Analysis

  • max time kernel
    120s
  • max time network
    122s
  • 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

    5072678821b490853eff0a97191f262c4e8404984dd8d5be1151fef437ca26db.exe

  • Size

    546KB

  • MD5

    8ab0375228416b89becff72a0ae40654

  • SHA1

    75f06b636efe53360287c0ff1f51ea7de1e7c8b5

  • SHA256

    5072678821b490853eff0a97191f262c4e8404984dd8d5be1151fef437ca26db

  • SHA512

    c9f500f347b3b35beeecc1b7ab9fda273a149376d488f68eb456a5625e9c5bf541d85ddbdd7c127c9d92406d9ea9e7d15aae9d4d4c518bce926a55bf1b106277

  • SSDEEP

    12288:+SEQeJEf0D+DKSu2eyFS5QBjzLHbhlCKCyTHxTwztt0v93aOy1032Du4IafBEqJX:+gC8bbE0wFH

Malware Config

Extracted

Path

C:\Program Files\DVD Maker\fr-FR\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/?92727EE520AEBC7DDF4525CBD70CDE0E 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/?92727EE520AEBC7DDF4525CBD70CDE0E

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 (9209) 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\5072678821b490853eff0a97191f262c4e8404984dd8d5be1151fef437ca26db.exe
    "C:\Users\Admin\AppData\Local\Temp\5072678821b490853eff0a97191f262c4e8404984dd8d5be1151fef437ca26db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1096
    • 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:2532
      • 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:2300
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:2904
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2104
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1160
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1704
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:780
      • 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:4680
        • 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:4120
        • 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:4496
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 700
        3⤵
        • Program crash
        PID:2944
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2628
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1356
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2820
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:1812

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\DVD Maker\fr-FR\Restore-My-Files.txt

        Filesize

        1KB

        MD5

        18e6d52d181849c39e18501a71f0e2de

        SHA1

        80aea49dd0e23dea1edaf3a516e84a21af1f6c36

        SHA256

        bb727334b5399f64111ad253dbf89fe40cb8ccb9c71b5cce0c3a939bcb0ad0ea

        SHA512

        9aa586d97d856baa08dce7a4e1b49b0c7b21e6770615fbafcaa6321a11b8dda6289fd3b94dcb6d65d4d418c953960b47b863ad6f9f544b26375260f8cf3bcec0

      • memory/1096-6-0x00000000740C0000-0x00000000747AE000-memory.dmp

        Filesize

        6.9MB

      • memory/1096-1-0x0000000001090000-0x000000000111E000-memory.dmp

        Filesize

        568KB

      • memory/1096-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

        Filesize

        4KB

      • memory/2532-1317-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-1315-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-10-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-19-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-11-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-21-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-20-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-18-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-17-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-15-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-22-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-23-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-27-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-4-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-2-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-1316-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-1318-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-7-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-1338-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-1336-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-1335-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-1319-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-1714-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6560-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6567-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6757-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6759-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6758-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6753-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6749-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6741-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6740-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6734-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-6730-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2532-10828-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB