Analysis

  • max time kernel
    118s
  • 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

    286bffaa9c81abfb938fe65be198770c38115cdec95865a241f913769e9bfd3f.exe

  • Size

    765KB

  • MD5

    5cc28691fdaa505b8f453e3500e3d690

  • SHA1

    cb3fb57b5c70c3a2f30aa3af078bbb1cfdd1bf02

  • SHA256

    286bffaa9c81abfb938fe65be198770c38115cdec95865a241f913769e9bfd3f

  • SHA512

    0c4eb6a067456c91af908a4c2f77e84a80ba8d77682ba00b06a56af4062e2caf68cb7e63ef7500ae13a1bfa9a2062d838ecbc9aa418daf7faa9b0083f788d847

  • SSDEEP

    12288:A1kx1gjdatSK411nhuGvv6DuQ4yPcFy62eaFsvXPAVVRSPq2hvP:A1kfoatSK41dhuGvQgy6GWQxSvX

Malware Config

Extracted

Path

C:\Program Files\DVD Maker\de-DE\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/?C841D0BEAB3F0D599D0170E620EAB47D 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
URLs

http://lockbitks2tvnmwk.onion/?C841D0BEAB3F0D599D0170E620EAB47D

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 (7518) 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.

  • 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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 19 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\286bffaa9c81abfb938fe65be198770c38115cdec95865a241f913769e9bfd3f.exe
    "C:\Users\Admin\AppData\Local\Temp\286bffaa9c81abfb938fe65be198770c38115cdec95865a241f913769e9bfd3f.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • 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:1736
    • 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:2800
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3016
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:592
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1012
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1516
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2548
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3000
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1700
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2988
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:1640

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\DVD Maker\de-DE\Restore-My-Files.txt

        Filesize

        960B

        MD5

        de48278029bbe50d63069f8ccf493b03

        SHA1

        669f39a13013d08108c54a72e329f9eae39a3ab4

        SHA256

        c7af98d2de8714f42a4a186f6c4aec8032fbc0cb09550aed63b83c213a7ec1e6

        SHA512

        36652dd86642337d19fde6048167a48003d4f225d3cddbe9d4b29f28a39800cf665113fa557d51f45cf84a2dadc80da86a17a1c21ce7ac90e03e0434fc9cc69c

      • memory/1736-0-0x00000000004AE000-0x00000000004B1000-memory.dmp

        Filesize

        12KB

      • memory/1736-1-0x0000000000400000-0x00000000004D6000-memory.dmp

        Filesize

        856KB

      • memory/1736-2-0x0000000000400000-0x00000000004D6000-memory.dmp

        Filesize

        856KB

      • memory/1736-2248-0x0000000000400000-0x00000000004D6000-memory.dmp

        Filesize

        856KB

      • memory/1736-5945-0x00000000004AE000-0x00000000004B1000-memory.dmp

        Filesize

        12KB

      • memory/1736-7040-0x0000000000400000-0x00000000004D6000-memory.dmp

        Filesize

        856KB

      • memory/1736-8807-0x0000000000400000-0x00000000004D6000-memory.dmp

        Filesize

        856KB

      • memory/1736-9848-0x0000000000400000-0x00000000004D6000-memory.dmp

        Filesize

        856KB