Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 10:48

General

  • Target

    2715e2e331369c798ad9218355bc79e0bed9d8e4f6fdf165202ede645a158a7e.dll

  • Size

    4.7MB

  • MD5

    0fd370a8f48b6f0f833fb24a77d98ae3

  • SHA1

    579cbfbe20611958062b102652a4051a6b9a1be8

  • SHA256

    2715e2e331369c798ad9218355bc79e0bed9d8e4f6fdf165202ede645a158a7e

  • SHA512

    5f7be894f9f2675b7f8b4e643ce0d0cbbc3ab997856f8f51422f12c0978417de47d125d0ba88beb1334cdc974ff31030f4d8d570f46d74749e15437aa08f976e

  • SSDEEP

    98304:9aTiZ7qe+aOKvp3QZ6/HbS9FugmTw3gvhiWaOuBuJ0Ato4z/ukDr:9aTiZ7qfRmp3QZ6/+9Fu/v0AmWh/

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Ramnit

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

  • Ramnit family
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\winlogon.exe
    winlogon.exe
    1⤵
      PID:608
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:804
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:60
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:672
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:784
              • C:\Windows\system32\wbem\unsecapp.exe
                C:\Windows\system32\wbem\unsecapp.exe -Embedding
                2⤵
                  PID:3156
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  2⤵
                    PID:3820
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    2⤵
                      PID:3916
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      2⤵
                        PID:3984
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        2⤵
                          PID:4068
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          2⤵
                            PID:3708
                          • C:\Windows\system32\SppExtComObj.exe
                            C:\Windows\system32\SppExtComObj.exe -Embedding
                            2⤵
                              PID:1332
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              2⤵
                                PID:456
                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                2⤵
                                  PID:1860
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  2⤵
                                    PID:1680
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:808
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                    1⤵
                                      PID:900
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                      1⤵
                                        PID:960
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                        1⤵
                                          PID:736
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                          1⤵
                                            PID:1004
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                            1⤵
                                              PID:852
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                              1⤵
                                                PID:1104
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                1⤵
                                                  PID:1116
                                                • C:\Windows\System32\svchost.exe
                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                  1⤵
                                                    PID:1140
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                    1⤵
                                                      PID:1200
                                                      • C:\Windows\system32\taskhostw.exe
                                                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                        2⤵
                                                          PID:2684
                                                        • C:\Windows\system32\MusNotification.exe
                                                          C:\Windows\system32\MusNotification.exe
                                                          2⤵
                                                            PID:112
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                          1⤵
                                                            PID:1272
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                            1⤵
                                                              PID:1280
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                              1⤵
                                                                PID:1336
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                1⤵
                                                                  PID:1448
                                                                  • C:\Windows\system32\sihost.exe
                                                                    sihost.exe
                                                                    2⤵
                                                                      PID:2528
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                    1⤵
                                                                      PID:1464
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                      1⤵
                                                                        PID:1596
                                                                      • C:\Windows\System32\svchost.exe
                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                        1⤵
                                                                          PID:1604
                                                                        • C:\Windows\System32\svchost.exe
                                                                          C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                          1⤵
                                                                            PID:1636
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                            1⤵
                                                                              PID:1724
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                              1⤵
                                                                                PID:1764
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                1⤵
                                                                                  PID:1772
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                  1⤵
                                                                                    PID:1844
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                    1⤵
                                                                                      PID:1976
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                      1⤵
                                                                                        PID:2000
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                        1⤵
                                                                                          PID:2008
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                          1⤵
                                                                                            PID:1672
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                            1⤵
                                                                                              PID:1800
                                                                                            • C:\Windows\System32\spoolsv.exe
                                                                                              C:\Windows\System32\spoolsv.exe
                                                                                              1⤵
                                                                                                PID:2068
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                1⤵
                                                                                                  PID:2140
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                  1⤵
                                                                                                    PID:2216
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                    1⤵
                                                                                                      PID:2316
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                      1⤵
                                                                                                        PID:2500
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                        1⤵
                                                                                                          PID:2656
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                                          1⤵
                                                                                                            PID:2664
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                            1⤵
                                                                                                              PID:2672
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                              1⤵
                                                                                                                PID:2852
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                1⤵
                                                                                                                  PID:2900
                                                                                                                • C:\Windows\sysmon.exe
                                                                                                                  C:\Windows\sysmon.exe
                                                                                                                  1⤵
                                                                                                                    PID:2920
                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                    1⤵
                                                                                                                      PID:2952
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                      1⤵
                                                                                                                        PID:2968
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                        1⤵
                                                                                                                          PID:3264
                                                                                                                        • C:\Windows\Explorer.EXE
                                                                                                                          C:\Windows\Explorer.EXE
                                                                                                                          1⤵
                                                                                                                            PID:3516
                                                                                                                            • C:\Windows\system32\rundll32.exe
                                                                                                                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\2715e2e331369c798ad9218355bc79e0bed9d8e4f6fdf165202ede645a158a7e.dll,#1
                                                                                                                              2⤵
                                                                                                                              • Suspicious use of WriteProcessMemory
                                                                                                                              PID:1100
                                                                                                                              • C:\Windows\SysWOW64\rundll32.exe
                                                                                                                                rundll32.exe C:\Users\Admin\AppData\Local\Temp\2715e2e331369c798ad9218355bc79e0bed9d8e4f6fdf165202ede645a158a7e.dll,#1
                                                                                                                                3⤵
                                                                                                                                • Modifies firewall policy service
                                                                                                                                • Blocklisted process makes network request
                                                                                                                                • Enumerates connected drives
                                                                                                                                • Drops file in System32 directory
                                                                                                                                • System Location Discovery: System Language Discovery
                                                                                                                                • Suspicious use of WriteProcessMemory
                                                                                                                                PID:4164
                                                                                                                                • C:\Windows\SysWOW64\rundll32Srv.exe
                                                                                                                                  C:\Windows\SysWOW64\rundll32Srv.exe
                                                                                                                                  4⤵
                                                                                                                                  • Executes dropped EXE
                                                                                                                                  • Drops file in Program Files directory
                                                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                                                                  • Suspicious behavior: MapViewOfSection
                                                                                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                                                                                  • Suspicious use of WriteProcessMemory
                                                                                                                                  PID:1248
                                                                                                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                    C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 384
                                                                                                                                    5⤵
                                                                                                                                    • Program crash
                                                                                                                                    PID:2732
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                            1⤵
                                                                                                                              PID:3640
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                              1⤵
                                                                                                                                PID:4952
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                1⤵
                                                                                                                                  PID:3876
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                  1⤵
                                                                                                                                    PID:4080
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                    1⤵
                                                                                                                                      PID:2568
                                                                                                                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                      1⤵
                                                                                                                                        PID:4340
                                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                                        C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                        1⤵
                                                                                                                                          PID:2292
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
                                                                                                                                          1⤵
                                                                                                                                            PID:4592
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1248 -ip 1248
                                                                                                                                            1⤵
                                                                                                                                              PID:3688

                                                                                                                                            Network

                                                                                                                                            MITRE ATT&CK Enterprise v15

                                                                                                                                            Replay Monitor

                                                                                                                                            Loading Replay Monitor...

                                                                                                                                            Downloads

                                                                                                                                            • C:\Windows\SysWOW64\rundll32Srv.exe

                                                                                                                                              Filesize

                                                                                                                                              84KB

                                                                                                                                              MD5

                                                                                                                                              15c4d91b9254aa6a5d9cdf15a8c5fad1

                                                                                                                                              SHA1

                                                                                                                                              b07290b367a128f452edad6de8de5e2acc9157b4

                                                                                                                                              SHA256

                                                                                                                                              b169c634039baad537f3bed807d571efb6c5d3bed0088effa06fbdaa4bd362c8

                                                                                                                                              SHA512

                                                                                                                                              007ac72c67af1ffa3d0e829dea45ae4a70ea3f537f281ec3f1add4253c3fa4b9e854887073b6c0dfed7cc7e058e3210a3cd9d259a5b1cd053dc0b64e6a5ae7ed

                                                                                                                                            • memory/1248-11-0x00000000005A0000-0x00000000005AF000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              60KB

                                                                                                                                            • memory/1248-13-0x0000000000400000-0x0000000000435000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              212KB

                                                                                                                                            • memory/1248-4-0x0000000000400000-0x0000000000435000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              212KB

                                                                                                                                            • memory/1248-10-0x0000000077E62000-0x0000000077E63000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              4KB

                                                                                                                                            • memory/4164-9-0x0000000077E63000-0x0000000077E64000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              4KB

                                                                                                                                            • memory/4164-5-0x000000007EF90000-0x000000007EF9C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/4164-12-0x000000007EF90000-0x000000007EF9C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/4164-3-0x0000000006000000-0x00000000064C7000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              4.8MB

                                                                                                                                            • memory/4164-8-0x000000007EF90000-0x000000007EF9C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/4164-7-0x0000000077E62000-0x0000000077E63000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              4KB

                                                                                                                                            • memory/4164-6-0x000000007EF90000-0x000000007EF9C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/4164-17-0x0000000006000000-0x00000000064C7000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              4.8MB

                                                                                                                                            • memory/4164-18-0x000000007EF90000-0x000000007EF9C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB