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Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/04/2024, 21:57

General

  • Target

    6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe

  • Size

    100KB

  • MD5

    57d5717cf3b20b62a91e517ef7ed20af

  • SHA1

    7818ab2a4094a0b92dbf200f41aca8567684d992

  • SHA256

    6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa

  • SHA512

    78c6d89ce789018e8368304293674372ae47e75934cbfcfed4d08e3bba328c3a95e2fffcd206dbaa7e6dc932fdd884377213b30a2012b576fe168378e2eeb1f8

  • SSDEEP

    1536:26S5c/7Xp4BNRXAEwqScgDz0Bg2PDXJRde/S9FMYVwt+QaMxS+XjLlm:dd4zDfDXJVa+sS+3s

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe
    "C:\Users\Admin\AppData\Local\Temp\6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\lyxuor.exe
      "C:\Users\Admin\lyxuor.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\lyxuor.exe

    Filesize

    100KB

    MD5

    dd61401290527aedb03b33dc611e9d71

    SHA1

    9612f3191c52a6516e5b8cbc4b56c61981ce3680

    SHA256

    5b00efcdef1139207688089e64248d3d39903dc71af0f113aef800300f96fd0e

    SHA512

    6a149b1825573ec58408e3e132480eeb6aad9b50eb31906ab64d2ca5e234f59d979d25ee60449997afa980c3e105fc1bbde57f57d3f21609348cf7857955e241