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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 03:57

General

  • Target

    0da34ec93538d3074163083dad3351a2.exe

  • Size

    97KB

  • MD5

    0da34ec93538d3074163083dad3351a2

  • SHA1

    23018642d30d09444a74ef11721e3eda0f4ec71a

  • SHA256

    97f29ffb8c19657ae617866c01d5574b4ba5cd64ea32d40df54ecc22d2212e88

  • SHA512

    c23f1138289e52bdfeea40720cc3ec9faf434e6ac00e97d2efc7ccd9fdfd3fdc4c578fb056228aca220990e8293fa5aa5a835bffbd369767f1cf3251b0bf4295

  • SSDEEP

    768:L06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw98:ZR0vxn3Pc0LCH9MtbvabUDzJYWu3B

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 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
  • 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0da34ec93538d3074163083dad3351a2.exe
    "C:\Users\Admin\AppData\Local\Temp\0da34ec93538d3074163083dad3351a2.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4716
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3672
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2616
        • 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:2868
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2868 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2596
        • 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:2672
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2672 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2616 -ip 2616
      1⤵
        PID:2296
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 208
        1⤵
        • Program crash
        PID:4116

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Microsoft\WaterMark.exe

        Filesize

        97KB

        MD5

        0da34ec93538d3074163083dad3351a2

        SHA1

        23018642d30d09444a74ef11721e3eda0f4ec71a

        SHA256

        97f29ffb8c19657ae617866c01d5574b4ba5cd64ea32d40df54ecc22d2212e88

        SHA512

        c23f1138289e52bdfeea40720cc3ec9faf434e6ac00e97d2efc7ccd9fdfd3fdc4c578fb056228aca220990e8293fa5aa5a835bffbd369767f1cf3251b0bf4295

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{A2B5445A-A802-11EE-9ECD-524326B4BB5C}.dat

        Filesize

        3KB

        MD5

        d6b91f335d0e8e0842e2ceb76daf0673

        SHA1

        0251bd3264334eca418dbbb28b255685f9574f28

        SHA256

        fc49306b1d2868d575526ddab38179a9af360f5844f59a58ac845e9ee9530119

        SHA512

        03743eab405f26efd801aeed9471367494172a5cb99ec158113a88afb4e00f33da498181f42a6cdac648aa0943b36d59ebd225dc2163793f00383d262ea3d85c

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{A2BA0833-A802-11EE-9ECD-524326B4BB5C}.dat

        Filesize

        5KB

        MD5

        f468d118da78676dd62948483d746b32

        SHA1

        f312ecb117e0942664669c453748dab40067b841

        SHA256

        151bc98c0f13c324b986c12fb849e210d7566a64af0579b7dfed9031422efcf4

        SHA512

        244609f325bf47bf1d744101c32dbbaed34b7873b2baffe5fedd0f8584bf6282a5081b9cfb1ed3e8dc9e29e327b7c93c2f8947bbb29f034eb0df0527ef78a4af

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD0CD.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/2616-30-0x0000000000E20000-0x0000000000E21000-memory.dmp

        Filesize

        4KB

      • memory/2616-31-0x0000000000E00000-0x0000000000E01000-memory.dmp

        Filesize

        4KB

      • memory/3672-32-0x0000000077D62000-0x0000000077D63000-memory.dmp

        Filesize

        4KB

      • memory/3672-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3672-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3672-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3672-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3672-29-0x0000000077D62000-0x0000000077D63000-memory.dmp

        Filesize

        4KB

      • memory/3672-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3672-25-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/3672-24-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4716-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-6-0x00000000008F0000-0x00000000008F1000-memory.dmp

        Filesize

        4KB

      • memory/4716-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-1-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB