Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 00:05

General

  • Target

    b5f6c555f096539bc635d211d34c7563272b6c99cbab6f1047618469ce0bad47.dll

  • Size

    384KB

  • MD5

    b0aee4968e280575159c2a143b255e24

  • SHA1

    1eb31083a5bc971610cffc5f174afa36e512e8f2

  • SHA256

    b5f6c555f096539bc635d211d34c7563272b6c99cbab6f1047618469ce0bad47

  • SHA512

    5638dae67356ffc33801a1f29635d40c55a27bf494773385505abf44694d0790482804094e423b147009b40278e300362544bd95b52a48f8960cb8700fd99035

  • SSDEEP

    6144:b4HAARhdwUeKPQrs3nz33Eov9XDJgNAfqqR+:b4gARhdfe/2nz33Evys

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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:608
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:808
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:316
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:664
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:792
              • C:\Windows\system32\wbem\unsecapp.exe
                C:\Windows\system32\wbem\unsecapp.exe -Embedding
                2⤵
                  PID:776
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  2⤵
                    PID:3708
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    2⤵
                      PID:3800
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      2⤵
                        PID:3864
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        2⤵
                          PID:3948
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          2⤵
                            PID:3568
                          • C:\Windows\system32\SppExtComObj.exe
                            C:\Windows\system32\SppExtComObj.exe -Embedding
                            2⤵
                              PID:2980
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              2⤵
                                PID:1668
                              • 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:4548
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  2⤵
                                    PID:3080
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    2⤵
                                      PID:1352
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:800
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k RPCSS -p
                                      1⤵
                                        PID:920
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                        1⤵
                                          PID:964
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                          1⤵
                                            PID:396
                                          • C:\Windows\System32\svchost.exe
                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                            1⤵
                                              PID:1000
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                              1⤵
                                                PID:1048
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                1⤵
                                                  PID:1116
                                                • C:\Windows\System32\svchost.exe
                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                  1⤵
                                                    PID:1132
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                    1⤵
                                                      PID:1144
                                                      • C:\Windows\system32\taskhostw.exe
                                                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                        2⤵
                                                          PID:2936
                                                        • C:\Windows\system32\MusNotification.exe
                                                          C:\Windows\system32\MusNotification.exe
                                                          2⤵
                                                            PID:4340
                                                        • C:\Windows\System32\svchost.exe
                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                          1⤵
                                                            PID:1200
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                            1⤵
                                                              PID:1252
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                              1⤵
                                                                PID:1292
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                1⤵
                                                                  PID:1340
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                  1⤵
                                                                    PID:1404
                                                                    • C:\Windows\system32\sihost.exe
                                                                      sihost.exe
                                                                      2⤵
                                                                        PID:2572
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                      1⤵
                                                                        PID:1420
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                        1⤵
                                                                          PID:1520
                                                                        • C:\Windows\System32\svchost.exe
                                                                          C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                          1⤵
                                                                            PID:1532
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                            1⤵
                                                                              PID:1644
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                              1⤵
                                                                                PID:1660
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                1⤵
                                                                                  PID:1732
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                  1⤵
                                                                                    PID:1768
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                    1⤵
                                                                                      PID:1928
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                      1⤵
                                                                                        PID:1952
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                        1⤵
                                                                                          PID:1996
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                          1⤵
                                                                                            PID:1892
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                            1⤵
                                                                                              PID:2052
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                              1⤵
                                                                                                PID:2088
                                                                                              • C:\Windows\System32\spoolsv.exe
                                                                                                C:\Windows\System32\spoolsv.exe
                                                                                                1⤵
                                                                                                  PID:2204
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                  1⤵
                                                                                                    PID:2232
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                    1⤵
                                                                                                      PID:2336
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                      1⤵
                                                                                                        PID:2384
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                        1⤵
                                                                                                          PID:2524
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                          1⤵
                                                                                                            PID:2532
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                            1⤵
                                                                                                              PID:2620
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                              1⤵
                                                                                                                PID:2676
                                                                                                              • C:\Windows\sysmon.exe
                                                                                                                C:\Windows\sysmon.exe
                                                                                                                1⤵
                                                                                                                  PID:2768
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                  1⤵
                                                                                                                    PID:2780
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                    1⤵
                                                                                                                      PID:2800
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                      1⤵
                                                                                                                        PID:2832
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                                                        1⤵
                                                                                                                          PID:3052
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                          1⤵
                                                                                                                            PID:3344
                                                                                                                          • C:\Windows\Explorer.EXE
                                                                                                                            C:\Windows\Explorer.EXE
                                                                                                                            1⤵
                                                                                                                              PID:3372
                                                                                                                              • C:\Windows\system32\rundll32.exe
                                                                                                                                rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5f6c555f096539bc635d211d34c7563272b6c99cbab6f1047618469ce0bad47.dll,#1
                                                                                                                                2⤵
                                                                                                                                • Suspicious use of WriteProcessMemory
                                                                                                                                PID:212
                                                                                                                                • C:\Windows\SysWOW64\rundll32.exe
                                                                                                                                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5f6c555f096539bc635d211d34c7563272b6c99cbab6f1047618469ce0bad47.dll,#1
                                                                                                                                  3⤵
                                                                                                                                  • Modifies firewall policy service
                                                                                                                                  • Blocklisted process makes network request
                                                                                                                                  • Drops file in System32 directory
                                                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                                                  • Suspicious use of WriteProcessMemory
                                                                                                                                  PID:1528
                                                                                                                                  • C:\Windows\SysWOW64\rundll32mgr.exe
                                                                                                                                    C:\Windows\SysWOW64\rundll32mgr.exe
                                                                                                                                    4⤵
                                                                                                                                    • Executes dropped EXE
                                                                                                                                    • System Location Discovery: System Language Discovery
                                                                                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                                                                                    • Suspicious behavior: MapViewOfSection
                                                                                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                                                                                    • Suspicious use of WriteProcessMemory
                                                                                                                                    PID:4276
                                                                                                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                      C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 272
                                                                                                                                      5⤵
                                                                                                                                      • Program crash
                                                                                                                                      PID:5028
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                              1⤵
                                                                                                                                PID:3500
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                1⤵
                                                                                                                                  PID:4228
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                  1⤵
                                                                                                                                    PID:688
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                    1⤵
                                                                                                                                      PID:4596
                                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                      1⤵
                                                                                                                                        PID:3488
                                                                                                                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                        1⤵
                                                                                                                                          PID:4288
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                          1⤵
                                                                                                                                            PID:1708
                                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
                                                                                                                                            1⤵
                                                                                                                                              PID:4848
                                                                                                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4276 -ip 4276
                                                                                                                                              1⤵
                                                                                                                                                PID:3704

                                                                                                                                              Network

                                                                                                                                              MITRE ATT&CK Enterprise v15

                                                                                                                                              Replay Monitor

                                                                                                                                              Loading Replay Monitor...

                                                                                                                                              Downloads

                                                                                                                                              • C:\Windows\SysWOW64\rundll32mgr.exe

                                                                                                                                                Filesize

                                                                                                                                                159KB

                                                                                                                                                MD5

                                                                                                                                                8703c6aeb2e62da71e50db9698d91e35

                                                                                                                                                SHA1

                                                                                                                                                cafceda794c5b1976b46a5d39949137aba8dc9e6

                                                                                                                                                SHA256

                                                                                                                                                c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d

                                                                                                                                                SHA512

                                                                                                                                                48e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a

                                                                                                                                              • memory/1528-9-0x0000000077703000-0x0000000077704000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                4KB

                                                                                                                                              • memory/1528-7-0x0000000077702000-0x0000000077703000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                4KB

                                                                                                                                              • memory/1528-1-0x0000000010000000-0x0000000010060000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                384KB

                                                                                                                                              • memory/1528-8-0x000000007F6D0000-0x000000007F6DC000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/1528-6-0x000000007F6D0000-0x000000007F6DC000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/1528-13-0x000000007F6D0000-0x000000007F6DC000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/1528-16-0x000000007F6D0000-0x000000007F6DC000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4276-5-0x0000000000400000-0x0000000000464000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                400KB

                                                                                                                                              • memory/4276-11-0x00000000005D0000-0x00000000005D1000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                4KB

                                                                                                                                              • memory/4276-10-0x0000000077702000-0x0000000077703000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                4KB

                                                                                                                                              • memory/4276-12-0x0000000077703000-0x0000000077704000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                4KB

                                                                                                                                              • memory/4276-14-0x0000000000400000-0x0000000000464000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                400KB