Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/03/2024, 20:27

General

  • Target

    c6c9aa2eaf6311e97a9f1459870e26bd.dll

  • Size

    166KB

  • MD5

    c6c9aa2eaf6311e97a9f1459870e26bd

  • SHA1

    19be3c799bb7fcf2bb14212603d3974e54cc22ea

  • SHA256

    7a11f2189eed727ce81578705804e9f20859eba1b8fc4345c18d9cb3b1b9b3b0

  • SHA512

    00c99e842238e926e60f0bababc4a1d65955f5bde2c0a7824ecb4fb4518878d9c16a1246640a8555d88319bafe5773c5ab0a080ce264f5a4456272c6673cdf52

  • SSDEEP

    3072:bTU56gVxj27Ne4L99ZgyXf9MWebpjMGlDCdr9:84L7vBsGd9

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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:260
    • 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:372
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:464
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:584
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1964
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                      4⤵
                        PID:1672
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:664
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                        3⤵
                          PID:752
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          3⤵
                            PID:792
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1324
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:832
                                • C:\Windows\system32\wbem\WMIADAP.EXE
                                  wmiadap.exe /F /T /R
                                  4⤵
                                    PID:1824
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:984
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k NetworkService
                                    3⤵
                                      PID:272
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:896
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:340
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1228
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:3056
                                            • C:\Windows\system32\sppsvc.exe
                                              C:\Windows\system32\sppsvc.exe
                                              3⤵
                                                PID:1504
                                            • C:\Windows\system32\lsass.exe
                                              C:\Windows\system32\lsass.exe
                                              2⤵
                                                PID:480
                                              • C:\Windows\system32\lsm.exe
                                                C:\Windows\system32\lsm.exe
                                                2⤵
                                                  PID:488
                                              • 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:384
                                                • C:\Windows\system32\winlogon.exe
                                                  winlogon.exe
                                                  1⤵
                                                    PID:420
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:1392
                                                      • C:\Windows\system32\regsvr32.exe
                                                        regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c6c9aa2eaf6311e97a9f1459870e26bd.dll
                                                        2⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2032
                                                        • C:\Windows\SysWOW64\regsvr32.exe
                                                          /s C:\Users\Admin\AppData\Local\Temp\c6c9aa2eaf6311e97a9f1459870e26bd.dll
                                                          3⤵
                                                          • Loads dropped DLL
                                                          • Drops file in System32 directory
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:1728
                                                          • C:\Windows\SysWOW64\regsvr32mgr.exe
                                                            C:\Windows\SysWOW64\regsvr32mgr.exe
                                                            4⤵
                                                            • Executes dropped EXE
                                                            • Loads dropped DLL
                                                            • Drops file in Program Files directory
                                                            • Suspicious use of UnmapMainImage
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:1716
                                                            • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                              "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                              5⤵
                                                              • Executes dropped EXE
                                                              • Suspicious behavior: EnumeratesProcesses
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              • Suspicious use of UnmapMainImage
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2956
                                                              • 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
                                                                PID:2600
                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                C:\Windows\system32\svchost.exe
                                                                6⤵
                                                                • Suspicious behavior: EnumeratesProcesses
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2392

                                                    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

                                                            206KB

                                                            MD5

                                                            895e5cc542a80596e390d5d679ab9d77

                                                            SHA1

                                                            7c6c538c254a850e02b5f5d3898cf30e4d2d000d

                                                            SHA256

                                                            258ca4b8c51ebb60f53d5c915b5a83811f95de6d0666941d03a940eee22dc5c3

                                                            SHA512

                                                            3d7695ac04a0c233b6f38765a1fecd5416b6f3cc0a8e6f39eb4d671f4fb3aff8f28ba9c7dff7c8aba140f079a221e065d5d6c8f3d263d3580542ad21f5c4c3af

                                                          • 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

                                                            202KB

                                                            MD5

                                                            5e55382ae6b5b07777c8cdca227827e3

                                                            SHA1

                                                            eac3ac3c0f997bcc00eebeffe33a3329be9f50b4

                                                            SHA256

                                                            88c55a4e722b79e6b22d087b576f2405cc20975b134e49457360ecc1683ac288

                                                            SHA512

                                                            577d6ec0435b7ba2fab4c46d9574c10acf6e8c7dda86d95d983c2147fdc3a4b830d2933a1f0fd942285b1f7a7e74c59b1b01f8bbc5b109a1df76f11f8cf3c150

                                                          • \Windows\SysWOW64\regsvr32mgr.exe

                                                            Filesize

                                                            96KB

                                                            MD5

                                                            8c51fd9d6daa7b6137634de19a49452c

                                                            SHA1

                                                            db2a11cca434bacad2bf42adeecae38e99cf64f8

                                                            SHA256

                                                            528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

                                                            SHA512

                                                            b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

                                                          • memory/1716-13-0x0000000000140000-0x0000000000141000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/1716-11-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1716-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1716-10-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1716-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1716-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1716-20-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1716-18-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1716-29-0x0000000000050000-0x0000000000085000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/1728-1-0x00000000748F0000-0x000000007491C000-memory.dmp

                                                            Filesize

                                                            176KB

                                                          • memory/1728-3-0x0000000000400000-0x0000000000435000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/2392-92-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2392-94-0x00000000776C0000-0x00000000776C1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2392-95-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2392-91-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2392-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2392-89-0x00000000001D0000-0x00000000001D1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2392-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2392-84-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2392-74-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2600-54-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2600-66-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2600-68-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2600-62-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2600-55-0x0000000000080000-0x0000000000081000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2600-57-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2600-56-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2600-461-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2600-47-0x0000000000080000-0x0000000000081000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2600-45-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2956-32-0x0000000000400000-0x0000000000435000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/2956-93-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2956-72-0x0000000000060000-0x0000000000061000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2956-43-0x00000000776BF000-0x00000000776C0000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2956-291-0x0000000000160000-0x0000000000161000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2956-292-0x0000000000060000-0x0000000000061000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2956-293-0x00000000776C0000-0x00000000776C1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2956-296-0x00000000776BF000-0x00000000776C0000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2956-41-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2956-464-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2956-42-0x0000000000050000-0x0000000000051000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2956-40-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB