Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2023, 20:22

General

  • Target

    NEAS.4acf446158fb36b534b46dc29e13abf0.exe

  • Size

    168KB

  • MD5

    4acf446158fb36b534b46dc29e13abf0

  • SHA1

    5097e8d900d52bb815bc8c7125c254c4f53379a0

  • SHA256

    3254bb2e53620f91237103575221e086517ab891a5a5dd09eb59012e503a9d04

  • SHA512

    fd8e461a835c542e04af47347ff49f4328bea1ed6349ef13b5c7dbe2a855295c7395d699e820412b5b8b62b034f4e7daf9abe2a27a842dbeb58d8676c09bc964

  • SSDEEP

    3072:6e7WpMNca3rytOkWpXfnYRl2l/9HSFHzJ0rIv:RqKB+tOkWKR0iJ0M

Score
9/10

Malware Config

Signatures

  • Renames multiple (307) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.4acf446158fb36b534b46dc29e13abf0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.4acf446158fb36b534b46dc29e13abf0.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2568

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-21-86725733-3001458681-3405935542-1000\desktop.ini.tmp

          Filesize

          168KB

          MD5

          3b0945030b538c9c2f6335d9c9719c4b

          SHA1

          e807a27ecad985f6120a459298633f71f61d93bc

          SHA256

          4f3005fcd6a035656f709ca9be2b8b42594e8e63ffd1848402dc879546ee7d3c

          SHA512

          33ce8b13a5abd5fa63c9e38e17bdbf0ce475de59cabefe87b9b7a470773a23979140531b5ada46afc900eb9aa7515265bd1e74f51ff592189cc8132aaba36f4a

        • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

          Filesize

          177KB

          MD5

          2113b1144ec709689d53e1e77e272abe

          SHA1

          dd78870673bf9a8dc2560f4825ea0bfe68f71c13

          SHA256

          d222ef1274e79d6fedfce4970493fb365d8fa4e556261ef0fab82a0bcaa22aec

          SHA512

          91530125d15eaf5af2b7c4ed13918c9314f222afa77e12f3c5f0cf9772a170686c42ee0d1cf0a779173d1440ffac39a93f28ea645394ff84cab9b69f17761a59