Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 23:40

General

  • Target

    ca57455fd148754bf443a2c8b06dc2a295f014b071e3990dd99916250d21bc75.exe

  • Size

    546KB

  • MD5

    e4179bca5bf5b1fd51172d629f5521f8

  • SHA1

    488e532e55100da68eaeee30ba342cc05810e296

  • SHA256

    ca57455fd148754bf443a2c8b06dc2a295f014b071e3990dd99916250d21bc75

  • SHA512

    9370d3a2b8d118de6396909b0ca3c1e62e374020ddb0c8a94713f0b596391f20008797509abf300f2241327fe1bfa3338623a56b9be55bd013b6b56e26430035

  • SSDEEP

    12288:eE+eJEf0D+DKSu2eyFS5QBjzLHbhlCKCyTHxTwztt0v93aOy1032Du4IafBEqJX:KC8bbE0wFH

Malware Config

Extracted

Path

C:\Program Files\DVD Maker\it-IT\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. Download Tor browser - https://www.torproject.org/ and install it. | 2. Open link in TOR browser - http://lockbitks2tvnmwk.onion/?92727EE520AEBC7DE61DD5669CB9F129 This link only works in Tor Browser! | 3. Follow the instructions on this page ### Attention! ### # 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 !!! We also download huge amount of your private data, including finance information, clients personal info, network diagrams, passwords and so on. Don't forget about GDPR.
URLs

http://lockbitks2tvnmwk.onion/?92727EE520AEBC7DE61DD5669CB9F129

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Lockbit family
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Renames multiple (9289) files with added filename extension

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

  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca57455fd148754bf443a2c8b06dc2a295f014b071e3990dd99916250d21bc75.exe
    "C:\Users\Admin\AppData\Local\Temp\ca57455fd148754bf443a2c8b06dc2a295f014b071e3990dd99916250d21bc75.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Adds Run key to start application
      • Enumerates connected drives
      • Sets desktop wallpaper using registry
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2572
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2460
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:2772
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2036
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2952
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2636
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:1052
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" & Del /f /q "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:1708
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.7 -n 3
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2188
        • C:\Windows\SysWOW64\fsutil.exe
          fsutil file setZeroData offset=0 length=524288 "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
          4⤵
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          PID:1372
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 4796
        3⤵
        • Program crash
        PID:2092
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2864
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2996
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:772
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:1216

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\DVD Maker\it-IT\Restore-My-Files.txt

        Filesize

        1KB

        MD5

        8bda5f737ea06d77155b966c2da32a34

        SHA1

        da25589db2724b12cb743708104ffab6434b242d

        SHA256

        4824f561af84a4cd8a055b6720678ea89bd3a812d92c60d8a200443ea0b9856e

        SHA512

        e60d0aae5f30bacd55d4cdb5c176da52c68c80812ae77f0dbf8cab8a370423af2642fb5ceaa7dfc6716b8a75e103ffa6ab699c2105e3e71bcb523b0b63bfd8ee

      • memory/2404-8-0x0000000074D40000-0x00000000752EB000-memory.dmp

        Filesize

        5.7MB

      • memory/2404-1-0x0000000074D40000-0x00000000752EB000-memory.dmp

        Filesize

        5.7MB

      • memory/2404-2-0x0000000074D40000-0x00000000752EB000-memory.dmp

        Filesize

        5.7MB

      • memory/2404-0-0x0000000074D41000-0x0000000074D42000-memory.dmp

        Filesize

        4KB

      • memory/2572-16-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-26-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-11-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-12-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-23-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-22-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-21-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-19-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-18-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-25-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-24-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-5-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-20-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-7-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-3-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-1741-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-2085-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-2088-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-2087-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-2086-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-2084-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-8697-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-8703-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-9284-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-9278-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-9275-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-9271-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2572-10823-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB