Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2024 03:51

General

  • Target

    2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe

  • Size

    664KB

  • MD5

    e260b5fe5606aea8cf2c4ee7270c8e9c

  • SHA1

    00b7e0dc76790e4229191dcb068dba66bfb05654

  • SHA256

    cc9914ae1f6dec97bc9f7d957a71b4458e8398a8dcaa10e57083a8605fd7d6b6

  • SHA512

    4330f6a075ffb2a6339ab5ce2967a15189f5b0b292940ed0b88c8c428c260dfa9e91858f1fde1229ef4f4765ea1cf57fbbdaaa3550bd8785099b64d1fc5a1e04

  • SSDEEP

    12288:us9AfkcSoCU5qJSr1eaVQUBsOeHDUOiEIg3AYHUzTshmh0D3:O/SoCU5qJSr1eIQAwDUOiEIg3NeTd2L

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Renames multiple (588) files with added filename extension

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

  • Reads user/profile data of web browsers 2 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\2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:3184

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/3184-3-0x000001DD7C920000-0x000001DD7C925000-memory.dmp

    Filesize

    20KB

  • memory/3184-9-0x000001DD7C900000-0x000001DD7C907000-memory.dmp

    Filesize

    28KB

  • memory/3184-14-0x000001DD7C920000-0x000001DD7C925000-memory.dmp

    Filesize

    20KB

  • memory/3184-11-0x000001DD7C930000-0x000001DD7C934000-memory.dmp

    Filesize

    16KB

  • memory/3184-10-0x000001DD7C920000-0x000001DD7C925000-memory.dmp

    Filesize

    20KB

  • memory/3184-2-0x00007FF62B3D0000-0x00007FF62B467000-memory.dmp

    Filesize

    604KB

  • memory/3184-0-0x000001DD7C930000-0x000001DD7C934000-memory.dmp

    Filesize

    16KB