Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 19:09

General

  • Target

    836b6139cfaf0666b37612e1cbf8578a882b01b6f4041e0d68d03dd63ab4f7fbN.dll

  • Size

    224KB

  • MD5

    f4452ffa750b695b3d921c95d4f94eb0

  • SHA1

    bfb105f0c59478d15bfca22fe93ab1962000c894

  • SHA256

    836b6139cfaf0666b37612e1cbf8578a882b01b6f4041e0d68d03dd63ab4f7fb

  • SHA512

    5cd43273ecc00f27db4e4fc3da225c181130f7ed9c4c6937ed2578a2fa28c21fd42682d639555f5af69ded931985bb89347c130ac7251a74b2935abc06ec7c6f

  • SSDEEP

    3072:ZGd5SXa28vl8juKJcXV9lCgGNlx91xaafMWtXZDPEs3K0G:0d5h7+juU8V9rGrr1xaaflpDPEs3HG

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 6 IoCs
  • Loads dropped DLL 12 IoCs
  • Drops file in System32 directory 4 IoCs
  • UPX packed file 17 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 47 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of UnmapMainImage 6 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:380
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:472
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:596
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1536
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:1328
                    • 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:1172
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:860
                                • C:\Windows\system32\wbem\WMIADAP.EXE
                                  wmiadap.exe /F /T /R
                                  4⤵
                                    PID:2612
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:972
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k NetworkService
                                    3⤵
                                      PID:268
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:328
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1068
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1108
                                          • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                            "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                            3⤵
                                              PID:1740
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                              3⤵
                                                PID:2976
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:1936
                                              • C:\Windows\system32\lsass.exe
                                                C:\Windows\system32\lsass.exe
                                                2⤵
                                                  PID:488
                                                • C:\Windows\system32\lsm.exe
                                                  C:\Windows\system32\lsm.exe
                                                  2⤵
                                                    PID:496
                                                • 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:428
                                                    • C:\Windows\Explorer.EXE
                                                      C:\Windows\Explorer.EXE
                                                      1⤵
                                                        PID:1208
                                                        • C:\Windows\system32\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\836b6139cfaf0666b37612e1cbf8578a882b01b6f4041e0d68d03dd63ab4f7fbN.dll,#1
                                                          2⤵
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2372
                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\836b6139cfaf0666b37612e1cbf8578a882b01b6f4041e0d68d03dd63ab4f7fbN.dll,#1
                                                            3⤵
                                                            • Loads dropped DLL
                                                            • Drops file in System32 directory
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:1268
                                                            • C:\Windows\SysWOW64\rundll32mgr.exe
                                                              C:\Windows\SysWOW64\rundll32mgr.exe
                                                              4⤵
                                                              • Executes dropped EXE
                                                              • Loads dropped DLL
                                                              • Drops file in System32 directory
                                                              • System Location Discovery: System Language Discovery
                                                              • Suspicious use of UnmapMainImage
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2484
                                                              • C:\Windows\SysWOW64\rundll32mgrmgr.exe
                                                                C:\Windows\SysWOW64\rundll32mgrmgr.exe
                                                                5⤵
                                                                • Executes dropped EXE
                                                                • Loads dropped DLL
                                                                • System Location Discovery: System Language Discovery
                                                                • Suspicious use of UnmapMainImage
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2480
                                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                                  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                                  6⤵
                                                                  • 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:2684
                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                    C:\Windows\system32\svchost.exe
                                                                    7⤵
                                                                    • System Location Discovery: System Language Discovery
                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                    PID:3056
                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                    C:\Windows\system32\svchost.exe
                                                                    7⤵
                                                                    • System Location Discovery: System Language Discovery
                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                    PID:2220
                                                              • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                                "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                                5⤵
                                                                • Executes dropped EXE
                                                                • Loads dropped DLL
                                                                • System Location Discovery: System Language Discovery
                                                                • Suspicious behavior: EnumeratesProcesses
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                • Suspicious use of UnmapMainImage
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2292
                                                                • C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe
                                                                  "C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe"
                                                                  6⤵
                                                                  • Executes dropped EXE
                                                                  • Loads dropped DLL
                                                                  • System Location Discovery: System Language Discovery
                                                                  • Suspicious use of UnmapMainImage
                                                                  • Suspicious use of WriteProcessMemory
                                                                  PID:2244
                                                                  • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                                    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                                    7⤵
                                                                    • 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:2308
                                                                    • C:\Windows\SysWOW64\svchost.exe
                                                                      C:\Windows\system32\svchost.exe
                                                                      8⤵
                                                                      • Modifies WinLogon for persistence
                                                                      • Drops file in System32 directory
                                                                      • Drops file in Program Files directory
                                                                      • System Location Discovery: System Language Discovery
                                                                      PID:3060
                                                                    • C:\Windows\SysWOW64\svchost.exe
                                                                      C:\Windows\system32\svchost.exe
                                                                      8⤵
                                                                      • System Location Discovery: System Language Discovery
                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                      PID:1600
                                                                • C:\Windows\SysWOW64\svchost.exe
                                                                  C:\Windows\system32\svchost.exe
                                                                  6⤵
                                                                  • System Location Discovery: System Language Discovery
                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                  PID:236
                                                                • C:\Windows\SysWOW64\svchost.exe
                                                                  C:\Windows\system32\svchost.exe
                                                                  6⤵
                                                                  • System Location Discovery: System Language Discovery
                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                  PID:1804
                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                              C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 224
                                                              4⤵
                                                              • Program crash
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:2280

                                                      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

                                                        384KB

                                                        MD5

                                                        a0ec1e61ddab3d54a6c1472b19d8292b

                                                        SHA1

                                                        8446ab1477754e9bb5a28e78a934b7319afe2d0a

                                                        SHA256

                                                        f6617eda9048a7771eed3c0fac74ef27f4290a37f8a1b804eb4fedaef15e58bd

                                                        SHA512

                                                        c13b55dbd148936684a65d510d7cea8bcb91a4b5efcd1a9bbfa6f82cd07f69fd209f95816794c923a19533e397de0a6037cf4b0052111c922374ca8ba1ac2827

                                                      • 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

                                                        381KB

                                                        MD5

                                                        4928721584cb5a51f0c98a016051d56f

                                                        SHA1

                                                        7e998d83f74a664fd30e4ed8be1b95ac77887eeb

                                                        SHA256

                                                        0ea0c18f48d6a35b521abf04b171eda86bbf5f4731f3765a4c80366ac5a9ab7c

                                                        SHA512

                                                        cabace0de385d49b9eae622562f2692aac917216f30c01b456a37c000d7eb0a8dad6cb9dd07ee67b85b44e8fe21c25074f815018a735760f669f898e09e73cb2

                                                      • \Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        185KB

                                                        MD5

                                                        a1ada298faa9819dca0eab0165d978d9

                                                        SHA1

                                                        50d7bd60790cc2370d4c3a2382e3e7248b95ef6e

                                                        SHA256

                                                        3f2af8dff9eb0ee18e38ce952c51bf1b461094fd03e71e137a61219c595cc742

                                                        SHA512

                                                        672a5f15f704932ae0dab2562238be9ca91743ce6885b79fe0bbf000ee1a8e9389278591221dcb6ee5d488faaf374d0603a985a62cb1b639ba27b0e774e25978

                                                      • \Windows\SysWOW64\rundll32mgrmgr.exe

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

                                                      • memory/236-142-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/236-140-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/236-150-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/1268-8-0x000000006D200000-0x000000006D238000-memory.dmp

                                                        Filesize

                                                        224KB

                                                      • memory/1268-9-0x0000000000130000-0x000000000016E000-memory.dmp

                                                        Filesize

                                                        248KB

                                                      • memory/1268-1-0x000000006D200000-0x000000006D238000-memory.dmp

                                                        Filesize

                                                        224KB

                                                      • memory/2244-68-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2244-3324-0x00000000001B0000-0x00000000001EE000-memory.dmp

                                                        Filesize

                                                        248KB

                                                      • memory/2292-925-0x0000000000370000-0x0000000000391000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2292-75-0x0000000000370000-0x0000000000396000-memory.dmp

                                                        Filesize

                                                        152KB

                                                      • memory/2292-74-0x0000000000400000-0x000000000043E000-memory.dmp

                                                        Filesize

                                                        248KB

                                                      • memory/2292-122-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2308-93-0x0000000077D5F000-0x0000000077D60000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2308-92-0x00000000003C0000-0x00000000003C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2308-921-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2308-129-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2308-69-0x0000000000400000-0x000000000043E000-memory.dmp

                                                        Filesize

                                                        248KB

                                                      • memory/2480-27-0x0000000000400000-0x0000000000426000-memory.dmp

                                                        Filesize

                                                        152KB

                                                      • memory/2480-87-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2484-29-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2484-31-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2484-11-0x0000000000400000-0x000000000043E000-memory.dmp

                                                        Filesize

                                                        248KB

                                                      • memory/2484-41-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2484-25-0x0000000000140000-0x0000000000141000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2484-23-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2484-22-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2484-21-0x0000000000120000-0x0000000000146000-memory.dmp

                                                        Filesize

                                                        152KB

                                                      • memory/2484-20-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2484-19-0x0000000000120000-0x0000000000146000-memory.dmp

                                                        Filesize

                                                        152KB

                                                      • memory/2484-28-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2684-101-0x0000000000050000-0x0000000000051000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2684-922-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2684-650-0x0000000077D5F000-0x0000000077D60000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2684-158-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3060-123-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3060-130-0x0000000000090000-0x0000000000091000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3060-124-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB