Overview

overview

10

Static

static

3

2026-04-23...op.exe

windows10-2004-x64

10

2026-04-23...op.exe

windows11-21h2-x64

9

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-04-23_5024e0bb40a81c3d30ae0ad1b41d8175_elex_rhadamanthys_stealc_stop
  • Size 300KB
  • Sample260423-cf6xjsf171
  • SHA256 77e295d3a2c17adcef4deb5a0fecc2d37f3d3f2e0f845944dd281a56c16a310f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
lockbitdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomware

Malware Config

Extracted

Path

  • C:\Program Files\dotnet\Restore-My-Files.txt

  • 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.com/?8DB8A3AE8B247095C4622F7DAF86BAE4 | 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/?8DB8A3AE8B247095C4622F7DAF86BAE4 This link only works in Tor Browser! | 3. Follow the instructions on this page ### Attention! ### # lockbit-decryptor.com 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.com/?8DB8A3AE8B247095C4622F7DAF86BAE4

  • http://lockbitks2tvnmwk.onion/?8DB8A3AE8B247095C4622F7DAF86BAE4

Targets

    • Target
      2026-04-23_5024e0bb40a81c3d30ae0ad1b41d8175_elex_rhadamanthys_stealc_stop
    • Size 300KB
    • SHA256 77e295d3a2c17adcef4deb5a0fecc2d37f3d3f2e0f845944dd281a56c16a310f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryevasionexecutionlockbitimpactpersistenceransomware

    • Family: Lockbit

      Ransomware family with multiple variants released since late 2019.

      ransomwarelockbit

    • Clears Windows event logs

      defense_evasionransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution
    • Custom signature

      Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Custom signature

      Detects command variations typically used by ransomware

    • Custom signature

      Detects executables containing anti-forensic artifacts of deleting USN change journal. Observed in r

    • Custom signature

      Detects executables containing commands for clearing Windows Event Logs

    • Custom signature

      Detects executables containing many references to VEEAM. Observed in ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (3455) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks