Analysis

  • max time kernel
    92s
  • max time network
    144s
  • 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, 22:06

General

  • Target

    2025-03-06_6047b9c8cc65c1c916615f790e9eafc6_ryuk.exe

  • Size

    664KB

  • MD5

    6047b9c8cc65c1c916615f790e9eafc6

  • SHA1

    416dba062f1bd8e9c22ed522a7b03678fa0eb927

  • SHA256

    d1b99dbc8275d3057af02f792dd6eaa8d57e8681e5591dfdd018363589543971

  • SHA512

    76b840b01548fa61c7890747f2dd3e98658f59ce9c6ebb337d27a862d854861f1b579e69b3536256ef2ea87c478159355f7da6ddc9ff29dcc4fb6d886732bd4e

  • SSDEEP

    12288:5s9r6+RpSoCU5qJSr1e+FU4ryvz5WDt8gMAlHUzTshvq7C1jwY:SXSoCU5qJSr1e+Fc75WDt8gMMeTGq7ij

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Azov family
  • Renames multiple (255) 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_6047b9c8cc65c1c916615f790e9eafc6_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-06_6047b9c8cc65c1c916615f790e9eafc6_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:3844

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/3844-3-0x000001CD85550000-0x000001CD85555000-memory.dmp

    Filesize

    20KB

  • memory/3844-1-0x000001CD85560000-0x000001CD85564000-memory.dmp

    Filesize

    16KB

  • memory/3844-6-0x000001CD85560000-0x000001CD85564000-memory.dmp

    Filesize

    16KB

  • memory/3844-7-0x000001CD85550000-0x000001CD85555000-memory.dmp

    Filesize

    20KB

  • memory/3844-12-0x000001CD85550000-0x000001CD85555000-memory.dmp

    Filesize

    20KB

  • memory/3844-4-0x00007FF727760000-0x00007FF7277F7000-memory.dmp

    Filesize

    604KB

  • memory/3844-0-0x000001CD83D80000-0x000001CD83D87000-memory.dmp

    Filesize

    28KB