Analysis

  • max time kernel
    112s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 12:30

General

  • Target

    9e232a1b0af71f204a77f6eb63549b1bf5d53ee8f26674ad6d401f2d9807188c.dll

  • Size

    468KB

  • MD5

    a04eacdbd5a7fd39bb76d58eb18a0050

  • SHA1

    f709e6f9dc7257bde5409f1d2604965323aa09fe

  • SHA256

    9e232a1b0af71f204a77f6eb63549b1bf5d53ee8f26674ad6d401f2d9807188c

  • SHA512

    79f31369a2ef9d71afaea5ecccc1473b5f227576abd6acc5830bdd178d40fe68a536e728ac097329c7fffcc36cab168971ff598d0c1900f7f2f69c4df58202f9

  • SSDEEP

    12288:WehnaNPpSVZmNxRCwnwm3W3OHIIf5elHu:Weh0PpS6NxNnwYeOHXglO

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Ramnit

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

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 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 2 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:612
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:312
          • 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:776
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                2⤵
                  PID:3432
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  2⤵
                    PID:3356
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    2⤵
                      PID:3264
                    • C:\Windows\system32\backgroundTaskHost.exe
                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                      2⤵
                        PID:4736
                      • C:\Windows\system32\SppExtComObj.exe
                        C:\Windows\system32\SppExtComObj.exe -Embedding
                        2⤵
                          PID:4684
                        • C:\Windows\system32\wbem\wmiprvse.exe
                          C:\Windows\system32\wbem\wmiprvse.exe
                          2⤵
                            PID:2936
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:4860
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              2⤵
                                PID:4452
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                2⤵
                                  PID:3776
                                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                  2⤵
                                    PID:3516
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                  1⤵
                                    PID:944
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                    1⤵
                                      PID:896
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:784
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                        1⤵
                                          PID:444
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                          1⤵
                                            PID:748
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                            1⤵
                                              PID:1140
                                              • C:\Windows\system32\taskhostw.exe
                                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                2⤵
                                                  PID:2624
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                1⤵
                                                  PID:1240
                                                • C:\Windows\system32\sihost.exe
                                                  sihost.exe
                                                  1⤵
                                                    PID:2388
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                    1⤵
                                                      PID:2032
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                      1⤵
                                                        PID:4712
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                        1⤵
                                                          PID:3036
                                                        • C:\Windows\System32\svchost.exe
                                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                          1⤵
                                                            PID:3160
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                            1⤵
                                                              PID:2064
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                              1⤵
                                                                PID:4620
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                1⤵
                                                                  PID:4720
                                                                • C:\Windows\System32\svchost.exe
                                                                  C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                  1⤵
                                                                    PID:4288
                                                                  • C:\Windows\system32\rundll32.exe
                                                                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e232a1b0af71f204a77f6eb63549b1bf5d53ee8f26674ad6d401f2d9807188c.dll,#1
                                                                    1⤵
                                                                    • Suspicious use of WriteProcessMemory
                                                                    PID:4560
                                                                    • C:\Windows\SysWOW64\rundll32.exe
                                                                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e232a1b0af71f204a77f6eb63549b1bf5d53ee8f26674ad6d401f2d9807188c.dll,#1
                                                                      2⤵
                                                                      • Modifies firewall policy service
                                                                      • Drops file in Drivers directory
                                                                      • Drops file in System32 directory
                                                                      • Suspicious use of WriteProcessMemory
                                                                      PID:2444
                                                                      • C:\Windows\SysWOW64\rundll32Srv.exe
                                                                        C:\Windows\SysWOW64\rundll32Srv.exe
                                                                        3⤵
                                                                        • Executes dropped EXE
                                                                        • Drops file in Program Files directory
                                                                        • Suspicious behavior: EnumeratesProcesses
                                                                        • Suspicious behavior: MapViewOfSection
                                                                        • Suspicious use of AdjustPrivilegeToken
                                                                        • Suspicious use of WriteProcessMemory
                                                                        PID:4584
                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                          C:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 384
                                                                          4⤵
                                                                          • Program crash
                                                                          PID:1928
                                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                                        C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 608
                                                                        3⤵
                                                                        • Program crash
                                                                        PID:1972
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                    1⤵
                                                                      PID:3536
                                                                    • C:\Windows\Explorer.EXE
                                                                      C:\Windows\Explorer.EXE
                                                                      1⤵
                                                                        PID:1076
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                        1⤵
                                                                          PID:2688
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                          1⤵
                                                                            PID:2680
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                            1⤵
                                                                              PID:2664
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                              1⤵
                                                                                PID:2640
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                1⤵
                                                                                  PID:2580
                                                                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                  1⤵
                                                                                    PID:2572
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                    1⤵
                                                                                      PID:2448
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                      1⤵
                                                                                        PID:2436
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                        1⤵
                                                                                          PID:2400
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                          1⤵
                                                                                            PID:2148
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                            1⤵
                                                                                              PID:2116
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                              1⤵
                                                                                                PID:2052
                                                                                              • C:\Windows\System32\spoolsv.exe
                                                                                                C:\Windows\System32\spoolsv.exe
                                                                                                1⤵
                                                                                                  PID:1680
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                  1⤵
                                                                                                    PID:1988
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                    1⤵
                                                                                                      PID:1980
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                      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:1900
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                            1⤵
                                                                                                              PID:1784
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                              1⤵
                                                                                                                PID:1736
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                                1⤵
                                                                                                                  PID:1640
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                                  1⤵
                                                                                                                    PID:1620
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                                    1⤵
                                                                                                                      PID:1612
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                                      1⤵
                                                                                                                        PID:1564
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                        1⤵
                                                                                                                          PID:1448
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                          1⤵
                                                                                                                            PID:1416
                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                            1⤵
                                                                                                                              PID:1392
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                              1⤵
                                                                                                                                PID:1384
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                                1⤵
                                                                                                                                  PID:1264
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                                  1⤵
                                                                                                                                    PID:1184
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                                    1⤵
                                                                                                                                      PID:1064
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                                      1⤵
                                                                                                                                        PID:940
                                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                                        1⤵
                                                                                                                                          PID:888
                                                                                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2444 -ip 2444
                                                                                                                                          1⤵
                                                                                                                                            PID:3328
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4584 -ip 4584
                                                                                                                                            1⤵
                                                                                                                                              PID:5088

                                                                                                                                            Network

                                                                                                                                                  MITRE ATT&CK Enterprise v6

                                                                                                                                                  Replay Monitor

                                                                                                                                                  Loading Replay Monitor...

                                                                                                                                                  Downloads

                                                                                                                                                  • C:\WINDOWS\SysWOW64\RUNDLL32SRV.EXE

                                                                                                                                                    Filesize

                                                                                                                                                    84KB

                                                                                                                                                    MD5

                                                                                                                                                    d105024666fce5e3ea84b1ad32c80fc6

                                                                                                                                                    SHA1

                                                                                                                                                    0114a2a0a254fe477c7a01274ed4b11f88b9d425

                                                                                                                                                    SHA256

                                                                                                                                                    e9f7abdabf7c1e1e597cb402ebaab5033a481e54b917095032486e7d825bb151

                                                                                                                                                    SHA512

                                                                                                                                                    ecf42cba45e36dfa921de688f27e1f411b503ad8d9555e58ae230fc1a266f18fed9a2454e8870b84f79ee6edfe67fbd99cb7973ab5296c3a8fc97e4f6f913a11

                                                                                                                                                  • C:\Windows\SysWOW64\rundll32Srv.exe

                                                                                                                                                    Filesize

                                                                                                                                                    84KB

                                                                                                                                                    MD5

                                                                                                                                                    d105024666fce5e3ea84b1ad32c80fc6

                                                                                                                                                    SHA1

                                                                                                                                                    0114a2a0a254fe477c7a01274ed4b11f88b9d425

                                                                                                                                                    SHA256

                                                                                                                                                    e9f7abdabf7c1e1e597cb402ebaab5033a481e54b917095032486e7d825bb151

                                                                                                                                                    SHA512

                                                                                                                                                    ecf42cba45e36dfa921de688f27e1f411b503ad8d9555e58ae230fc1a266f18fed9a2454e8870b84f79ee6edfe67fbd99cb7973ab5296c3a8fc97e4f6f913a11

                                                                                                                                                  • memory/2444-136-0x0000000010000000-0x0000000010077000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    476KB

                                                                                                                                                  • memory/2444-138-0x000000007F3A0000-0x000000007F3AC000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    48KB

                                                                                                                                                  • memory/2444-140-0x000000007F3A0000-0x000000007F3AC000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    48KB

                                                                                                                                                  • memory/4584-137-0x0000000000400000-0x0000000000436000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    216KB

                                                                                                                                                  • memory/4584-139-0x0000000000670000-0x000000000067F000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    60KB