Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 01:38

General

  • Target

    a10dabae652c96f0eaab4e802c24573ff52afcdeb66b9c27a329e82c417d5c8d.dll

  • Size

    270KB

  • MD5

    a4ce9ab0377a3698c5e2c3d5ea2b616a

  • SHA1

    3bd80b4ab1d779f3d7ec657dae1eb8cc8157fcc8

  • SHA256

    a10dabae652c96f0eaab4e802c24573ff52afcdeb66b9c27a329e82c417d5c8d

  • SHA512

    00c8b31d5203e9b1afa6c4c4bfc90b04826d788022604477920400d25c76b6398add81e6e4970656e7a8130f05d60747dcd3c2ab900ddbdbf2c873930a656ef8

  • SSDEEP

    6144:xMJOWK4l0wqOVq1dQAUNf0FlpT8tZ6vRSM:x2OWK4llpH50FLT8tAvRSM

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 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\a10dabae652c96f0eaab4e802c24573ff52afcdeb66b9c27a329e82c417d5c8d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a10dabae652c96f0eaab4e802c24573ff52afcdeb66b9c27a329e82c417d5c8d.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3396
      • 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:1544
        • 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:3544
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4060
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 204
                6⤵
                • Program crash
                PID:2652
            • 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:3532
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3532 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:3252
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3252 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 4060 -ip 4060
      1⤵
        PID:408

      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

        36ed732b90a27bd5f4716645a456ad34

        SHA1

        93caaf2e2b76b96142e3a9865eb12aa6aab4296e

        SHA256

        a41bae0a57d70f030a24668e1e68cfec75c27ed94105d8ae895025edfef3132e

        SHA512

        460f8f4e5bc5f445c7f175699c80e86e2f4c1822a4e7c3ecb07de224db0c7428f74058fa3e164b3fde0777af2818da0e9e831b869e8bd7b1ffb3b4abc794fbd2

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

        Filesize

        404B

        MD5

        9275813e63a1710395fd70ad4f0ed557

        SHA1

        082199286b5db081f367bda38859de41ede6aa83

        SHA256

        4c0d7876c25c423b0591d33fcbba83d46eaf1d53c5e27b274bd0e29ec3aef009

        SHA512

        33ea3bfc1b13f7cc5aae6a6da7d24fd8c698cb9919bbeb35170f506f0aedc17336eec16d34a25efb1e45870123d54d25cc1e361e681197fdeebcba90791962f0

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9D407991-C0CE-11EF-A7EA-E24E87F0D14E}.dat

        Filesize

        5KB

        MD5

        ffbf54c431d7d40b0f2c2a7b0173c3b0

        SHA1

        028a770cca844b985b2055a3b896f4094a4279ec

        SHA256

        1ec7aa87a6f9b84a965e5d453acfb0b0c3e48c8a113b51396c2db9f577bcf301

        SHA512

        4e9955a2ce33d4a9a7f5c98b3947b6fd027a5d996713276fa75885e0baab7c8bd382c1072b1099e176a437f96b2c1b00e5498e8cfab488dcf8e9d6c5ac972420

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9D42DC48-C0CE-11EF-A7EA-E24E87F0D14E}.dat

        Filesize

        3KB

        MD5

        29b8116ed253f23a82064b436ca0f92b

        SHA1

        135df3b47d182948c08d3cf9fb9f06d2ee9f99a2

        SHA256

        8763186ee4615e4a348a257b5dabe0571219229118fae3d97fe63d2e9407335a

        SHA512

        74c2c677fc21bbe48aff59cfb72125fd43488139147c5a6f5416fc03fae7cbf88c75deed187ccb4f9daba0b93d9f8ef2e1b70470f20c6ae0f05ba0ea11631039

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver14CB.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        119KB

        MD5

        6ccc1cdfb26daeb170fe75a4a476d30b

        SHA1

        00cb344695ad75cb667c1335d92f87ed8e7250a3

        SHA256

        5128c0d27138fa7f11f79bc77f5d8f6e585b13a92ea582114a4e7a57922eac06

        SHA512

        3f922709b0c1a83247e78ccf7e5c52fba6b2a9c4f6daf7382f8889c4571dbf89bf44bee487ff0954a02df07cdbc480e73a75d9bff2409cf1c44397853405046a

      • memory/1544-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1544-12-0x0000000002C50000-0x0000000002C51000-memory.dmp

        Filesize

        4KB

      • memory/1544-15-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1544-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1544-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1544-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1544-31-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/1544-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1544-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1544-6-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/1544-4-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/3396-0-0x0000000010000000-0x0000000010048000-memory.dmp

        Filesize

        288KB

      • memory/3544-33-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3544-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3544-38-0x0000000076F62000-0x0000000076F63000-memory.dmp

        Filesize

        4KB

      • memory/3544-37-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3544-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3544-30-0x00000000028B0000-0x00000000028B1000-memory.dmp

        Filesize

        4KB

      • memory/3544-42-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3544-32-0x0000000076F62000-0x0000000076F63000-memory.dmp

        Filesize

        4KB

      • memory/3544-26-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/4060-35-0x00000000007E0000-0x00000000007E1000-memory.dmp

        Filesize

        4KB

      • memory/4060-36-0x00000000007C0000-0x00000000007C1000-memory.dmp

        Filesize

        4KB