Analysis

  • max time kernel
    95s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 17:48

General

  • Target

    2025-03-06_4e3dd5db8abc66706e31ef77f116c26d_ryuk.exe

  • Size

    1.4MB

  • MD5

    4e3dd5db8abc66706e31ef77f116c26d

  • SHA1

    70e3514896f97c1be4403bb3a14533ab2f4cf162

  • SHA256

    c20778aa9cf82bf564aff137834c1f5063f08170e5653d1de8fe689bbd7a6fca

  • SHA512

    982d1d9ffc27f2d25d2c47a1571657056abc38abe4d2ecab020b3644155b605b690b2c07d854a18a5224a8c8cd7b2992270300f7f136e40adae9ab7e7fc43fcf

  • SSDEEP

    24576:+PRvMqB+5iNPKI7sfP0YlVa6xL88MfVeAgw5Z0cwnGbw:+PRvMqyiNh7sf8MVaKLvMflgwf0uw

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Azov family
  • Renames multiple (111) files with added filename extension

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-06_4e3dd5db8abc66706e31ef77f116c26d_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-06_4e3dd5db8abc66706e31ef77f116c26d_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:1600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\7-Zip\Lang\RESTORE_FILES.txt

    Filesize

    2KB

    MD5

    78ede93114e65f9160fd03d3357c56e6

    SHA1

    88d531b101e57655f1d0d26c6b3257aa2468d460

    SHA256

    c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5

    SHA512

    074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d

  • memory/1600-1-0x000002223A2F0000-0x000002223A2F5000-memory.dmp

    Filesize

    20KB

  • memory/1600-0-0x000002223A0C0000-0x000002223A0C7000-memory.dmp

    Filesize

    28KB

  • memory/1600-2-0x000002223A300000-0x000002223A304000-memory.dmp

    Filesize

    16KB

  • memory/1600-7-0x000002223A2F0000-0x000002223A2F5000-memory.dmp

    Filesize

    20KB

  • memory/1600-5-0x000002223A2F0000-0x000002223A2F5000-memory.dmp

    Filesize

    20KB

  • memory/1600-6-0x000002223A300000-0x000002223A304000-memory.dmp

    Filesize

    16KB

  • memory/1600-8-0x000002223A2F0000-0x000002223A2F5000-memory.dmp

    Filesize

    20KB

  • memory/1600-9-0x000002223A2F0000-0x000002223A2F5000-memory.dmp

    Filesize

    20KB