Overview

overview

10

Static

static

b3175331_b...is.exe

windows7_x64

10

b3175331_b...is.exe

windows10_x64

10

Sharing

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General

  • Target

    b3175331_by_Libranalysis

  • Size

    146KB

  • Sample

    210506-wz4yy86j9j

  • MD5

    b3175331ae74ee277e94d3e0bc982bf4

  • SHA1

    db0731d693a1ac46706825dcb91193ae4efec482

  • SHA256

    d5ea463e0719ee2d1705ff305cdd8529bd2ff23dde79c502c4f478937a91f874

  • SHA512

    38318d3e6461b72c6111e96c4d5aab830e5824b8ef762360d894ea67d9e16b12d54087f7f0fcc8c579824753df039b137294ba6abab0171e294f2c538cc6fa8a

Score
10/10
lockbitevasionpersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\7-Zip\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/?8B87A11BCEAB4AA5A78753A51BA078A4 | 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/?8B87A11BCEAB4AA5A78753A51BA078A4 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/?8B87A11BCEAB4AA5A78753A51BA078A4

http://lockbitks2tvnmwk.onion/?8B87A11BCEAB4AA5A78753A51BA078A4

Extracted

Path

C:\Users\Admin\Desktop\LockBit-note.hta

Ransom Note
Lock BIT 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: Through a standard browser Open link - http://lockbit-decryptor.top/?8B87A11BCEAB4AA5A78753A51BA078A4 Follow the instructions on this page Through a recommended Download Tor Browser - https://www.torproject.org/ and install it. Open link in Tor Browser - http://lockbitks2tvnmwk.onion/?8B87A11BCEAB4AA5A78753A51BA078A4 This link only works in Tor Browser! Follow the instructions on this page 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.top/?8B87A11BCEAB4AA5A78753A51BA078A4

http://lockbitks2tvnmwk.onion/?8B87A11BCEAB4AA5A78753A51BA078A4

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/?8B87A11BCEAB4AA5CFA3F7DE8D570CD4 | 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/?8B87A11BCEAB4AA5CFA3F7DE8D570CD4 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/?8B87A11BCEAB4AA5CFA3F7DE8D570CD4

http://lockbitks2tvnmwk.onion/?8B87A11BCEAB4AA5CFA3F7DE8D570CD4

Extracted

Path

C:\Users\Admin\Desktop\LockBit-note.hta

Ransom Note
Lock BIT 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: Through a standard browser Open link - http://lockbit-decryptor.top/?8B87A11BCEAB4AA5CFA3F7DE8D570CD4 Follow the instructions on this page Through a recommended Download Tor Browser - https://www.torproject.org/ and install it. Open link in Tor Browser - http://lockbitks2tvnmwk.onion/?8B87A11BCEAB4AA5CFA3F7DE8D570CD4 This link only works in Tor Browser! Follow the instructions on this page 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.top/?8B87A11BCEAB4AA5CFA3F7DE8D570CD4

http://lockbitks2tvnmwk.onion/?8B87A11BCEAB4AA5CFA3F7DE8D570CD4

Targets

    • Target

      b3175331_by_Libranalysis

    • Size

      146KB

    • MD5

      b3175331ae74ee277e94d3e0bc982bf4

    • SHA1

      db0731d693a1ac46706825dcb91193ae4efec482

    • SHA256

      d5ea463e0719ee2d1705ff305cdd8529bd2ff23dde79c502c4f478937a91f874

    • SHA512

      38318d3e6461b72c6111e96c4d5aab830e5824b8ef762360d894ea67d9e16b12d54087f7f0fcc8c579824753df039b137294ba6abab0171e294f2c538cc6fa8a

    Score
    10/10
    lockbitevasionpersistenceransomware

    • Lockbit

      Ransomware family with multiple variants released since late 2019.

      ransomwarelockbit

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Deletes itself

    • 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.

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1
T1059

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

3
T1107

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Defacement

1
T1491

Tasks