Analysis

  • max time kernel
    130s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 21:11

General

  • Target

    c1ff7936d3eb96ab174c4411bfb95ae7ba287e0a9abb8cd26002610b62318de4.exe

  • Size

    1.4MB

  • MD5

    8901e13e8e01a6f9223c78a903d8fb46

  • SHA1

    a015f096d431e42e0df67b21c4eabe4ebf2f476a

  • SHA256

    c1ff7936d3eb96ab174c4411bfb95ae7ba287e0a9abb8cd26002610b62318de4

  • SHA512

    f7ae948f33fb2270c5ea5bd150c039592edb8d1511dce1077739f17b4f91c6b43c9075a71f15248f7f94f0c159be3e5dcd189c93b7bcbc99847a8185f374ff08

  • SSDEEP

    24576:q9WQitvyUilzOUxaOWk01G4fbu/F41jen6KXYzkEEknJS7DFN4L3GmPA705sCvsF:q9WDAUozOUxaOyGau6I6WPDvlAAoefk1

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
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:668
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:584
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:1008
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            2⤵
              PID:776
          • 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:892
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch -p
                1⤵
                  PID:784
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    2⤵
                      PID:3456
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      2⤵
                        PID:3552
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        2⤵
                          PID:4068
                        • C:\Windows\system32\SppExtComObj.exe
                          C:\Windows\system32\SppExtComObj.exe -Embedding
                          2⤵
                            PID:3544
                          • C:\Windows\system32\wbem\wmiprvse.exe
                            C:\Windows\system32\wbem\wmiprvse.exe
                            2⤵
                              PID:2316
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              2⤵
                                PID:4820
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                2⤵
                                  PID:3744
                                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                  2⤵
                                    PID:3352
                                  • C:\Windows\system32\DllHost.exe
                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                    2⤵
                                      PID:3244
                                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                      2⤵
                                      • Enumerates system info in registry
                                      • Modifies registry class
                                      • Suspicious use of SetWindowsHookEx
                                      PID:4548
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:768
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                      1⤵
                                        PID:432
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                        1⤵
                                          PID:852
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                          1⤵
                                            PID:684
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                            1⤵
                                              PID:1144
                                              • C:\Windows\system32\taskhostw.exe
                                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                2⤵
                                                  PID:2416
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                1⤵
                                                  PID:1080
                                                • C:\Windows\System32\svchost.exe
                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                  1⤵
                                                    PID:1064
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                    1⤵
                                                      PID:1196
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                      1⤵
                                                        PID:2656
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                        1⤵
                                                          PID:5008
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                          1⤵
                                                            PID:3884
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                            1⤵
                                                              PID:3896
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                              1⤵
                                                                PID:3680
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                1⤵
                                                                  PID:4124
                                                                • C:\Windows\System32\svchost.exe
                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                  1⤵
                                                                    PID:1524
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                    1⤵
                                                                      PID:4572
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                      1⤵
                                                                        PID:2948
                                                                      • C:\Windows\Explorer.EXE
                                                                        C:\Windows\Explorer.EXE
                                                                        1⤵
                                                                          PID:2424
                                                                          • C:\Users\Admin\AppData\Local\Temp\c1ff7936d3eb96ab174c4411bfb95ae7ba287e0a9abb8cd26002610b62318de4.exe
                                                                            "C:\Users\Admin\AppData\Local\Temp\c1ff7936d3eb96ab174c4411bfb95ae7ba287e0a9abb8cd26002610b62318de4.exe"
                                                                            2⤵
                                                                            • Modifies firewall policy service
                                                                            • Drops file in Drivers directory
                                                                            • Drops startup file
                                                                            • Adds Run key to start application
                                                                            • Drops file in Program Files directory
                                                                            • Drops file in Windows directory
                                                                            • Modifies registry class
                                                                            • Suspicious behavior: EnumeratesProcesses
                                                                            • Suspicious behavior: MapViewOfSection
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            • Suspicious use of WriteProcessMemory
                                                                            PID:4468
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                          1⤵
                                                                            PID:2680
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                            1⤵
                                                                              PID:2636
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                              1⤵
                                                                                PID:2612
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                1⤵
                                                                                  PID:2544
                                                                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                  1⤵
                                                                                    PID:2536
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                    1⤵
                                                                                      PID:2444
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                      1⤵
                                                                                        PID:2428
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                        1⤵
                                                                                          PID:2328
                                                                                        • C:\Windows\system32\sihost.exe
                                                                                          sihost.exe
                                                                                          1⤵
                                                                                            PID:2308
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                            1⤵
                                                                                              PID:2224
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                              1⤵
                                                                                                PID:2160
                                                                                              • C:\Windows\System32\spoolsv.exe
                                                                                                C:\Windows\System32\spoolsv.exe
                                                                                                1⤵
                                                                                                  PID:2116
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                  1⤵
                                                                                                    PID:2040
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                    1⤵
                                                                                                      PID:2024
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                      1⤵
                                                                                                        PID:1972
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                                        1⤵
                                                                                                          PID:1964
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                          1⤵
                                                                                                            PID:1920
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                            1⤵
                                                                                                              PID:1804
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                              1⤵
                                                                                                                PID:1780
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                                1⤵
                                                                                                                  PID:1668
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                                  1⤵
                                                                                                                    PID:1640
                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                                    1⤵
                                                                                                                      PID:1620
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                                      1⤵
                                                                                                                        PID:1592
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                                        1⤵
                                                                                                                          PID:1516
                                                                                                                        • 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 LocalService -p -s EventSystem
                                                                                                                            1⤵
                                                                                                                              PID:1448
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                              1⤵
                                                                                                                                PID:1408
                                                                                                                              • 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:1280
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                                    1⤵
                                                                                                                                      PID:1212

                                                                                                                                    Network

                                                                                                                                    MITRE ATT&CK Enterprise v6

                                                                                                                                    Replay Monitor

                                                                                                                                    Loading Replay Monitor...

                                                                                                                                    Downloads

                                                                                                                                    • memory/4468-132-0x0000000000400000-0x0000000000560000-memory.dmp

                                                                                                                                      Filesize

                                                                                                                                      1.4MB

                                                                                                                                    • memory/4468-133-0x0000000000400000-0x0000000000560000-memory.dmp

                                                                                                                                      Filesize

                                                                                                                                      1.4MB

                                                                                                                                    • memory/4548-143-0x000002D306270000-0x000002D306290000-memory.dmp

                                                                                                                                      Filesize

                                                                                                                                      128KB

                                                                                                                                    • memory/4548-144-0x000002D3052D8000-0x000002D3052E0000-memory.dmp

                                                                                                                                      Filesize

                                                                                                                                      32KB

                                                                                                                                    • memory/4548-145-0x000002D306AA0000-0x000002D306AC0000-memory.dmp

                                                                                                                                      Filesize

                                                                                                                                      128KB

                                                                                                                                    • memory/4548-150-0x000002D308162000-0x000002D308165000-memory.dmp

                                                                                                                                      Filesize

                                                                                                                                      12KB

                                                                                                                                    • memory/4548-151-0x000002D308162000-0x000002D308165000-memory.dmp

                                                                                                                                      Filesize

                                                                                                                                      12KB

                                                                                                                                    • memory/4548-152-0x000002D308162000-0x000002D308165000-memory.dmp

                                                                                                                                      Filesize

                                                                                                                                      12KB

                                                                                                                                    • memory/4548-153-0x000002D308162000-0x000002D308165000-memory.dmp

                                                                                                                                      Filesize

                                                                                                                                      12KB