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Overview

overview

10

Static

static

lkb99.exe

windows7_x64

10

lkb99.exe

windows10_x64

10

Resubmissions

23/01/2024, 18:31

240123-w58bfsfbd5 10

17/11/2020, 06:46

201117-dxqz14h7v2 10

Analysis

  • max time kernel
    51s
  • max time network
    68s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17/11/2020, 06:46

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General

  • Target

    lkb99.exe

  • Size

    552KB

  • MD5

    b4d493ac4428abf9aed55dc444d2073f

  • SHA1

    6948fd344891e36799a80d6828e42b09ca553b7a

  • SHA256

    41c611528db77b92eb0e0602215e63e6c2d7efbf1a11f980c514eb31ce9266c3

  • SHA512

    c4ab19333856e0c8f6a842c64967a9c1fc9ae3a24efc067b0cfe764ef4c8c97236a8afff64ebc983cade3e2775c93a3a35316bea9a6c9b1d4ecfa0acda224e75

Score
10/10
lockbitpersistenceransomware

Malware Config

Extracted

Path

C:\odt\Restore-My-Files.txt

Family

lockbit

Ransom Note
All your important files are encrypted! Any attempts to restore your files with the thrid-party software will be fatal for your files! RESTORE YOU DATA POSIBLE ONLY BUYING private key from us. There is only one way to get your files back: 1) Through a standard browser(FireFox, Chrome, Edge, Opera) | 1. Open link http://lockbit-decryptor.top/?8841DD9B0AC925FFB6624974556F6F4D | 2. Follow the instructions on this page 2) Through a Tor Browser - recommended | 1. Download Tor browser - https://www.torproject.org/ and install it. | 2. Open link in TOR browser - http://lockbitks2tvnmwk.onion/?8841DD9B0AC925FFB6624974556F6F4D This link only works in Tor Browser! | 3. Follow the instructions on this page ### Attention! ### # lockbit-decryptor.top may be blocked. We recommend using a Tor browser to access the site # Do not rename encrypted files. # Do not try to decrypt using third party software, it may cause permanent data loss. # Decryption of your files with the help of third parties may cause increased price(they add their fee to our). # Tor Browser may be blocked in your country or corporate network. Use https://bridges.torproject.org or use Tor Browser over VPN. # Tor Browser user manual https://tb-manual.torproject.org/about
URLs

http://lockbit-decryptor.top/?8841DD9B0AC925FFB6624974556F6F4D

http://lockbitks2tvnmwk.onion/?8841DD9B0AC925FFB6624974556F6F4D

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 20 IoCs
  • Drops file in Program Files directory 224 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lkb99.exe
    "C:\Users\Admin\AppData\Local\Temp\lkb99.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 948 -s 1420
      2⤵
      • Program crash
      PID:1656
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet
      2⤵
        PID:3752

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/948-3-0x00000000040A0000-0x00000000040A1000-memory.dmp

      Filesize

      4KB

      Download