Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2025, 06:07

General

  • Target

    2025-03-06_9f15b01122f03e963738824899567821_ryuk.exe

  • Size

    664KB

  • MD5

    9f15b01122f03e963738824899567821

  • SHA1

    7ca04e63a702c9009254120bd994fbc8f804ae12

  • SHA256

    b7f505a178382da50c6b762a5203998bc58c73cc900637db2c05ffd009e8d989

  • SHA512

    9f082ec91b03b5d1494a24ac389e0ff62c0488ee33ea3b4c332de05c2e792b552d7c5638592bd37c9ad4a436bc9b13976e9a7c86d42b60ef056ccf72b9b17289

  • SSDEEP

    12288:/s9fQyrSoCU5qJSr1eycUVwIfAXD1L9geAdHUzTshqS8WNMmn2sQ8z:wvSoCU5qJSr1eyceYXD1L9gekeTW8WNR

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Azov family
  • Renames multiple (121) files with added filename extension

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

  • 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_9f15b01122f03e963738824899567821_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-06_9f15b01122f03e963738824899567821_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:2188

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/2188-4-0x0000000000100000-0x0000000000104000-memory.dmp

    Filesize

    16KB

  • memory/2188-3-0x00000000000F0000-0x00000000000F5000-memory.dmp

    Filesize

    20KB

  • memory/2188-2-0x00000000000D0000-0x00000000000D7000-memory.dmp

    Filesize

    28KB

  • memory/2188-0-0x0000000000100000-0x0000000000104000-memory.dmp

    Filesize

    16KB

  • memory/2188-5-0x000000013F250000-0x000000013F2E7000-memory.dmp

    Filesize

    604KB

  • memory/2188-10-0x00000000000F0000-0x00000000000F5000-memory.dmp

    Filesize

    20KB

  • memory/2188-16-0x00000000000F0000-0x00000000000F5000-memory.dmp

    Filesize

    20KB