Analysis

  • max time kernel
    120s
  • max time network
    85s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 10:20

General

  • Target

    2297bd6b5299e2e01d412bd483d23c95cf0c93e5244108ba5a302fe2e81d3eccN.dll

  • Size

    524KB

  • MD5

    d2620a42a01e1946c780daf62951ad20

  • SHA1

    cb4309152b51392405d1f2b1a8798f8f1bc142cf

  • SHA256

    2297bd6b5299e2e01d412bd483d23c95cf0c93e5244108ba5a302fe2e81d3ecc

  • SHA512

    a56235622d9e05d68d480b381d31669a2388eed7b040094551fd9e83f93a3ecc955c7e7997320758817069a7dde8d7cec103f821fe3ae5d89272016b09975571

  • 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\2297bd6b5299e2e01d412bd483d23c95cf0c93e5244108ba5a302fe2e81d3eccN.dll,#1
                                                        2⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2172
                                                        • C:\Windows\SysWOW64\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\2297bd6b5299e2e01d412bd483d23c95cf0c93e5244108ba5a302fe2e81d3eccN.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:2972
                                                          • 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 WriteProcessMemory
                                                            PID:2752
                                                            • 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:2664
                                                              • 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:2920
                                                              • 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:2640
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 232
                                                            4⤵
                                                            • Program crash
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            PID:2576

                                                    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

                                                      2fa7c17be55601aa74af465cfa99f17f

                                                      SHA1

                                                      290d9ee8183c881d4324de051e36609dc63063b9

                                                      SHA256

                                                      deb7929c8c5750e200bed5c2a7b8bc6b118a279f1cef998b8b9716b0b0ebb312

                                                      SHA512

                                                      646a208b182e428dbe5b87de75acff93c630822bdefc06ea3ab44d30b7acf2ac336e4f6ff6f962074f630f9fcd53125d5046e94aa48b13c5e8da12de14f499fe

                                                    • 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

                                                      64e8ad35e46f278c4e0cf7bd39911249

                                                      SHA1

                                                      a993a3d1183b5838c04753d9c51d88ae0912acd0

                                                      SHA256

                                                      ee3183ebbb6bb7fad2a1e66d08699e1e3b63231245e4215ba274de67a4487401

                                                      SHA512

                                                      92909c9fdf7ebee80acb8c29f20fc008f2744372be949baeb06f8e49b41d154f682287307fa69546a67724a2529621fce1ed5db1c065e2c69ef63857d7775a1e

                                                    • \Windows\SysWOW64\rundll32mgr.exe

                                                      Filesize

                                                      65KB

                                                      MD5

                                                      a9ea94ee4a3bb43d4057823b2072dc54

                                                      SHA1

                                                      94ade3c34ec08613daba8a1240586c24f8169794

                                                      SHA256

                                                      7edbb67a880d90e53ec7949c4907f4ccf5596899b98ed8651b01a485a7b06789

                                                      SHA512

                                                      0ae24a452c474a0b67eb17ceb78eabc46aad7f04a249d526cbd1bf25ccc94016133ee6cdd1cf342fa3c8dbff60372d18df56137a6c0303bbaee07f005f930ab5

                                                    • memory/2640-53-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2640-67-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2640-68-0x0000000000200000-0x0000000000201000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2640-69-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2640-71-0x0000000077B80000-0x0000000077B81000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2640-66-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2640-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2640-59-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2640-63-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2664-50-0x00000000003F0000-0x00000000003F1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2664-70-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2664-636-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2664-633-0x0000000077B7F000-0x0000000077B80000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2664-51-0x0000000077B7F000-0x0000000077B80000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2664-22-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2664-24-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2664-23-0x0000000000240000-0x0000000000241000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2664-64-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2752-11-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2920-39-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2920-26-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2920-28-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2920-33-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2920-32-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2920-41-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2920-38-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2920-378-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2920-46-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2920-34-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2972-381-0x0000000010000000-0x0000000010084000-memory.dmp

                                                      Filesize

                                                      528KB

                                                    • memory/2972-0-0x0000000010000000-0x0000000010084000-memory.dmp

                                                      Filesize

                                                      528KB

                                                    • memory/2972-1-0x0000000010000000-0x0000000010084000-memory.dmp

                                                      Filesize

                                                      528KB