Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/03/2024, 13:22

General

  • Target

    e1c448b6b98a231ca9a8529f82eb702d.exe

  • Size

    166KB

  • MD5

    e1c448b6b98a231ca9a8529f82eb702d

  • SHA1

    8d57de92ce60fbca562fef596006c7aa28885ed7

  • SHA256

    357ccf22db104e18215de1ee6e16817880594f488705b97f54d0b0599b2af29c

  • SHA512

    f13bb4ae08353308e47e330647ab7a2d1675ad1b07588dea7b8cba98777cdabf2c227f3c70d74793408a8d00993c265661f7f51705020aee65d5c4995858e3ee

  • SSDEEP

    3072:NdKFOoL16A4gVr9kYaQBqaFM2oVhyAn1+p:7KF/LAFgVrwwM2uf1W

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 11 IoCs

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

  • Drops file in System32 directory 2 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:596
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1992
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                      4⤵
                        PID:2328
                    • 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:828
                            • 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:868
                                • 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:1004
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k NetworkService
                                    3⤵
                                      PID:340
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:880
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1080
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1116
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:1288
                                            • C:\Windows\system32\sppsvc.exe
                                              C:\Windows\system32\sppsvc.exe
                                              3⤵
                                                PID:1700
                                            • 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:1200
                                                      • C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702d.exe
                                                        "C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702d.exe"
                                                        2⤵
                                                        • Loads dropped DLL
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:1760
                                                        • C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702dmgr.exe
                                                          C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702dmgr.exe
                                                          3⤵
                                                          • Executes dropped EXE
                                                          • Loads dropped DLL
                                                          • Suspicious use of UnmapMainImage
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:3016
                                                          • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                            "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                            4⤵
                                                            • Executes dropped EXE
                                                            • Suspicious behavior: EnumeratesProcesses
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            • Suspicious use of UnmapMainImage
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2572
                                                            • C:\Windows\SysWOW64\svchost.exe
                                                              C:\Windows\system32\svchost.exe
                                                              5⤵
                                                              • Modifies WinLogon for persistence
                                                              • Drops file in System32 directory
                                                              • Drops file in Program Files directory
                                                              PID:1984
                                                            • C:\Windows\SysWOW64\svchost.exe
                                                              C:\Windows\system32\svchost.exe
                                                              5⤵
                                                              • Suspicious behavior: EnumeratesProcesses
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2948

                                                    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

                                                            c79aec4be786dab2a610b7356b3a653c

                                                            SHA1

                                                            a142b6593ee5378f262f925f5ae84db017f46d8c

                                                            SHA256

                                                            7484c1d5e5d1fd4f0813b4dc203595eb99ddfeb2ecb9d42011b4bbd660e8c13c

                                                            SHA512

                                                            69af7c1f7a6c436b087ad935fa64d8a3b0289f645db79a4a75a1a89b787e2aab90071cd77a216ed40042719c6cd05dd5abb0541f761776928c4c170460f78342

                                                          • 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

                                                            5baa99518f6d231393555a0286e4617a

                                                            SHA1

                                                            44ff088f35936e5a964ab57cf8f8202c33826a1a

                                                            SHA256

                                                            b63f96e898b7d7b07fc65299247860a16eef9a95cb71177a7cf892164f3eac6f

                                                            SHA512

                                                            1fa59f7bc4b632ccebdb84101dfb7abaafd18e059f1a49fcd63e36b7342e67abe714786178daa382629c5edb5c33837dc33e67f0b61e0972a318a6afcf2cff3f

                                                          • C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702dmgr.exe

                                                            Filesize

                                                            96KB

                                                            MD5

                                                            8c51fd9d6daa7b6137634de19a49452c

                                                            SHA1

                                                            db2a11cca434bacad2bf42adeecae38e99cf64f8

                                                            SHA256

                                                            528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

                                                            SHA512

                                                            b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

                                                          • memory/1760-0-0x0000000000120000-0x000000000014C000-memory.dmp

                                                            Filesize

                                                            176KB

                                                          • memory/1760-8-0x0000000000120000-0x000000000014C000-memory.dmp

                                                            Filesize

                                                            176KB

                                                          • memory/1984-442-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/1984-45-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/1984-60-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/1984-56-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/1984-53-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/1984-65-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/1984-54-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/1984-52-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/1984-47-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2572-278-0x0000000000260000-0x0000000000261000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2572-42-0x0000000000220000-0x0000000000221000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2572-43-0x0000000077B8F000-0x0000000077B90000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2572-36-0x0000000000400000-0x0000000000435000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/2572-69-0x0000000000230000-0x0000000000231000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2572-445-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2572-276-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2572-280-0x0000000000230000-0x0000000000231000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2572-284-0x0000000077B90000-0x0000000077B91000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2572-290-0x0000000077B8F000-0x0000000077B90000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2948-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2948-87-0x0000000000230000-0x0000000000231000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2948-71-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2948-82-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2948-78-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2948-83-0x0000000000210000-0x0000000000211000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2948-84-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2948-86-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2948-85-0x0000000077B90000-0x0000000077B91000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/3016-33-0x0000000000050000-0x0000000000085000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/3016-30-0x0000000000050000-0x0000000000085000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/3016-22-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/3016-17-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/3016-18-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/3016-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/3016-10-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/3016-13-0x0000000000140000-0x0000000000141000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/3016-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/3016-11-0x0000000000400000-0x0000000000435000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/3016-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB