Analysis

  • max time kernel
    138s
  • max time network
    162s
  • 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, 11:31

General

  • Target

    172f88d6876468eac5058d62c34d5168.exe

  • Size

    136KB

  • MD5

    172f88d6876468eac5058d62c34d5168

  • SHA1

    0d43c39f26639d97cdc6f262bc47475f4e026ea8

  • SHA256

    e151ebfe6bc13e25d516821346952e1ed220b781860e9d9f215731aee1929142

  • SHA512

    54b7ecbc36976318e09f06b06f7f4997f1766288fa4d43011953a3001f1315a9f9d369f919a59ce50bd3cc3d286742d991061ff446ab4f3cfda8a46f6100ed70

  • SSDEEP

    768:K06R0UEgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICY:gR0In3Pc0LCH9MtbvabUDzJYWu3Bb

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 50 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\172f88d6876468eac5058d62c34d5168.exe
    "C:\Users\Admin\AppData\Local\Temp\172f88d6876468eac5058d62c34d5168.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2228
    • 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:4700
      • 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:1012
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1012 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2992
      • 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:1136
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1136 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4124
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    1⤵
      PID:1188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 204
        2⤵
        • Program crash
        PID:2852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1188 -ip 1188
      1⤵
        PID:1684

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{3815EE48-A80A-11EE-BB4F-EAB06C7B55B6}.dat

              Filesize

              3KB

              MD5

              13b7bc2bc02db0b81f835aeab35c3a6d

              SHA1

              f034ad8707cd1bb53cfc857a0230211ddd5d854d

              SHA256

              b8fad7f973943d5ce39d51da58804b97b5bf36bd8d2f3a626c94713049d8268c

              SHA512

              99c94a8221b71ae9300da3a2c31c9c241b4a72334acb9c8cd38bb7a0f1fdcfb1ef4e6eca3b1305ea63c304959522565cfae0540b3c93ee8d3c9e8e1afcfd1f6b

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver25D3.tmp

              Filesize

              15KB

              MD5

              1a545d0052b581fbb2ab4c52133846bc

              SHA1

              62f3266a9b9925cd6d98658b92adec673cbe3dd3

              SHA256

              557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

              SHA512

              bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MCZQJD7V\suggestions[1].en-US

              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • memory/1188-28-0x00000000003D0000-0x00000000003D1000-memory.dmp

              Filesize

              4KB

            • memory/1188-29-0x00000000003B0000-0x00000000003B1000-memory.dmp

              Filesize

              4KB

            • memory/2228-7-0x0000000001520000-0x0000000001521000-memory.dmp

              Filesize

              4KB

            • memory/2228-2-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/2228-5-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/2228-10-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/2228-9-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/2228-8-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/2228-0-0x0000000000400000-0x0000000000495000-memory.dmp

              Filesize

              596KB

            • memory/2228-4-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/2228-3-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/2228-1-0x0000000000400000-0x0000000000495000-memory.dmp

              Filesize

              596KB

            • memory/4700-26-0x0000000077C82000-0x0000000077C83000-memory.dmp

              Filesize

              4KB

            • memory/4700-30-0x0000000077C82000-0x0000000077C83000-memory.dmp

              Filesize

              4KB

            • memory/4700-31-0x0000000000070000-0x0000000000071000-memory.dmp

              Filesize

              4KB

            • memory/4700-25-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4700-23-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4700-34-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4700-35-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4700-22-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4700-24-0x00000000001D0000-0x00000000001D1000-memory.dmp

              Filesize

              4KB