Windows 7 deprecation

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Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07/04/2024, 18:22

General

  • Target

    08353cc8f2b15c9ad6a1781b9905ad7a354cf33d0db3f076fd4acc47d583328e.exe

  • Size

    61KB

  • MD5

    e2f1357f3ac3b2cd335104e725f2dca3

  • SHA1

    86f97f76d24b9f70c8edee70185d1ab7886db2eb

  • SHA256

    08353cc8f2b15c9ad6a1781b9905ad7a354cf33d0db3f076fd4acc47d583328e

  • SHA512

    755eacb03df3d0ce9b17ef16df26daaf5750f07d27f33edcb99f3ca3c4be14aca67117c1a894fde0d4324e224d9e81719c0c9fbd2862376febca09cea2f0d114

  • SSDEEP

    1536:NDj2d6rnJbJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nsqnl1RE:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1MuD

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\08353cc8f2b15c9ad6a1781b9905ad7a354cf33d0db3f076fd4acc47d583328e.exe
    "C:\Users\Admin\AppData\Local\Temp\08353cc8f2b15c9ad6a1781b9905ad7a354cf33d0db3f076fd4acc47d583328e.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:1732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    62KB

    MD5

    959affcda29e008b757efbf6a3422687

    SHA1

    8abf02c9b094b20e4d86a882a8b75d66af2a64c0

    SHA256

    ff00a841055389e867153f99d0fa1c28c401a9250eca63b60ef58917d00a127b

    SHA512

    ffb1d606ec6dd37a62e010e0c2d8c434cc674c7cf691efe3ab69d42a3d373372d69ac90c4978cd84682b09b7f7db3ec7ce40e93a684e07edd31f802c2154fc4e

  • memory/1732-9-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1732-13-0x0000000010000000-0x0000000010005000-memory.dmp

    Filesize

    20KB

  • memory/1732-14-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1936-0-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1936-6-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1936-8-0x0000000000020000-0x000000000002C000-memory.dmp

    Filesize

    48KB