Analysis

  • max time kernel
    92s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 13:12

General

  • Target

    a74698c4f42c2cca66ff854076a2f673729e1da2b444a1f8f0f13c303b9e3960.dll

  • Size

    211KB

  • MD5

    6faa1af8c7077fa41d49973f939144bc

  • SHA1

    61ab314d609249a6e109814a46d7c6f65a98d26d

  • SHA256

    a74698c4f42c2cca66ff854076a2f673729e1da2b444a1f8f0f13c303b9e3960

  • SHA512

    95f4196a6c16cb812194cbb862e0810f4ad687933b6acdded00f2290e23af30b93468da99aa86a1eaaad71f4d0fb3e5c9543f60ab0c809f6adfce1937efaaadb

  • SSDEEP

    3072:TnMoFkOKCg3CXmSSZlzgeBTg4vRPo5NNFs+XNtUU/chmcFTulOVq5pNOV8SAkb85:TMJOWK4l0wqOVq1W8St8CUHF

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a74698c4f42c2cca66ff854076a2f673729e1da2b444a1f8f0f13c303b9e3960.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a74698c4f42c2cca66ff854076a2f673729e1da2b444a1f8f0f13c303b9e3960.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3868
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:2284
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:4692
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3356
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3356 -s 192
                6⤵
                • Program crash
                PID:3012
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1096
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1096 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4720
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:5000
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5000 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3356 -ip 3356
      1⤵
        PID:4424

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        471B

        MD5

        36ed732b90a27bd5f4716645a456ad34

        SHA1

        93caaf2e2b76b96142e3a9865eb12aa6aab4296e

        SHA256

        a41bae0a57d70f030a24668e1e68cfec75c27ed94105d8ae895025edfef3132e

        SHA512

        460f8f4e5bc5f445c7f175699c80e86e2f4c1822a4e7c3ecb07de224db0c7428f74058fa3e164b3fde0777af2818da0e9e831b869e8bd7b1ffb3b4abc794fbd2

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        404B

        MD5

        975c5e210f016ab192d63e00edc5499f

        SHA1

        1e8961ea13c3c8ced91722b2371336a109dd9a6a

        SHA256

        8cb94c206a9240c884f7446630f8ea06d41d5ac34d8082be28939b8fbbf3db5a

        SHA512

        296f823f4181ae25a9248802ccc9affc064f63f0590c31b505f9dea44315e7868760e85982268fc2b74b2ab714402a02411c37c9f08094bfbd302cbf43a92249

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{5AF6E989-C066-11EF-BDBF-DA61A5E71E4E}.dat

        Filesize

        5KB

        MD5

        091840d441532c71680725137760368f

        SHA1

        aba7c1850878f78869da474be29e2d02190543bb

        SHA256

        d2b40a74b8717ed1100f94352e8ed19facaeec8299f62789f730cb17384de83f

        SHA512

        358c9e49e0678a9e5adf6682800adf0d03aa7a2f6add6da9fe1aede4f29f988692f2ff47f845beb963666dad1cdb0460083bf607bb5d2590adce74d97ab35e1f

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{5AF94D0B-C066-11EF-BDBF-DA61A5E71E4E}.dat

        Filesize

        5KB

        MD5

        db81eca02d4b61c02eb8391ec8dde476

        SHA1

        fbb44cf45327c2fff5ba7da05f5c680f40a692db

        SHA256

        a133029d3a162b38c8c4c3a503cbe5b13b5ffa92a2cfeab078d62b885833288b

        SHA512

        c1dae792e1527ecd0a32d81afa247933f44b9845de1f51dc9af3fcf4469c4dd9b90030fbb5c28fdd71f833092a73ae2ccc5ed150959aeb96ec00d0074d32ce4f

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver7450.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        59KB

        MD5

        0e0f0ae845d89c22bb6385f64a6b85fd

        SHA1

        0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

        SHA256

        5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

        SHA512

        baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

      • memory/2284-5-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/2284-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2284-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2284-11-0x0000000000A50000-0x0000000000A51000-memory.dmp

        Filesize

        4KB

      • memory/2284-21-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/2284-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2284-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2284-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2284-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2284-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3356-34-0x0000000000470000-0x0000000000471000-memory.dmp

        Filesize

        4KB

      • memory/3356-33-0x0000000000490000-0x0000000000491000-memory.dmp

        Filesize

        4KB

      • memory/3868-0-0x0000000010000000-0x0000000010039000-memory.dmp

        Filesize

        228KB

      • memory/4692-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4692-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4692-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4692-35-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4692-36-0x0000000077D52000-0x0000000077D53000-memory.dmp

        Filesize

        4KB

      • memory/4692-30-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4692-31-0x0000000077D52000-0x0000000077D53000-memory.dmp

        Filesize

        4KB