Overview

overview

10

Static

static

9

a6d63a54b5...49.exe

windows7_x64

10

a6d63a54b5...49.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    4294223s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    15-03-2022 17:22

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General

  • Target

    a6d63a54b5be86d1874d96f25ef8e85c0683ea4d32796931f3241466589a3a49.exe

  • Size

    629KB

  • MD5

    551d134c5769726aa49edcf2881e3ab6

  • SHA1

    fbe0582e76999e1cb36c4fc330f60cbafa65081a

  • SHA256

    a6d63a54b5be86d1874d96f25ef8e85c0683ea4d32796931f3241466589a3a49

  • SHA512

    e13d966b7bccc7cf2a5b2043323a53c5c766dd7fc30b3633d2d34ae7efe2cdd75817aba78d39bcb128a02717224536ee24356ef5021171121d5966d3d275d6a2

Score
10/10
lockbitpersistenceransomware

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/?9B7FDA8D33FEC3F99DE5A3FAC03EF9BB | 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/?9B7FDA8D33FEC3F99DE5A3FAC03EF9BB 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/?9B7FDA8D33FEC3F99DE5A3FAC03EF9BB

http://lockbitks2tvnmwk.onion/?9B7FDA8D33FEC3F99DE5A3FAC03EF9BB

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6d63a54b5be86d1874d96f25ef8e85c0683ea4d32796931f3241466589a3a49.exe
    "C:\Users\Admin\AppData\Local\Temp\a6d63a54b5be86d1874d96f25ef8e85c0683ea4d32796931f3241466589a3a49.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1824
    • 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⤵
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2676
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2704

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1824-54-0x0000000000220000-0x0000000000246000-memory.dmp
    Filesize

    152KB

    Download
  • memory/1824-55-0x0000000075C31000-0x0000000075C33000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1824-56-0x0000000000400000-0x00000000004A7000-memory.dmp
    Filesize

    668KB

    Download