Analysis

  • max time kernel
    107s
  • max time network
    150s
  • 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

    91d1ab6c305552685996f4d80c44cc1c694355ae7d09243df027827d1df61631.exe

  • Size

    146KB

  • MD5

    388eafffcc96c71c317cf0908d3a133b

  • SHA1

    16e5c5a81a88cb73464d92edf5bec7199907afb9

  • SHA256

    91d1ab6c305552685996f4d80c44cc1c694355ae7d09243df027827d1df61631

  • SHA512

    6ee2fbfdab206b2f79d423f3b26a5f8033051ab4d10596c530e381b714dcc8854a4eaf57abd02029ab2d33fdd59b2f1f9c2cdc7702442ee700a43a2411af9515

  • SSDEEP

    3072:V6ZkRGjkBrmKmY99UpkD1/34bIpVSrtLmqc2LVMMqqD/h2LuTeONA5tIHVc:IS9rLPPUpa3VVEtLXcCqqD/hOQnaMc

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.top/?A94ED07AA2CAF6C8A96C868CDFDC634D | 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/?A94ED07AA2CAF6C8A96C868CDFDC634D This link only works in Tor Browser! | 3. Follow the instructions on this page ### Attention! ### # lockbit-decryptor.top 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.top/?A94ED07AA2CAF6C8A96C868CDFDC634D

http://lockbitks2tvnmwk.onion/?A94ED07AA2CAF6C8A96C868CDFDC634D

Extracted

Path

C:\Users\Admin\Desktop\LockBit-note.hta

Ransom Note
Lock BIT 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: Through a standard browser Open link - http://lockbit-decryptor.top/?A94ED07AA2CAF6C8A96C868CDFDC634D Follow the instructions on this page Through a recommended Download Tor Browser - https://www.torproject.org/ and install it. Open link in Tor Browser - http://lockbitks2tvnmwk.onion/?A94ED07AA2CAF6C8A96C868CDFDC634D This link only works in Tor Browser! Follow the instructions on this page 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.top/?A94ED07AA2CAF6C8A96C868CDFDC634D

http://lockbitks2tvnmwk.onion/?A94ED07AA2CAF6C8A96C868CDFDC634D

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 (6399) 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 2 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
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • 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.

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 24 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\91d1ab6c305552685996f4d80c44cc1c694355ae7d09243df027827d1df61631.exe
    "C:\Users\Admin\AppData\Local\Temp\91d1ab6c305552685996f4d80c44cc1c694355ae7d09243df027827d1df61631.exe"
    1⤵
    • Checks computer location settings
    • 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
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2340
    • 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:2792
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3000
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4968
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4416
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1780
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:4484
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\LockBit-note.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5904
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5904 -s 1740
        3⤵
        • Program crash
        PID:5680
    • 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:\Users\Admin\AppData\Local\Temp\91d1ab6c305552685996f4d80c44cc1c694355ae7d09243df027827d1df61631.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\91d1ab6c305552685996f4d80c44cc1c694355ae7d09243df027827d1df61631.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:5944
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.7 -n 3
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:5900
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\91d1ab6c305552685996f4d80c44cc1c694355ae7d09243df027827d1df61631.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:728
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2552
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2500
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:4708
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5904 -ip 5904
      1⤵
        PID:6000

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1KB

        MD5

        1a62220b93fda039b59d79beb76721c4

        SHA1

        18874ff9814a94fc9bf61a723506774850461359

        SHA256

        7e9f2cf4a074d2525bf1237064bf8429599a0e5a7b9e0193658265a2c6c05445

        SHA512

        dd89e263840fa7ad76d9d28eb0a7778f358bde2dfa1c7a7dcea352973d2355ddc29e6b36500910afc785e4fb028b1d7296c59863077f38c8be5cfe4e6256d6ee

      • C:\Users\Admin\Desktop\LockBit-note.hta

        Filesize

        17KB

        MD5

        7463e3354ec8cca9e499e8267bf2ba75

        SHA1

        7eaca9847d6071697c2c4ff7c2234fece602383e

        SHA256

        4486508ebabb434d34e8a3443386670a457ff6d5d4131a2356d94f29f1593dbb

        SHA512

        cdf998a7801b4cbcf1ad24116d21911c92231fd2e272fda51c9ab049fd251d39c5db549bcdc6fa3c01b524dd75b74366a4689620fd07558daf3d89df023d97aa