Analysis

  • max time kernel
    133s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2024 23:40

General

  • Target

    1dbe9f956514460774290197ffccb11d817d1a5a5aeab81877ae7b74daa1b592.exe

  • Size

    316KB

  • MD5

    4de69c226426a742a17ade81cde8d1f9

  • SHA1

    ea10e601a2fb81362687421bc0b8f9d6238d7dfa

  • SHA256

    1dbe9f956514460774290197ffccb11d817d1a5a5aeab81877ae7b74daa1b592

  • SHA512

    26cab9c626d2d2332942808d1d71f0f8f114d1b8a6e1f3d760850a065a4856c1c2ba9c896be0353457c684f4251357a3bd641dc7547940651cc70fb9050a4c6a

  • SSDEEP

    6144:DpeR+KBiFmRCPxGiVpAPtL4Kc/4rj8IydT3tm5zDy:DponOmMPNV1/4rj8IydTdj

Malware Config

Extracted

Path

C:\Program Files\dotnet\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.com/?920FDCBE179431D5E7849FF67C5F85AA | 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/?920FDCBE179431D5E7849FF67C5F85AA This link only works in Tor Browser! | 3. Follow the instructions on this page ### Attention! ### # lockbit-decryptor.com 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.com/?920FDCBE179431D5E7849FF67C5F85AA

http://lockbitks2tvnmwk.onion/?920FDCBE179431D5E7849FF67C5F85AA

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 (14205) 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.

  • 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 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.

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

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 12 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\1dbe9f956514460774290197ffccb11d817d1a5a5aeab81877ae7b74daa1b592.exe
    "C:\Users\Admin\AppData\Local\Temp\1dbe9f956514460774290197ffccb11d817d1a5a5aeab81877ae7b74daa1b592.exe"
    1⤵
    • Checks computer location settings
    • 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:4836
    • 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:3436
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3648
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1184
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:904
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2884
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:4784
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:684
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5040
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2096
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1284
    • C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe -Embedding
      1⤵
        PID:4784

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\dotnet\Restore-My-Files.txt

        Filesize

        1KB

        MD5

        eb1b048b3f8b9633e6de6dd4ce5ba30c

        SHA1

        5f0f1899adec591ab222178578df713f039947e0

        SHA256

        3e7af872b96fc4cb9fda2c57063086738b47a1475a143247d2fec8815aff247d

        SHA512

        6cd1cca0b8ef3b145812de2a4659b5c8b74370e07e33c59403d3ac016e33cf6f477d9b0c06f9ede12abbc8fe8208519ebd64b8e1431316c090bdef4a19e3e51e

      • memory/4836-0-0x00000000021D0000-0x00000000021F8000-memory.dmp

        Filesize

        160KB

      • memory/4836-1-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/4836-3500-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/4836-3501-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/4836-3502-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/4836-3503-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/4836-7774-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/4836-7775-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB