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Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2022, 17:46

General

  • Target

    9eba80753a0f851470c6b67cc7941b07642acc1eabe43643ad1233bf4697a52b.dll

  • Size

    232KB

  • MD5

    49f6f48b6439f2ba94b4523a3421b2d0

  • SHA1

    30d68a62a65a73a8690f473e2abadd6646a77652

  • SHA256

    9eba80753a0f851470c6b67cc7941b07642acc1eabe43643ad1233bf4697a52b

  • SHA512

    a3231f99a4507d83dc79b575e1de51d76d84bc82a006e6c336fe1b98d41f56bc08c9f20bbfdeb3088ed6dd5114005741de57e388c732a8eb82ffa27396d97941

  • SSDEEP

    3072:SJ/bDvolYJ975jjHnNNHLwj5Hj59BjUY0quvirFHWMiA/HQ0P0CKKgiT4fUADtN2:SJ/8W2uvihHFHlTT4h55ZBXK

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Ramnit

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

  • Blocklisted process makes network request 1 IoCs
  • 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:668
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:616
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:792
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:372
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:784
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                2⤵
                  PID:3440
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                  2⤵
                    PID:1768
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                    2⤵
                      PID:3740
                    • C:\Windows\system32\SppExtComObj.exe
                      C:\Windows\system32\SppExtComObj.exe -Embedding
                      2⤵
                        PID:4836
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe
                        2⤵
                          PID:2056
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          2⤵
                            PID:4692
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:3820
                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                              2⤵
                                PID:3520
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                2⤵
                                  PID:3380
                                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                  2⤵
                                    PID:3316
                                  • C:\Windows\system32\DllHost.exe
                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                    2⤵
                                      PID:3216
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      2⤵
                                        PID:3636
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                      1⤵
                                        PID:956
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k RPCSS -p
                                        1⤵
                                          PID:908
                                        • C:\Windows\system32\fontdrvhost.exe
                                          "fontdrvhost.exe"
                                          1⤵
                                            PID:800
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                            1⤵
                                              PID:436
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                              1⤵
                                                PID:1000
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                1⤵
                                                  PID:752
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                  1⤵
                                                    PID:1104
                                                    • C:\Windows\system32\taskhostw.exe
                                                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                      2⤵
                                                        PID:2400
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                      1⤵
                                                        PID:1052
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                        1⤵
                                                          PID:1044
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                          1⤵
                                                            PID:1248
                                                            • C:\Windows\system32\sihost.exe
                                                              sihost.exe
                                                              2⤵
                                                                PID:2292
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                              1⤵
                                                                PID:1164
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                1⤵
                                                                  PID:2716
                                                                • C:\Windows\System32\svchost.exe
                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                  1⤵
                                                                    PID:2696
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                    1⤵
                                                                      PID:2672
                                                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                      1⤵
                                                                        PID:2628
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                        1⤵
                                                                          PID:2620
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                          1⤵
                                                                            PID:2500
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                            1⤵
                                                                              PID:2484
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                              1⤵
                                                                                PID:3372
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                                1⤵
                                                                                  PID:2380
                                                                                • C:\Windows\system32\rundll32.exe
                                                                                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9eba80753a0f851470c6b67cc7941b07642acc1eabe43643ad1233bf4697a52b.dll,#1
                                                                                  1⤵
                                                                                  • Suspicious use of WriteProcessMemory
                                                                                  PID:3964
                                                                                  • C:\Windows\SysWOW64\rundll32.exe
                                                                                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9eba80753a0f851470c6b67cc7941b07642acc1eabe43643ad1233bf4697a52b.dll,#1
                                                                                    2⤵
                                                                                    • Modifies firewall policy service
                                                                                    • Blocklisted process makes network request
                                                                                    • Drops file in System32 directory
                                                                                    • Suspicious use of WriteProcessMemory
                                                                                    PID:2668
                                                                                    • 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:4748
                                                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                                                        C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 384
                                                                                        4⤵
                                                                                        • Program crash
                                                                                        PID:4880
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                                  1⤵
                                                                                    PID:4488
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                    1⤵
                                                                                      PID:632
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                      1⤵
                                                                                        PID:4348
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                        1⤵
                                                                                          PID:4400
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                          1⤵
                                                                                            PID:5032
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                            1⤵
                                                                                              PID:3212
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                              1⤵
                                                                                                PID:1328
                                                                                              • C:\Windows\Explorer.EXE
                                                                                                C:\Windows\Explorer.EXE
                                                                                                1⤵
                                                                                                  PID:3064
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                  1⤵
                                                                                                    PID:2724
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                    1⤵
                                                                                                      PID:2320
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                      1⤵
                                                                                                        PID:2192
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                        1⤵
                                                                                                          PID:2128
                                                                                                        • C:\Windows\System32\spoolsv.exe
                                                                                                          C:\Windows\System32\spoolsv.exe
                                                                                                          1⤵
                                                                                                            PID:2068
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                            1⤵
                                                                                                              PID:1428
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                              1⤵
                                                                                                                PID:2016
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                                1⤵
                                                                                                                  PID:1916
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                                                  1⤵
                                                                                                                    PID:1908
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                                    1⤵
                                                                                                                      PID:1900
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                                      1⤵
                                                                                                                        PID:1780
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                                        1⤵
                                                                                                                          PID:1760
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                                          1⤵
                                                                                                                            PID:1672
                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                                            1⤵
                                                                                                                              PID:1652
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                                              1⤵
                                                                                                                                PID:1620
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                                                1⤵
                                                                                                                                  PID:1580
                                                                                                                                • 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 Themes
                                                                                                                                    1⤵
                                                                                                                                      PID:1460
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                                      1⤵
                                                                                                                                        PID:1444
                                                                                                                                      • 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 LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                                          1⤵
                                                                                                                                            PID:1264
                                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                                            1⤵
                                                                                                                                              PID:1256
                                                                                                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4748 -ip 4748
                                                                                                                                              1⤵
                                                                                                                                                PID:4832

                                                                                                                                              Network

                                                                                                                                              MITRE ATT&CK Enterprise v6

                                                                                                                                              Replay Monitor

                                                                                                                                              Loading Replay Monitor...

                                                                                                                                              Downloads

                                                                                                                                              • C:\WINDOWS\SysWOW64\RUNDLL32SRV.EXE

                                                                                                                                                Filesize

                                                                                                                                                170KB

                                                                                                                                                MD5

                                                                                                                                                675e06a8ef823be7b39d4fd7c5f4560d

                                                                                                                                                SHA1

                                                                                                                                                08cb14c576b35d0e79fcaf9674ebb4da598b8868

                                                                                                                                                SHA256

                                                                                                                                                67135fa98f6a5f7d2d888e959060cb81ef0ca22092e7ac36cf47bf3bb1ac935d

                                                                                                                                                SHA512

                                                                                                                                                1e720f76778092aaa949179daee88cfa64ce8b28cf5721f5609ed4f0d4e1e8d854261a47f0d0380c0d261ba74577295db5ee4c2c4c35ac32c0de2c191d96484b

                                                                                                                                              • C:\Windows\SysWOW64\rundll32Srv.exe

                                                                                                                                                Filesize

                                                                                                                                                170KB

                                                                                                                                                MD5

                                                                                                                                                675e06a8ef823be7b39d4fd7c5f4560d

                                                                                                                                                SHA1

                                                                                                                                                08cb14c576b35d0e79fcaf9674ebb4da598b8868

                                                                                                                                                SHA256

                                                                                                                                                67135fa98f6a5f7d2d888e959060cb81ef0ca22092e7ac36cf47bf3bb1ac935d

                                                                                                                                                SHA512

                                                                                                                                                1e720f76778092aaa949179daee88cfa64ce8b28cf5721f5609ed4f0d4e1e8d854261a47f0d0380c0d261ba74577295db5ee4c2c4c35ac32c0de2c191d96484b

                                                                                                                                              • memory/2668-133-0x0000000010000000-0x000000001003B000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                236KB

                                                                                                                                              • memory/2668-138-0x000000007F620000-0x000000007F62C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/2668-141-0x000000007F620000-0x000000007F62C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                48KB

                                                                                                                                              • memory/4748-136-0x0000000000400000-0x0000000000436000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                216KB

                                                                                                                                              • memory/4748-139-0x0000000000520000-0x000000000052F000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                60KB

                                                                                                                                              • memory/4748-140-0x0000000000400000-0x0000000000436000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                216KB