Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31/01/2025, 00:28

General

  • Target

    2025-01-31_c709fcc8767c92ca14f080705c228931_ryuk.exe

  • Size

    1.4MB

  • MD5

    c709fcc8767c92ca14f080705c228931

  • SHA1

    8508209071f716c458a0db37b8aeea8af506fcd9

  • SHA256

    02f0b0afafe30a1919124d206216267689456712153d62fb0c1a701ba798420e

  • SHA512

    10f9cd08a78e1d26fa7ff648356a11a6072fac65a36e3bf806e800b53e070f509cc0e96359e539597874f39762de6ab09652ca63f019250e4f1c2a3224923226

  • SSDEEP

    24576:CnVWepdnTz8+a2rEok143lqFcxM9q3N2fVevgw5Z0NBti3a:CnVWUNz8KrEo4PFcx4qd2fOgwf0NBn

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Azov family
  • 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 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-31_c709fcc8767c92ca14f080705c228931_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-31_c709fcc8767c92ca14f080705c228931_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1452 -s 160
      2⤵
        PID:2380

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1452-7-0x0000000000200000-0x0000000000205000-memory.dmp

      Filesize

      20KB

    • memory/1452-4-0x0000000000210000-0x0000000000214000-memory.dmp

      Filesize

      16KB

    • memory/1452-3-0x0000000000200000-0x0000000000205000-memory.dmp

      Filesize

      20KB

    • memory/1452-9-0x0000000000200000-0x0000000000205000-memory.dmp

      Filesize

      20KB

    • memory/1452-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

      Filesize

      24KB

    • memory/1452-0-0x0000000000210000-0x0000000000214000-memory.dmp

      Filesize

      16KB