Analysis

  • max time kernel
    120s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 06:02

General

  • Target

    683ca425f41a71de907a7203e850eaf6a171a7b53982c7a1c7a7129de4b09c8b.dll

  • Size

    444KB

  • MD5

    42ed7465e999692d58bd4fb253c70903

  • SHA1

    e112f2b6055aead172d349971384cfcab9c28276

  • SHA256

    683ca425f41a71de907a7203e850eaf6a171a7b53982c7a1c7a7129de4b09c8b

  • SHA512

    526f053cac120d71a10f96405b231b39ef3c7f09af3de468bec6ba016e5462b564d86037df8ae112a80fa33be6189c23dbcbd99435c41eb2247f656061d030d0

  • SSDEEP

    12288:KXo450qjYthuCNIm/kqF6a2FjyHIDiAstWeO5xzb6A:7/ku6FjyHe5KOP/x

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 2 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 4 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:596
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    4⤵
                      PID:1272
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:840
                    • 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:744
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          3⤵
                            PID:812
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1236
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:848
                                • C:\Windows\system32\wbem\WMIADAP.EXE
                                  wmiadap.exe /F /T /R
                                  4⤵
                                    PID:1168
                                • 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:236
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:560
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1044
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1128
                                          • 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:2136
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:1668
                                              • 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:1280
                                                        • C:\Windows\system32\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\683ca425f41a71de907a7203e850eaf6a171a7b53982c7a1c7a7129de4b09c8b.dll,#1
                                                          2⤵
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:3004
                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\683ca425f41a71de907a7203e850eaf6a171a7b53982c7a1c7a7129de4b09c8b.dll,#1
                                                            3⤵
                                                            • Loads dropped DLL
                                                            • Drops file in System32 directory
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2632
                                                            • C:\Windows\SysWOW64\rundll32Srv.exe
                                                              C:\Windows\SysWOW64\rundll32Srv.exe
                                                              4⤵
                                                              • Executes dropped EXE
                                                              • Loads dropped DLL
                                                              • System Location Discovery: System Language Discovery
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2720
                                                              • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                                "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                                5⤵
                                                                • Executes dropped EXE
                                                                • System Location Discovery: System Language Discovery
                                                                • Suspicious behavior: EnumeratesProcesses
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2652
                                                                • 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
                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                  PID:2848
                                                                • 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:2984

                                                      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.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\epl-v10.html

                                                        Filesize

                                                        147KB

                                                        MD5

                                                        ba0c132e6d78f8f7b405633d5e1c3b49

                                                        SHA1

                                                        6fc340ed508c830536d81dd35c4de31f2a311b7b

                                                        SHA256

                                                        845a3fb2161a518cc3f9d672f60b464caf2bcb9828e0a8d1a41de99056094820

                                                        SHA512

                                                        30569fb36ae8a7d7948ab6dce33269c0ddbab4fa887414ee9afca2c1f1531b01182eb19a06498fb82b5e4404672a5eb4d722fd61578128d7affb49470ab41d19

                                                      • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\license.html

                                                        Filesize

                                                        144KB

                                                        MD5

                                                        c0038de1ec8e010f79228d08dbe6fec0

                                                        SHA1

                                                        dec2530dd7fde5b3064f166515cb7b49deaf7a50

                                                        SHA256

                                                        6f4d7f48c13c6ebf61248c0b563358c13749bfe6727cfc81dd76f7c0c8198269

                                                        SHA512

                                                        52392497b4fb7408f440ad60ea6b23cb2d71091c2e9e8614257e8be9be9bca653bb37ef174815a38497b1a4a6e346ff674bf649148d97ab379909c4a24b9cfc9

                                                      • \Windows\SysWOW64\rundll32Srv.exe

                                                        Filesize

                                                        67KB

                                                        MD5

                                                        ce9076b388d0d859a1dbedb92c00f876

                                                        SHA1

                                                        0f1a621d667f851a81c25f1adba89f3872ac6eeb

                                                        SHA256

                                                        32c21048d6c384be965ca83d554fb142ea0ca798cc1a552f8e800e75aae142f6

                                                        SHA512

                                                        f52a96c155047fb4cea09f8c6d44db8e0bb267c7829812eefe126d787f3197ed27f45d48eff440d8f9dacf71cd518667064f59bf334f2c871f88354ca60ad293

                                                      • memory/2632-366-0x0000000010000000-0x00000000126A7000-memory.dmp

                                                        Filesize

                                                        38.7MB

                                                      • memory/2632-8-0x0000000010000000-0x00000000126A7000-memory.dmp

                                                        Filesize

                                                        38.7MB

                                                      • memory/2652-43-0x00000000002B0000-0x00000000002B1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2652-20-0x00000000002A0000-0x00000000002A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2720-17-0x0000000000400000-0x0000000000472000-memory.dmp

                                                        Filesize

                                                        456KB

                                                      • memory/2848-40-0x0000000020010000-0x0000000020021000-memory.dmp

                                                        Filesize

                                                        68KB

                                                      • memory/2848-36-0x0000000020010000-0x0000000020021000-memory.dmp

                                                        Filesize

                                                        68KB

                                                      • memory/2848-32-0x0000000020010000-0x0000000020021000-memory.dmp

                                                        Filesize

                                                        68KB

                                                      • memory/2848-24-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2848-22-0x0000000020010000-0x0000000020021000-memory.dmp

                                                        Filesize

                                                        68KB

                                                      • memory/2984-45-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2984-63-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2984-62-0x0000000000170000-0x0000000000171000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2984-61-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2984-60-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2984-59-0x0000000000160000-0x0000000000161000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2984-58-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2984-55-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB