Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/05/2024, 09:00

General

  • Target

    4f8f68c87060b025a048a61a18250610867b7ee1cea0686e6b27e6c870777baf.exe

  • Size

    73KB

  • MD5

    6dbdeca47da21451535678f2c6dc17e8

  • SHA1

    dbdb639b6c562f4845fc836c7faa445d33861a74

  • SHA256

    4f8f68c87060b025a048a61a18250610867b7ee1cea0686e6b27e6c870777baf

  • SHA512

    5f0c874bacb922e1901b9af94479cabe493bccfe8e06c30f93bd231278019c5a4a27415a4eeece598dc00cc729eff006e8a7f94cd1a924a521e3084bf9ba7d4e

  • SSDEEP

    1536:nXvUyX5kH+oNrnQt07k1sXMilxClvVL3i/t:nXvUyXMcnsRxeMt

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.

  • Executes dropped EXE 1 IoCs
  • 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).

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • 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\winlogon.exe
    winlogon.exe
    1⤵
      PID:636
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:796
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:64
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:688
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:792
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch -p
              1⤵
                PID:808
                • C:\Windows\system32\wbem\unsecapp.exe
                  C:\Windows\system32\wbem\unsecapp.exe -Embedding
                  2⤵
                    PID:876
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    2⤵
                      PID:3732
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      2⤵
                        PID:3828
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:3888
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          2⤵
                            PID:3980
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:3576
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              2⤵
                                PID:4384
                              • C:\Windows\system32\SppExtComObj.exe
                                C:\Windows\system32\SppExtComObj.exe -Embedding
                                2⤵
                                  PID:4664
                                • C:\Windows\system32\DllHost.exe
                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                  2⤵
                                    PID:968
                                  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                    2⤵
                                      PID:2892
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      2⤵
                                        PID:4016
                                      • C:\Windows\system32\backgroundTaskHost.exe
                                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                        2⤵
                                          PID:4464
                                        • C:\Windows\system32\backgroundTaskHost.exe
                                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                          2⤵
                                            PID:4528
                                          • C:\Windows\system32\BackgroundTransferHost.exe
                                            "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                            2⤵
                                              PID:6088
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k RPCSS -p
                                            1⤵
                                              PID:912
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                              1⤵
                                                PID:960
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                1⤵
                                                  PID:528
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                  1⤵
                                                    PID:1028
                                                  • C:\Windows\System32\svchost.exe
                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                    1⤵
                                                      PID:1036
                                                    • C:\Windows\System32\svchost.exe
                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                      1⤵
                                                        PID:1052
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                        1⤵
                                                          PID:1068
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                          1⤵
                                                            PID:1168
                                                            • C:\Windows\system32\taskhostw.exe
                                                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                              2⤵
                                                                PID:2728
                                                              • C:\Windows\system32\MusNotification.exe
                                                                C:\Windows\system32\MusNotification.exe
                                                                2⤵
                                                                  PID:1200
                                                              • C:\Windows\System32\svchost.exe
                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                1⤵
                                                                  PID:1188
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                  1⤵
                                                                    PID:1264
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                    1⤵
                                                                      PID:1296
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                      1⤵
                                                                        PID:1368
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                        1⤵
                                                                          PID:1424
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                          1⤵
                                                                            PID:1464
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                            1⤵
                                                                              PID:1476
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                              1⤵
                                                                                PID:1508
                                                                                • C:\Windows\system32\sihost.exe
                                                                                  sihost.exe
                                                                                  2⤵
                                                                                    PID:2628
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                  1⤵
                                                                                    PID:1648
                                                                                  • 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 LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                      1⤵
                                                                                        PID:1728
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                        1⤵
                                                                                          PID:1808
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                          1⤵
                                                                                            PID:1816
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                            1⤵
                                                                                              PID:2008
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                              1⤵
                                                                                                PID:2028
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                1⤵
                                                                                                  PID:1364
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                  1⤵
                                                                                                    PID:1692
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                                    1⤵
                                                                                                      PID:1772
                                                                                                    • C:\Windows\System32\spoolsv.exe
                                                                                                      C:\Windows\System32\spoolsv.exe
                                                                                                      1⤵
                                                                                                        PID:2128
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                        1⤵
                                                                                                          PID:2172
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                          1⤵
                                                                                                            PID:2204
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                            1⤵
                                                                                                              PID:2356
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                              1⤵
                                                                                                                PID:2496
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                                1⤵
                                                                                                                  PID:2504
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                                  1⤵
                                                                                                                    PID:2652
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                                    1⤵
                                                                                                                      PID:2704
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                      1⤵
                                                                                                                        PID:2776
                                                                                                                      • C:\Windows\sysmon.exe
                                                                                                                        C:\Windows\sysmon.exe
                                                                                                                        1⤵
                                                                                                                          PID:2796
                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                          1⤵
                                                                                                                            PID:2804
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                            1⤵
                                                                                                                              PID:2824
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                                                              1⤵
                                                                                                                                PID:2368
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                                1⤵
                                                                                                                                  PID:3292
                                                                                                                                • C:\Windows\Explorer.EXE
                                                                                                                                  C:\Windows\Explorer.EXE
                                                                                                                                  1⤵
                                                                                                                                    PID:3384
                                                                                                                                    • C:\Users\Admin\AppData\Local\Temp\4f8f68c87060b025a048a61a18250610867b7ee1cea0686e6b27e6c870777baf.exe
                                                                                                                                      "C:\Users\Admin\AppData\Local\Temp\4f8f68c87060b025a048a61a18250610867b7ee1cea0686e6b27e6c870777baf.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:5780
                                                                                                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                        C:\Windows\SysWOW64\WerFault.exe -u -p 5780 -s 1672
                                                                                                                                        3⤵
                                                                                                                                        • Program crash
                                                                                                                                        PID:4404
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                                    1⤵
                                                                                                                                      PID:3532
                                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                      1⤵
                                                                                                                                        PID:4736
                                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                        1⤵
                                                                                                                                          PID:5748
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                          1⤵
                                                                                                                                            PID:5928
                                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                            1⤵
                                                                                                                                              PID:3940
                                                                                                                                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                              1⤵
                                                                                                                                                PID:4000
                                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                                1⤵
                                                                                                                                                  PID:6028
                                                                                                                                                • C:\Windows\jkxjkm.exe
                                                                                                                                                  C:\Windows\jkxjkm.exe
                                                                                                                                                  1⤵
                                                                                                                                                  • Executes dropped EXE
                                                                                                                                                  • Checks processor information in registry
                                                                                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                                                                                                  PID:4892
                                                                                                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5780 -ip 5780
                                                                                                                                                  1⤵
                                                                                                                                                    PID:2552

                                                                                                                                                  Network

                                                                                                                                                        MITRE ATT&CK Enterprise v15

                                                                                                                                                        Replay Monitor

                                                                                                                                                        Loading Replay Monitor...

                                                                                                                                                        Downloads

                                                                                                                                                        • C:\Windows\jkxjkm.exe

                                                                                                                                                          Filesize

                                                                                                                                                          73KB

                                                                                                                                                          MD5

                                                                                                                                                          6dbdeca47da21451535678f2c6dc17e8

                                                                                                                                                          SHA1

                                                                                                                                                          dbdb639b6c562f4845fc836c7faa445d33861a74

                                                                                                                                                          SHA256

                                                                                                                                                          4f8f68c87060b025a048a61a18250610867b7ee1cea0686e6b27e6c870777baf

                                                                                                                                                          SHA512

                                                                                                                                                          5f0c874bacb922e1901b9af94479cabe493bccfe8e06c30f93bd231278019c5a4a27415a4eeece598dc00cc729eff006e8a7f94cd1a924a521e3084bf9ba7d4e

                                                                                                                                                        • memory/4892-16-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          84KB

                                                                                                                                                        • memory/4892-8-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          84KB

                                                                                                                                                        • memory/5780-2-0x0000000077372000-0x0000000077373000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          4KB

                                                                                                                                                        • memory/5780-5-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          48KB

                                                                                                                                                        • memory/5780-0-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          84KB

                                                                                                                                                        • memory/5780-3-0x0000000077373000-0x0000000077374000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          4KB

                                                                                                                                                        • memory/5780-9-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          48KB

                                                                                                                                                        • memory/5780-10-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          48KB

                                                                                                                                                        • memory/5780-13-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          48KB

                                                                                                                                                        • memory/5780-11-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          48KB

                                                                                                                                                        • memory/5780-15-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          84KB

                                                                                                                                                        • memory/5780-1-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          48KB