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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/03/2024, 02:37

General

  • Target

    f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe

  • Size

    90KB

  • MD5

    1f460447096d5644ade37144af0d7bd4

  • SHA1

    3d5a17bd8cae0e36f6838a4d35d469b8a93d1803

  • SHA256

    f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb

  • SHA512

    cf33a1fd3d070b136ff0c188cf500518b984ea7182a2b04d472dd13f32ea187fc5d5febab7be96f0921cb85b65e3133d9ba2324bfe2687f99d8f9b94c3d48df6

  • SSDEEP

    1536:vAowfbJFgjQ284U+w2EwRzSIUqhwDKopH0jIInjjnjjnjnjnjnjj3Q1aaCCCNapF:vAowVFgjQiUkEwtSXqhwDKopH0jIInjs

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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe
    "C:\Users\Admin\AppData\Local\Temp\f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:3580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    90KB

    MD5

    995916fccfc85dda30dd0f81a2d7efee

    SHA1

    022da96654eaff1f7a785761806d5cdb7ad126de

    SHA256

    fa3d0ef07bb6d5f808656cc041fe355ff6e3907a3084a8cf61ee3495612b39c2

    SHA512

    f8a1336295822ea20925896aee1791edc42045bf42ed368c67c16137f5d169ad55248851ae925bd313552fe33625283ce7ede22c3742fef655ff2b394151989e

  • memory/3580-6-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3844-0-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3844-4-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB