Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2025, 13:45

General

  • Target

    a62396c5b2664d2a9a0bb6fe18e15b282353fb6336bc198699757016ffc6a27c.dll

  • Size

    558KB

  • MD5

    1f7c50d32d596204a81db9ea35dde332

  • SHA1

    8b03955ef7cb83fe583938ca80fca2c406c0dd7e

  • SHA256

    a62396c5b2664d2a9a0bb6fe18e15b282353fb6336bc198699757016ffc6a27c

  • SHA512

    5ac8039dcb992a1d97721b640795d9baf086d0e50b3c85bf99378d6a2f93d7090f28ce5bccf09f5e51427b94cc75d33550d972af90e35b30bb00551e4137c9dc

  • SSDEEP

    12288:zh8fZLyb9PzVMBC/HVMOp4PkxHLCYwZckMQMNzfld1B:z8F+Pzr/Hfp4MIYwZckMQmzfZB

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 11 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:476
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:612
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1532
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:352
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                        4⤵
                          PID:1528
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k RPCSS
                        3⤵
                          PID:692
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                          3⤵
                            PID:772
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            3⤵
                              PID:820
                              • C:\Windows\system32\Dwm.exe
                                "C:\Windows\system32\Dwm.exe"
                                4⤵
                                  PID:1172
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs
                                3⤵
                                  PID:864
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:972
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k NetworkService
                                    3⤵
                                      PID:284
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:356
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1064
                                        • 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:768
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                              3⤵
                                                PID:2080
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:2932
                                              • 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:392
                                                  • 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\a62396c5b2664d2a9a0bb6fe18e15b282353fb6336bc198699757016ffc6a27c.dll,#1
                                                          2⤵
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2144
                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a62396c5b2664d2a9a0bb6fe18e15b282353fb6336bc198699757016ffc6a27c.dll,#1
                                                            3⤵
                                                            • Loads dropped DLL
                                                            • Drops file in System32 directory
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2700
                                                            • 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:2804
                                                              • 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:2136
                                                                • 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:2544
                                                                • 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:2096

                                                      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

                                                        260KB

                                                        MD5

                                                        8b408002c08257961a3e1bdac6251fe8

                                                        SHA1

                                                        b9b4e3f00a3890d1ed8e8e12a52a44612ab97e9f

                                                        SHA256

                                                        4841038a93ba22d689640f150ef8d024bf9c075eab0ff38d22ec1589755806b7

                                                        SHA512

                                                        855bdb1a32a8617041f046bf0eea9bd02dad8d47addba1869cb7dc20bf4944a166d0930def7d4a43ae4472f8b5b1113985da9c62595ee082c6098e43c6c3c516

                                                      • 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

                                                        256KB

                                                        MD5

                                                        8b70af28225fcea59fbcfecb312eba1e

                                                        SHA1

                                                        bf80911e9686a795bf6374b062408d0bbb3837ae

                                                        SHA256

                                                        e2f567a08fc769a12760cbe9d14eee43368713869bc415df9d7c182b0dd9d0e1

                                                        SHA512

                                                        54d77fae1fb7187cdbc3eae48d6af07ad4715a3ef27d177950ea48cdc515689e206dd67cff25b9ecab9f39e851da9e6f148e71aeeb2746fcf3e5633391582a48

                                                      • \Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        123KB

                                                        MD5

                                                        2cc65cb5dea68dcb6aefbce0d78a3fa3

                                                        SHA1

                                                        f05fd2ad722e4feb9f90fec42081b00acd5b3810

                                                        SHA256

                                                        a461da98eb645a7df5450ef0ac644674d32a557ce94b2529bc3fd8b896143ef3

                                                        SHA512

                                                        e67951b2dbad43c143e6a7f9058dccbba669913804ed8c74720a5694edd1e2a3021c98affa68b0565b2a266ec5132b531d79eeb41989bc1c418d5bb8842b7db5

                                                      • memory/2096-93-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2096-74-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2096-83-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2096-87-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2096-89-0x00000000000F0000-0x00000000000F1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2096-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2096-91-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2096-92-0x0000000000100000-0x0000000000101000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2096-94-0x0000000077E30000-0x0000000077E31000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2136-355-0x0000000077E2F000-0x0000000077E30000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2136-88-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2136-32-0x0000000000400000-0x0000000000441000-memory.dmp

                                                        Filesize

                                                        260KB

                                                      • memory/2136-40-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2136-41-0x0000000000160000-0x0000000000161000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2136-42-0x0000000077E2F000-0x0000000077E30000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2136-43-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2136-72-0x0000000000060000-0x0000000000061000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2136-611-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2136-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2544-64-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2544-358-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2544-55-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2544-68-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2544-67-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2544-66-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2544-45-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2544-47-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2544-60-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2700-1-0x0000000010000000-0x0000000010091000-memory.dmp

                                                        Filesize

                                                        580KB

                                                      • memory/2700-0-0x0000000010000000-0x0000000010091000-memory.dmp

                                                        Filesize

                                                        580KB

                                                      • memory/2700-4-0x0000000000270000-0x00000000002B1000-memory.dmp

                                                        Filesize

                                                        260KB

                                                      • memory/2804-11-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2804-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2804-17-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2804-18-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2804-20-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2804-15-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2804-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2804-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2804-28-0x0000000000220000-0x0000000000261000-memory.dmp

                                                        Filesize

                                                        260KB

                                                      • memory/2804-30-0x0000000000220000-0x0000000000261000-memory.dmp

                                                        Filesize

                                                        260KB