Analysis

  • max time kernel
    106s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/04/2025, 13:47

General

  • Target
    d23a265fb919a4d9401ef60c5aa52d8deda1310a8a1eeb61edbe87f35114f76a.exe
  • Size 4.7MB
  • Sample250412-q3tsdswvfv
  • SHA256 d23a265fb919a4d9401ef60c5aa52d8deda1310a8a1eeb61edbe87f35114f76a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Detects Rhysida ransom note 1 IoCs
  • Rhysida

    Rhysida is a ransomware that is written in C++ and discovered in 2023.

  • Rhysida family
  • Renames multiple (7421) 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d23a265fb919a4d9401ef60c5aa52d8deda1310a8a1eeb61edbe87f35114f76a.exe
    "C:\Users\Admin\AppData\Local\Temp\d23a265fb919a4d9401ef60c5aa52d8deda1310a8a1eeb61edbe87f35114f76a.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:5740

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        !__README__!.pdf

        • Path C:\Program Files\7-Zip\!__README__!.pdf
        • Size 108KB
        • SHA256 b4e78ee98ea3d8ce1e8752907e94ac053e2695877fba51bb930715847f8d6ad4
        • MD5 SHA1 SHA512 SSDEEP

        memory/5740-0-0x00007FF703620000-0x00007FF703ACD000-memory.dmp

        memory/5740-1-0x0000000140000000-0x00000001400B4000-memory.dmp

        memory/5740-3989-0x00007FF703620000-0x00007FF703ACD000-memory.dmp