Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2025, 18:44

General

  • Target

    2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe

  • Size

    664KB

  • MD5

    0eaf36d5491c37259fd5c5a9c598efa5

  • SHA1

    179629db3e7e97ea78c688e7e9e714eabd9afa3b

  • SHA256

    799a339ff96d71df707fdf08357a290f97704587a224d7d1583de3405758c431

  • SHA512

    a39e70430f20c8861725ccd57a26bb3b39bc0d4b74f2076439e681c054a3d759a30fa807b154cdba24e25b577c8d21e29d5095952a6e6e8f34641bdb51b7ce53

  • SSDEEP

    12288:+s9zbXgSoCU5qJSr1e21UCYrn2IulPIgtAKHUzTshTZcZDoVpmA:lkSoCU5qJSr1e21K2IulPIgtbeT4VJ

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Azov family
  • Renames multiple (1481) 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_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:2532

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/2532-0-0x00000000000D0000-0x00000000000D7000-memory.dmp

    Filesize

    28KB

  • memory/2532-1-0x00000000000F0000-0x00000000000F5000-memory.dmp

    Filesize

    20KB

  • memory/2532-2-0x0000000000110000-0x0000000000114000-memory.dmp

    Filesize

    16KB

  • memory/2532-4-0x0000000000110000-0x0000000000114000-memory.dmp

    Filesize

    16KB

  • memory/2532-5-0x000000013FAE0000-0x000000013FB77000-memory.dmp

    Filesize

    604KB

  • memory/2532-14-0x00000000000F0000-0x00000000000F5000-memory.dmp

    Filesize

    20KB

  • memory/2532-12-0x00000000000F0000-0x00000000000F5000-memory.dmp

    Filesize

    20KB

  • memory/2532-7-0x00000000000F0000-0x00000000000F5000-memory.dmp

    Filesize

    20KB