Analysis

  • max time kernel
    94s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 02:00

General

  • Target

    64122e93a82517fa75e13c98bc5fa2e44ccb748179a61b4096b99aedab39f724.exe

  • Size

    111KB

  • MD5

    8f611dd290d211dc9f82e3f6ac971f7c

  • SHA1

    8d2ef2cc38c2011317cd095fe4c77d13a5a14097

  • SHA256

    64122e93a82517fa75e13c98bc5fa2e44ccb748179a61b4096b99aedab39f724

  • SHA512

    2af9bc9d5c03f73382026540fb7013e4f97ee822a7d98ce8cf68dcf7e93467446226597092731b4bd22e36dae0bfdcec765e60ccd88cc8c12a3f37a160d82e4a

  • SSDEEP

    3072:TROzoTq0+RO7IwnYv5Aoc8ijTxuVM2hkSOj4:1kdNwBq5Aoc8iLcOk

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 3 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64122e93a82517fa75e13c98bc5fa2e44ccb748179a61b4096b99aedab39f724.exe
    "C:\Users\Admin\AppData\Local\Temp\64122e93a82517fa75e13c98bc5fa2e44ccb748179a61b4096b99aedab39f724.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Users\Admin\AppData\Local\Temp\64122e93a82517fa75e13c98bc5fa2e44ccb748179a61b4096b99aedab39f724Srv.exe
      C:\Users\Admin\AppData\Local\Temp\64122e93a82517fa75e13c98bc5fa2e44ccb748179a61b4096b99aedab39f724Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5104
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3552
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3552 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4124
    • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4920
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4688
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4688 CREDAT:17410 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1048

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

    73bd07332e49df35f5fbaf2fdc5ef491

    SHA1

    79f6ea7da92a51f584dbf94ff3e25eabd23a62ba

    SHA256

    a3cf1ad274ceb547a6b20fe6ac41d7192d9e9cd711a8b62f0c85886d89349f41

    SHA512

    c4afc8e404956fbe5ac716f159413134a63a676a5b78efc1ea1a5fed71bfcb14c912e4897148233cf759dd3a5740aa8b4b985f29dc5a13dec1fe2af4e8b262e4

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{B0EBD61F-BC1A-11EF-A4B7-DA61A5E71E4E}.dat

    Filesize

    5KB

    MD5

    7000fea1e3c8f32cea704b0e3be9a845

    SHA1

    39b1cce084f032dba59fe511876208e206da93bb

    SHA256

    9b7b4fac2198af78ec4d9f1405e9894d5072665595e9b94bb1f1ad05e734dfce

    SHA512

    50e5ba939b41860865d9ed1f53c31a1b3872667eedce44f1eb05048e5c3abb4072013cb26f4b51d58e56285ff2015742c1425d14e5404e284e31b269eaf86b7a

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{B0F5607F-BC1A-11EF-A4B7-DA61A5E71E4E}.dat

    Filesize

    3KB

    MD5

    91fd56bf5ed88538942f9504b1bdfa28

    SHA1

    16b88c32f4a595aafd8e9d1f6f9bdaa174232653

    SHA256

    08499899c0b8cd260c8c25deeb88aa1799b6686a84a0647703b14a20a818e6dd

    SHA512

    0764f8b55a1777b2b22c707a7bc5f8172a5565268962e17c9927a45275e932d9462ef3a7f6268cde41eda82d215993774a805ac073b5a379a4d3dc564d534ef6

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1C4D.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\64122e93a82517fa75e13c98bc5fa2e44ccb748179a61b4096b99aedab39f724Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/1968-8-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1968-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3292-6-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/3292-23-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/3292-0-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/3292-5-0x00000000005A0000-0x00000000005AF000-memory.dmp

    Filesize

    60KB

  • memory/4920-19-0x0000000000570000-0x0000000000571000-memory.dmp

    Filesize

    4KB

  • memory/4920-21-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/5104-16-0x0000000000670000-0x0000000000671000-memory.dmp

    Filesize

    4KB

  • memory/5104-24-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/5104-17-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB