Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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, 18:27

General

  • Target

    2025-03-06_c1535f3f7a386430a70201b36043a41b_ryuk.exe

  • Size

    1.4MB

  • MD5

    c1535f3f7a386430a70201b36043a41b

  • SHA1

    3450fb6060d00072aedcf415df480112d3a1104e

  • SHA256

    ddf88c9e276bde10fe37215f370e7976f7874e7b047d038caf0f01f5d8ee7892

  • SHA512

    5805df845c7ce2dd2b635b27009686466d7e796b06034f49f71ce58dcb39b776f2406756c33ca928390d6135e34216cf97a0357366e033f70dd82bdf76b6cdf4

  • SSDEEP

    24576:pBomyGmzB8vM7f8TLOmuOY6yY6stYCvqUC03kA:pBomHYB80byLOmun656stYZc0A

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Azov family
  • Renames multiple (114) 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_c1535f3f7a386430a70201b36043a41b_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-06_c1535f3f7a386430a70201b36043a41b_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:4384

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/4384-0-0x000001D041A60000-0x000001D041A67000-memory.dmp

    Filesize

    28KB

  • memory/4384-1-0x000001D041A80000-0x000001D041A85000-memory.dmp

    Filesize

    20KB

  • memory/4384-2-0x000001D041A90000-0x000001D041A94000-memory.dmp

    Filesize

    16KB

  • memory/4384-5-0x000001D041A80000-0x000001D041A85000-memory.dmp

    Filesize

    20KB

  • memory/4384-6-0x000001D041A90000-0x000001D041A94000-memory.dmp

    Filesize

    16KB

  • memory/4384-7-0x000001D041A80000-0x000001D041A85000-memory.dmp

    Filesize

    20KB

  • memory/4384-12-0x000001D041A80000-0x000001D041A85000-memory.dmp

    Filesize

    20KB