Analysis

  • max time kernel
    120s
  • max time network
    86s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 02:21

General

  • Target

    5894443a667888c965a793a435fa274e356f75ee7bb426a2c5d383ec2cb3dd8f.dll

  • Size

    749KB

  • MD5

    948c1804a0575469cc49ba7c9a9b7cc9

  • SHA1

    489973165043e4240e1523b7f49b7cf8bd3c24b5

  • SHA256

    5894443a667888c965a793a435fa274e356f75ee7bb426a2c5d383ec2cb3dd8f

  • SHA512

    ab322bc9116f34e4cdbb89804557f2a561d2d11890092f5a9638c853690b3338b948cee3f8157130e15a255d4616979db018a3880496bc8b84dbb3c7d2fd9c37

  • SSDEEP

    6144:2NIQzLZN4k3WvmRPLx+xXqOkyWh9ZN/c4bsXdHtVHs7Z9UqKJ0M:2NIyZN4+Wv4PLq6Okrh9ZN/hs9DsdDC

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 10 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 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 5 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:480
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:604
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    4⤵
                      PID:916
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:1860
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                        4⤵
                          PID:476
                      • 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:752
                          • 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:1168
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs
                                3⤵
                                  PID:856
                                • 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:112
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:1020
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1060
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1104
                                          • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                            "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                            3⤵
                                              PID:316
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                              3⤵
                                                PID:2228
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:2412
                                              • 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:396
                                                  • C:\Windows\system32\winlogon.exe
                                                    winlogon.exe
                                                    1⤵
                                                      PID:432
                                                    • C:\Windows\Explorer.EXE
                                                      C:\Windows\Explorer.EXE
                                                      1⤵
                                                        PID:1200
                                                        • C:\Windows\system32\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\5894443a667888c965a793a435fa274e356f75ee7bb426a2c5d383ec2cb3dd8f.dll,#1
                                                          2⤵
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2168
                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5894443a667888c965a793a435fa274e356f75ee7bb426a2c5d383ec2cb3dd8f.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:2232
                                                            • 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 UnmapMainImage
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2680
                                                              • 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 UnmapMainImage
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2380
                                                                • 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:2516
                                                                • 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:2880
                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                              C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 224
                                                              4⤵
                                                              • Program crash
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:2704

                                                      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

                                                        341KB

                                                        MD5

                                                        2ad8e7e0204ab1ed569e81d2a98c61ed

                                                        SHA1

                                                        a3b116c6178303d245d0cd38f2c624d374eca77a

                                                        SHA256

                                                        59898af81ca676cd1109a01ac4caeb658abb4b6c6b2c83959248d304d7683711

                                                        SHA512

                                                        5bbf1480af3380e9e8ada44d1eb0c4e9912bb2ae0c4076d939c9eab4087b0f2ae874e777e6c804870e8e5d3fb95b665573a6c7751fa076ce8d80e49be42813f7

                                                      • 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

                                                        337KB

                                                        MD5

                                                        7f17e79452adac10c8e4e37c5f431918

                                                        SHA1

                                                        bac05960951348b03c9224e8e6dea984a8d86d7e

                                                        SHA256

                                                        57f8e65b7116a698e5bb08c5954357227752e4784c329bcbf511c5296a703ca6

                                                        SHA512

                                                        75f5eef3fff180cd205083a2d696f4a065bb96b5e73f1f5779cbb2a23c6f7a236f9a56b04c322e8d2879c855cdebb1b322a70f39a7ea93c3b0678cdedf2ff640

                                                      • \Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        164KB

                                                        MD5

                                                        2a37762e1964cb393abf1b26b048e762

                                                        SHA1

                                                        6167b12b2d0e4db8bad3dd8ac6c7674f8eea2f1d

                                                        SHA256

                                                        385539e7b0dbbe1de66ca4888b07baab2bbce51b3e6c6edc1b2602628fa7d8e5

                                                        SHA512

                                                        57e2904f6231c879d99df7fdbc321c03c76bef310e0510b818d1fa3663d44d6e56742d1b746e96d42e9559c83d437bbc4eb7fe672567fd7e18ec513bfb8c53aa

                                                      • memory/2232-412-0x0000000010000000-0x00000000100C1000-memory.dmp

                                                        Filesize

                                                        772KB

                                                      • memory/2232-12-0x0000000000250000-0x000000000028A000-memory.dmp

                                                        Filesize

                                                        232KB

                                                      • memory/2232-10-0x0000000000250000-0x000000000028A000-memory.dmp

                                                        Filesize

                                                        232KB

                                                      • memory/2232-9-0x0000000010000000-0x00000000100C1000-memory.dmp

                                                        Filesize

                                                        772KB

                                                      • memory/2232-0-0x0000000010000000-0x00000000100C1000-memory.dmp

                                                        Filesize

                                                        772KB

                                                      • memory/2380-90-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2380-44-0x00000000774DF000-0x00000000774E0000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2380-92-0x00000000774DF000-0x00000000774E0000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2380-665-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2380-45-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2380-73-0x0000000000170000-0x0000000000171000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2380-33-0x0000000000400000-0x000000000043A000-memory.dmp

                                                        Filesize

                                                        232KB

                                                      • memory/2380-43-0x0000000000160000-0x0000000000161000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2380-42-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2516-409-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2516-55-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2516-56-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2516-46-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2516-48-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2516-66-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2516-69-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2516-63-0x0000000000090000-0x0000000000091000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2516-57-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2680-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2680-20-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2680-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2680-11-0x0000000000400000-0x000000000043A000-memory.dmp

                                                        Filesize

                                                        232KB

                                                      • memory/2680-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2680-31-0x0000000000050000-0x000000000008A000-memory.dmp

                                                        Filesize

                                                        232KB

                                                      • memory/2680-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2680-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2680-17-0x0000000000140000-0x0000000000141000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2680-22-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2880-85-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2880-93-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2880-91-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2880-94-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2880-95-0x00000000774E0000-0x00000000774E1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2880-96-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2880-97-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2880-89-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2880-75-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB