Analysis

  • max time kernel
    71s
  • max time network
    72s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 12:41

General

  • Target

    c6e5a9f39bfc6dc46c2eb7a786948e9d111ddbec5e157c8081f7c22b7d6b3c78.exe

  • Size

    247KB

  • MD5

    81d9cac2627d252af11b3ced0f2928d8

  • SHA1

    1d19670a5eb9ba2399bcb9a967fad24cd75b1f2a

  • SHA256

    c6e5a9f39bfc6dc46c2eb7a786948e9d111ddbec5e157c8081f7c22b7d6b3c78

  • SHA512

    6b210647985289a2f8bd4c240013617d9e68834a171bff39b4f03982df2253d2ab43bfd3770af9129f956756dd0ff491f067c6d7ab6f371622d3a2f51968a8de

  • SSDEEP

    3072:J1rxNteUB+mcyAdSnsMObgqyoGGeV1EZyOdBDT0ynl0Xp8K7:J1rxN5B6mBugqafEpBDT0ylQp

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/?ADDD79899D34FB74A394C324F60B676E | 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/?ADDD79899D34FB74A394C324F60B676E 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/?ADDD79899D34FB74A394C324F60B676E

http://lockbitks2tvnmwk.onion/?ADDD79899D34FB74A394C324F60B676E

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 (4054) 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 7 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 59 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 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\c6e5a9f39bfc6dc46c2eb7a786948e9d111ddbec5e157c8081f7c22b7d6b3c78.exe
    "C:\Users\Admin\AppData\Local\Temp\c6e5a9f39bfc6dc46c2eb7a786948e9d111ddbec5e157c8081f7c22b7d6b3c78.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:3528
    • 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:4448
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:4780
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5088
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2292
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3432
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:612
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1008
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4028
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:4324
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4768
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /0
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      6fb460281508b60d34c60608ab3f8449

      SHA1

      c7620fcd6956a05c3a6793bd51510b32879a33e4

      SHA256

      4b01cd9a127b3ec4c045ece8fb4ddda78deba03f1912ec18f03cddba927e3b1e

      SHA512

      e1d0cebbc9a0c13c554f75f6587158d1a6d212ea3409ec430bacf3cc9e68ba738fe95ce5194b3b179bdd14c411b0fe5ff562157507c07cd76758b41f345f63c3

    • memory/3528-3639-0x0000000000400000-0x0000000000C83000-memory.dmp

      Filesize

      8.5MB

    • memory/3528-4484-0x0000000000400000-0x0000000000C83000-memory.dmp

      Filesize

      8.5MB

    • memory/3528-4485-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3528-3530-0x0000000000DB0000-0x0000000000EB0000-memory.dmp

      Filesize

      1024KB

    • memory/3528-3535-0x0000000000400000-0x0000000000C83000-memory.dmp

      Filesize

      8.5MB

    • memory/3528-3552-0x0000000000D60000-0x0000000000D86000-memory.dmp

      Filesize

      152KB

    • memory/3528-3564-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3528-3824-0x0000000000400000-0x0000000000C83000-memory.dmp

      Filesize

      8.5MB

    • memory/3528-3809-0x0000000000400000-0x0000000000C83000-memory.dmp

      Filesize

      8.5MB

    • memory/3528-3733-0x0000000000400000-0x0000000000C83000-memory.dmp

      Filesize

      8.5MB

    • memory/3528-2-0x0000000000D60000-0x0000000000D86000-memory.dmp

      Filesize

      152KB

    • memory/3528-3-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3528-1-0x0000000000DB0000-0x0000000000EB0000-memory.dmp

      Filesize

      1024KB

    • memory/4656-3583-0x000002EA98B40000-0x000002EA98B41000-memory.dmp

      Filesize

      4KB

    • memory/4656-3582-0x000002EA98B40000-0x000002EA98B41000-memory.dmp

      Filesize

      4KB

    • memory/4656-3581-0x000002EA98B40000-0x000002EA98B41000-memory.dmp

      Filesize

      4KB

    • memory/4656-3580-0x000002EA98B40000-0x000002EA98B41000-memory.dmp

      Filesize

      4KB

    • memory/4656-3573-0x000002EA98B40000-0x000002EA98B41000-memory.dmp

      Filesize

      4KB

    • memory/4656-3584-0x000002EA98B40000-0x000002EA98B41000-memory.dmp

      Filesize

      4KB

    • memory/4656-3574-0x000002EA98B40000-0x000002EA98B41000-memory.dmp

      Filesize

      4KB

    • memory/4656-3575-0x000002EA98B40000-0x000002EA98B41000-memory.dmp

      Filesize

      4KB

    • memory/4656-3579-0x000002EA98B40000-0x000002EA98B41000-memory.dmp

      Filesize

      4KB

    • memory/4656-3585-0x000002EA98B40000-0x000002EA98B41000-memory.dmp

      Filesize

      4KB