Analysis

  • max time kernel
    139s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-07-2024 08:04

General

  • Target

    $SYSDIR/avisynth.dll

  • Size

    301KB

  • MD5

    fec24e7beedf0d4f44b9832bfae12c2a

  • SHA1

    8621cc1f3eec932f55dc84dd3df7f0ed91cfe0a4

  • SHA256

    2321505dc63367ef14fa66f0d72253a0c506e31c243dcfc34439dd09d26be599

  • SHA512

    7c4b132af6be0ae901b861403b4c0826da353874826fd17e1d97b0977c5a3b80131d0ddd40a1758ae6b1e40c80577998e2ff05379e9887cbe808a429077427eb

  • SSDEEP

    6144:CCQWKr6y+pYLxY1WAgAzxS3SNYFERwqB/XvlVIxv383U0iMdvGYZ2g5dC4IHUoGM:Grd+uFEU3SNiwwqB/vlC83U9MdnzKvGM

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\avisynth.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\avisynth.dll,#1
      2⤵
        PID:2300

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2300-0-0x0000000010000000-0x0000000010106000-memory.dmp

      Filesize

      1.0MB

    • memory/2300-1-0x0000000002110000-0x0000000002277000-memory.dmp

      Filesize

      1.4MB