Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-01-2025 21:18

General

  • Target

    23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6.exe

  • Size

    95KB

  • MD5

    0e9026f2988641f4851a1f6fc7ffdb81

  • SHA1

    e362f3b90be4f10de448ce97a8d0a6f35fa4f466

  • SHA256

    23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6

  • SHA512

    c1c5d15d96f629bb000702765363253f474c7471f522c1d75c30ed5148bb92947fced4ffdf0a518fd8249ee23c89e360fc8488d34828309b96540b41971c5bb0

  • SSDEEP

    768:j06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:hR0vxn3Pc0LCH9MtbvabUDzJYWu3B

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 37 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\smss.exe
    \SystemRoot\System32\smss.exe
    1⤵
      PID:256
    • C:\Windows\system32\csrss.exe
      %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
      1⤵
        PID:332
      • C:\Windows\system32\wininit.exe
        wininit.exe
        1⤵
          PID:384
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:476
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:600
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:2008
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:1468
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                        4⤵
                          PID:1632
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k RPCSS
                        3⤵
                          PID:676
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                          3⤵
                            PID:748
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            3⤵
                              PID:812
                              • C:\Windows\system32\Dwm.exe
                                "C:\Windows\system32\Dwm.exe"
                                4⤵
                                  PID:1160
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs
                                3⤵
                                  PID:840
                                  • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                    wmiadap.exe /F /T /R
                                    4⤵
                                      PID:2148
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalService
                                    3⤵
                                      PID:968
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k NetworkService
                                      3⤵
                                        PID:280
                                      • C:\Windows\System32\spoolsv.exe
                                        C:\Windows\System32\spoolsv.exe
                                        3⤵
                                          PID:324
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                          3⤵
                                            PID:1068
                                          • C:\Windows\system32\taskhost.exe
                                            "taskhost.exe"
                                            3⤵
                                              PID:1112
                                            • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                              "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                              3⤵
                                                PID:856
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                                3⤵
                                                  PID:2628
                                                • C:\Windows\system32\sppsvc.exe
                                                  C:\Windows\system32\sppsvc.exe
                                                  3⤵
                                                    PID:2260
                                                • C:\Windows\system32\lsass.exe
                                                  C:\Windows\system32\lsass.exe
                                                  2⤵
                                                    PID:492
                                                  • C:\Windows\system32\lsm.exe
                                                    C:\Windows\system32\lsm.exe
                                                    2⤵
                                                      PID:500
                                                  • C:\Windows\system32\csrss.exe
                                                    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                                    1⤵
                                                      PID:392
                                                    • C:\Windows\system32\winlogon.exe
                                                      winlogon.exe
                                                      1⤵
                                                        PID:432
                                                      • C:\Windows\Explorer.EXE
                                                        C:\Windows\Explorer.EXE
                                                        1⤵
                                                          PID:1188
                                                          • C:\Users\Admin\AppData\Local\Temp\23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6.exe
                                                            "C:\Users\Admin\AppData\Local\Temp\23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6.exe"
                                                            2⤵
                                                            • Loads dropped DLL
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of UnmapMainImage
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2944
                                                            • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                              "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                              3⤵
                                                              • Executes dropped EXE
                                                              • System Location Discovery: System Language Discovery
                                                              • Suspicious behavior: EnumeratesProcesses
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              • Suspicious use of UnmapMainImage
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:3024
                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                C:\Windows\system32\svchost.exe
                                                                4⤵
                                                                • Modifies WinLogon for persistence
                                                                • Drops file in System32 directory
                                                                • Drops file in Program Files directory
                                                                • System Location Discovery: System Language Discovery
                                                                PID:1292
                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                C:\Windows\system32\svchost.exe
                                                                4⤵
                                                                • System Location Discovery: System Language Discovery
                                                                • Suspicious behavior: EnumeratesProcesses
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2812

                                                        Network

                                                        MITRE ATT&CK Enterprise v15

                                                        Replay Monitor

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                                                        Downloads

                                                        • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\epl-v10.html

                                                          Filesize

                                                          204KB

                                                          MD5

                                                          813e462530e1d289a502dd607fa09eae

                                                          SHA1

                                                          2da6d957321ea141e127f036b321f8afe28e17a1

                                                          SHA256

                                                          7f11066a29687dddf49f4a7b8ca1f2a8fc64b82660a179c57338297151bf6e9f

                                                          SHA512

                                                          832f7bf80c9c79262d84b1ba81bdb86be876037e0fac1124a57ad6d7bab2b48129644a3b5138f656e6a18196e33a4a9df8a7a03e09ba12f2397380f9b3f78949

                                                        • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\license.html

                                                          Filesize

                                                          200KB

                                                          MD5

                                                          d4b6b49b61841b18051def7b99d470be

                                                          SHA1

                                                          99fd8c3958d28fadcc846f9ad4781a757f60d244

                                                          SHA256

                                                          e543a4347e7ea6716f13fd18c36d59ee3dc872d2087bedef087baa765cede0d5

                                                          SHA512

                                                          b59257f49892a37aeed875aa6ada3a6f521dac68619137912a9b1bc18b139354b5dab2373893ff57d764f8c414077a4fd25d17a8eb4ffd3d14f003dfa1252be0

                                                        • \Program Files (x86)\Microsoft\WaterMark.exe

                                                          Filesize

                                                          95KB

                                                          MD5

                                                          0e9026f2988641f4851a1f6fc7ffdb81

                                                          SHA1

                                                          e362f3b90be4f10de448ce97a8d0a6f35fa4f466

                                                          SHA256

                                                          23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6

                                                          SHA512

                                                          c1c5d15d96f629bb000702765363253f474c7471f522c1d75c30ed5148bb92947fced4ffdf0a518fd8249ee23c89e360fc8488d34828309b96540b41971c5bb0

                                                        • memory/1292-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/1292-47-0x0000000000090000-0x0000000000091000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1292-49-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/1292-42-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1292-43-0x0000000000080000-0x0000000000081000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1292-33-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/1292-348-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/1292-35-0x0000000000080000-0x0000000000081000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1292-51-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/1292-56-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2812-83-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2812-84-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2812-82-0x0000000077C80000-0x0000000077C81000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2812-77-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2812-79-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2812-80-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2812-73-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2812-81-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2812-62-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2944-7-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2944-3-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2944-2-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2944-4-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2944-1-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2944-6-0x0000000000360000-0x0000000000361000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2944-8-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2944-9-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2944-0-0x0000000000400000-0x0000000000439000-memory.dmp

                                                          Filesize

                                                          228KB

                                                        • memory/3024-19-0x0000000000400000-0x0000000000439000-memory.dmp

                                                          Filesize

                                                          228KB

                                                        • memory/3024-72-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/3024-78-0x0000000077C7F000-0x0000000077C80000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/3024-61-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/3024-60-0x0000000000060000-0x0000000000061000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/3024-30-0x0000000000050000-0x0000000000051000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/3024-31-0x0000000077C7F000-0x0000000077C80000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/3024-611-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/3024-27-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/3024-28-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB