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Analysis

  • max time kernel
    120s
  • max time network
    89s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2024, 16:08

General

  • Target

    7b97b9673170dce184556a790a8bf4d0ae847fa757f3564edd0540a187c31621.dll

  • Size

    380KB

  • MD5

    2e105a3d4ac1f34442ac38c4aed63aa5

  • SHA1

    5b6d9102642d2971e74850c79f1aece482d112e0

  • SHA256

    7b97b9673170dce184556a790a8bf4d0ae847fa757f3564edd0540a187c31621

  • SHA512

    966af334e95e70e610ffca72d4b651fc2da78716aa502f793482b3ab75fd47a37918fdfd1ef64b73213fae00daf1112f96e4ec8e74a1e87ad812b8a443816685

  • SSDEEP

    6144:/4y8gOl2lWXFYTVNtfU3bnKWWJZfEJ8xln5+H:gy8gyQNe2J6Js58

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 6 IoCs
  • Loads dropped DLL 12 IoCs
  • Drops file in System32 directory 4 IoCs
  • UPX packed file 15 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 13 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 47 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of UnmapMainImage 6 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:380
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:480
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:612
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:2040
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:112
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                        4⤵
                          PID:2716
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k RPCSS
                        3⤵
                          PID:688
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                          3⤵
                            PID:768
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            3⤵
                              PID:816
                              • C:\Windows\system32\Dwm.exe
                                "C:\Windows\system32\Dwm.exe"
                                4⤵
                                  PID:1072
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs
                                3⤵
                                  PID:860
                                  • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                    wmiadap.exe /F /T /R
                                    4⤵
                                      PID:1960
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalService
                                    3⤵
                                      PID:968
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k NetworkService
                                      3⤵
                                        PID:272
                                      • C:\Windows\system32\taskhost.exe
                                        "taskhost.exe"
                                        3⤵
                                          PID:1084
                                        • C:\Windows\System32\spoolsv.exe
                                          C:\Windows\System32\spoolsv.exe
                                          3⤵
                                            PID:1092
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                            3⤵
                                              PID:1172
                                            • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                              "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                              3⤵
                                                PID:1516
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                                3⤵
                                                  PID:2052
                                                • C:\Windows\system32\sppsvc.exe
                                                  C:\Windows\system32\sppsvc.exe
                                                  3⤵
                                                    PID:2188
                                                • C:\Windows\system32\lsass.exe
                                                  C:\Windows\system32\lsass.exe
                                                  2⤵
                                                    PID:488
                                                  • C:\Windows\system32\lsm.exe
                                                    C:\Windows\system32\lsm.exe
                                                    2⤵
                                                      PID:496
                                                  • 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:1144
                                                          • C:\Windows\system32\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b97b9673170dce184556a790a8bf4d0ae847fa757f3564edd0540a187c31621.dll,#1
                                                            2⤵
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2128
                                                            • C:\Windows\SysWOW64\rundll32.exe
                                                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b97b9673170dce184556a790a8bf4d0ae847fa757f3564edd0540a187c31621.dll,#1
                                                              3⤵
                                                              • Loads dropped DLL
                                                              • Drops file in System32 directory
                                                              • System Location Discovery: System Language Discovery
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2336
                                                              • C:\Windows\SysWOW64\rundll32mgr.exe
                                                                C:\Windows\SysWOW64\rundll32mgr.exe
                                                                4⤵
                                                                • Executes dropped EXE
                                                                • Loads dropped DLL
                                                                • Drops file in System32 directory
                                                                • System Location Discovery: System Language Discovery
                                                                • Suspicious use of UnmapMainImage
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:1964
                                                                • C:\Windows\SysWOW64\rundll32mgrmgr.exe
                                                                  C:\Windows\SysWOW64\rundll32mgrmgr.exe
                                                                  5⤵
                                                                  • Executes dropped EXE
                                                                  • Loads dropped DLL
                                                                  • System Location Discovery: System Language Discovery
                                                                  • Suspicious use of UnmapMainImage
                                                                  • Suspicious use of WriteProcessMemory
                                                                  PID:2372
                                                                  • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                                    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                                    6⤵
                                                                    • Executes dropped EXE
                                                                    • Loads dropped DLL
                                                                    • System Location Discovery: System Language Discovery
                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                    • Suspicious use of UnmapMainImage
                                                                    • Suspicious use of WriteProcessMemory
                                                                    PID:2308
                                                                    • C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe
                                                                      "C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe"
                                                                      7⤵
                                                                      • Executes dropped EXE
                                                                      • Loads dropped DLL
                                                                      • System Location Discovery: System Language Discovery
                                                                      • Suspicious use of UnmapMainImage
                                                                      • Suspicious use of WriteProcessMemory
                                                                      PID:2980
                                                                      • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                                        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                                        8⤵
                                                                        • 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:2720
                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                          C:\Windows\system32\svchost.exe
                                                                          9⤵
                                                                          • System Location Discovery: System Language Discovery
                                                                          • Suspicious use of AdjustPrivilegeToken
                                                                          PID:596
                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                          C:\Windows\system32\svchost.exe
                                                                          9⤵
                                                                          • System Location Discovery: System Language Discovery
                                                                          • Suspicious use of AdjustPrivilegeToken
                                                                          PID:2236
                                                                    • C:\Windows\SysWOW64\svchost.exe
                                                                      C:\Windows\system32\svchost.exe
                                                                      7⤵
                                                                      • System Location Discovery: System Language Discovery
                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                      PID:2640
                                                                    • C:\Windows\SysWOW64\svchost.exe
                                                                      C:\Windows\system32\svchost.exe
                                                                      7⤵
                                                                      • System Location Discovery: System Language Discovery
                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                      PID:1376
                                                                • 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:3016
                                                                  • 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:2068
                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                    C:\Windows\system32\svchost.exe
                                                                    6⤵
                                                                    • System Location Discovery: System Language Discovery
                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                    PID:2232

                                                        Network

                                                        MITRE ATT&CK Enterprise v15

                                                        Replay Monitor

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                                                        Downloads

                                                        • C:\Program Files (x86)\Microsoft\WaterMark.exe

                                                          Filesize

                                                          288KB

                                                          MD5

                                                          cfe059b10b1bc8f06bb9c6138d483841

                                                          SHA1

                                                          249c77b3fd7e8ccf8e28265d26b398afa2c35da8

                                                          SHA256

                                                          8b8112544efbab0d457590a04fe11069073d29f7b912e7c163cb7ab4c215570f

                                                          SHA512

                                                          f7fc030eb5650cee2ecdd23e4874b51ce76aebda0d639f7ac7d0c4554f51c81998b935b68a57802c154b6a7d76966ec0c6b59e40654e4ac237f7dc6da88d1d46

                                                        • 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

                                                          591KB

                                                          MD5

                                                          59f6c85ceddb03722f4c1f47513eff5d

                                                          SHA1

                                                          e90316a092fbd7b0e1017e744ac445268e81c33b

                                                          SHA256

                                                          a33bb6c5d07b9e7af3b7582c719da9815c9899cd0a7ccbf1c789b43b80cf11c9

                                                          SHA512

                                                          cf0d1bfa5587ebee838b9385925d60a124bfc64460e6d0644fdc494dfef2a07e21e1eab7e44e57a8033789ebd04048f109365bab92593d93514c178e241784f4

                                                        • 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

                                                          587KB

                                                          MD5

                                                          a8eeb1f96c47a99985c745959dc36951

                                                          SHA1

                                                          752401a6dfb2b7cdeee7601766b1bfcf9b71ab6f

                                                          SHA256

                                                          a07d4a741ee8dbaedd995ff7a367ee523c24ef18c5a5fd8205fc1bea4ec32c4b

                                                          SHA512

                                                          640c1c074f9f4171bb0f35599ee4ea1f260235cb57ad6e0e7815d0d111305cad0216aa3d5d2f740a0788e3ca2c9e8b536605a8f4b53c6d36fc9209fd7b520309

                                                        • \Windows\SysWOW64\rundll32mgrmgr.exe

                                                          Filesize

                                                          143KB

                                                          MD5

                                                          963056968f712dce49fed780756eafa3

                                                          SHA1

                                                          1f833526e877d34bda4b7aad52be1b52f25c9bf2

                                                          SHA256

                                                          be71c16ee9e9ea295cf6f266ddf343c4589843e4288a09f60f9e15923d8f8313

                                                          SHA512

                                                          8ff2bd3c17e6a8730940dcc45faa600c5429a1e5e812821350d8c6448ddcc1526f5246608b5a56592276b15a821a78440adf05652c7dfb2b0016707dce9c958e

                                                        • memory/1964-34-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/1964-20-0x00000000001A0000-0x00000000001CF000-memory.dmp

                                                          Filesize

                                                          188KB

                                                        • memory/1964-11-0x0000000000400000-0x0000000000454000-memory.dmp

                                                          Filesize

                                                          336KB

                                                        • memory/1964-36-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/1964-19-0x00000000001A0000-0x00000000001CF000-memory.dmp

                                                          Filesize

                                                          188KB

                                                        • memory/1964-33-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2068-105-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2068-107-0x0000000000100000-0x0000000000101000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2068-141-0x0000000000110000-0x0000000000111000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2068-136-0x0000000000100000-0x0000000000101000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2068-135-0x0000000000120000-0x0000000000121000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2308-98-0x00000000001A0000-0x00000000001A1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2308-69-0x0000000000120000-0x000000000014F000-memory.dmp

                                                          Filesize

                                                          188KB

                                                        • memory/2308-68-0x0000000000120000-0x000000000014F000-memory.dmp

                                                          Filesize

                                                          188KB

                                                        • memory/2308-146-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2308-99-0x000000007749F000-0x00000000774A0000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2308-97-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2308-56-0x0000000000400000-0x0000000000454000-memory.dmp

                                                          Filesize

                                                          336KB

                                                        • memory/2336-9-0x00000000001A0000-0x00000000001F4000-memory.dmp

                                                          Filesize

                                                          336KB

                                                        • memory/2336-1-0x0000000010000000-0x0000000010060000-memory.dmp

                                                          Filesize

                                                          384KB

                                                        • memory/2336-2-0x0000000010000000-0x0000000010060000-memory.dmp

                                                          Filesize

                                                          384KB

                                                        • memory/2372-23-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2372-41-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2372-51-0x0000000000700000-0x0000000000754000-memory.dmp

                                                          Filesize

                                                          336KB

                                                        • memory/2372-31-0x0000000000140000-0x0000000000141000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2372-22-0x0000000000400000-0x000000000042F000-memory.dmp

                                                          Filesize

                                                          188KB

                                                        • memory/2372-26-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2372-25-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2372-24-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2720-159-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2720-867-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2720-103-0x0000000000220000-0x0000000000221000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2980-86-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/3016-100-0x0000000000050000-0x0000000000051000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/3016-868-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/3016-76-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB