Overview

overview

10

Static

static

dc76447da0...81.exe

windows7_x64

10

dc76447da0...81.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-05-2022 05:53

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General

  • Target

    dc76447da03688f4c411a9fc4e873aa73d9210cfc2efb524f2bcc95fa5a35e81.exe

  • Size

    194KB

  • MD5

    5e6d55651cbc4c4759c487bc7c8431bc

  • SHA1

    d233f81a38c263357dddf846144ef970c46bccbe

  • SHA256

    dc76447da03688f4c411a9fc4e873aa73d9210cfc2efb524f2bcc95fa5a35e81

  • SHA512

    32b2cbc4bf04ffc28153e1cb688a7d1aed4f5ac66ff32152e58bfce8d02258cef2596e714265a6cb90ca3e9c2b3ccdd9b4e52cef8871d05054d0996ed633e889

Score
10/10
lockbitevasionpersistenceransomware

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/?96B283EF5B7ACD4C956975D05400DE35 | 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/?96B283EF5B7ACD4C956975D05400DE35 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/?96B283EF5B7ACD4C956975D05400DE35

http://lockbitks2tvnmwk.onion/?96B283EF5B7ACD4C956975D05400DE35

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
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc76447da03688f4c411a9fc4e873aa73d9210cfc2efb524f2bcc95fa5a35e81.exe
    "C:\Users\Admin\AppData\Local\Temp\dc76447da03688f4c411a9fc4e873aa73d9210cfc2efb524f2bcc95fa5a35e81.exe"
    1⤵
    • Checks computer location settings
    • 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:1580
    • 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:5100
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3484
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4432
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4708
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2328
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:1636
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4556
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4140
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:4796
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:3316

      Network

      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

      1
      T1112

      Credential Access

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      4
      T1490

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1580-130-0x0000000000A78000-0x0000000000A8F000-memory.dmp
        Filesize

        92KB

        Download
      • memory/1580-131-0x0000000002400000-0x0000000002426000-memory.dmp
        Filesize

        152KB

        Download
      • memory/1580-132-0x0000000000400000-0x00000000007ED000-memory.dmp
        Filesize

        3.9MB

        Download
      • memory/1636-138-0x0000000000000000-mapping.dmp
        Download
      • memory/2328-137-0x0000000000000000-mapping.dmp
        Download
      • memory/3484-134-0x0000000000000000-mapping.dmp
        Download
      • memory/4432-135-0x0000000000000000-mapping.dmp
        Download
      • memory/4708-136-0x0000000000000000-mapping.dmp
        Download
      • memory/5100-133-0x0000000000000000-mapping.dmp
        Download