Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 16:03

General

  • Target

    2024-09-23_9fb28246a02994cd745c6881065f0fb6_blackcat_maui_nokoyawa_venus-locker_wannacry.exe

  • Size

    13.9MB

  • MD5

    9fb28246a02994cd745c6881065f0fb6

  • SHA1

    b2cc8f434e6fb012dbdae89d7c8b1d8ea95a7ad3

  • SHA256

    d8e9e06b7adea939bcc135876f4e8a1d3719120e8ad9d4d72812ffd1dbee62fc

  • SHA512

    134416ccd29ce4fcd4db8116112884581020ac289f9813ad5c399c5d2aa963b1a8f23c8cb1ec4028c596e8112a2e51dbc222cca5156ae0da824b20f223427f3e

  • SSDEEP

    98304:aRqeZPPm0Rgmt7M17Lu1zdfj7zyg5oo5AZx8U8qPoBhLTlL4DQWVYHL9fu4h84Mu:aMygJ9edfbhSo5Kp8qPKlL8QgYVhqhG

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Renames multiple (380) 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\2024-09-23_9fb28246a02994cd745c6881065f0fb6_blackcat_maui_nokoyawa_venus-locker_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-23_9fb28246a02994cd745c6881065f0fb6_blackcat_maui_nokoyawa_venus-locker_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:3852

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/3852-3-0x0000000000810000-0x0000000000815000-memory.dmp

    Filesize

    20KB

  • memory/3852-2-0x0000000140000000-0x000000014003E000-memory.dmp

    Filesize

    248KB

  • memory/3852-6-0x0000000000820000-0x0000000000824000-memory.dmp

    Filesize

    16KB

  • memory/3852-5-0x0000000000810000-0x0000000000815000-memory.dmp

    Filesize

    20KB

  • memory/3852-4-0x00000000007F0000-0x00000000007F7000-memory.dmp

    Filesize

    28KB

  • memory/3852-0-0x0000000000820000-0x0000000000824000-memory.dmp

    Filesize

    16KB

  • memory/3852-12-0x0000000000810000-0x0000000000815000-memory.dmp

    Filesize

    20KB