Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    15/03/2024, 06:07

General

  • Target

    caabfa7e68320180684ae01e8876b16a.exe

  • Size

    166KB

  • MD5

    caabfa7e68320180684ae01e8876b16a

  • SHA1

    0e76f3e0bb9e810bb182d5f290d409eeb85f193e

  • SHA256

    cb5ddafe26c70a36393e4ab00856139339372b3e39d0040404b2029872e1bbb5

  • SHA512

    cd8dd63b13ad9de79f4e1dd81806eaeef47c3faca0e6148f4fe4a41f5e501d94d504bc7a1b52fd1c458dc3f84ea3db2bd4c12a3bca27469251849e6618f9313a

  • SSDEEP

    3072:SdKFOoL16AKjtBhepmb/uDkSygOW7ApA5Br:eKF/LAvjde6/uQSwQAO5Br

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 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:336
      • 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:608
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1692
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                      4⤵
                        PID:1816
                    • 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:764
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          3⤵
                            PID:832
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1180
                            • 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:2340
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:980
                                  • 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:1032
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1084
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1112
                                          • 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:2092
                                            • 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:400
                                                • C:\Windows\system32\winlogon.exe
                                                  winlogon.exe
                                                  1⤵
                                                    PID:436
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:1208
                                                      • C:\Users\Admin\AppData\Local\Temp\caabfa7e68320180684ae01e8876b16a.exe
                                                        "C:\Users\Admin\AppData\Local\Temp\caabfa7e68320180684ae01e8876b16a.exe"
                                                        2⤵
                                                        • Loads dropped DLL
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:1304
                                                        • C:\Users\Admin\AppData\Local\Temp\caabfa7e68320180684ae01e8876b16amgr.exe
                                                          C:\Users\Admin\AppData\Local\Temp\caabfa7e68320180684ae01e8876b16amgr.exe
                                                          3⤵
                                                          • Executes dropped EXE
                                                          • Loads dropped DLL
                                                          • Suspicious use of UnmapMainImage
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2220
                                                          • 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:548
                                                            • 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:2664
                                                            • C:\Windows\SysWOW64\svchost.exe
                                                              C:\Windows\system32\svchost.exe
                                                              5⤵
                                                              • Suspicious behavior: EnumeratesProcesses
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2676

                                                    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

                                                            8778f6da9b2b4de726f1c6043d8dd891

                                                            SHA1

                                                            0699591a4610aa76f5b1914d51a098e7d6eaf8c6

                                                            SHA256

                                                            c46289596653973f22e27a8fa069435b282a59a0d9087082f1a424a235707740

                                                            SHA512

                                                            83a2a4f9d82706797dca7118f4f49e71ccb7f6ce1db9be5fb3177910d77828e02c791e266c2c0eaf52827051e1e0db339234934f06c35569e5c8fe2a2c01bac9

                                                          • 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

                                                            4de86d81e9a51819c233c97b870e9064

                                                            SHA1

                                                            88861f85e74a5d6421e202604fa3e44a04a10997

                                                            SHA256

                                                            b2c3fde4fdfd62d76029e421c1b06e8cbdb3855b22c65a95166804573044b20c

                                                            SHA512

                                                            50bb7528ea1386c6598900f313f0bb40befcf8027d24399362d0dac929c179d3559c426baa7f744e7ea2e6cf45406fcef428f4e5f3f06e83c742b27ecafd7cf5

                                                          • C:\Users\Admin\AppData\Local\Temp\caabfa7e68320180684ae01e8876b16amgr.exe

                                                            Filesize

                                                            96KB

                                                            MD5

                                                            8c51fd9d6daa7b6137634de19a49452c

                                                            SHA1

                                                            db2a11cca434bacad2bf42adeecae38e99cf64f8

                                                            SHA256

                                                            528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

                                                            SHA512

                                                            b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

                                                          • memory/548-420-0x00000000779B0000-0x0000000077B30000-memory.dmp

                                                            Filesize

                                                            1.5MB

                                                          • memory/548-268-0x00000000779B0000-0x0000000077B30000-memory.dmp

                                                            Filesize

                                                            1.5MB

                                                          • memory/548-271-0x00000000779D0000-0x00000000779D1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/548-81-0x00000000779CF000-0x00000000779D0000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/548-41-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/548-42-0x00000000779CF000-0x00000000779D0000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/548-276-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/548-419-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/548-32-0x0000000000400000-0x0000000000435000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/548-70-0x00000000001C0000-0x00000000001C1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/548-269-0x00000000001C0000-0x00000000001C1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/548-40-0x00000000001B0000-0x00000000001B1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/1304-0-0x0000000000BA0000-0x0000000000BCC000-memory.dmp

                                                            Filesize

                                                            176KB

                                                          • memory/1304-8-0x0000000000BA0000-0x0000000000BCC000-memory.dmp

                                                            Filesize

                                                            176KB

                                                          • memory/2220-10-0x0000000000400000-0x0000000000435000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/2220-28-0x0000000000050000-0x0000000000085000-memory.dmp

                                                            Filesize

                                                            212KB

                                                          • memory/2220-29-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2220-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2220-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2220-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2220-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2220-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2220-13-0x0000000000140000-0x0000000000141000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2220-11-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2664-61-0x0000000000080000-0x0000000000081000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2664-66-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2664-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2664-46-0x0000000000080000-0x0000000000081000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2664-53-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2664-59-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2664-416-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2664-58-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2664-63-0x0000000000090000-0x0000000000091000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2676-91-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2676-72-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2676-93-0x00000000779D0000-0x00000000779D1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2676-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2676-89-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2676-82-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2676-90-0x0000000000180000-0x0000000000181000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2676-87-0x0000000000130000-0x0000000000131000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2676-86-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB