Overview

overview

10

Static

static

10

2024-06-30...at.exe

windows7-x64

10

2024-06-30...at.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    30-06-2024 07:24

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General

  • Target

    2024-06-30_bde56933af564b982eea620666e01f9f_blackcat.exe

  • Size

    2.6MB

  • MD5

    bde56933af564b982eea620666e01f9f

  • SHA1

    9673da83493f56fcfcc8bd461106477886d9bc13

  • SHA256

    2b96baa58402a24a21ea2bdfee7f18aa3bfe6cbe0828666ed486a4ae50c5bf8f

  • SHA512

    1cdffacabca9a1b219a9937869d6c119585232a95721355c34c579dc6560b402b1443408283395793614e545b2cd393e95c47434e21840305045c02fbca98cb0

  • SSDEEP

    24576:r6ajuX0NtuqQEpjTFnUAs4wY2MjRdbAkFnBlPapEsNoj/iYxu9/FjlxewQV:rRqaaAj2MddckXlPiG/iKu9/ZPRQ

Score
10/10
blackcatexpirobackdoorransomware

Malware Config

Extracted

Family

blackcat

Credentials
  • Username:
    KELLERSUPPLY\Administrator
  • Password:
    d@gw00d
  • Username:
    KELLERSUPPLY\AdminRecovery
  • Password:
    K3ller!$Supp1y
  • Username:
    .\Administrator
  • Password:
    d@gw00d
  • Username:
    .\Administrator
  • Password:
    K3ller!$Supp1y
Attributes
  • enable_network_discovery

    true

  • enable_self_propagation

    false

  • enable_set_wallpaper

    true

  • extension

    sykffle

  • note_file_name

    RECOVER-${EXTENSION}-FILES.txt

  • note_full_text

    >> Introduction Important files on your system was ENCRYPTED and now they have have "${EXTENSION}" extension. In order to recover your files you need to follow instructions below. >> Sensitive Data Sensitive data on your system was DOWNLOADED and it will be PUBLISHED if you refuse to cooperate. Data includes: - Employees personal data, CVs, DL, SSN. - Complete network map including credentials for local and remote services. - Financial information including clients data, bills, budgets, annual reports, bank statements. - Complete datagrams/schemas/drawings for manufacturing in solidworks format - And more... Private preview is published here: http://zujgzbu5y64xbmvc42addp4lxkoosb4tslf5mehnh7pvqjpwxn5gokyd.onion/b21e1fb6-ff88-425b-8339-3523179a1e3e/886cf430a907bbe9a3fd38fb704d524dbd199c1b042ad6f65dc72ad78704e21 >> CAUTION DO NOT MODIFY FILES YOURSELF. DO NOT USE THIRD PARTY SOFTWARE TO RESTORE YOUR DATA. YOU MAY DAMAGE YOUR FILES, IT WILL RESULT IN PERMANENT DATA LOSS. YOUR DATA IS STRONGLY ENCRYPTED, YOU CAN NOT DECRYPT IT WITHOUT CIPHER KEY. >> Recovery procedure Follow these simple steps to get in touch and recover your data: 1) Download and install Tor Browser from: https://torproject.org/ 2) Navigate to: http://mu75ltv3lxd24dbyu6gtvmnwybecigs5auki7fces437xvvflzva2nqd.onion/?access-key=${ACCESS_KEY}

rsa_pubkey.plain

Signatures

  • BlackCat

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

    ransomwareblackcat
  • Expiro, m0yv

    Expiro aka m0yv is a multi-functional backdoor written in C++.

    backdoorexpiro
  • Detects command variations typically used by ransomware 1 IoCs
  • Expiro payload 3 IoCs
    backdoor

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-30_bde56933af564b982eea620666e01f9f_blackcat.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-30_bde56933af564b982eea620666e01f9f_blackcat.exe"
    1⤵
      PID:2372

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/2372-0-0x0000000000697000-0x00000000006C7000-memory.dmp

      Filesize

      192KB

      Download

    • memory/2372-2-0x0000000000697000-0x00000000006C7000-memory.dmp

      Filesize

      192KB

      Download

    • memory/2372-3-0x0000000000400000-0x00000000006C7000-memory.dmp

      Filesize

      2.8MB

      Download