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Analysis

  • max time kernel
    95s
  • 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
    22/12/2024, 02:33

General

  • Target

    90a4863f512db849123fec82349360150733176aa4553f21fe7e7203bc4e9958.dll

  • Size

    348KB

  • MD5

    7b6552dc6b72933be77d16a2b283a370

  • SHA1

    d806bf125245d9559bc607271293de0d09ad816a

  • SHA256

    90a4863f512db849123fec82349360150733176aa4553f21fe7e7203bc4e9958

  • SHA512

    62f2e0210fea77fbd2a95e4a95f1bcbb3b150eff00caf237efe1e59173b123ed9e948d8d127396f31fd32e134918ab77de42c7d53b6adc99fe680b332140ff54

  • SSDEEP

    3072:e2UxPvVKNiNz1a2JRC+Tq/KcULyqI4C0qI4hsr1hBb4hRxf:FGvQ4Nx9RHTVNLybAqIcmT8f

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 11 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\90a4863f512db849123fec82349360150733176aa4553f21fe7e7203bc4e9958.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\90a4863f512db849123fec82349360150733176aa4553f21fe7e7203bc4e9958.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1180
      • 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:4352
        • 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:3084
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3904
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 204
                6⤵
                • Program crash
                PID:3048
            • 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:3520
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3520 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4344
            • 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:1844
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1844 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3904 -ip 3904
      1⤵
        PID:3824

      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

        4eaf9b3a48166fb8e172b3a7f24579ff

        SHA1

        0f45af7ebcfc4e2a6fb9c6eded199411ef8de0ae

        SHA256

        6df30e165ee411a067f02df7637526554b5f4d69dc970f0d67d2ad5b78974d1b

        SHA512

        883f4c7db6a115cbe2c2618d882bb3731b60c5c8012f851beb73985703244e17b9e401c987fcfcd5fbc1f8c187a106ccc438004cdc2f0d0e0d745f9db0d2d338

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

        Filesize

        404B

        MD5

        bbf73cf8daa3fb8f1b4e9e5c4d2398e9

        SHA1

        0e4df4a11f7c06046311b57d0dbd3008a9d1b441

        SHA256

        dc34fc76f42eacd824c7aa5e5e61dc7b162243dc1ea72b772c516d67ab09364d

        SHA512

        eb3197e2174ec5e96d6ecf350e517e266b4e8e66ad7a0786c24f0afef77524cc579776d6f17ab1a5dbba935ee071b2494c292fe8daf4a0ba319cbc41fa38f9bd

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

        Filesize

        404B

        MD5

        56b112a6794c00650a9f14ef2183f107

        SHA1

        e56d1c44b04e832ec20e72d3998584ed127b3d9f

        SHA256

        11ca7c24e6901ab8675d185d353213c4e4f341db7540a32396948961d2d510a4

        SHA512

        570fd392eceadf1b24cb6ad09041892235bb591fe619fff0834f8e77efbda762fbea8e655dbdebdd1307707d753cab9667f24bcf3087df85c8e7a8fcfdf842e1

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{137E0876-C00D-11EF-AEE2-622000771059}.dat

        Filesize

        3KB

        MD5

        c2112dad6d7a093da2b0f5cf0172e890

        SHA1

        d2547d1f20b6ab6f3f63b35b69e64477004a9a57

        SHA256

        c87f7ef3cbcb4fe61118d9965d7f84b83b886df28f05ce0ebd7ad85b8459faae

        SHA512

        536b34183ead683c5f33090da882bdbd7be8df98227436e1579e9219f7371f1e91cdb0050bdb9597d9a903606446ba1baf34eaaa3016c1e67a5f434115cd348a

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{13806CA4-C00D-11EF-AEE2-622000771059}.dat

        Filesize

        5KB

        MD5

        b2bf93837955ef13983533585dbbacc2

        SHA1

        4c7115c37ef7d596ae2b05f554bb449540e94b92

        SHA256

        fddf52d249727a997f7903c8a310f749e39b88c8ee67b3f93be2d32d863a7739

        SHA512

        8057a5c4ed8e98525460b12da35b092e21cb768cc19d72b5a4f42a73e3807394dcc7b6697a8ddc649a2ed905e9e4e97a6d03be76a92d0a2d5b754a7f316fee08

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver316B.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        247KB

        MD5

        bb0ce6d96fef4beabd43ece95d6a00a8

        SHA1

        465279b83362b977ec37f4f0d4229b8a0de213ae

        SHA256

        32612b60c987da1f50e8eb06426e492fb649d1d4de5f15335a70b1718a364e89

        SHA512

        c2b96fec8c24e3ffbc1e1d5f812a7e8d2673a322411fc7b9dee2f3a602eb9da798fa2c3b5e84c9c0df23bf6c41516cb28cbd067162ede502dbd8e2b1055b4447

      • memory/1180-0-0x000000006D280000-0x000000006D2D7000-memory.dmp

        Filesize

        348KB

      • memory/3084-31-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3084-29-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/3084-26-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/3084-42-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3084-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3084-37-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3084-32-0x0000000077212000-0x0000000077213000-memory.dmp

        Filesize

        4KB

      • memory/3084-38-0x0000000077212000-0x0000000077213000-memory.dmp

        Filesize

        4KB

      • memory/3904-35-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/3904-36-0x0000000000E60000-0x0000000000E61000-memory.dmp

        Filesize

        4KB

      • memory/4352-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4352-12-0x0000000002C70000-0x0000000002C71000-memory.dmp

        Filesize

        4KB

      • memory/4352-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4352-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4352-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4352-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4352-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4352-30-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/4352-17-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4352-6-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/4352-5-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB