Analysis

  • max time kernel
    92s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 07:01

General

  • Target

    323ec225b96e9713eb10ce54a42e78428d5612d499583665feb48879c8644a08N.dll

  • Size

    212KB

  • MD5

    ca61c8adc6bf654eea5f1f9f48fcf960

  • SHA1

    3dafc648d917b032851c9942c2dfa3fcc405b65e

  • SHA256

    323ec225b96e9713eb10ce54a42e78428d5612d499583665feb48879c8644a08

  • SHA512

    eb35e2138b707304cb2fb8076d061b92fdcffa377f51421d9512ee6cb26d6924eae07a23373cd6130591d01860e61ee053843dc6c68d54c11279108f40244fc6

  • SSDEEP

    3072:an4cV8gf2u41Z5tKlwiIhKQGUppd4/nPxx:g4y8gOl2nIcNEdexx

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 6 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 WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\323ec225b96e9713eb10ce54a42e78428d5612d499583665feb48879c8644a08N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\323ec225b96e9713eb10ce54a42e78428d5612d499583665feb48879c8644a08N.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1264
      • 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 WriteProcessMemory
        PID:1688
        • 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 WriteProcessMemory
          PID:4016
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3248
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 204
                6⤵
                • Program crash
                PID:2036
            • 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:2260
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2260 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4572
            • 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:1976
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1976 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3248 -ip 3248
      1⤵
        PID:3652

      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

        5e99ec80bb4e60401972729dff7db4f2

        SHA1

        a68a2f47614d8afd1b7afd1e0620d32cd393e2c0

        SHA256

        6ac6e0c6b415580d28c082f0e59f45289379890a167c088a557d3e2578b424e0

        SHA512

        7670c7e91ae9555458275effc570e107c9ae43b02e65f9200b773f9139dfe228faf55f5c4ac5d9d713d0231e16c129baf1c289534b42ac7b4d042f370240c654

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

        Filesize

        404B

        MD5

        42fe62504c564192e9b5f963b4ca9a49

        SHA1

        d9b661722183ad53487aa4046bd6283ebf324e65

        SHA256

        233f80d60dfe5c8bc4649b7a7e8d5dcba04fa0b7c6b43b930ef01ce65bb778ee

        SHA512

        188873887bed40df7931bd5fa3c71cb1bf5442f4c0e1f6fcc793e6cc949b34b23800fb9eff30d29b9965827da1039a54ab4fc0acac013a6e3af22b1070d913e4

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

        Filesize

        404B

        MD5

        4378bb8101fe063d9a6b6db218f066cf

        SHA1

        8beb52f65ae0e1d536a98e43b4eba007b12b6d91

        SHA256

        d02a0476e5cb0d28d6a5cb802ed84629b1f07ca85adfec22b0a1d53c596f30e9

        SHA512

        1ba0c805a9db2920ba634f12fba1a2d86380ece1ba6904a4473ffcc7f2c37e94899bd0b0d307f937b6bcf8547f02c309a9aa6050b0823c24c67a6e4752ae476c

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{1609189C-BDD7-11EF-91C3-622000771059}.dat

        Filesize

        5KB

        MD5

        b99fc68874c89d877c0a251b0e4674c6

        SHA1

        703230fdd826d0658a6d1acaf44d9105cf474779

        SHA256

        f598c72f45cd394b978471b2eab0d4043a1c7a2305039dc92ca934511b68245d

        SHA512

        a386573a5e5427d45a0ce227a91a82f306e2322e7251aab33a577dea2e1da90b8188d87772843fec9ce58472b7889cdc0307efd33fdcc508d6fa271532adcde7

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{160B7B47-BDD7-11EF-91C3-622000771059}.dat

        Filesize

        3KB

        MD5

        8bd3cd20c4361b1b018be836d1f2c49b

        SHA1

        4b8d1780dd16c59c4df0f6ed816189b5318ce8f3

        SHA256

        6c68bab65b970eb99ceecffc963cf5e5ca956365fcfde351061959f6d12083c3

        SHA512

        63d595309defe4375939265fcf09c252327a715d56c24540c49865bcd8791ac2d3c24f7e7dc1ec4da9b082bed31b19708230d9a68ad3678e12326c45097763bb

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2352.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        120KB

        MD5

        5c141e95c22363e31b6f25fcb6815d2d

        SHA1

        2eafcc1a58429a95548c33b3a081a361cea0456d

        SHA256

        79a77eec3120d0d12ba3da622f3f837d05f74821881e08edce7f9496ff901103

        SHA512

        ae0930b8a884643603307a27a6a5d219ab3ddb598ef58b7d74baaf10738b968d6a96c92c4f752f47e324930c2ed4cb6533d9ba140899ce051a8cb6f4ff637809

      • memory/1264-0-0x0000000010000000-0x0000000010036000-memory.dmp

        Filesize

        216KB

      • memory/1688-8-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/1688-4-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/3248-17-0x0000000001050000-0x0000000001051000-memory.dmp

        Filesize

        4KB

      • memory/3248-18-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/4016-19-0x00000000024D0000-0x00000000024D1000-memory.dmp

        Filesize

        4KB

      • memory/4016-23-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/4016-25-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/4016-20-0x0000000077822000-0x0000000077823000-memory.dmp

        Filesize

        4KB

      • memory/4016-12-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/4016-13-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/4016-14-0x0000000001F30000-0x0000000001F31000-memory.dmp

        Filesize

        4KB

      • memory/4016-15-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB