Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 12:48

General

  • Target

    2024-06-11_32a690c021208b450ac8c174fcf7300d_ryuk.exe

  • Size

    664KB

  • MD5

    32a690c021208b450ac8c174fcf7300d

  • SHA1

    7491b337541c9e9531b65a15e31c0e16ccc39796

  • SHA256

    4ba82612c95063996d8576ac96fb570845fc7826d5cdc571c24a07a3c967d0b8

  • SHA512

    9f3806b8e5c7c34fa71bb584a2322a2a4eab88818aaf4fb182bb48d48d57c670741659da295624c8b51773e1cc192c950eeeb0e1af1ae8e6d82b5300ca9ec669

  • SSDEEP

    12288:is9ge6iSoCU5qJSr1eFt1U1Mqee4e0qbDgsA7HUzTshDsZfvGmW:m8SoCU5qJSr1en18l4e0qbDgsKeT+so

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Renames multiple (593) 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\2024-06-11_32a690c021208b450ac8c174fcf7300d_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_32a690c021208b450ac8c174fcf7300d_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:3288

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/3288-0-0x0000020436160000-0x0000020436167000-memory.dmp

    Filesize

    28KB

  • memory/3288-1-0x0000020436180000-0x0000020436185000-memory.dmp

    Filesize

    20KB

  • memory/3288-5-0x0000020436180000-0x0000020436185000-memory.dmp

    Filesize

    20KB

  • memory/3288-9-0x0000020436180000-0x0000020436185000-memory.dmp

    Filesize

    20KB

  • memory/3288-14-0x0000020436180000-0x0000020436185000-memory.dmp

    Filesize

    20KB

  • memory/3288-21-0x0000020436180000-0x0000020436185000-memory.dmp

    Filesize

    20KB

  • memory/3288-11-0x00000204361A0000-0x00000204361A4000-memory.dmp

    Filesize

    16KB

  • memory/3288-4-0x00007FF730A40000-0x00007FF730AD7000-memory.dmp

    Filesize

    604KB

  • memory/3288-2-0x00000204361A0000-0x00000204361A4000-memory.dmp

    Filesize

    16KB