Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 21:49

General

  • Target
    4eda0af1a3f856db8221b384c20789ba84aba8cf329f5ee621b42cde5f169e19.exe
  • Size 82KB
  • Sample240611-1pe27atake
  • SHA256 4eda0af1a3f856db8221b384c20789ba84aba8cf329f5ee621b42cde5f169e19
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (3534) files with added filename extension

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

  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4eda0af1a3f856db8221b384c20789ba84aba8cf329f5ee621b42cde5f169e19.exe
    "C:\Users\Admin\AppData\Local\Temp\4eda0af1a3f856db8221b384c20789ba84aba8cf329f5ee621b42cde5f169e19.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2188

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-481678230-3773327859-3495911762-1000\desktop.ini.tmp
        • Size 82KB
        • SHA256 d695c19e32d088b60b3d8388e12ff442629268ffe16379007d39d22094d38ea8
        • MD5 SHA1 SHA512 SSDEEP

        Office64WW.xml.tmp

        • Path C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp
        • Size 91KB
        • SHA256 da5deb3b6abff468e064da4995e8b1ca8b3986ffc10b89334afb95d3792f04f3
        • MD5 SHA1 SHA512 SSDEEP

        memory/2188-0-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/2188-654-0x0000000000400000-0x000000000040B000-memory.dmp