Analysis

  • max time kernel
    94s
  • max time network
    146s
  • 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, 05:59

General

  • Target

    2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe

  • Size

    664KB

  • MD5

    8cb20120cbffa976277c992d2fc1c633

  • SHA1

    57971dc11c99c2261242e24058fb9528a6219f96

  • SHA256

    9f7fcc877645899abcf028022a04454d81b5f757c825500c2278fa84ba7799fd

  • SHA512

    e1a1aa76978e64fa9413974d271e602b76f8a6410c87c119f5a8a03eb52c85a8b3aac20928f2d0b3bf4c41485e2a2e9f0b4aafcf45ffd7b59c2f6e42276f6b91

  • SSDEEP

    12288:rs9hR66kSoCU5qJSr1eCyUZbOj39fyf4MgqAUHUzTshp1dIWcI:+ROSoCU5qJSr1eCyJZfyf4Mgq9eTsIJI

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Azov family
  • Renames multiple (384) files with added filename extension

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

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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_8cb20120cbffa976277c992d2fc1c633_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:4088

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/4088-2-0x00007FF61BDB0000-0x00007FF61BE47000-memory.dmp

    Filesize

    604KB

  • memory/4088-3-0x000001E381B10000-0x000001E381B15000-memory.dmp

    Filesize

    20KB

  • memory/4088-5-0x000001E381B10000-0x000001E381B15000-memory.dmp

    Filesize

    20KB

  • memory/4088-14-0x000001E381B10000-0x000001E381B15000-memory.dmp

    Filesize

    20KB

  • memory/4088-11-0x000001E381B20000-0x000001E381B24000-memory.dmp

    Filesize

    16KB

  • memory/4088-4-0x000001E380240000-0x000001E380247000-memory.dmp

    Filesize

    28KB

  • memory/4088-0-0x000001E381B20000-0x000001E381B24000-memory.dmp

    Filesize

    16KB