Analysis

  • max time kernel
    120s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 10:45

General

  • Target

    2b240b93bbd97f60b0fdf3a233971fca5c4e9bd2aef37ff5110f216535d5623eN.dll

  • Size

    749KB

  • MD5

    a32f2bcfdf7ff4a206b428c4f209c040

  • SHA1

    3db18e92b74fdb87699cc10d829e06749a219598

  • SHA256

    2b240b93bbd97f60b0fdf3a233971fca5c4e9bd2aef37ff5110f216535d5623e

  • SHA512

    b7a9e006d35a238e935bb54c1c3b39af017bc48c80b0d558ec2d641781b8300ec835574626eedf22047ecdc70c32e2f828eea8ab6f46adcbe3917f36a75603ca

  • SSDEEP

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

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\smss.exe
    \SystemRoot\System32\smss.exe
    1⤵
      PID:256
    • C:\Windows\system32\csrss.exe
      %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
      1⤵
        PID: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:616
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:644
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:288
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:696
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                        3⤵
                          PID:780
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          3⤵
                            PID:836
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1144
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:864
                                • C:\Windows\system32\wbem\WMIADAP.EXE
                                  wmiadap.exe /F /T /R
                                  4⤵
                                    PID:2564
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:988
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k NetworkService
                                    3⤵
                                      PID:300
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:1064
                                      • C:\Windows\system32\taskhost.exe
                                        "taskhost.exe"
                                        3⤵
                                          PID:1076
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                          3⤵
                                            PID:1156
                                          • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                            "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                            3⤵
                                              PID:552
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                              3⤵
                                                PID:2100
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:2540
                                              • 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:1204
                                                        • C:\Windows\system32\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b240b93bbd97f60b0fdf3a233971fca5c4e9bd2aef37ff5110f216535d5623eN.dll,#1
                                                          2⤵
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2756
                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b240b93bbd97f60b0fdf3a233971fca5c4e9bd2aef37ff5110f216535d5623eN.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:2816
                                                            • 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:3004
                                                              • 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:2948
                                                                • 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:2680
                                                                • 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:2292
                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                              C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 224
                                                              4⤵
                                                              • Program crash
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:2956

                                                      Network

                                                      MITRE ATT&CK Enterprise v15

                                                      Replay Monitor

                                                      Loading Replay Monitor...

                                                      Downloads

                                                      • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\epl-v10.html

                                                        Filesize

                                                        341KB

                                                        MD5

                                                        adc338ce879af10bd7bc950153a7b4d4

                                                        SHA1

                                                        0230ed1509e5170a934ef255d07f3ba6c3a6982d

                                                        SHA256

                                                        67a382ee7cd694b64f5e45ff7f6a12732521064857d738cb3a10d8a8570450f2

                                                        SHA512

                                                        636d4d633aaf0992cc949a4ddb93c55cc9fdbcff84595599da3ab31d71caf462438cba0a9e48f690d479abb64172cfb152cf5c6e0ff5d3b3086fe621a50681bc

                                                      • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\license.html

                                                        Filesize

                                                        337KB

                                                        MD5

                                                        07df033ce471c5a1617fa9667fce23f8

                                                        SHA1

                                                        329f918b301f03986842784f0fc8850a27352713

                                                        SHA256

                                                        18df6c427e6e600a8fb7af908f1cc1b5c77a646818cc02dc4f4a99365e9dd8c2

                                                        SHA512

                                                        d2684e9f5cb03cd12dfc1f7a8eb95b806c1444003cc83059b860370fa2489b9f6b07232f88a192fce38b13f3b4e1193b0867802f16936d624ddc7a5d21396f09

                                                      • \Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        164KB

                                                        MD5

                                                        2a37762e1964cb393abf1b26b048e762

                                                        SHA1

                                                        6167b12b2d0e4db8bad3dd8ac6c7674f8eea2f1d

                                                        SHA256

                                                        385539e7b0dbbe1de66ca4888b07baab2bbce51b3e6c6edc1b2602628fa7d8e5

                                                        SHA512

                                                        57e2904f6231c879d99df7fdbc321c03c76bef310e0510b818d1fa3663d44d6e56742d1b746e96d42e9559c83d437bbc4eb7fe672567fd7e18ec513bfb8c53aa

                                                      • memory/2292-89-0x0000000000160000-0x0000000000161000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2292-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2292-91-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2292-93-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2292-95-0x0000000077B00000-0x0000000077B01000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2292-92-0x0000000000170000-0x0000000000171000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2292-84-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2292-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2292-74-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2680-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2680-55-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2680-69-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2680-66-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2680-61-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2680-56-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2680-54-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2680-46-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2680-405-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2816-9-0x0000000010000000-0x00000000100C1000-memory.dmp

                                                        Filesize

                                                        772KB

                                                      • memory/2816-7-0x0000000010000000-0x00000000100C1000-memory.dmp

                                                        Filesize

                                                        772KB

                                                      • memory/2816-408-0x0000000010000000-0x00000000100C1000-memory.dmp

                                                        Filesize

                                                        772KB

                                                      • memory/2816-15-0x00000000001F0000-0x000000000022A000-memory.dmp

                                                        Filesize

                                                        232KB

                                                      • memory/2948-72-0x0000000000060000-0x0000000000061000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2948-31-0x0000000000400000-0x000000000043A000-memory.dmp

                                                        Filesize

                                                        232KB

                                                      • memory/2948-42-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2948-41-0x0000000077AFF000-0x0000000077B00000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2948-661-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2948-40-0x00000000003F0000-0x00000000003F1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2948-83-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2948-43-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2948-94-0x0000000077AFF000-0x0000000077B00000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2948-39-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3004-18-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3004-17-0x0000000000140000-0x0000000000141000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3004-21-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3004-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3004-16-0x0000000000400000-0x000000000043A000-memory.dmp

                                                        Filesize

                                                        232KB

                                                      • memory/3004-11-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3004-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3004-10-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/3004-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB