Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 21:14

General

  • Target

    53de53007ecd2497d183c9184d74fe1ac165d096ed8e83287ea1ec510fa43d1d.dll

  • Size

    468KB

  • MD5

    05f43c6ab4e70109bb0dc17b24273a40

  • SHA1

    b59e21936afb470081009b4fa0b6a1b025c2153e

  • SHA256

    53de53007ecd2497d183c9184d74fe1ac165d096ed8e83287ea1ec510fa43d1d

  • SHA512

    eb04efb19ad14061f4f1d3f0e14aec3e029fc6c39b423b69b930bf79bb606bfee14d9d3e1d318fc5b7c749159fab19026e3c2fc3f5868e7e3762fb51f219f54b

  • SSDEEP

    12288:LXClLduO3HyzesG5ybCsUa2J/iKtsazrml:LyPPSzesG59qK63

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 4 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 WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:664
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:576
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:1012
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            2⤵
              PID:768
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
            1⤵
              PID:440
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
              1⤵
                PID:932
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k RPCSS -p
                1⤵
                  PID:880
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k DcomLaunch -p
                  1⤵
                    PID:780
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      2⤵
                        PID:3428
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        2⤵
                          PID:3368
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          2⤵
                            PID:3276
                          • C:\Windows\system32\SppExtComObj.exe
                            C:\Windows\system32\SppExtComObj.exe -Embedding
                            2⤵
                              PID:1596
                            • C:\Windows\system32\wbem\wmiprvse.exe
                              C:\Windows\system32\wbem\wmiprvse.exe
                              2⤵
                                PID:1688
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                2⤵
                                  PID:1464
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                  2⤵
                                    PID:2864
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    2⤵
                                      PID:4748
                                    • C:\Windows\system32\DllHost.exe
                                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                      2⤵
                                        PID:4412
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        2⤵
                                          PID:3652
                                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                          2⤵
                                            PID:3528
                                        • C:\Windows\system32\fontdrvhost.exe
                                          "fontdrvhost.exe"
                                          1⤵
                                            PID:764
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                            1⤵
                                              PID:3004
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                              1⤵
                                                PID:2164
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                1⤵
                                                  PID:3360
                                                • C:\Windows\System32\svchost.exe
                                                  C:\Windows\System32\svchost.exe -k WerSvcGroup
                                                  1⤵
                                                    PID:4492
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5084 -ip 5084
                                                      2⤵
                                                        PID:1228
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                      1⤵
                                                        PID:4512
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k netsvcs -p
                                                        1⤵
                                                          PID:4260
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                          1⤵
                                                            PID:2260
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                            1⤵
                                                              PID:1144
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                              1⤵
                                                                PID:3024
                                                              • C:\Windows\Explorer.EXE
                                                                C:\Windows\Explorer.EXE
                                                                1⤵
                                                                  PID:760
                                                                  • C:\Windows\system32\rundll32.exe
                                                                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\53de53007ecd2497d183c9184d74fe1ac165d096ed8e83287ea1ec510fa43d1d.dll,#1
                                                                    2⤵
                                                                    • Suspicious use of WriteProcessMemory
                                                                    PID:5040
                                                                    • C:\Windows\SysWOW64\rundll32.exe
                                                                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\53de53007ecd2497d183c9184d74fe1ac165d096ed8e83287ea1ec510fa43d1d.dll,#1
                                                                      3⤵
                                                                      • Drops file in System32 directory
                                                                      • Suspicious use of WriteProcessMemory
                                                                      PID:5012
                                                                      • C:\Windows\SysWOW64\rundll32Srv.exe
                                                                        C:\Windows\SysWOW64\rundll32Srv.exe
                                                                        4⤵
                                                                        • Modifies firewall policy service
                                                                        • Executes dropped EXE
                                                                        • Drops file in Program Files directory
                                                                        • Suspicious behavior: EnumeratesProcesses
                                                                        • Suspicious behavior: MapViewOfSection
                                                                        • Suspicious use of AdjustPrivilegeToken
                                                                        • Suspicious use of WriteProcessMemory
                                                                        PID:5084
                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                          C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 576
                                                                          5⤵
                                                                          • Program crash
                                                                          PID:1508
                                                                • C:\Windows\system32\taskhostw.exe
                                                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                                  1⤵
                                                                    PID:2944
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                    1⤵
                                                                      PID:2852
                                                                    • C:\Windows\system32\sihost.exe
                                                                      sihost.exe
                                                                      1⤵
                                                                        PID:2832
                                                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                        1⤵
                                                                          PID:2544
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                          1⤵
                                                                            PID:2536
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                            1⤵
                                                                              PID:2452
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                              1⤵
                                                                                PID:2440
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                1⤵
                                                                                  PID:2432
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                  1⤵
                                                                                    PID:2400
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                    1⤵
                                                                                      PID:2364
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                      1⤵
                                                                                        PID:2356
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                        1⤵
                                                                                          PID:2108
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                          1⤵
                                                                                            PID:2092
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                            1⤵
                                                                                              PID:2072
                                                                                            • C:\Windows\System32\spoolsv.exe
                                                                                              C:\Windows\System32\spoolsv.exe
                                                                                              1⤵
                                                                                                PID:1420
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                1⤵
                                                                                                  PID:1960
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                  1⤵
                                                                                                    PID:1948
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                    1⤵
                                                                                                      PID:1912
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                                      1⤵
                                                                                                        PID:1904
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                        1⤵
                                                                                                          PID:1784
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                          1⤵
                                                                                                            PID:1764
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                            1⤵
                                                                                                              PID:1664
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                              1⤵
                                                                                                                PID:1648
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                                1⤵
                                                                                                                  PID:1624
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                                  1⤵
                                                                                                                    PID:1528
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                                    1⤵
                                                                                                                      PID:1476
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                      1⤵
                                                                                                                        PID:1456
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                        1⤵
                                                                                                                          PID:1376
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                          1⤵
                                                                                                                            PID:1364
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                            1⤵
                                                                                                                              PID:1348
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                              1⤵
                                                                                                                                PID:1248
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                                1⤵
                                                                                                                                  PID:1208
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                                  1⤵
                                                                                                                                    PID:1196
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                                    1⤵
                                                                                                                                      PID:1156
                                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                                      1⤵
                                                                                                                                        PID:1052
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                                        1⤵
                                                                                                                                          PID:1044
                                                                                                                                        • 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 LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                            1⤵
                                                                                                                                              PID:688

                                                                                                                                            Network

                                                                                                                                            MITRE ATT&CK Enterprise v6

                                                                                                                                            Replay Monitor

                                                                                                                                            Loading Replay Monitor...

                                                                                                                                            Downloads

                                                                                                                                            • C:\WINDOWS\SysWOW64\RUNDLL32SRV.EXE

                                                                                                                                              Filesize

                                                                                                                                              84KB

                                                                                                                                              MD5

                                                                                                                                              15e43cf7d67b779f26b0f7941dad5b93

                                                                                                                                              SHA1

                                                                                                                                              b590d4bb8826335a20ccb02e45d407421a6de85f

                                                                                                                                              SHA256

                                                                                                                                              382110f26a7a225baf2f1f67bcb470910170cdc511c56fdda368e376ea6782f8

                                                                                                                                              SHA512

                                                                                                                                              ab54b18f732a9bd8e11c845c45b60fcdf8abacc8f4f4b50b4347b37405436732c49bec34409dbc1726cadf939e8ddd02bab1d5bb9ae1c43ac80eaa86d6f42da6

                                                                                                                                            • C:\Windows\SysWOW64\rundll32Srv.exe

                                                                                                                                              Filesize

                                                                                                                                              84KB

                                                                                                                                              MD5

                                                                                                                                              15e43cf7d67b779f26b0f7941dad5b93

                                                                                                                                              SHA1

                                                                                                                                              b590d4bb8826335a20ccb02e45d407421a6de85f

                                                                                                                                              SHA256

                                                                                                                                              382110f26a7a225baf2f1f67bcb470910170cdc511c56fdda368e376ea6782f8

                                                                                                                                              SHA512

                                                                                                                                              ab54b18f732a9bd8e11c845c45b60fcdf8abacc8f4f4b50b4347b37405436732c49bec34409dbc1726cadf939e8ddd02bab1d5bb9ae1c43ac80eaa86d6f42da6

                                                                                                                                            • memory/5012-135-0x00000000751D0000-0x0000000075249000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              484KB

                                                                                                                                            • memory/5084-136-0x0000000000400000-0x0000000000435000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              212KB

                                                                                                                                            • memory/5084-138-0x00000000005F0000-0x00000000005FF000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              60KB

                                                                                                                                            • memory/5084-139-0x0000000000400000-0x0000000000435000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              212KB