Analysis

  • max time kernel
    94s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 16:48

General

  • Target

    5df767c4ef38ccdc6af9e966a8fbece709d9dc8d723117a3366a1f474a638acbN.dll

  • Size

    4.7MB

  • MD5

    d572497144a66fc491c301355038c940

  • SHA1

    3d84b6d8c4982dc30648cd5358d55fa45b816870

  • SHA256

    5df767c4ef38ccdc6af9e966a8fbece709d9dc8d723117a3366a1f474a638acb

  • SHA512

    e870175a63547add563687919a036af135f3063db4a672fc67cbf92311a495d5bc13b9228c8c3b61d39f1c96c86db518037051d8a1df24215ec30c2c29310721

  • SSDEEP

    98304:caTiZ7qe+aOKvp3QZ6/HbS9FugmTw3gvhiWaOuBuJ0Ato4z/uk/t:caTiZ7qfRmp3QZ6/+9Fu/v0AmWh1

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 55 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\5df767c4ef38ccdc6af9e966a8fbece709d9dc8d723117a3366a1f474a638acbN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3412
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5df767c4ef38ccdc6af9e966a8fbece709d9dc8d723117a3366a1f474a638acbN.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1832
      • 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:4452
        • 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:4860
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4880
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 192
                6⤵
                • Program crash
                PID:324
            • 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:4420
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4420 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2524
            • 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:4888
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4888 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4880 -ip 4880
      1⤵
        PID:3472

      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

        169222e60ae1bb4bb97a42c82703e9bd

        SHA1

        0c2d00333514a899ff933e238542d33fbe0e43c0

        SHA256

        6a8a88d11c4974be5dc76744562687ce2a0da605e25124bf7594200ea426cffa

        SHA512

        f75914e58b3e2a658f4cf4d293a0c5b4c5ad60d6d99cd1674a0cb009918a5195301fa7226f7e9286f369c14797215958aa99e355d2d1fd448223341a73dc2141

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9E0C02DB-BBCD-11EF-AEE2-CEB9D96D8528}.dat

        Filesize

        5KB

        MD5

        069cc1581a4fc8197fb8443e99bfb4bb

        SHA1

        b5c0b13d7030d7bdafd166a691b55573fce13fc9

        SHA256

        9a5dac18df4c509ca4c40d1ae55d6f37a82be19817eaa0704992c87b60b535e8

        SHA512

        f7218b737ff74beff870fe9dd128f18bc0868c4f4e9534e004c0590ec2f20756684fc10a24c07a990eaa7039a2448733f26f5fbec6e8efbacf025c6bf5c08153

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9E0E6554-BBCD-11EF-AEE2-CEB9D96D8528}.dat

        Filesize

        3KB

        MD5

        aa72e5f288fe5ad77338f6a5c97cd7b3

        SHA1

        d018d002f2807cd56d4242029dabfa3b423ba7cc

        SHA256

        c546d6037f2b25e2b40af86f57c7d5ff85ed2f567c4a4ebae16aae89ebe3b13b

        SHA512

        2b6d3bb3945f112032869d948fda40d9a040ec3250db338de73c4c97441e03c3944deb069b1f6cf54f2431e37deb04f8a6eac82fbd48aa0cb09dae8e5f3a0118

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver3803.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

        60KB

        MD5

        3ac45bcb53d177c5c82da31058310e73

        SHA1

        6e8ac2a8b1f174041a8134c42ae28cd7dac2409c

        SHA256

        ba8e0f4e6ce24f96a873b5cbcf4bdc272c26b7c024d74c0f07256e7bbba62599

        SHA512

        8f2ec320694acdd88c09202aec938370ddc79c766ce1bf2fea12b5e8206827efca6ad9d5fb0e73de7b775f18026960182f90975763d69500ff7657befa8f8625

      • memory/1832-8-0x0000000006000000-0x00000000064C1000-memory.dmp

        Filesize

        4.8MB

      • memory/4452-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4452-14-0x0000000002850000-0x0000000002851000-memory.dmp

        Filesize

        4KB

      • memory/4452-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4452-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4452-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4452-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4452-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4452-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4860-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4860-26-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4860-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4860-33-0x0000000077A12000-0x0000000077A13000-memory.dmp

        Filesize

        4KB

      • memory/4860-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4860-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4860-28-0x0000000077A12000-0x0000000077A13000-memory.dmp

        Filesize

        4KB

      • memory/4860-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4880-30-0x0000000000D50000-0x0000000000D51000-memory.dmp

        Filesize

        4KB

      • memory/4880-31-0x0000000000D30000-0x0000000000D31000-memory.dmp

        Filesize

        4KB