Analysis

  • max time kernel
    94s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 18:24

General

  • Target

    99cf61fce5dc1b5ce8080b968b0ffd36a293fb8755e6c1acf56bf4a8ca832b12.exe

  • Size

    37KB

  • MD5

    e4ab58a21de691f6df0994936619b704

  • SHA1

    b8655320679684d1c28d6180a62f190883fd3527

  • SHA256

    99cf61fce5dc1b5ce8080b968b0ffd36a293fb8755e6c1acf56bf4a8ca832b12

  • SHA512

    297ab8a96a24505f4fa504ecbbf6f3c766a1a53104c979d4a8ce932dbe1340d953301c371e651112b79c2ed85ef235e04f8d7d32d50487e7050e84bdfb148ba7

  • SSDEEP

    768:NRrgLWAzIaRPsGtUHoVTp6OxZ0d01coO269UVv/:PGsapQIVcO729UVv/

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Phorphiex family
  • Phorphiex payload 1 IoCs
  • Phorphiex, Phorpiex

    Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:768
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:392
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:664
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:772
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch -p
              1⤵
                PID:784
                • C:\Windows\system32\wbem\unsecapp.exe
                  C:\Windows\system32\wbem\unsecapp.exe -Embedding
                  2⤵
                    PID:1076
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    2⤵
                      PID:3824
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      2⤵
                        PID:3920
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:3996
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          2⤵
                            PID:4076
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:4116
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              2⤵
                                PID:2076
                              • C:\Windows\system32\SppExtComObj.exe
                                C:\Windows\system32\SppExtComObj.exe -Embedding
                                2⤵
                                  PID:4180
                                • C:\Windows\system32\DllHost.exe
                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                  2⤵
                                    PID:3688
                                  • 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:1388
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      2⤵
                                        PID:4412
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k RPCSS -p
                                      1⤵
                                        PID:900
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                        1⤵
                                          PID:948
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                          1⤵
                                            PID:400
                                          • C:\Windows\System32\svchost.exe
                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                            1⤵
                                              PID:1016
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                              1⤵
                                                PID:944
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                1⤵
                                                  PID:1080
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                  1⤵
                                                    PID:1092
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                    1⤵
                                                      PID:1160
                                                      • C:\Windows\system32\taskhostw.exe
                                                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                        2⤵
                                                          PID:2828
                                                        • C:\Windows\system32\MusNotification.exe
                                                          C:\Windows\system32\MusNotification.exe
                                                          2⤵
                                                            PID:1888
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                          1⤵
                                                            PID:1240
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                            1⤵
                                                              PID:1248
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                              1⤵
                                                                PID:1316
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                1⤵
                                                                  PID:1352
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                  1⤵
                                                                    PID:1464
                                                                    • C:\Windows\system32\sihost.exe
                                                                      sihost.exe
                                                                      2⤵
                                                                        PID:2656
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                      1⤵
                                                                        PID:1488
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                        1⤵
                                                                          PID:1500
                                                                        • C:\Windows\System32\svchost.exe
                                                                          C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                          1⤵
                                                                            PID:1512
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                            1⤵
                                                                              PID:1664
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                              1⤵
                                                                                PID:1700
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                1⤵
                                                                                  PID:1736
                                                                                • 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 LocalServiceNetworkRestricted -p
                                                                                    1⤵
                                                                                      PID:1856
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                      1⤵
                                                                                        PID:1988
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                        1⤵
                                                                                          PID:2000
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                          1⤵
                                                                                            PID:1380
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                            1⤵
                                                                                              PID:1372
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                              1⤵
                                                                                                PID:1876
                                                                                              • C:\Windows\System32\spoolsv.exe
                                                                                                C:\Windows\System32\spoolsv.exe
                                                                                                1⤵
                                                                                                  PID:2084
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                  1⤵
                                                                                                    PID:2176
                                                                                                  • 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:2336
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                        1⤵
                                                                                                          PID:2520
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                          1⤵
                                                                                                            PID:2528
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                            1⤵
                                                                                                              PID:2664
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                              1⤵
                                                                                                                PID:2740
                                                                                                              • C:\Windows\sysmon.exe
                                                                                                                C:\Windows\sysmon.exe
                                                                                                                1⤵
                                                                                                                  PID:2796
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                  1⤵
                                                                                                                    PID:2820
                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                    1⤵
                                                                                                                      PID:2840
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                      1⤵
                                                                                                                        PID:2868
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                                                        1⤵
                                                                                                                          PID:2728
                                                                                                                        • C:\Windows\Explorer.EXE
                                                                                                                          C:\Windows\Explorer.EXE
                                                                                                                          1⤵
                                                                                                                            PID:3460
                                                                                                                            • C:\Users\Admin\AppData\Local\Temp\99cf61fce5dc1b5ce8080b968b0ffd36a293fb8755e6c1acf56bf4a8ca832b12.exe
                                                                                                                              "C:\Users\Admin\AppData\Local\Temp\99cf61fce5dc1b5ce8080b968b0ffd36a293fb8755e6c1acf56bf4a8ca832b12.exe"
                                                                                                                              2⤵
                                                                                                                              • Modifies firewall policy service
                                                                                                                              • Checks computer location settings
                                                                                                                              • System Location Discovery: System Language Discovery
                                                                                                                              • Suspicious behavior: EnumeratesProcesses
                                                                                                                              • Suspicious behavior: MapViewOfSection
                                                                                                                              • Suspicious use of AdjustPrivilegeToken
                                                                                                                              • Suspicious use of WriteProcessMemory
                                                                                                                              PID:3384
                                                                                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                C:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 1756
                                                                                                                                3⤵
                                                                                                                                • Program crash
                                                                                                                                PID:2068
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                            1⤵
                                                                                                                              PID:3492
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                              1⤵
                                                                                                                                PID:3640
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                1⤵
                                                                                                                                  PID:2416
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                  1⤵
                                                                                                                                    PID:4744
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                    1⤵
                                                                                                                                      PID:3992
                                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                      1⤵
                                                                                                                                        PID:2764
                                                                                                                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                        1⤵
                                                                                                                                          PID:3236
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                          1⤵
                                                                                                                                            PID:1652
                                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
                                                                                                                                            1⤵
                                                                                                                                              PID:4460
                                                                                                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3384 -ip 3384
                                                                                                                                              1⤵
                                                                                                                                                PID:4948

                                                                                                                                              Network

                                                                                                                                              MITRE ATT&CK Enterprise v15

                                                                                                                                              Replay Monitor

                                                                                                                                              Loading Replay Monitor...

                                                                                                                                              Downloads

                                                                                                                                              • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\tdrpl[1].exe

                                                                                                                                                Filesize

                                                                                                                                                79KB

                                                                                                                                                MD5

                                                                                                                                                0c883b1d66afce606d9830f48d69d74b

                                                                                                                                                SHA1

                                                                                                                                                fe431fe73a4749722496f19b3b3ca0b629b50131

                                                                                                                                                SHA256

                                                                                                                                                d921fc993574c8be76553bcf4296d2851e48ee39b958205e69bdfd7cf661d2b1

                                                                                                                                                SHA512

                                                                                                                                                c047452a23efad4262479fbfeb5e23f9497d7cefd4cbb58e869801206669c2a0759698c70d18050316798d5d939b989537fdce3842aa742449f5e08ed7fa60a5

                                                                                                                                              • memory/3384-0-0x0000000000400000-0x000000000040E000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                56KB

                                                                                                                                              • memory/3384-2-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/3384-4-0x0000000077513000-0x0000000077514000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                4KB

                                                                                                                                              • memory/3384-3-0x0000000077512000-0x0000000077513000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                4KB

                                                                                                                                              • memory/3384-1-0x0000000077512000-0x0000000077513000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                4KB

                                                                                                                                              • memory/3384-5-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/3384-17-0x0000000000400000-0x000000000040E000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                56KB

                                                                                                                                              • memory/3384-18-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB