Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2024, 19:34

General

  • Target
    1417a18384e6ae06a43b160307c24bb773e45538eacc70cb4e9e03ff8f9e828f.exe
  • Size 94KB
  • Sample240613-yaastaydnb
  • SHA256 1417a18384e6ae06a43b160307c24bb773e45538eacc70cb4e9e03ff8f9e828f
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (597) 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\1417a18384e6ae06a43b160307c24bb773e45538eacc70cb4e9e03ff8f9e828f.exe
    "C:\Users\Admin\AppData\Local\Temp\1417a18384e6ae06a43b160307c24bb773e45538eacc70cb4e9e03ff8f9e828f.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2932

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-39690363-730359138-1046745555-1000\desktop.ini.tmp
        • Size 94KB
        • SHA256 30603c2cdc25530ca4bcd3508fc9cf9abc872ece6ff9ee296268ae4da8c55f23
        • MD5 SHA1 SHA512 SSDEEP

        Office64WW.xml.tmp

        • Path C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp
        • Size 103KB
        • SHA256 f2bd336e918ab06f9557c4e597c224183774dc61299153e65e75c6d84f5d086d
        • MD5 SHA1 SHA512 SSDEEP