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Analysis

  • max time kernel
    196s
  • max time network
    199s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 02:33

General

  • Target

    e43ccac45e02c58d44c1a33d5f00e3bb7f5c09ed795bd5b1c49fad31dd87d39d.dll

  • Size

    778KB

  • MD5

    3974164c07298d7dd19484092c261aa9

  • SHA1

    a759c23af5c9fe9b6e9cf1ba79ddf0ae58078622

  • SHA256

    e43ccac45e02c58d44c1a33d5f00e3bb7f5c09ed795bd5b1c49fad31dd87d39d

  • SHA512

    7ce7e147b38fe9f20c0b5c3da28a1de3fcbb79b64b4ba92fefb8e73c25e437decbaa8ed5b88120500ef0f6e1d3d2507c05cadb54fcb1d1baba40d5a5ddc53a1e

  • SSDEEP

    24576:4zb1MlCKUQyUmjtczu6Prs9pgWoopooK9kwPMLt8F:4zbKsUmjtcdPGgIwPMLyF

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:656
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:600
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:1012
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            2⤵
              PID:792
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:772
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                2⤵
                  PID:3444
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  2⤵
                    PID:3680
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    2⤵
                      PID:4460
                    • C:\Windows\system32\SppExtComObj.exe
                      C:\Windows\system32\SppExtComObj.exe -Embedding
                      2⤵
                        PID:4812
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:3984
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          2⤵
                            PID:3536
                          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                            2⤵
                              PID:3376
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              2⤵
                                PID:3276
                              • C:\Windows\system32\wbem\wmiprvse.exe
                                C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                                2⤵
                                  PID:2408
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  2⤵
                                    PID:100
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k RPCSS -p
                                  1⤵
                                    PID:888
                                  • 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 LocalServiceNetworkRestricted -p -s lmhosts
                                      1⤵
                                        PID:708
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                        1⤵
                                          PID:1192
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                          1⤵
                                            PID:1448
                                          • C:\Windows\System32\svchost.exe
                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                            1⤵
                                              PID:1680
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                              1⤵
                                                PID:1956
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                1⤵
                                                  PID:1724
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                  1⤵
                                                    PID:2472
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                    1⤵
                                                      PID:2556
                                                    • C:\Windows\system32\taskhostw.exe
                                                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                      1⤵
                                                        PID:2904
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k WerSvcGroup
                                                        1⤵
                                                          PID:2944
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4584 -ip 4584
                                                            2⤵
                                                              PID:1636
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                            1⤵
                                                              PID:4128
                                                            • C:\Windows\System32\svchost.exe
                                                              C:\Windows\System32\svchost.exe -k netsvcs -p
                                                              1⤵
                                                                PID:5064
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                1⤵
                                                                  PID:3864
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                  1⤵
                                                                    PID:2620
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                    1⤵
                                                                      PID:3480
                                                                    • C:\Windows\System32\svchost.exe
                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                      1⤵
                                                                        PID:4396
                                                                      • C:\Windows\System32\svchost.exe
                                                                        C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                        1⤵
                                                                          PID:4880
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                          1⤵
                                                                            PID:2504
                                                                          • C:\Windows\Explorer.EXE
                                                                            C:\Windows\Explorer.EXE
                                                                            1⤵
                                                                              PID:2696
                                                                              • C:\Windows\system32\rundll32.exe
                                                                                rundll32.exe C:\Users\Admin\AppData\Local\Temp\e43ccac45e02c58d44c1a33d5f00e3bb7f5c09ed795bd5b1c49fad31dd87d39d.dll,#1
                                                                                2⤵
                                                                                • Suspicious use of WriteProcessMemory
                                                                                PID:2076
                                                                                • C:\Windows\SysWOW64\rundll32.exe
                                                                                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e43ccac45e02c58d44c1a33d5f00e3bb7f5c09ed795bd5b1c49fad31dd87d39d.dll,#1
                                                                                  3⤵
                                                                                  • Modifies firewall policy service
                                                                                  • Drops file in System32 directory
                                                                                  • Suspicious use of WriteProcessMemory
                                                                                  PID:3168
                                                                                  • C:\Windows\SysWOW64\rundll32mgr.exe
                                                                                    C:\Windows\SysWOW64\rundll32mgr.exe
                                                                                    4⤵
                                                                                    • Executes dropped EXE
                                                                                    • Drops file in Program Files directory
                                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                                    • Suspicious behavior: MapViewOfSection
                                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                                    • Suspicious use of UnmapMainImage
                                                                                    • Suspicious use of WriteProcessMemory
                                                                                    PID:4584
                                                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                                                      C:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 408
                                                                                      5⤵
                                                                                      • Program crash
                                                                                      PID:2928
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                              1⤵
                                                                                PID:2656
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                1⤵
                                                                                  PID:2572
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                  1⤵
                                                                                    PID:2564
                                                                                  • C:\Windows\system32\sihost.exe
                                                                                    sihost.exe
                                                                                    1⤵
                                                                                      PID:2544
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                      1⤵
                                                                                        PID:2512
                                                                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                        1⤵
                                                                                          PID:2484
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                          1⤵
                                                                                            PID:2352
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                            1⤵
                                                                                              PID:2344
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                              1⤵
                                                                                                PID:2120
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                1⤵
                                                                                                  PID:2108
                                                                                                • C:\Windows\System32\spoolsv.exe
                                                                                                  C:\Windows\System32\spoolsv.exe
                                                                                                  1⤵
                                                                                                    PID:1632
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                    1⤵
                                                                                                      PID:1984
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                      1⤵
                                                                                                        PID:1880
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                                        1⤵
                                                                                                          PID:1868
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                          1⤵
                                                                                                            PID:1804
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                            1⤵
                                                                                                              PID:1756
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                              1⤵
                                                                                                                PID:1688
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                                1⤵
                                                                                                                  PID:1640
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                                  1⤵
                                                                                                                    PID:1604
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                                    1⤵
                                                                                                                      PID:1508
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                      1⤵
                                                                                                                        PID:1472
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                        1⤵
                                                                                                                          PID:1396
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                          1⤵
                                                                                                                            PID:1304
                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                            1⤵
                                                                                                                              PID:1280
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                              1⤵
                                                                                                                                PID:1212
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                                1⤵
                                                                                                                                  PID:1124
                                                                                                                                • 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 LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                                    1⤵
                                                                                                                                      PID:1040
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                                      1⤵
                                                                                                                                        PID:644
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                                        1⤵
                                                                                                                                          PID:948
                                                                                                                                        • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                          "fontdrvhost.exe"
                                                                                                                                          1⤵
                                                                                                                                            PID:784

                                                                                                                                          Network

                                                                                                                                          MITRE ATT&CK Enterprise v6

                                                                                                                                          Replay Monitor

                                                                                                                                          Loading Replay Monitor...

                                                                                                                                          Downloads

                                                                                                                                          • C:\Windows\SysWOW64\rundll32mgr.exe

                                                                                                                                            Filesize

                                                                                                                                            119KB

                                                                                                                                            MD5

                                                                                                                                            a979c6f227dcaa8187b48c02ce255991

                                                                                                                                            SHA1

                                                                                                                                            5a85d6cd0df89994e4e9ba5408f58edaeec0b659

                                                                                                                                            SHA256

                                                                                                                                            91743a063518b5311e010124fc67e70907878458a393c48bfa9f56fdbe2edc6c

                                                                                                                                            SHA512

                                                                                                                                            c4756abc9c40ee64898bed5e979a7cc91d01d0d574d57051153eab29b03143c63feeeb373794d01ad17810b52f937162dc266f0b4c31cd6dbfed541e1fd4299f

                                                                                                                                          • C:\Windows\SysWOW64\rundll32mgr.exe

                                                                                                                                            Filesize

                                                                                                                                            119KB

                                                                                                                                            MD5

                                                                                                                                            a979c6f227dcaa8187b48c02ce255991

                                                                                                                                            SHA1

                                                                                                                                            5a85d6cd0df89994e4e9ba5408f58edaeec0b659

                                                                                                                                            SHA256

                                                                                                                                            91743a063518b5311e010124fc67e70907878458a393c48bfa9f56fdbe2edc6c

                                                                                                                                            SHA512

                                                                                                                                            c4756abc9c40ee64898bed5e979a7cc91d01d0d574d57051153eab29b03143c63feeeb373794d01ad17810b52f937162dc266f0b4c31cd6dbfed541e1fd4299f

                                                                                                                                          • memory/3168-133-0x0000000005000000-0x00000000050C8000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            800KB

                                                                                                                                          • memory/3168-144-0x000000007EF80000-0x000000007EF8C000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/3168-142-0x000000007EF80000-0x000000007EF8C000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            48KB

                                                                                                                                          • memory/4584-140-0x0000000000400000-0x0000000000421000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            132KB

                                                                                                                                          • memory/4584-141-0x0000000000400000-0x0000000000421000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            132KB

                                                                                                                                          • memory/4584-137-0x0000000000400000-0x0000000000429000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            164KB

                                                                                                                                          • memory/4584-143-0x0000000000400000-0x0000000000429000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            164KB

                                                                                                                                          • memory/4584-145-0x0000000000400000-0x0000000000429000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            164KB

                                                                                                                                          • memory/4584-146-0x0000000000400000-0x0000000000429000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            164KB

                                                                                                                                          • memory/4584-147-0x0000000000400000-0x0000000000429000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            164KB

                                                                                                                                          • memory/4584-148-0x0000000000400000-0x0000000000421000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            132KB