Analysis

  • max time kernel
    136s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 05:23

General

  • Target

    07baf8c70bc24883ae7a15fcb4445c33.exe

  • Size

    127KB

  • MD5

    07baf8c70bc24883ae7a15fcb4445c33

  • SHA1

    463c23d8df22bdaabdfa3751eb4b816f9ff0e325

  • SHA256

    712c71b9c476ef9ac415de7432fa231661473fead108cd4d09c7ca54081b00a4

  • SHA512

    782f1ad21eb8a41a2d640d162af3e5214d24864cfb2e10201e4ac8387bdabfcd8251166056f06ab040a9cc30cd0c107a0079d50d767d019df0d2c0631907e8ed

  • SSDEEP

    768:f06R0UcegnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9I/:FR0Ddn3Pc0LCH9MtbvabUDzJYWu3B

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 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
  • 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\07baf8c70bc24883ae7a15fcb4445c33.exe
    "C:\Users\Admin\AppData\Local\Temp\07baf8c70bc24883ae7a15fcb4445c33.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4348
    • 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:1108
      • 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:4748
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4748 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1616
      • 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:1736
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1736 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2768
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 404 -ip 404
    1⤵
      PID:1880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 404 -s 84
      1⤵
      • Program crash
      PID:2976
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      1⤵
        PID:404

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        127KB

        MD5

        07baf8c70bc24883ae7a15fcb4445c33

        SHA1

        463c23d8df22bdaabdfa3751eb4b816f9ff0e325

        SHA256

        712c71b9c476ef9ac415de7432fa231661473fead108cd4d09c7ca54081b00a4

        SHA512

        782f1ad21eb8a41a2d640d162af3e5214d24864cfb2e10201e4ac8387bdabfcd8251166056f06ab040a9cc30cd0c107a0079d50d767d019df0d2c0631907e8ed

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{EEB2AEF5-A46F-11EE-8184-CA152A8DAB80}.dat

        Filesize

        3KB

        MD5

        b26a945a102038924a2305fe9caf86c4

        SHA1

        6a8767476242084ae717c3ef83c988cec85c8c28

        SHA256

        e7b9f85d045a3137ef436ca2d0434982ded5c9c4e0242a60582bb8cbe6264af6

        SHA512

        e1a3b626ec484016b34bffd9807dffb3632308f9717ad6d7a1686096541a86b61ad05591598b5f96d224e08a18ee881f3cb1281a58313db29e047b6b8ef45ed4

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{EEB77466-A46F-11EE-8184-CA152A8DAB80}.dat

        Filesize

        5KB

        MD5

        97066b6c9166eb735d8582300e116a6a

        SHA1

        d239752b1e526531d894ded38ea34062465caf3b

        SHA256

        e798b6f6b5adea25c6c6848f746e34b52283b112efd01e920e57ee1cc6ca9389

        SHA512

        a0fc02d2ef5f00dd7b49ce11f18d50defc886176126218ab05395def8d438e3f2e150aafdb9e115c5aa291e8fc9936fc8215370a338a1bc7fa9375bd4901c79d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verCF17.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9ALL181V\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/404-31-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

        Filesize

        4KB

      • memory/404-32-0x0000000000D90000-0x0000000000D91000-memory.dmp

        Filesize

        4KB

      • memory/1108-34-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/1108-26-0x0000000001520000-0x0000000001521000-memory.dmp

        Filesize

        4KB

      • memory/1108-17-0x0000000000400000-0x000000000046C000-memory.dmp

        Filesize

        432KB

      • memory/1108-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1108-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1108-33-0x0000000077BE2000-0x0000000077BE3000-memory.dmp

        Filesize

        4KB

      • memory/1108-29-0x0000000077BE2000-0x0000000077BE3000-memory.dmp

        Filesize

        4KB

      • memory/1108-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1108-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4348-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4348-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4348-0-0x0000000000400000-0x000000000046C000-memory.dmp

        Filesize

        432KB

      • memory/4348-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4348-5-0x0000000000920000-0x0000000000921000-memory.dmp

        Filesize

        4KB

      • memory/4348-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4348-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4348-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4348-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4348-1-0x0000000000400000-0x000000000046C000-memory.dmp

        Filesize

        432KB