Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    13/03/2024, 22:51

General

  • Target

    c70ccce5772a16cd6c67d8cc38ecac13.dll

  • Size

    166KB

  • MD5

    c70ccce5772a16cd6c67d8cc38ecac13

  • SHA1

    a2eff9f7d5b93be0b3a3e99ad7a4dd8ef44eb90d

  • SHA256

    c89bb54bffce663a6a4c523da0d5d2eb8a470f969a5b9bb68f737bdf75713a2c

  • SHA512

    49217e51f03a461222413267065c3388398ed7535e1d8df9fe6fcaa43eb6d3a13d1decafb2147c689bec07b342df295d2b384f6592ee9dc5aec532ae6d623293

  • SSDEEP

    1536:d5lTUKCYmCgV5bT/2d1QYemMK6TNXkZXdrBVPjlVRuwz24+5:tTU56gVxj27NemMK6BXEtrB9jlP5Y5

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 37 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:340
      • C:\Windows\system32\wininit.exe
        wininit.exe
        1⤵
          PID:388
          • 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:596
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1860
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                      4⤵
                        PID:1644
                    • 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:756
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          3⤵
                            PID:824
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1172
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:872
                                • C:\Windows\system32\wbem\WMIADAP.EXE
                                  wmiadap.exe /F /T /R
                                  4⤵
                                    PID:320
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:976
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k NetworkService
                                    3⤵
                                      PID:276
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:1056
                                      • C:\Windows\system32\taskhost.exe
                                        "taskhost.exe"
                                        3⤵
                                          PID:1084
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                          3⤵
                                            PID:1144
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:2128
                                            • C:\Windows\system32\sppsvc.exe
                                              C:\Windows\system32\sppsvc.exe
                                              3⤵
                                                PID:2764
                                            • C:\Windows\system32\lsass.exe
                                              C:\Windows\system32\lsass.exe
                                              2⤵
                                                PID:496
                                              • C:\Windows\system32\lsm.exe
                                                C:\Windows\system32\lsm.exe
                                                2⤵
                                                  PID:504
                                              • 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:436
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:1204
                                                      • C:\Windows\system32\regsvr32.exe
                                                        regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c70ccce5772a16cd6c67d8cc38ecac13.dll
                                                        2⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2312
                                                        • C:\Windows\SysWOW64\regsvr32.exe
                                                          /s C:\Users\Admin\AppData\Local\Temp\c70ccce5772a16cd6c67d8cc38ecac13.dll
                                                          3⤵
                                                          • Loads dropped DLL
                                                          • Drops file in System32 directory
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2328
                                                          • 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:2752
                                                            • 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:2652
                                                              • 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:2700
                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                C:\Windows\system32\svchost.exe
                                                                6⤵
                                                                • Suspicious behavior: EnumeratesProcesses
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2296

                                                    Network

                                                          MITRE ATT&CK Enterprise v15

                                                          Replay Monitor

                                                          Loading Replay Monitor...

                                                          Downloads

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

                                                            Filesize

                                                            206KB

                                                            MD5

                                                            e87419051979541738fee01a9b8ee1c4

                                                            SHA1

                                                            c4e70daf6e3e54fcb30d4fd64b10ef7271039135

                                                            SHA256

                                                            d695088a6c0c5905da23003d7c90569ca38d51592bacf86b34bd6027dac8d535

                                                            SHA512

                                                            2c15393036f1aca29551ffc0ef1150d275df705eb621b81ca5b9c9db086c0f923e65453e144aa5c2563eeabb559a40d6d678725775ae62afb574ac2c5b566b94

                                                          • 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

                                                            3edd2e4f5cedff02f8d5c12cce5bdfe6

                                                            SHA1

                                                            3206889fa0da567aaa28781997b673a1893ff6c0

                                                            SHA256

                                                            87ebcad7d05b83e3e6ccc506113a9d3384627c4eb860292d03e93dcf486cf2ab

                                                            SHA512

                                                            dcb775915d390e74836df2149d49cc85bad5f8f6336dac785ab674dbae6b7ed4a87bffdf2377effaebbc86f09e9d0dbaae1319291db60c2600e7d4bc8e17b53d

                                                          • \Windows\SysWOW64\regsvr32mgr.exe

                                                            Filesize

                                                            96KB

                                                            MD5

                                                            8c51fd9d6daa7b6137634de19a49452c

                                                            SHA1

                                                            db2a11cca434bacad2bf42adeecae38e99cf64f8

                                                            SHA256

                                                            528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

                                                            SHA512

                                                            b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

                                                          • memory/2296-78-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2296-70-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2296-89-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2296-82-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2296-83-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2296-84-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2296-86-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2296-85-0x00000000777A0000-0x00000000777A1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2296-87-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2328-2-0x00000000749E0000-0x0000000074A0C000-memory.dmp

                                                            Filesize

                                                            176KB

                                                          • memory/2328-3-0x0000000000400000-0x0000000000435000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/2652-439-0x000000007779F000-0x00000000777A0000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2652-41-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2652-38-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2652-37-0x0000000000430000-0x0000000000431000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2652-39-0x000000007779F000-0x00000000777A0000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2652-30-0x0000000000400000-0x0000000000435000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/2652-273-0x0000000000430000-0x0000000000431000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2652-274-0x0000000000060000-0x0000000000061000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2652-275-0x00000000777A0000-0x00000000777A1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2652-438-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2652-68-0x0000000000060000-0x0000000000061000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2652-442-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2700-59-0x0000000000090000-0x0000000000091000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2700-64-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2700-51-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2700-57-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2700-58-0x0000000000080000-0x0000000000081000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2700-55-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2700-42-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2700-44-0x0000000000080000-0x0000000000081000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2700-592-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2752-17-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2752-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2752-16-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2752-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2752-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2752-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

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

                                                            Filesize

                                                            132KB

                                                          • memory/2752-10-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB