Analysis

  • max time kernel
    143s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 04:03

General

  • Target

    4a6bbd8fda180cbd3db6e14ab53374b8aafd79dabe4f039ded9560311ebbc818.exe

  • Size

    672KB

  • MD5

    537d4dcf1d332bf09437b0d11549b1c0

  • SHA1

    6bd50743a64544b7901801ba456693c5d658c40f

  • SHA256

    4a6bbd8fda180cbd3db6e14ab53374b8aafd79dabe4f039ded9560311ebbc818

  • SHA512

    e87da0d8f7518d259d3e382597f3d5cbcb884d6913850bd715db19f797d12c6b15775b2b37705223500cbacde6c2e15372433a165a4f4aadb1c03a6c70068450

  • SSDEEP

    6144:7dbELf/MR/cWdi5pV/JNWOVhMUVbELf/MR/e6xW1MFbKZ871HSrhVDeEt4169rBT:BdOpNX1hQ18bKKiZG16/

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 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\winlogon.exe
    winlogon.exe
    1⤵
      PID:632
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:804
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:404
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:688
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
            1⤵
              PID:440
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
              1⤵
                PID:1196
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                1⤵
                  PID:2096
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                  1⤵
                    PID:2632
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3452
                    • C:\Windows\system32\backgroundTaskHost.exe
                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                      1⤵
                        PID:2704
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k WerSvcGroup
                        1⤵
                          PID:4496
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                          1⤵
                            PID:3852
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k netsvcs -p
                            1⤵
                              PID:4576
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                              1⤵
                                PID:4004
                              • C:\Windows\System32\svchost.exe
                                C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                1⤵
                                  PID:2784
                                • C:\Windows\system32\SppExtComObj.exe
                                  C:\Windows\system32\SppExtComObj.exe -Embedding
                                  1⤵
                                    PID:3724
                                  • C:\Windows\system32\wbem\wmiprvse.exe
                                    C:\Windows\system32\wbem\wmiprvse.exe
                                    1⤵
                                      PID:4464
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                      1⤵
                                        PID:1044
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                        1⤵
                                          PID:2144
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                          1⤵
                                            PID:4968
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:4640
                                            • C:\Windows\system32\DllHost.exe
                                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                              1⤵
                                                PID:3984
                                              • C:\Windows\System32\RuntimeBroker.exe
                                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                1⤵
                                                  PID:3684
                                                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                  1⤵
                                                    PID:3540
                                                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                    1⤵
                                                      PID:3388
                                                    • C:\Windows\system32\DllHost.exe
                                                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                      1⤵
                                                        PID:3280
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                        1⤵
                                                          PID:3096
                                                        • C:\Windows\Explorer.EXE
                                                          C:\Windows\Explorer.EXE
                                                          1⤵
                                                            PID:968
                                                            • C:\Users\Admin\AppData\Local\Temp\4a6bbd8fda180cbd3db6e14ab53374b8aafd79dabe4f039ded9560311ebbc818.exe
                                                              "C:\Users\Admin\AppData\Local\Temp\4a6bbd8fda180cbd3db6e14ab53374b8aafd79dabe4f039ded9560311ebbc818.exe"
                                                              2⤵
                                                              • Modifies firewall policy service
                                                              • Modifies visibility of file extensions in Explorer
                                                              • Modifies visiblity of hidden/system files in Explorer
                                                              • Checks computer location settings
                                                              • Adds Run key to start application
                                                              • Modifies registry class
                                                              • Suspicious behavior: EnumeratesProcesses
                                                              • Suspicious behavior: MapViewOfSection
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:4288
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 2872
                                                                3⤵
                                                                • Program crash
                                                                PID:3512
                                                          • C:\Windows\system32\taskhostw.exe
                                                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                            1⤵
                                                              PID:2892
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                              1⤵
                                                                PID:2656
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                1⤵
                                                                  PID:2644
                                                                • C:\Windows\System32\svchost.exe
                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                  1⤵
                                                                    PID:2624
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                    1⤵
                                                                      PID:2556
                                                                    • C:\Windows\system32\sihost.exe
                                                                      sihost.exe
                                                                      1⤵
                                                                        PID:2528
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                        1⤵
                                                                          PID:2500
                                                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                          1⤵
                                                                            PID:2472
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                            1⤵
                                                                              PID:2344
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                              1⤵
                                                                                PID:2336
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                1⤵
                                                                                  PID:2184
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                  1⤵
                                                                                    PID:2168
                                                                                  • C:\Windows\System32\spoolsv.exe
                                                                                    C:\Windows\System32\spoolsv.exe
                                                                                    1⤵
                                                                                      PID:1848
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                      1⤵
                                                                                        PID:2028
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                        1⤵
                                                                                          PID:1968
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                          1⤵
                                                                                            PID:1956
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                            1⤵
                                                                                              PID:1948
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                              1⤵
                                                                                                PID:1824
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                1⤵
                                                                                                  PID:1812
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                  1⤵
                                                                                                    PID:1724
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                    1⤵
                                                                                                      PID:1696
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                      1⤵
                                                                                                        PID:1680
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                        1⤵
                                                                                                          PID:1604
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                          1⤵
                                                                                                            PID:1500
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                            1⤵
                                                                                                              PID:1452
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                              1⤵
                                                                                                                PID:1416
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                1⤵
                                                                                                                  PID:1384
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                  1⤵
                                                                                                                    PID:1328
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                    1⤵
                                                                                                                      PID:1316
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                      1⤵
                                                                                                                        PID:1232
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                        1⤵
                                                                                                                          PID:1128
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                          1⤵
                                                                                                                            PID:1096
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                            1⤵
                                                                                                                              PID:1032
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                              1⤵
                                                                                                                                PID:388
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                1⤵
                                                                                                                                  PID:672
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                                  1⤵
                                                                                                                                    PID:972
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                                    1⤵
                                                                                                                                      PID:916
                                                                                                                                    • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                      "fontdrvhost.exe"
                                                                                                                                      1⤵
                                                                                                                                        PID:812
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                        1⤵
                                                                                                                                          PID:796
                                                                                                                                          • C:\Windows\System32\RuntimeBroker.exe
                                                                                                                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                                                                                            2⤵
                                                                                                                                              PID:2068
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4288 -ip 4288
                                                                                                                                            1⤵
                                                                                                                                              PID:2264

                                                                                                                                            Network

                                                                                                                                            MITRE ATT&CK Matrix ATT&CK v6

                                                                                                                                            Persistence

                                                                                                                                            Modify Existing Service

                                                                                                                                            1
                                                                                                                                            T1031

                                                                                                                                            Hidden Files and Directories

                                                                                                                                            2
                                                                                                                                            T1158

                                                                                                                                            Registry Run Keys / Startup Folder

                                                                                                                                            1
                                                                                                                                            T1060

                                                                                                                                            Defense Evasion

                                                                                                                                            Modify Registry

                                                                                                                                            4
                                                                                                                                            T1112

                                                                                                                                            Hidden Files and Directories

                                                                                                                                            2
                                                                                                                                            T1158

                                                                                                                                            Discovery

                                                                                                                                            Query Registry

                                                                                                                                            1
                                                                                                                                            T1012

                                                                                                                                            System Information Discovery

                                                                                                                                            2
                                                                                                                                            T1082

                                                                                                                                            Replay Monitor

                                                                                                                                            Loading Replay Monitor...

                                                                                                                                            Downloads

                                                                                                                                            • memory/4288-132-0x0000000000400000-0x00000000004AF000-memory.dmp
                                                                                                                                              Filesize

                                                                                                                                              700KB

                                                                                                                                            • memory/4288-133-0x0000000000400000-0x00000000004AF000-memory.dmp
                                                                                                                                              Filesize

                                                                                                                                              700KB