Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 11:21

General

  • Target

    8dd904cf25ac653ca5701891a12739f45f971c67a54eded95f753d3f4c0b55d0N.dll

  • Size

    562KB

  • MD5

    a6e7bf5821b0325bb948946bfe940fc0

  • SHA1

    3bbe2787cdf0c09d2c84ef2fb10b3a93cad3979b

  • SHA256

    8dd904cf25ac653ca5701891a12739f45f971c67a54eded95f753d3f4c0b55d0

  • SHA512

    fdcfedabb8ce986037e74328de184223ba9900cf184a20710f873fc2e434b56b765e51fd21f53447c143c8b7bc6a80b91af9dff271fc5dc71af907e5d9ee49ea

  • SSDEEP

    12288:Uh8fZLyb9PzVMBC/HVMOp4PkxHLCYwZckMQMN1Zks:U8F+Pzr/Hfp4MIYwZckMQmXks

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 12 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 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:336
      • C:\Windows\system32\wininit.exe
        wininit.exe
        1⤵
          PID:384
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:484
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:592
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1276
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:888
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:672
                      • 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:800
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1164
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:844
                                • C:\Windows\system32\wbem\WMIADAP.EXE
                                  wmiadap.exe /F /T /R
                                  4⤵
                                    PID:2172
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:960
                                  • 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:1016
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1060
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1112
                                          • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                            "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                            3⤵
                                              PID:1636
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                              3⤵
                                                PID:3020
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:344
                                              • C:\Windows\system32\lsass.exe
                                                C:\Windows\system32\lsass.exe
                                                2⤵
                                                  PID:492
                                                • C:\Windows\system32\lsm.exe
                                                  C:\Windows\system32\lsm.exe
                                                  2⤵
                                                    PID:500
                                                • C:\Windows\system32\csrss.exe
                                                  %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                                  1⤵
                                                    PID:396
                                                  • C:\Windows\system32\winlogon.exe
                                                    winlogon.exe
                                                    1⤵
                                                      PID:432
                                                    • C:\Windows\Explorer.EXE
                                                      C:\Windows\Explorer.EXE
                                                      1⤵
                                                        PID:1208
                                                        • C:\Windows\system32\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dd904cf25ac653ca5701891a12739f45f971c67a54eded95f753d3f4c0b55d0N.dll,#1
                                                          2⤵
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2532
                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dd904cf25ac653ca5701891a12739f45f971c67a54eded95f753d3f4c0b55d0N.dll,#1
                                                            3⤵
                                                            • Loads dropped DLL
                                                            • Drops file in System32 directory
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2548
                                                            • 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:3024
                                                              • 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:1900
                                                                • 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:2748
                                                                • 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:1056

                                                      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

                                                        268KB

                                                        MD5

                                                        35d4bd89d9cd1ef7d7c91df4d4e94fd7

                                                        SHA1

                                                        e4401a511ebcc9abaeac71e5021fb3e864cf865f

                                                        SHA256

                                                        965f327aa69acc5ca6c6033212a312790e63a4c4def5ec39c873697ffc39d0ff

                                                        SHA512

                                                        c8f063905486a4548c3f918cac21a3df7bc97979feee9a8ad9104ef5c7ca9da0e5dc2f5c0c754f4f49a916c8ff39366cd9dca0a973f6ee116cb9a2cc9281da59

                                                      • 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

                                                        264KB

                                                        MD5

                                                        5672125d57b32431b362c586a5f7245d

                                                        SHA1

                                                        62b148399215f5491088c1b80041df9f4fcc2848

                                                        SHA256

                                                        6c2de6b5df42b87d4c10e13970ff9474b20519e06b8aa9ce30a45c6cb7d38dc5

                                                        SHA512

                                                        e051a3b988ceb262c331cfb89bb82c9ff741d141c812387438a2ca85ea92de344eacf8d840e5a65642a60694b6962745228dbb5d57fc6c98920393313e889535

                                                      • \Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        127KB

                                                        MD5

                                                        401b6a71129fa203f1bf4d5ade823209

                                                        SHA1

                                                        5ac71804a83b9acd4698a947eca02d1b1fbcdb93

                                                        SHA256

                                                        872552670d9eedc68c82906db27d877b552a111438c9ab4839f80444c3baaea2

                                                        SHA512

                                                        24706afbc25df0e42a76adc7a7c114c5f43a41682fb48a279559016323358d31ebb3349bd5d13e877659110b88a29d79f075c220e8fbb9ab9be2bdd548a56e50

                                                      • memory/1056-94-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1056-95-0x0000000000500000-0x0000000000501000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1056-77-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1056-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1056-86-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1056-97-0x0000000077610000-0x0000000077611000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1056-96-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1056-92-0x00000000004F0000-0x00000000004F1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1056-93-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1900-351-0x000000007760F000-0x0000000077610000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1900-43-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1900-91-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1900-35-0x0000000000400000-0x0000000000432000-memory.dmp

                                                        Filesize

                                                        200KB

                                                      • memory/1900-617-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1900-45-0x000000007760F000-0x0000000077610000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1900-44-0x00000000001A0000-0x00000000001A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1900-75-0x0000000000060000-0x0000000000061000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1900-46-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1900-47-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2548-5-0x0000000010000000-0x0000000010092000-memory.dmp

                                                        Filesize

                                                        584KB

                                                      • memory/2548-2-0x0000000010000000-0x0000000010092000-memory.dmp

                                                        Filesize

                                                        584KB

                                                      • memory/2548-0-0x0000000010000000-0x0000000010092000-memory.dmp

                                                        Filesize

                                                        584KB

                                                      • memory/2548-11-0x00000000001C0000-0x00000000001F2000-memory.dmp

                                                        Filesize

                                                        200KB

                                                      • memory/2548-10-0x00000000001C0000-0x00000000001F2000-memory.dmp

                                                        Filesize

                                                        200KB

                                                      • memory/2748-66-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2748-48-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2748-70-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2748-50-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2748-58-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2748-63-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2748-64-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2748-65-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2748-354-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/3024-21-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3024-23-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3024-20-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3024-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3024-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3024-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3024-34-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3024-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3024-18-0x0000000000140000-0x0000000000141000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3024-13-0x0000000000400000-0x0000000000432000-memory.dmp

                                                        Filesize

                                                        200KB