Analysis

  • max time kernel
    120s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 21:11

General

  • Target

    89eba99bd3642c09ee9489d3c66c00ce06683c08d70280d75a056deb0ffb4646.dll

  • Size

    524KB

  • MD5

    009061e7e9f67123829b843bd9986938

  • SHA1

    46b6f2b0658a2c781d85b9c81f88713ed750c761

  • SHA256

    89eba99bd3642c09ee9489d3c66c00ce06683c08d70280d75a056deb0ffb4646

  • SHA512

    1dc589a8acf20f43532ac48693debd7d8ea999197e75c842446ad20356b9e2cbea12367c326602122acb308d84934d7c6d402a50607292e44b3c2f3c5cd0b481

  • SSDEEP

    12288:2hpUrEIZJqr1AkBWwNa5R0EYl795/amaX3QXaPKUjtBE:2/jG01NHXaPVBE

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 6 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 WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\smss.exe
    \SystemRoot\System32\smss.exe
    1⤵
      PID:256
    • C:\Windows\system32\csrss.exe
      %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
      1⤵
        PID:332
      • C:\Windows\system32\wininit.exe
        wininit.exe
        1⤵
          PID: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:1384
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:1496
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:680
                      • 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:808
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1168
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:848
                              • 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:236
                                  • C:\Windows\System32\spoolsv.exe
                                    C:\Windows\System32\spoolsv.exe
                                    3⤵
                                      PID:272
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                      3⤵
                                        PID:1028
                                      • C:\Windows\system32\taskhost.exe
                                        "taskhost.exe"
                                        3⤵
                                          PID:1108
                                        • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                          "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                          3⤵
                                            PID:1052
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:496
                                            • C:\Windows\system32\sppsvc.exe
                                              C:\Windows\system32\sppsvc.exe
                                              3⤵
                                                PID:1976
                                            • 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:1204
                                                      • C:\Windows\system32\rundll32.exe
                                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\89eba99bd3642c09ee9489d3c66c00ce06683c08d70280d75a056deb0ffb4646.dll,#1
                                                        2⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2144
                                                        • C:\Windows\SysWOW64\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\89eba99bd3642c09ee9489d3c66c00ce06683c08d70280d75a056deb0ffb4646.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:2180
                                                          • C:\Windows\SysWOW64\rundll32mgr.exe
                                                            C:\Windows\SysWOW64\rundll32mgr.exe
                                                            4⤵
                                                            • Executes dropped EXE
                                                            • Loads dropped DLL
                                                            • Drops file in Program Files directory
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2668
                                                            • 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:2692
                                                              • 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:2760
                                                              • 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:1772
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 232
                                                            4⤵
                                                            • Program crash
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            PID:2748

                                                    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

                                                      144KB

                                                      MD5

                                                      344aff1e10b0abf66ee1f0b363152494

                                                      SHA1

                                                      895a3ea13042628aab5474bd4afe82304942c6bd

                                                      SHA256

                                                      9081fb8cfeb9238b946669543bbb08c4ae760b53e01b60da012ae5726cfac0ba

                                                      SHA512

                                                      fe499f4d4a5cd4bc0ca6cae916c3df37a96cedfa46c7597228467d01c47767b28d33d6c0939d46f989e41c4a23c5947b3823d4e45978a5420369106259eac70d

                                                    • 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

                                                      140KB

                                                      MD5

                                                      a8a61c0fa5d4c82bf957f5242630bd78

                                                      SHA1

                                                      0274c5ce3559d98012d61de7f95ab7cd5ca5a071

                                                      SHA256

                                                      8c11ab9d21713c1022f9e3a7b6bf1b9c27abb9caa832485789e784cea4adb347

                                                      SHA512

                                                      77be39c76838f2610d93140b873c19bb7facd8844b1adb0bd384e10933ba7260aceaa08e30c62da56d5d5dba273c607cd815de428dbf30c5c8598a0134f929da

                                                    • \Windows\SysWOW64\rundll32mgr.exe

                                                      Filesize

                                                      65KB

                                                      MD5

                                                      a9ea94ee4a3bb43d4057823b2072dc54

                                                      SHA1

                                                      94ade3c34ec08613daba8a1240586c24f8169794

                                                      SHA256

                                                      7edbb67a880d90e53ec7949c4907f4ccf5596899b98ed8651b01a485a7b06789

                                                      SHA512

                                                      0ae24a452c474a0b67eb17ceb78eabc46aad7f04a249d526cbd1bf25ccc94016133ee6cdd1cf342fa3c8dbff60372d18df56137a6c0303bbaee07f005f930ab5

                                                    • memory/1772-68-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1772-69-0x0000000000140000-0x0000000000141000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1772-54-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1772-65-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1772-70-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1772-281-0x0000000077B80000-0x0000000077B81000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1772-61-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1772-66-0x0000000000130000-0x0000000000131000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1772-67-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2180-0-0x0000000010000000-0x0000000010084000-memory.dmp

                                                      Filesize

                                                      528KB

                                                    • memory/2180-382-0x0000000010000000-0x0000000010084000-memory.dmp

                                                      Filesize

                                                      528KB

                                                    • memory/2180-2-0x0000000010000000-0x0000000010084000-memory.dmp

                                                      Filesize

                                                      528KB

                                                    • memory/2180-1-0x0000000010000000-0x0000000010084000-memory.dmp

                                                      Filesize

                                                      528KB

                                                    • memory/2668-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2692-51-0x00000000002B0000-0x00000000002B1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2692-60-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2692-52-0x0000000077B7F000-0x0000000077B80000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2692-23-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2692-24-0x00000000002A0000-0x00000000002A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2692-637-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2692-633-0x0000000077B7F000-0x0000000077B80000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2692-25-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2692-264-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2760-47-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2760-27-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2760-34-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2760-29-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2760-33-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2760-379-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2760-35-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2760-48-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2760-39-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2760-42-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2760-40-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB