⤵
                                                                            PID:2340
                                                                          • C:\Windows\system32\sihost.exe
                                                                            sihost.exe
                                                                            1⤵
                                                                              PID:2312
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                              1⤵
                                                                                PID:2192
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                1⤵
                                                                                  PID:2152
                                                                                • C:\Windows\System32\spoolsv.exe
                                                                                  C:\Windows\System32\spoolsv.exe
                                                                                  1⤵
                                                                                    PID:2084
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                    1⤵
                                                                                      PID:2068
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                      1⤵
                                                                                        PID:2032
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                        1⤵
                                                                                          PID:1988
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                          1⤵
                                                                                            PID:1892
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                            1⤵
                                                                                              PID:1876
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                              1⤵
                                                                                                PID:1820
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                1⤵
                                                                                                  PID:1792
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                  1⤵
                                                                                                    PID:1720
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                    1⤵
                                                                                                      PID:1644
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                      1⤵
                                                                                                        PID:1636
                                                                                                      • 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 netsvcs -p -s SENS
                                                                                                          1⤵
                                                                                                            PID:1548
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                            1⤵
                                                                                                              PID:1388
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                              1⤵
                                                                                                                PID:1376
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                1⤵
                                                                                                                  PID:1368
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                  1⤵
                                                                                                                    PID:1360
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                    1⤵
                                                                                                                      PID:1300
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                      1⤵
                                                                                                                        PID:1228
                                                                                                                      • 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:1132
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                            1⤵
                                                                                                                              PID:1056
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                              1⤵
                                                                                                                                PID:1044
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                1⤵
                                                                                                                                  PID:732
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                                                                                                  1⤵
                                                                                                                                    PID:436
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                                    1⤵
                                                                                                                                      PID:940
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                                      1⤵
                                                                                                                                        PID:880
                                                                                                                                      • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                        "fontdrvhost.exe"
                                                                                                                                        1⤵
                                                                                                                                          PID:784
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                          1⤵
                                                                                                                                            PID:768

                                                                                                                                          Network

                                                                                                                                          MITRE ATT&CK Enterprise v6

                                                                                                                                          Replay Monitor

                                                                                                                                          Loading Replay Monitor...

                                                                                                                                          Downloads

                                                                                                                                          • memory/4964-135-0x0000000000400000-0x0000000000471000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            452KB

                                                                                                                                          • memory/4964-136-0x0000000000400000-0x0000000000471000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            452KB