Analysis

  • max time kernel
    147s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15-04-2022 06:49

General

  • Target

    97dc0777cadf1db157c5bb345a82a0757da92eb21d6a7402e11ea3e2d6209605.exe

  • Size

    152KB

  • MD5

    d6404f089ef2bfb45a8a890fdb30b980

  • SHA1

    e7a5369e72ecc7b013b124a8c2ada9918a3ef930

  • SHA256

    97dc0777cadf1db157c5bb345a82a0757da92eb21d6a7402e11ea3e2d6209605

  • SHA512

    36a3ef42420beaacac79d7d2863ec7f67f83be7ad8c9863fede4d84ad79d093a1d103ad8989bb60fb9f7db09a7558429d141768fcdca49b91789be43dcbe0426

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/?9B7FDA8D33FEC3F9C80E2F8C607C5BB0 | 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/?9B7FDA8D33FEC3F9C80E2F8C607C5BB0 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/?9B7FDA8D33FEC3F9C80E2F8C607C5BB0

http://lockbitks2tvnmwk.onion/?9B7FDA8D33FEC3F9C80E2F8C607C5BB0

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

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

    Uses wbadmin.exe to inhibit system recovery.

  • 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
  • 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.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97dc0777cadf1db157c5bb345a82a0757da92eb21d6a7402e11ea3e2d6209605.exe
    "C:\Users\Admin\AppData\Local\Temp\97dc0777cadf1db157c5bb345a82a0757da92eb21d6a7402e11ea3e2d6209605.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:3756
    • 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:4372
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4516
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4360
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4712
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:4696
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2848
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4776
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:3876
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4448

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    File Deletion

    3
    T1107

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Impact

    Inhibit System Recovery

    4
    T1490

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2652-134-0x0000000000000000-mapping.dmp
    • memory/3756-130-0x0000000003248000-0x000000000325F000-memory.dmp
      Filesize

      92KB

    • memory/3756-131-0x0000000003248000-0x000000000325F000-memory.dmp
      Filesize

      92KB

    • memory/3756-132-0x0000000003150000-0x0000000003176000-memory.dmp
      Filesize

      152KB

    • memory/3756-133-0x0000000000400000-0x0000000002FB1000-memory.dmp
      Filesize

      43.7MB

    • memory/4360-137-0x0000000000000000-mapping.dmp
    • memory/4372-135-0x0000000000000000-mapping.dmp
    • memory/4516-136-0x0000000000000000-mapping.dmp
    • memory/4696-139-0x0000000000000000-mapping.dmp
    • memory/4712-138-0x0000000000000000-mapping.dmp