Analysis

  • max time kernel
    79s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2022 04:47

General

  • Target

    28da1f895909da7af9754a640414c68b5a788ffb87a96d48bdf6ef3078c59b2a.exe

  • Size

    89KB

  • MD5

    20d66c119dda51e51b058ddff50dc0ba

  • SHA1

    55f8821cfe882dba8a71c0412322f9ab0e1d653b

  • SHA256

    28da1f895909da7af9754a640414c68b5a788ffb87a96d48bdf6ef3078c59b2a

  • SHA512

    718ba68d152af0afac6d4aba919d79f4c18305772819a6ec9aa328fd5bd21e2f39eb06eacff1ad56e458e536b082c7a904b61bc8ad48d313f52046d6f3a1327d

  • SSDEEP

    1536:B4LDcIXdWqw4uhJvv5mRwLsDr27cqC15sxNceGh83+lf5bfjB5AOB7vTi:B6lX44O5mRhDr27cqg5KcebODjTT

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:672
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:620
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:788
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:1016
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:780
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                2⤵
                  PID:3640
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  2⤵
                    PID:3484
                  • C:\Windows\system32\SppExtComObj.exe
                    C:\Windows\system32\SppExtComObj.exe -Embedding
                    2⤵
                      PID:3992
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      2⤵
                        PID:644
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:4680
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          2⤵
                            PID:4264
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:3796
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              2⤵
                                PID:3552
                              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                2⤵
                                  PID:3488
                                • C:\Windows\system32\DllHost.exe
                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                  2⤵
                                    PID:3384
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                  1⤵
                                    PID:952
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                    1⤵
                                      PID:900
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:796
                                      • 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:628
                                          • C:\Windows\System32\svchost.exe
                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                            1⤵
                                              PID:752
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                              1⤵
                                                PID:1152
                                                • C:\Windows\system32\taskhostw.exe
                                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                  2⤵
                                                    PID:2512
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                  1⤵
                                                    PID:1040
                                                  • C:\Windows\System32\svchost.exe
                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                    1⤵
                                                      PID:424
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                      1⤵
                                                        PID:1196
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                        1⤵
                                                          PID:1212
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                          1⤵
                                                            PID:1608
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                            1⤵
                                                              PID:1916
                                                            • C:\Windows\system32\sihost.exe
                                                              sihost.exe
                                                              1⤵
                                                                PID:2388
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                1⤵
                                                                  PID:2580
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                  1⤵
                                                                    PID:2704
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                    1⤵
                                                                      PID:2696
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                      1⤵
                                                                        PID:3188
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                        1⤵
                                                                          PID:2256
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                          1⤵
                                                                            PID:700
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                            1⤵
                                                                              PID:4772
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                              1⤵
                                                                                PID:4504
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                1⤵
                                                                                  PID:4244
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                  1⤵
                                                                                    PID:4216
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                                    1⤵
                                                                                      PID:5112
                                                                                    • C:\Windows\Explorer.EXE
                                                                                      C:\Windows\Explorer.EXE
                                                                                      1⤵
                                                                                        PID:2644
                                                                                        • C:\Users\Admin\AppData\Local\Temp\28da1f895909da7af9754a640414c68b5a788ffb87a96d48bdf6ef3078c59b2a.exe
                                                                                          "C:\Users\Admin\AppData\Local\Temp\28da1f895909da7af9754a640414c68b5a788ffb87a96d48bdf6ef3078c59b2a.exe"
                                                                                          2⤵
                                                                                          • Modifies firewall policy service
                                                                                          • Checks computer location settings
                                                                                          • Drops file in Program Files directory
                                                                                          • Suspicious behavior: EnumeratesProcesses
                                                                                          • Suspicious behavior: MapViewOfSection
                                                                                          • Suspicious use of AdjustPrivilegeToken
                                                                                          • Suspicious use of WriteProcessMemory
                                                                                          PID:4812
                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1684
                                                                                            3⤵
                                                                                            • Program crash
                                                                                            PID:2340
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                        1⤵
                                                                                          PID:2720
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                          1⤵
                                                                                            PID:2652
                                                                                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                            1⤵
                                                                                              PID:2588
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                              1⤵
                                                                                                PID:2460
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                1⤵
                                                                                                  PID:2452
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                  1⤵
                                                                                                    PID:2396
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                    1⤵
                                                                                                      PID:2216
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                      1⤵
                                                                                                        PID:2148
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                        1⤵
                                                                                                          PID:1884
                                                                                                        • C:\Windows\System32\spoolsv.exe
                                                                                                          C:\Windows\System32\spoolsv.exe
                                                                                                          1⤵
                                                                                                            PID:1672
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                            1⤵
                                                                                                              PID:2016
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                              1⤵
                                                                                                                PID:1976
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                                1⤵
                                                                                                                  PID:1924
                                                                                                                • 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:1780
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                                      1⤵
                                                                                                                        PID:1692
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                                        1⤵
                                                                                                                          PID:1680
                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                          C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                                          1⤵
                                                                                                                            PID:1616
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                                            1⤵
                                                                                                                              PID:1500
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                              1⤵
                                                                                                                                PID:1468
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                                1⤵
                                                                                                                                  PID:1460
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                                  1⤵
                                                                                                                                    PID:1384
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                                    1⤵
                                                                                                                                      PID:1368
                                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                                      1⤵
                                                                                                                                        PID:1228
                                                                                                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4812 -ip 4812
                                                                                                                                        1⤵
                                                                                                                                          PID:3184

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Enterprise v6

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        • memory/4812-132-0x0000000001000000-0x000000000101A000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          104KB

                                                                                                                                        • memory/4812-133-0x0000000001000000-0x000000000101A000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          104KB