Analysis

  • max time kernel
    180s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2022, 11:07

General

  • Target

    490eb9dcf04ca1f34ca231aef541734960934048b1a1bb0f9ec72a95a1e62a2f.exe

  • Size

    58KB

  • MD5

    402221c8ab581814c3cfc976f0f6fc20

  • SHA1

    872b25ba7cf27e101d3fc28b95642ca6f37d9192

  • SHA256

    490eb9dcf04ca1f34ca231aef541734960934048b1a1bb0f9ec72a95a1e62a2f

  • SHA512

    a97c2156b169b0fd343a3d9e7fb7eb99c0f20a034605c02dcaee0ef950460cf0634b15f25b4b39b3bf4005b234a7d708af85c95f2399d48a96322829db462676

  • SSDEEP

    1536:hHcyXGhlYLDk280Q1yDXv7dr5JFsskMLDN6:hHcyX7CyDXvdKsv16

Score
10/10

Malware Config

Signatures

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

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 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:616
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:796
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:60
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:780
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                2⤵
                  PID:3488
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  2⤵
                    PID:3412
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    2⤵
                      PID:3316
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      2⤵
                        PID:3588
                      • C:\Windows\system32\SppExtComObj.exe
                        C:\Windows\system32\SppExtComObj.exe -Embedding
                        2⤵
                          PID:2604
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          2⤵
                            PID:4340
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:4940
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              2⤵
                                PID:4584
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                2⤵
                                  PID:3780
                                • C:\Windows\system32\wbem\wmiprvse.exe
                                  C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                                  2⤵
                                    PID:4760
                                • 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:904
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:804
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                        1⤵
                                          PID:2112
                                        • C:\Windows\System32\spoolsv.exe
                                          C:\Windows\System32\spoolsv.exe
                                          1⤵
                                            PID:2068
                                          • C:\Windows\System32\svchost.exe
                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                            1⤵
                                              PID:1756
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                              1⤵
                                                PID:2008
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                1⤵
                                                  PID:1996
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                  1⤵
                                                    PID:1944
                                                  • C:\Windows\System32\svchost.exe
                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                    1⤵
                                                      PID:1820
                                                    • C:\Windows\System32\svchost.exe
                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                      1⤵
                                                        PID:1808
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                        1⤵
                                                          PID:1716
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                          1⤵
                                                            PID:1672
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                            1⤵
                                                              PID:1652
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                              1⤵
                                                                PID:2404
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                1⤵
                                                                  PID:2384
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                  1⤵
                                                                    PID:2376
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                    1⤵
                                                                      PID:2204
                                                                    • C:\Windows\System32\svchost.exe
                                                                      C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                      1⤵
                                                                        PID:2172
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                        1⤵
                                                                          PID:1580
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                          1⤵
                                                                            PID:1508
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                            1⤵
                                                                              PID:1392
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                              1⤵
                                                                                PID:1380
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                1⤵
                                                                                  PID:1344
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                  1⤵
                                                                                    PID:1332
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                    1⤵
                                                                                      PID:1316
                                                                                      • C:\Windows\system32\sihost.exe
                                                                                        sihost.exe
                                                                                        2⤵
                                                                                          PID:2852
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                        1⤵
                                                                                          PID:1216
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                          1⤵
                                                                                            PID:1168
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                            1⤵
                                                                                              PID:1076
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                              1⤵
                                                                                                PID:1068
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                1⤵
                                                                                                  PID:1060
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                  1⤵
                                                                                                    PID:1016
                                                                                                    • C:\Windows\system32\taskhostw.exe
                                                                                                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                                                                      2⤵
                                                                                                        PID:2952
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                      1⤵
                                                                                                        PID:824
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                                                                        1⤵
                                                                                                          PID:516
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                          1⤵
                                                                                                            PID:3120
                                                                                                          • C:\Windows\Explorer.EXE
                                                                                                            C:\Windows\Explorer.EXE
                                                                                                            1⤵
                                                                                                              PID:1272
                                                                                                              • C:\Users\Admin\AppData\Local\Temp\490eb9dcf04ca1f34ca231aef541734960934048b1a1bb0f9ec72a95a1e62a2f.exe
                                                                                                                "C:\Users\Admin\AppData\Local\Temp\490eb9dcf04ca1f34ca231aef541734960934048b1a1bb0f9ec72a95a1e62a2f.exe"
                                                                                                                2⤵
                                                                                                                • Modifies firewall policy service
                                                                                                                • Checks computer location settings
                                                                                                                • Drops file in System32 directory
                                                                                                                • Drops file in Windows directory
                                                                                                                • Suspicious behavior: EnumeratesProcesses
                                                                                                                • Suspicious behavior: MapViewOfSection
                                                                                                                • Suspicious use of AdjustPrivilegeToken
                                                                                                                • Suspicious use of WriteProcessMemory
                                                                                                                PID:2196
                                                                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                  C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 1724
                                                                                                                  3⤵
                                                                                                                  • Program crash
                                                                                                                  PID:5040
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                              1⤵
                                                                                                                PID:2876
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                1⤵
                                                                                                                  PID:2572
                                                                                                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                  1⤵
                                                                                                                    PID:2528
                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                                                                    1⤵
                                                                                                                      PID:1632
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                      1⤵
                                                                                                                        PID:2444
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                        1⤵
                                                                                                                          PID:4704
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                                                                          1⤵
                                                                                                                            PID:3916
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                            1⤵
                                                                                                                              PID:4768
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                              1⤵
                                                                                                                                PID:4068
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                1⤵
                                                                                                                                  PID:4720
                                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                                  1⤵
                                                                                                                                    PID:2492
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                                                                    1⤵
                                                                                                                                      PID:2456
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                                      1⤵
                                                                                                                                        PID:2448
                                                                                                                                      • C:\Windows\cugcue.exe
                                                                                                                                        C:\Windows\cugcue.exe
                                                                                                                                        1⤵
                                                                                                                                        • Executes dropped EXE
                                                                                                                                        • Suspicious behavior: EnumeratesProcesses
                                                                                                                                        • Suspicious use of AdjustPrivilegeToken
                                                                                                                                        PID:5036
                                                                                                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2196 -ip 2196
                                                                                                                                        1⤵
                                                                                                                                          PID:3632

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Enterprise v6

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        • C:\Windows\cugcue.exe

                                                                                                                                          Filesize

                                                                                                                                          58KB

                                                                                                                                          MD5

                                                                                                                                          402221c8ab581814c3cfc976f0f6fc20

                                                                                                                                          SHA1

                                                                                                                                          872b25ba7cf27e101d3fc28b95642ca6f37d9192

                                                                                                                                          SHA256

                                                                                                                                          490eb9dcf04ca1f34ca231aef541734960934048b1a1bb0f9ec72a95a1e62a2f

                                                                                                                                          SHA512

                                                                                                                                          a97c2156b169b0fd343a3d9e7fb7eb99c0f20a034605c02dcaee0ef950460cf0634b15f25b4b39b3bf4005b234a7d708af85c95f2399d48a96322829db462676

                                                                                                                                        • C:\Windows\cugcue.exe

                                                                                                                                          Filesize

                                                                                                                                          58KB

                                                                                                                                          MD5

                                                                                                                                          402221c8ab581814c3cfc976f0f6fc20

                                                                                                                                          SHA1

                                                                                                                                          872b25ba7cf27e101d3fc28b95642ca6f37d9192

                                                                                                                                          SHA256

                                                                                                                                          490eb9dcf04ca1f34ca231aef541734960934048b1a1bb0f9ec72a95a1e62a2f

                                                                                                                                          SHA512

                                                                                                                                          a97c2156b169b0fd343a3d9e7fb7eb99c0f20a034605c02dcaee0ef950460cf0634b15f25b4b39b3bf4005b234a7d708af85c95f2399d48a96322829db462676

                                                                                                                                        • memory/2196-132-0x0000000000400000-0x0000000000412000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          72KB

                                                                                                                                        • memory/2196-136-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/2196-137-0x0000000000400000-0x0000000000412000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          72KB

                                                                                                                                        • memory/2196-138-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/5036-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          72KB

                                                                                                                                        • memory/5036-139-0x0000000000400000-0x0000000000412000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          72KB