Analysis

  • max time kernel
    150s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/06/2024, 03:52

General

  • Target
    f5ef60b3fc3f54e43d6ed95c22ad32806559a91571135ebf383a0cde2ebbbdc2.exe
  • Size 52KB
  • Sample240615-efbshssbmn
  • SHA256 f5ef60b3fc3f54e43d6ed95c22ad32806559a91571135ebf383a0cde2ebbbdc2
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (5295) 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\f5ef60b3fc3f54e43d6ed95c22ad32806559a91571135ebf383a0cde2ebbbdc2.exe
    "C:\Users\Admin\AppData\Local\Temp\f5ef60b3fc3f54e43d6ed95c22ad32806559a91571135ebf383a0cde2ebbbdc2.exe"
    1⤵
    • Drops file in Program Files directory
    PID:376

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1337824034-2731376981-3755436523-1000\desktop.ini.tmp
        • Size 52KB
        • SHA256 8f21a7dacd4b7c020bfe28568dbb2bb9bf28b99ff88f2b01e23ffdc3626cb085
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 151KB
        • SHA256 ac38ac4820693844a31c579502ca78937e211d894da87dd96963c10429510845
        • MD5 SHA1 SHA512 SSDEEP

        memory/376-0-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/376-1980-0x0000000000400000-0x0000000000408000-memory.dmp