Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 21:40

General

  • Target

    1d3403bdc7b564139e9591d9699abc7c3a28bd831b3d841892536a5369a7fa2a.dll

  • Size

    584KB

  • MD5

    b3623af4222be1144ef61652c8af733d

  • SHA1

    3ba67eacdded0ae27769acc4f05f0659e1e96987

  • SHA256

    1d3403bdc7b564139e9591d9699abc7c3a28bd831b3d841892536a5369a7fa2a

  • SHA512

    e216f9961ed7cb584d38ffb0eacea2898739675d176881d9116bb521b6953ee9146d5fc6b531f0e1b007b89ccb87a31f6772488c3ca833d0a16264da39a1d269

  • SSDEEP

    12288:BhpUrEIZJqr1AkBWwNa5R0EYl795/amaX3QXaPKUZ7l25:B/jG01NHXaPd7l25

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 37 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: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\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    4⤵
                      PID:844
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:1452
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                        4⤵
                          PID:2532
                      • 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:808
                              • C:\Windows\system32\Dwm.exe
                                "C:\Windows\system32\Dwm.exe"
                                4⤵
                                  PID:1044
                              • 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:2532
                                  • 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:112
                                      • C:\Windows\system32\taskhost.exe
                                        "taskhost.exe"
                                        3⤵
                                          PID:1072
                                        • C:\Windows\System32\spoolsv.exe
                                          C:\Windows\System32\spoolsv.exe
                                          3⤵
                                            PID:1080
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                            3⤵
                                              PID:1168
                                            • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                              "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                              3⤵
                                                PID:2024
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                                3⤵
                                                  PID:1580
                                                • C:\Windows\system32\sppsvc.exe
                                                  C:\Windows\system32\sppsvc.exe
                                                  3⤵
                                                    PID:2264
                                                • C:\Windows\system32\lsass.exe
                                                  C:\Windows\system32\lsass.exe
                                                  2⤵
                                                    PID:484
                                                  • C:\Windows\system32\lsm.exe
                                                    C:\Windows\system32\lsm.exe
                                                    2⤵
                                                      PID:492
                                                  • 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:388
                                                    • C:\Windows\system32\winlogon.exe
                                                      winlogon.exe
                                                      1⤵
                                                        PID:428
                                                      • C:\Windows\Explorer.EXE
                                                        C:\Windows\Explorer.EXE
                                                        1⤵
                                                          PID:1124
                                                          • C:\Windows\system32\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d3403bdc7b564139e9591d9699abc7c3a28bd831b3d841892536a5369a7fa2a.dll,#1
                                                            2⤵
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:1840
                                                            • C:\Windows\SysWOW64\rundll32.exe
                                                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d3403bdc7b564139e9591d9699abc7c3a28bd831b3d841892536a5369a7fa2a.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:1776
                                                              • 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:1600
                                                                  • 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:2620
                                                                  • 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:1612
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 232
                                                                4⤵
                                                                • Program crash
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:2932

                                                        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

                                                          259KB

                                                          MD5

                                                          a42493fd70e318b46fb84a973345ecc8

                                                          SHA1

                                                          61edcc9676f9deceae9ab8c212d1314a3f54205f

                                                          SHA256

                                                          0423099831934a9b76e1089765c55caf49d0e44e2b65cbe895e16edbbff5991a

                                                          SHA512

                                                          da1e7d1d708bf0438b52d4857c6aa1824ab352b0f6eefaf89461145be489d3f16095ef78a3f64d8dc64665c7ff26b8fbdec93f721625b75c332695ae1ba80294

                                                        • 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

                                                          255KB

                                                          MD5

                                                          1e1134a04052cfe798a8f98ac48f6aa0

                                                          SHA1

                                                          896423a3878d4fe68c0932e2fa61bc32696226e9

                                                          SHA256

                                                          5ce4c643818547954f91a0fd3ab54e98e207aaacce87a9ec8d3db9b11a182d76

                                                          SHA512

                                                          5f7a41a09b0e18a4fa7220731e19e1ac0442adbfeb1f2c2519f5ffcdafa3a598e2606dfc6b1ffc694b4fff85839d75b55e5e8e1fa25ab56bba66b601c70a1689

                                                        • \Windows\SysWOW64\rundll32mgr.exe

                                                          Filesize

                                                          123KB

                                                          MD5

                                                          c2bb3e8d8e00f69c367e370264df820f

                                                          SHA1

                                                          a7fbd3731b6fa40ad4f43a010195d415853294da

                                                          SHA256

                                                          90eb078030e6447d0e9815e2f7f1b32182fe84c5520203eeb5f2de39cfcce2d0

                                                          SHA512

                                                          52b9d6006b5d8c575b464c9802424925012f22a210714451f5df8da5dc02ed39d597db309ca97c4f97f1967ff37cc8ca903535bf34bab74bcbefa62eee6f5480

                                                        • memory/1600-88-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/1600-89-0x000000007759F000-0x00000000775A0000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1600-72-0x0000000000230000-0x0000000000231000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1600-40-0x0000000000220000-0x0000000000221000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1600-41-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/1600-679-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/1600-42-0x000000007759F000-0x00000000775A0000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1612-83-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1612-92-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1612-93-0x0000000000140000-0x0000000000141000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1612-94-0x00000000775A0000-0x00000000775A1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1612-74-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1612-87-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1612-90-0x0000000000130000-0x0000000000131000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1612-91-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1776-1-0x0000000010000000-0x0000000010093000-memory.dmp

                                                          Filesize

                                                          588KB

                                                        • memory/1776-5-0x0000000000140000-0x000000000016B000-memory.dmp

                                                          Filesize

                                                          172KB

                                                        • memory/1776-0-0x0000000010000000-0x0000000010093000-memory.dmp

                                                          Filesize

                                                          588KB

                                                        • memory/1776-12-0x0000000000140000-0x000000000016B000-memory.dmp

                                                          Filesize

                                                          172KB

                                                        • memory/1776-2-0x0000000010000000-0x0000000010093000-memory.dmp

                                                          Filesize

                                                          588KB

                                                        • memory/1776-425-0x0000000010000000-0x0000000010093000-memory.dmp

                                                          Filesize

                                                          588KB

                                                        • memory/2620-54-0x0000000000120000-0x0000000000121000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2620-426-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2620-56-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2620-63-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2620-61-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2620-60-0x0000000000110000-0x0000000000111000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2620-55-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2620-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2620-46-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2620-68-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

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

                                                          Filesize

                                                          132KB

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

                                                          Filesize

                                                          132KB

                                                        • memory/2680-17-0x00000000001C0000-0x00000000001C1000-memory.dmp

                                                          Filesize

                                                          4KB

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

                                                          Filesize

                                                          132KB

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

                                                          Filesize

                                                          132KB

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

                                                          Filesize

                                                          132KB

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

                                                          Filesize

                                                          132KB

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

                                                          Filesize

                                                          132KB