Analysis

  • max time kernel
    92s
  • max time network
    154s
  • 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, 21:30

General

  • Target

    1cb8b182e225c348482b399da801cc6fc7855806987c8ee1e3e45a1c4aadca72.exe

  • Size

    371KB

  • MD5

    0f57540056bb2a916141b412bfcfdd80

  • SHA1

    f734b913984ccbf7918b1ec5b618d3f0818ecd9f

  • SHA256

    1cb8b182e225c348482b399da801cc6fc7855806987c8ee1e3e45a1c4aadca72

  • SHA512

    ebb40670a845eb1f0b59f54c04b90c67009c1d4f876205c5c9f914cd65d64d1e67e5ca9e784420ad6aed1e2ef4189830e9fca05d9ae4d09732a3d6c066efc5db

  • SSDEEP

    6144:zOTeHI8HiL7+f5Qq0Mn4+sQJiZGBWPi4u0MtI6Gw72EWXVT3e:GeoGiLa7npsotAi+Z6Gw72EqV3e

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 2 IoCs

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

  • Loads dropped DLL 2 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:652
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:596
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:768
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:1004
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:760
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                2⤵
                  PID:3408
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  2⤵
                    PID:4764
                  • C:\Windows\system32\SppExtComObj.exe
                    C:\Windows\system32\SppExtComObj.exe -Embedding
                    2⤵
                      PID:4468
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      2⤵
                        PID:1736
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        2⤵
                          PID:4232
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          2⤵
                            PID:3832
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            2⤵
                              PID:3488
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              2⤵
                                PID:3344
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                2⤵
                                  PID:3244
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k RPCSS -p
                                1⤵
                                  PID:884
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                  1⤵
                                    PID:604
                                  • C:\Windows\System32\svchost.exe
                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                    1⤵
                                      PID:808
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                      1⤵
                                        PID:432
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                        1⤵
                                          PID:936
                                        • 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 netsvcs -p -s Schedule
                                            1⤵
                                              PID:1160
                                              • C:\Windows\system32\taskhostw.exe
                                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                2⤵
                                                  PID:2476
                                              • 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:1192
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                    1⤵
                                                      PID:1504
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                      1⤵
                                                        PID:1912
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                        1⤵
                                                          PID:2252
                                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                          1⤵
                                                            PID:2648
                                                          • C:\Windows\Explorer.EXE
                                                            C:\Windows\Explorer.EXE
                                                            1⤵
                                                              PID:3020
                                                              • C:\Users\Admin\AppData\Local\Temp\1cb8b182e225c348482b399da801cc6fc7855806987c8ee1e3e45a1c4aadca72.exe
                                                                "C:\Users\Admin\AppData\Local\Temp\1cb8b182e225c348482b399da801cc6fc7855806987c8ee1e3e45a1c4aadca72.exe"
                                                                2⤵
                                                                • Modifies firewall policy service
                                                                • Drops file in Drivers directory
                                                                • Loads dropped DLL
                                                                • Suspicious behavior: EnumeratesProcesses
                                                                • Suspicious behavior: MapViewOfSection
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:804
                                                                • C:\Users\Admin\AppData\Local\Temp\1cb8b182e225c348482b399da801cc6fc7855806987c8ee1e3e45a1c4aadca72mgr.exe
                                                                  C:\Users\Admin\AppData\Local\Temp\1cb8b182e225c348482b399da801cc6fc7855806987c8ee1e3e45a1c4aadca72mgr.exe
                                                                  3⤵
                                                                  • Executes dropped EXE
                                                                  • Loads dropped DLL
                                                                  PID:624
                                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                                    C:\Windows\SysWOW64\WerFault.exe -u -p 624 -s 480
                                                                    4⤵
                                                                    • Program crash
                                                                    PID:2148
                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                  C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 632
                                                                  3⤵
                                                                  • Program crash
                                                                  PID:616
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                              1⤵
                                                                PID:4540
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                1⤵
                                                                  PID:4356
                                                                • C:\Windows\System32\svchost.exe
                                                                  C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                  1⤵
                                                                    PID:2372
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                    1⤵
                                                                      PID:2100
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                      1⤵
                                                                        PID:4416
                                                                      • C:\Windows\System32\svchost.exe
                                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                        1⤵
                                                                          PID:4652
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                          1⤵
                                                                            PID:3740
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                            1⤵
                                                                              PID:2420
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                              1⤵
                                                                                PID:2792
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                1⤵
                                                                                  PID:2772
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                  1⤵
                                                                                    PID:2756
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                    1⤵
                                                                                      PID:2700
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                      1⤵
                                                                                        PID:2660
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                        1⤵
                                                                                          PID:2544
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                          1⤵
                                                                                            PID:2536
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                            1⤵
                                                                                              PID:2376
                                                                                            • C:\Windows\system32\sihost.exe
                                                                                              sihost.exe
                                                                                              1⤵
                                                                                                PID:2360
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                1⤵
                                                                                                  PID:2184
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                  1⤵
                                                                                                    PID:2068
                                                                                                  • C:\Windows\System32\spoolsv.exe
                                                                                                    C:\Windows\System32\spoolsv.exe
                                                                                                    1⤵
                                                                                                      PID:1920
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                      1⤵
                                                                                                        PID:2032
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                                        1⤵
                                                                                                          PID:1960
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                          1⤵
                                                                                                            PID:1944
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                            1⤵
                                                                                                              PID:1808
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                              1⤵
                                                                                                                PID:1784
                                                                                                              • 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:1540
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                        1⤵
                                                                                                                          PID:1420
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                          1⤵
                                                                                                                            PID:1408
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                            1⤵
                                                                                                                              PID:1392
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                              1⤵
                                                                                                                                PID:1364
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                                1⤵
                                                                                                                                  PID:1236
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                                  1⤵
                                                                                                                                    PID:1060
                                                                                                                                  • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                    "fontdrvhost.exe"
                                                                                                                                    1⤵
                                                                                                                                      PID:772
                                                                                                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 624 -ip 624
                                                                                                                                      1⤵
                                                                                                                                        PID:2572
                                                                                                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 804 -ip 804
                                                                                                                                        1⤵
                                                                                                                                          PID:4944

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Enterprise v6

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\1cb8b182e225c348482b399da801cc6fc7855806987c8ee1e3e45a1c4aadca72mgr.exe

                                                                                                                                          Filesize

                                                                                                                                          184KB

                                                                                                                                          MD5

                                                                                                                                          a0c998414430198c894e001ecf3bd909

                                                                                                                                          SHA1

                                                                                                                                          cb85e754f6c5a7c8250fa05dee005060daa13cdf

                                                                                                                                          SHA256

                                                                                                                                          cd35954a3aaf9ed16373ff179cbe997d8c683f607a966282337511f80417bc5f

                                                                                                                                          SHA512

                                                                                                                                          e90c106e252dbcd878e5bb8f6015c59f62d5baf8d36960e1792de847eba763d5663b493bf1244beee5c5464ffa737093953942fe0b93487c3fca7704103953a3

                                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\1cb8b182e225c348482b399da801cc6fc7855806987c8ee1e3e45a1c4aadca72mgr.exe

                                                                                                                                          Filesize

                                                                                                                                          184KB

                                                                                                                                          MD5

                                                                                                                                          a0c998414430198c894e001ecf3bd909

                                                                                                                                          SHA1

                                                                                                                                          cb85e754f6c5a7c8250fa05dee005060daa13cdf

                                                                                                                                          SHA256

                                                                                                                                          cd35954a3aaf9ed16373ff179cbe997d8c683f607a966282337511f80417bc5f

                                                                                                                                          SHA512

                                                                                                                                          e90c106e252dbcd878e5bb8f6015c59f62d5baf8d36960e1792de847eba763d5663b493bf1244beee5c5464ffa737093953942fe0b93487c3fca7704103953a3

                                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\~TMF012.tmp

                                                                                                                                          Filesize

                                                                                                                                          1.6MB

                                                                                                                                          MD5

                                                                                                                                          4f3387277ccbd6d1f21ac5c07fe4ca68

                                                                                                                                          SHA1

                                                                                                                                          e16506f662dc92023bf82def1d621497c8ab5890

                                                                                                                                          SHA256

                                                                                                                                          767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

                                                                                                                                          SHA512

                                                                                                                                          9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

                                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\~TMF041.tmp

                                                                                                                                          Filesize

                                                                                                                                          1.6MB

                                                                                                                                          MD5

                                                                                                                                          4f3387277ccbd6d1f21ac5c07fe4ca68

                                                                                                                                          SHA1

                                                                                                                                          e16506f662dc92023bf82def1d621497c8ab5890

                                                                                                                                          SHA256

                                                                                                                                          767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

                                                                                                                                          SHA512

                                                                                                                                          9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

                                                                                                                                        • memory/624-136-0x0000000000400000-0x0000000000431000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          196KB

                                                                                                                                        • memory/624-137-0x0000000002030000-0x0000000002061000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          196KB

                                                                                                                                        • memory/624-142-0x0000000077550000-0x00000000776F3000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          1.6MB

                                                                                                                                        • memory/624-141-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/624-145-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          48KB

                                                                                                                                        • memory/804-132-0x0000000000400000-0x0000000000460000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          384KB

                                                                                                                                        • memory/804-139-0x0000000000400000-0x0000000000460000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          384KB

                                                                                                                                        • memory/804-140-0x0000000002440000-0x00000000024A0000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          384KB

                                                                                                                                        • memory/804-144-0x0000000077550000-0x00000000776F3000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          1.6MB

                                                                                                                                        • memory/804-146-0x0000000077550000-0x00000000776F3000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          1.6MB