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
    10-12-2024 17:30

General

  • Target

    2ff9a759b1a15d61783762a9c3595a0983972d5e8117b4ad30239ad40f43dd19N.dll

  • Size

    156KB

  • MD5

    cbaea82b71660159af6de5a530d04e20

  • SHA1

    f2d1de3d319fa613d6579c3a3ffdc08dfe2d0d8f

  • SHA256

    2ff9a759b1a15d61783762a9c3595a0983972d5e8117b4ad30239ad40f43dd19

  • SHA512

    4cf29c705eb7b9dec6baad65330e6f29709eb8d2734833689cb0562c40ac2722386c8e98703203677d4df3acb26a76db40cdc3c197d29d74397f27057ac725fa

  • SSDEEP

    3072:ln4cV8gf2u41Z5tKlw6XZufRdL+eONORnKW12hB7:B4y8gOl2puiORnj12hB7

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 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 5 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 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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:600
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1352
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:268
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:680
                      • 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:816
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1176
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:852
                                • C:\Windows\system32\wbem\WMIADAP.EXE
                                  wmiadap.exe /F /T /R
                                  4⤵
                                    PID:840
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:964
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k NetworkService
                                    3⤵
                                      PID:108
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:1016
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1052
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1120
                                          • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                            "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                            3⤵
                                              PID:1604
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                              3⤵
                                                PID:3040
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:2560
                                              • 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:1240
                                                        • C:\Windows\system32\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ff9a759b1a15d61783762a9c3595a0983972d5e8117b4ad30239ad40f43dd19N.dll,#1
                                                          2⤵
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2668
                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ff9a759b1a15d61783762a9c3595a0983972d5e8117b4ad30239ad40f43dd19N.dll,#1
                                                            3⤵
                                                            • Loads dropped DLL
                                                            • Drops file in System32 directory
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2340
                                                            • C:\Windows\SysWOW64\rundll32mgr.exe
                                                              C:\Windows\SysWOW64\rundll32mgr.exe
                                                              4⤵
                                                              • Executes dropped EXE
                                                              • Loads dropped DLL
                                                              • System Location Discovery: System Language Discovery
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:1524
                                                              • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                                "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                                5⤵
                                                                • Executes dropped EXE
                                                                • System Location Discovery: System Language Discovery
                                                                • Suspicious behavior: EnumeratesProcesses
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:1996
                                                                • C:\Windows\SysWOW64\svchost.exe
                                                                  C:\Windows\system32\svchost.exe
                                                                  6⤵
                                                                  • Modifies WinLogon for persistence
                                                                  • Drops file in System32 directory
                                                                  • Drops file in Program Files directory
                                                                  • System Location Discovery: System Language Discovery
                                                                  PID:2260
                                                                • C:\Windows\SysWOW64\svchost.exe
                                                                  C:\Windows\system32\svchost.exe
                                                                  6⤵
                                                                  • System Location Discovery: System Language Discovery
                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                  • Suspicious use of WriteProcessMemory
                                                                  PID:2052

                                                      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

                                                        144KB

                                                        MD5

                                                        e294f5976f455d75120e531986af945c

                                                        SHA1

                                                        4d18a11c05da2e468884fbc210203dd6ccecba58

                                                        SHA256

                                                        9b605d2c59c8c8bc1c1708fc0a943e808930a9567f80e12bd1ec5bafdb093780

                                                        SHA512

                                                        fcc4b70d575ca2382a2f2a0d0cd1262aa6e206f8a142d1a97614f8194fc05bb6bf2fdf00351403bef7601bd76964989e0eed356fe25a7f9f5226601e68d58cfe

                                                      • 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

                                                        140KB

                                                        MD5

                                                        3f389a3a4634137b280dce01a24c39a7

                                                        SHA1

                                                        214fbdf7597596c7a40a87b9b435ed7840b87781

                                                        SHA256

                                                        92bf0c554d28ac6e20ab116a13260eaae87c763a76fee9559aebd2e422930d38

                                                        SHA512

                                                        a83f67a174f79e43b18f6ab16fc4d654fbe026a4eca69f57a1fd89a340155ec9a1fb8c58671c14b3651564d8f50d7f509aa434e7bdc7fdbd2096068b00c3fb39

                                                      • \Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        65KB

                                                        MD5

                                                        a9ea94ee4a3bb43d4057823b2072dc54

                                                        SHA1

                                                        94ade3c34ec08613daba8a1240586c24f8169794

                                                        SHA256

                                                        7edbb67a880d90e53ec7949c4907f4ccf5596899b98ed8651b01a485a7b06789

                                                        SHA512

                                                        0ae24a452c474a0b67eb17ceb78eabc46aad7f04a249d526cbd1bf25ccc94016133ee6cdd1cf342fa3c8dbff60372d18df56137a6c0303bbaee07f005f930ab5

                                                      • memory/1524-11-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1996-49-0x0000000000250000-0x0000000000251000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1996-23-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1996-22-0x00000000001C0000-0x00000000001C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1996-21-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1996-579-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1996-575-0x0000000077C8F000-0x0000000077C90000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1996-63-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1996-50-0x0000000077C8F000-0x0000000077C90000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2052-66-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2052-69-0x0000000077C90000-0x0000000077C91000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2052-62-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2052-65-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2052-67-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2052-52-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2052-58-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2052-68-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2052-64-0x00000000001A0000-0x00000000001A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2260-43-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2260-35-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2260-31-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2260-36-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2260-27-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2260-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2260-324-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2260-37-0x0000000000090000-0x0000000000091000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2260-39-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2260-25-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2340-2-0x0000000010000000-0x0000000010028000-memory.dmp

                                                        Filesize

                                                        160KB