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
    10-12-2024 11:37

General

  • Target

    4db0e1a6a1b4a0da143de18db0824eaef6f28386dd95578356da9838b7b25525.dll

  • Size

    156KB

  • MD5

    0994a9a67fb9c156078f2232c35c98f4

  • SHA1

    8ff14dc8dda768e242f74ba395496e671554a6ee

  • SHA256

    4db0e1a6a1b4a0da143de18db0824eaef6f28386dd95578356da9838b7b25525

  • SHA512

    d9c6b433ae4c5b249c30240e67cbbdb244fc38f7b636018f99a3240e9d33503cc5b5f0089c84e2aa5005a0b10b230f3f23d4ea0769b477b95992cf862bb37cf0

  • SSDEEP

    3072:ln4cV8gf2u41Z5tKlw6XZufRdL+eONORnKW12hB7:B4y8gOl2puiORnj12hB7

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 7 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\4db0e1a6a1b4a0da143de18db0824eaef6f28386dd95578356da9838b7b25525.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4db0e1a6a1b4a0da143de18db0824eaef6f28386dd95578356da9838b7b25525.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4432
      • 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:1296
        • 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:1492
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1980
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 204
                6⤵
                • Program crash
                PID:4380
            • 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:2800
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2800 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4292
            • 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:3960
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3960 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1980 -ip 1980
      1⤵
        PID:3596

      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

        87f8376b71b1fd35da4b511eff055888

        SHA1

        0c55fba0aa699282bbe4d129dd0ba16d4e377ce9

        SHA256

        a1383ed3b4f8967fb19f5b16bfe41eb3242b296ffc06c1098fbe1d1a04a7003f

        SHA512

        8556ed20a3d9daf8f74b2eceaab6a3773b69d5c9524ba8dbb8af1ad64b2235165e487c41646e357be5906aaa7f0f4c57ff8dc9ea2acc0c87f443d3ad083c9031

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

        Filesize

        404B

        MD5

        4be041f53c1671715c58ff8d18bee56a

        SHA1

        812eb65b7bc49df30691b8687872cb586d52320d

        SHA256

        809e3ec6689fc5a80d742063a2848cfe3272cd4223f06af729fea358dd7b2e1d

        SHA512

        365246df646002ac33634620ec49477d3e5f6ef61e5245b1577cb4c3c9ead91f340e643e0edadc9e0befb3d82310b92f9208894d9130374a60a8f273b95e4f81

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

        Filesize

        404B

        MD5

        12c86a7613fef87c4374802b8525d2a0

        SHA1

        d249b1afb9c22c8adb65ca416f31537134337207

        SHA256

        98fc6ff18b58676f4dbbf7cc68c584c71759d26eba26f16137a347334838ee5d

        SHA512

        119a530e4151f6843b39ecc5eca33bbe5aa344392b26c62064036f09e3eff8ee4c53857590d94a1cf8f5a7f0afe7342ce40e1a05572cea16b87dba1a6d028f95

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2FAE9CA5-B6EB-11EF-AEE2-520873AEBE93}.dat

        Filesize

        3KB

        MD5

        c6bbf05091d97d3629887bd09c36cac1

        SHA1

        0007635c9afee66b0739637a6963371c74b6e78e

        SHA256

        1b0d8782e1f0c887801a25a91b607d50e2e3a57c82f7b0c3cf930429a1368d84

        SHA512

        8138fa5c0243fcc1f431b6485eef8e11ab0ccf3293bb4259ec93f745365bc0ff980987da151d3cb6875bae344f51d12d1e1e1020a14715c0050a707a6d0d1ad4

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2FB0FEEA-B6EB-11EF-AEE2-520873AEBE93}.dat

        Filesize

        5KB

        MD5

        9e0adb959070f53e94a51c717f4098f6

        SHA1

        51e5ba4b54113c3e6577091eba4d86eedbcb62c3

        SHA256

        7615a8fad6b870fd01003856684805cd9772ad54415f85a37ec19f7ab651990d

        SHA512

        b2d4b7c97ae799b65dc62d7d79626062d3459b0b2ec624b8a3c5095b91cb2dae145fe89ba0065d37e074230b757aaff1ad9716ab7242ada4e32ac91e2b47908d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver342A.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

        65KB

        MD5

        a9ea94ee4a3bb43d4057823b2072dc54

        SHA1

        94ade3c34ec08613daba8a1240586c24f8169794

        SHA256

        7edbb67a880d90e53ec7949c4907f4ccf5596899b98ed8651b01a485a7b06789

        SHA512

        0ae24a452c474a0b67eb17ceb78eabc46aad7f04a249d526cbd1bf25ccc94016133ee6cdd1cf342fa3c8dbff60372d18df56137a6c0303bbaee07f005f930ab5

      • memory/1296-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1296-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1296-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1492-20-0x00000000005D0000-0x00000000005D1000-memory.dmp

        Filesize

        4KB

      • memory/1492-23-0x00000000772B2000-0x00000000772B3000-memory.dmp

        Filesize

        4KB

      • memory/1492-22-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1492-21-0x00000000772B2000-0x00000000772B3000-memory.dmp

        Filesize

        4KB

      • memory/1492-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1492-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1492-15-0x00000000005C0000-0x00000000005C1000-memory.dmp

        Filesize

        4KB

      • memory/1492-16-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1492-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1492-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1980-18-0x00000000004F0000-0x00000000004F1000-memory.dmp

        Filesize

        4KB

      • memory/1980-19-0x00000000004D0000-0x00000000004D1000-memory.dmp

        Filesize

        4KB

      • memory/4432-0-0x0000000010000000-0x0000000010028000-memory.dmp

        Filesize

        160KB