Analysis

  • max time kernel
    231s
  • max time network
    239s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 21:11

General

  • Target

    398575a09f41e8b1da28164960e72cdacb331e24922c999e1b9d1887a6ec5a72.exe

  • Size

    1.4MB

  • MD5

    12a328ce6651249030f5370f255ca63e

  • SHA1

    a8048a259c2aeb4bee82eea524e402add040aa35

  • SHA256

    398575a09f41e8b1da28164960e72cdacb331e24922c999e1b9d1887a6ec5a72

  • SHA512

    ae03500bd52eff224135ffa4ac5030b6d24538b07e8a01db0cd2ffa5a3ba5202c4eb61fd53722886610299d0994895d6fce7538bf6735f4b348d9c47ef0668b0

  • SSDEEP

    24576:z9WQitvyUilzOUxaOWk01G4fbu/F41jen6KXYzkEEknJS7DFN4L3GmPA705sCvsF:z9WDAUozOUxaOyGau6I6WPDvlAAoefk1

Malware Config

Signatures

  • Detected Xorist Ransomware 2 IoCs
  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Xorist Ransomware

    Xorist is a ransomware first seen in 2020.

  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies registry class 10 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:676
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
          1⤵
            PID:828
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
            1⤵
              PID:1632
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
              1⤵
                PID:2140
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                1⤵
                  PID:2604
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3452
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                    1⤵
                      PID:2272
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:1120
                      • C:\Windows\system32\backgroundTaskHost.exe
                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                        1⤵
                          PID:4836
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k netsvcs -p
                          1⤵
                            PID:4132
                          • C:\Windows\system32\backgroundTaskHost.exe
                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                            1⤵
                              PID:2616
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                              1⤵
                                PID:5068
                              • C:\Windows\system32\SppExtComObj.exe
                                C:\Windows\system32\SppExtComObj.exe -Embedding
                                1⤵
                                  PID:3812
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                  1⤵
                                    PID:4756
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                    1⤵
                                      PID:4408
                                    • C:\Windows\System32\svchost.exe
                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                      1⤵
                                        PID:4632
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                        1⤵
                                          PID:1872
                                        • C:\Windows\system32\DllHost.exe
                                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                          1⤵
                                            PID:3084
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:3784
                                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                              1⤵
                                                PID:3532
                                              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                1⤵
                                                  PID:3372
                                                • C:\Windows\system32\DllHost.exe
                                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                  1⤵
                                                    PID:3260
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                    1⤵
                                                      PID:424
                                                    • C:\Windows\Explorer.EXE
                                                      C:\Windows\Explorer.EXE
                                                      1⤵
                                                        PID:964
                                                        • C:\Users\Admin\AppData\Local\Temp\398575a09f41e8b1da28164960e72cdacb331e24922c999e1b9d1887a6ec5a72.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\398575a09f41e8b1da28164960e72cdacb331e24922c999e1b9d1887a6ec5a72.exe"
                                                          2⤵
                                                          • Modifies firewall policy service
                                                          • Drops file in Drivers directory
                                                          • Adds Run key to start application
                                                          • Drops file in Program Files directory
                                                          • Modifies registry class
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious behavior: MapViewOfSection
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:1404
                                                      • C:\Windows\system32\taskhostw.exe
                                                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                        1⤵
                                                          PID:2780
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                          1⤵
                                                            PID:2632
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                            1⤵
                                                              PID:2596
                                                            • 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 NetworkService -p -s CryptSvc
                                                                1⤵
                                                                  PID:2508
                                                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                  1⤵
                                                                    PID:2496
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                    1⤵
                                                                      PID:2468
                                                                    • C:\Windows\system32\sihost.exe
                                                                      sihost.exe
                                                                      1⤵
                                                                        PID:2448
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                        1⤵
                                                                          PID:2332
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                          1⤵
                                                                            PID:2324
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                            1⤵
                                                                              PID:2188
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                              1⤵
                                                                                PID:2100
                                                                              • C:\Windows\System32\spoolsv.exe
                                                                                C:\Windows\System32\spoolsv.exe
                                                                                1⤵
                                                                                  PID:2092
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                  1⤵
                                                                                    PID:1384
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                    1⤵
                                                                                      PID:2004
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                      1⤵
                                                                                        PID:1996
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                        1⤵
                                                                                          PID:1952
                                                                                        • 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 LocalService -p -s netprofm
                                                                                            1⤵
                                                                                              PID:1760
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                              1⤵
                                                                                                PID:1680
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                1⤵
                                                                                                  PID:1672
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                  1⤵
                                                                                                    PID:1596
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                    1⤵
                                                                                                      PID:1472
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                      1⤵
                                                                                                        PID:1464
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                        1⤵
                                                                                                          PID:1456
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                          1⤵
                                                                                                            PID:1360
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                            1⤵
                                                                                                              PID:1320
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                              1⤵
                                                                                                                PID:1252
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                1⤵
                                                                                                                  PID:1212
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                  1⤵
                                                                                                                    PID:1188
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                    1⤵
                                                                                                                      PID:1088
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                      1⤵
                                                                                                                        PID:1076
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                        1⤵
                                                                                                                          PID:1052
                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                          1⤵
                                                                                                                            PID:696
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                                                                                            1⤵
                                                                                                                              PID:524
                                                                                                                            • 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:912
                                                                                                                                • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                  "fontdrvhost.exe"
                                                                                                                                  1⤵
                                                                                                                                    PID:804
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                    1⤵
                                                                                                                                      PID:788
                                                                                                                                      • C:\Windows\system32\wbem\wmiprvse.exe
                                                                                                                                        C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                                                                                                                                        2⤵
                                                                                                                                          PID:4904
                                                                                                                                      • C:\Windows\system32\winlogon.exe
                                                                                                                                        winlogon.exe
                                                                                                                                        1⤵
                                                                                                                                          PID:624

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Enterprise v6

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        • memory/1404-132-0x0000000000400000-0x0000000000560000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          1.4MB

                                                                                                                                        • memory/1404-133-0x0000000000400000-0x0000000000560000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          1.4MB