Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 23:28

General

  • Target
    81afba3e37a5cd2ae6aa3dd70302ca092f961b4970f5a3ac2af2d1802e26f12c.exe
  • Size 74KB
  • Sample240601-3f1nmsbc57
  • SHA256 81afba3e37a5cd2ae6aa3dd70302ca092f961b4970f5a3ac2af2d1802e26f12c
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (4823) 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\81afba3e37a5cd2ae6aa3dd70302ca092f961b4970f5a3ac2af2d1802e26f12c.exe
    "C:\Users\Admin\AppData\Local\Temp\81afba3e37a5cd2ae6aa3dd70302ca092f961b4970f5a3ac2af2d1802e26f12c.exe"
    1⤵
    • Drops file in Program Files directory
    PID:4356

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2804150937-2146708401-419095071-1000\desktop.ini.tmp
        • Size 75KB
        • SHA256 35455b339fe8cf9fd76359f3cd760a24cd0affacfc4eae55d9631b00a05eb197
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 173KB
        • SHA256 751171081c00dcc6f8533ea13b3fa15a7f0ca4239b5c86cb405a2a5c8ab963ec
        • MD5 SHA1 SHA512 SSDEEP