Analysis

  • max time kernel
    94s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 03:05

General

  • Target

    5ce23b2a954a3803aa90be4fec60be105e09d15fd24bfca1420db12d65f8e0e9.dll

  • Size

    276KB

  • MD5

    d713d347658a4744e01eb2f9e169ce1c

  • SHA1

    77777460a0b41f505de6cf8a3144b64df87ba01b

  • SHA256

    5ce23b2a954a3803aa90be4fec60be105e09d15fd24bfca1420db12d65f8e0e9

  • SHA512

    387d0ab83c48d45ab3bc9abf7f5b0d9dc5b7a04944d2d319bb4d2978630829cd369bda6349737ca67980856a0a76a2279892d67134a96e1acbb47b6e7e64b5a1

  • SSDEEP

    3072:FdcQ2ZNMSQvbajUTUItjT68+xQEVulys593oI8mmwXrPbh:VATSOjUQKculy8uI9fbPN

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 12 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 50 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\5ce23b2a954a3803aa90be4fec60be105e09d15fd24bfca1420db12d65f8e0e9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ce23b2a954a3803aa90be4fec60be105e09d15fd24bfca1420db12d65f8e0e9.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3844
      • 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:3736
        • 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:1280
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3032
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 208
                6⤵
                • Program crash
                PID:1384
            • 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:1592
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1592 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4596
            • 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:1144
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1144 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3032 -ip 3032
      1⤵
        PID:3056

      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

        ec237169ada59f1945749967a6d3d7f0

        SHA1

        e8fe32e8fa527409463d3fa0d63b6bdf709d7bd6

        SHA256

        b783f55456ca301f00aab79b6a0720bfb2450aefd094e6026231fab663152d70

        SHA512

        d5b5bff9f6afb36817c2c556e67c4ed7fc787a51bef623eb7150b596cc4cc88bee4b10b5eccae2c2ed0055653166f68bf75f2375ce4689666eb42330361de2d5

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

        Filesize

        404B

        MD5

        d66e3c3e623e8c2266ca54ff0dad8fde

        SHA1

        e732deb2085d133e13568f6bfe42ed5fa5ed8405

        SHA256

        0d519fcd89fc31fb40ff49d19967c5ee80a60d7917dc65236eaea23fc3c65c75

        SHA512

        d77f438dd6aef3e87537a5656125d2d89998549f7c8bb8a9e06f4a03ab9f50a59fffe750125b20384468c07ed2b19392377e7e1f40987de41b872db87712655c

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

        Filesize

        404B

        MD5

        aa7374113d39596647128f64353e268c

        SHA1

        67172380ddd02b556104406f5088ed84348a55b0

        SHA256

        c6351ef52eb6fc62847dec0ec97f83f368355ab5b4daaabc7310129de1480229

        SHA512

        dcc592cc34578e3a541471d49706850479748550996f73ddd44f76b64772e2be2a6666bfeb202af46eda851bce6e8f331769aac7e4aa941d2e526864ff2dda0a

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{D805CE26-BC23-11EF-ADF2-7E3D785E6C2E}.dat

        Filesize

        3KB

        MD5

        0b029df54db86d6998c0f537243241c1

        SHA1

        0b24f55c9e0716979e89f5a0a794e9803167bce0

        SHA256

        beb9c39739ad0714894a93d6a4e02ee8b0e6615a52519ddfb25aabccbdc773b2

        SHA512

        e50a6017b154c42c194320f75e0cff81531151f5dacab6b604df4fd767305941485b6d272a32eba8d11344ad5aa7f2ef793467ef10cc53e07a2ccf67c8c68f2a

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{D8083075-BC23-11EF-ADF2-7E3D785E6C2E}.dat

        Filesize

        5KB

        MD5

        d559828962e4a26d6581df78cf85cc28

        SHA1

        032145596466f8d0790125216b222291eb912730

        SHA256

        5b62539c3924e210826a968ad99a799363659cf53c6b63ce8b6501c59ad2864e

        SHA512

        ddae98774a8141c544d3ca312fd5b64301fab6edea2ea3ffbc7a6f1b915670aadce1bee810313a390eaaa44bf93331c41f0f29690d9c3b32fffb26faf2cf9d52

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver24F9.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        124KB

        MD5

        f384ea72b4e3b1342ae772e437a585e9

        SHA1

        e67abce1da81b4f719cf2297d676bb1d69db5224

        SHA256

        aeb89b034661d5bee4aeb61382abd56affce7f6410100f01cdf4c806a7638825

        SHA512

        109b294e44a62453745ec1fc1ae3ffb6cccfb48f909e84a18beb88eab90dc484954808f54c96f292b4c189f38ec02598c08fc7e76d1e537cb40b98f08b2fa536

      • memory/1280-32-0x0000000077252000-0x0000000077253000-memory.dmp

        Filesize

        4KB

      • memory/1280-42-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1280-21-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/1280-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1280-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1280-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1280-37-0x0000000077252000-0x0000000077253000-memory.dmp

        Filesize

        4KB

      • memory/1280-31-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/1280-38-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/1280-36-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/3032-35-0x0000000000B60000-0x0000000000B61000-memory.dmp

        Filesize

        4KB

      • memory/3032-34-0x0000000000B80000-0x0000000000B81000-memory.dmp

        Filesize

        4KB

      • memory/3736-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3736-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3736-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3736-11-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/3736-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3736-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3736-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3736-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3736-5-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/3844-0-0x0000000010000000-0x0000000010047000-memory.dmp

        Filesize

        284KB