Analysis

  • max time kernel
    92s
  • max time network
    140s
  • 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, 05:50

General

  • Target

    2025-03-06_81122799b6f7d254cf1cb5b3465f8646_ryuk.exe

  • Size

    1.4MB

  • MD5

    81122799b6f7d254cf1cb5b3465f8646

  • SHA1

    3ac4d8ec2e22eff32709d9c2a7c8ed9465d14152

  • SHA256

    87755e22a35eca7171d9edd2aadadea504455dda566dd770c5a9de71f25d3b0a

  • SHA512

    9240a931e5a5b2a8d4a9662194a5c73ecad5de484ce52193423b090144797f502cb3bdb5263d4ead4e8ff1434cd669d19dd6a9d2b4a4029c9a374f8d39df0e94

  • SSDEEP

    24576:pZFRqC/VWaleGGIraQoDSITurHBBfVevgw5Z04/fsbIIB+:pZFRqqWalGIr7+SICrhBfOgwf0msV0

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Azov family
  • Renames multiple (112) 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_81122799b6f7d254cf1cb5b3465f8646_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-06_81122799b6f7d254cf1cb5b3465f8646_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:3816

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/3816-0-0x000002C086AA0000-0x000002C086AA7000-memory.dmp

    Filesize

    28KB

  • memory/3816-1-0x000002C088360000-0x000002C088365000-memory.dmp

    Filesize

    20KB

  • memory/3816-2-0x000002C088370000-0x000002C088374000-memory.dmp

    Filesize

    16KB

  • memory/3816-5-0x000002C088360000-0x000002C088365000-memory.dmp

    Filesize

    20KB

  • memory/3816-10-0x000002C088360000-0x000002C088365000-memory.dmp

    Filesize

    20KB

  • memory/3816-7-0x000002C088360000-0x000002C088365000-memory.dmp

    Filesize

    20KB

  • memory/3816-6-0x000002C088370000-0x000002C088374000-memory.dmp

    Filesize

    16KB