Overview

overview

10

Static

static

10

BlackCat_Config.exe

windows7-x64

10

BlackCat_Config.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 04:28

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General

  • Target
    BlackCat_Config.exe
  • Size 2.9MB
  • Sample240919-e3pmws1elk
  • SHA256 c5ad3534e1c939661b71f56144d19ff36e9ea365fdb47e4f8e2d267c39376486
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
blackcatdiscoveryransomware

Malware Config

Extracted

Family

  • blackcat

Credentials
  • Username

    CEKOK\comodo
  • Password

    Ngn2016!
Attributes
  • enable_network_discovery

    true

  • enable_self_propagation

    true

  • enable_set_wallpaper

    true

  • extension

    b5o8ph3

  • note_file_name

    RECOVER-${EXTENSION}-FILES.txt

  • note_full_text

    >> What happened? Important files on your network was ENCRYPTED and now they have "${EXTENSION}" extension. In order to recover your files you need to follow instructions below. >> CAUTION DO NOT MODIFY ENCRYPTED FILES YOURSELF. DO NOT USE THIRD PARTY SOFTWARE TO RESTORE YOUR DATA. YOU MAY DAMAGE YOUR FILES, IT WILL RESULT IN PERMANENT DATA LOSS. >> What should I do next? Follow these simple steps to get everything back to normal: 1) Download and install Tor Browser from: https://torproject.org/ 2) Navigate to: http://aoczppoxmfqqthtwlwi4fmzlrv6aor3isn6ffaiic55wrfumxslx3vyd.onion/?access-key=${ACCESS_KEY}

rsa_pubkey.plain

Signatures

  • BlackCat

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

    ransomwareblackcat
  • 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.

    discovery

Processes

  • C:\Users\Admin\AppData\Local\Temp\BlackCat_Config.exe
    "C:\Users\Admin\AppData\Local\Temp\BlackCat_Config.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:3528

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/3528-0-0x0000000000400000-0x00000000006F6000-memory.dmp
        Download