General

  • Target
    https://github.com/Zusyaku/Malware-Collection-Part-2/blob/main/BlackCatRansomware.rar
  • Sample260902-lgts2syflf

Malware Config

Extracted

Family
  • blackcat

Credentials
  • Username

    CREDITONE\Administrator

  • Password

    K3ny@2009

Credentials
  • Username

    CREDITONE\bexec

  • Password

    CloneD1sk4Song$%

Credentials
  • Username

    CREDITONE\KLarry

  • Password

    Kl..2021

Credentials
  • Username

    CREDITONE\BKuhl

  • Password

    Gromit2021!

Credentials
  • Username

    CREDITONE\rlopez

  • Password

    Victoria7856!

Credentials
  • Username

    CREDITONE\EJaramilla

  • Password

    1LoveVeros4

Credentials
  • Username

    .\Administrator

  • Password

    $fiji12$

Attributes
  • enable_network_discovery

    true

  • enable_self_propagation

    true

  • enable_set_wallpaper

    true

  • extension

    7954i9r

  • note_file_name

    RECOVER-${EXTENSION}-FILES.txt

  • note_full_text

    >> Introduction Important files on your system was ENCRYPTED and now they have have "${EXTENSION}" extension. In order to recover your files you need to follow instructions below. >> Sensitive Data Sensitive data on your system was DOWNLOADED and it will be PUBLISHED if you refuse to cooperate. Data includes: - Employees personal data, CVs, DL, SSN. - Complete network map including credentials for local and remote services. - Financial information including clients data, bills, budgets, annual reports, bank statements. - Complete datagrams/schemas/drawings for manufacturing in solidworks format - And more... Private preview is published here: http://alphvmmm27o3abo3r2mlmjrpdmzle3rykajqc5xsj7j7ejksbpsa36ad.onion/336eb50d-ebf8-436b-937d-ec075de46e7f/419ef3f950d9f346cf86db56db453539dcd51567ea871728e78dbc9918c7efeb >> CAUTION DO NOT MODIFY FILES YOURSELF. DO NOT USE THIRD PARTY SOFTWARE TO RESTORE YOUR DATA. YOU MAY DAMAGE YOUR FILES, IT WILL RESULT IN PERMANENT DATA LOSS. YOUR DATA IS STRONGLY ENCRYPTED, YOU CAN NOT DECRYPT IT WITHOUT CIPHER KEY. >> Recovery procedure Follow these simple steps to get in touch and recover your data: 1) Download and install Tor Browser from: https://torproject.org/ 2) Navigate to: http://sty5r4hhb5oihbq2mwevrofdiqbgesi66rvxr5sr573xgvtuvr4cs5yd.onion/?access-key=${ACCESS_KEY}

rsa_pubkey.plain

Targets

    • Target
      https://github.com/Zusyaku/Malware-Collection-Part-2/blob/main/BlackCatRansomware.rar
    • Family: BlackCat

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

    • Downloads MZ/PE file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

MITRE ATT&CK Enterprise v16

Tasks