Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 14:23

General

  • Target

    scenario_458102___6154349c-ec05-49af-bb8a-24e83b03e5fc.exe

  • Size

    2.9MB

  • MD5

    c6901bc6720e1e30c6c2e89aae874a90

  • SHA1

    783b2b053ef0345710cd2487e5184f29116e367c

  • SHA256

    13828b390d5f58b002e808c2c4f02fdd920e236cc8015480fa33b6c1a9300e31

  • SHA512

    64647585b838fa91c545219350b58609f90fa4817bd8848e4af0b71c98e6d340dc011abe405ce6f044cb5a99acfacdc8bd212ea7289b002ab8285aa42e9008fb

  • SSDEEP

    49152:4dwE1vCCeShiBHJFIPiEPE3bvk6Ca89388YhwjfJNu/RgaJ2wtb:WwE1253IPiYE3bnCa8HzjOvwwtb

Malware Config

Extracted

Family

blackcat

Credentials
  • Username:
    NANOFOCUS.LOCAL\Administrator
  • Password:
    368CkbIna?#
Attributes
  • enable_network_discovery

    true

  • enable_self_propagation

    true

  • enable_set_wallpaper

    true

  • extension

    mfqssdj

  • note_file_name

    RECOVER-${EXTENSION}-FILES.txt

  • note_full_text

    >> What happened? Important files on your network was ENCRYPTED and now they have "${EXTENSION}" extension. In order to recover your files you need to follow instructions below. >> Sensitive Data Sensitive data on your system was DOWNLOADED. If you DON'T WANT your sensitive data to be PUBLISHED you have to act quickly. Data includes: - Employees personal data, CVs, DL, SSN. - Complete network map including credentials for local and remote services. - Private financial information including: clients data, bills, budgets, annual reports, bank statements. - Manufacturing documents including: datagrams, schemas, drawings in solidworks format. - Source code. -And more... >> CAUTION DO NOT MODIFY ENCRYPTED FILES YOURSELF. DO NOT USE THIRD PARTY SOFTWARE TO RESTORE YOUR DATA. YOU MAY DAMAGE YOUR FILES, IT WILL RESULT IN PERMANENT DATA LOSS. >> What should I do next? Follow these simple steps to get everything back to normal: 1) Download and install Tor Browser from: https://torproject.org/ 2) Navigate to: http://b4twqa2mvob3s6uvuyfra5xk3qgps2v5kkt7k2qnb7rpdu3j4fkntead.onion/?access-key=${ACCESS_KEY}

rsa_pubkey.plain

Signatures

  • BlackCat

    A Rust-based ransomware sold as RaaS first seen in late 2021.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\scenario_458102___6154349c-ec05-49af-bb8a-24e83b03e5fc.exe
    "C:\Users\Admin\AppData\Local\Temp\scenario_458102___6154349c-ec05-49af-bb8a-24e83b03e5fc.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2064-0-0x0000000000400000-0x00000000006F4000-memory.dmp

    Filesize

    3.0MB