Resubmissions

31/03/2025, 00:22

250331-apdw1ssjs8 10

28/03/2025, 22:52

250328-2tfd7avl15 10

25/03/2025, 14:57

250325-sb3mbsxxht 10

Analysis

  • max time kernel
    103s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2025, 14:57

General

  • Target

    RansomwareSamples/LockBit_14_02_2021_146KB.exe

  • Size

    146KB

  • MD5

    69bec32d50744293e85606a5e8f80425

  • SHA1

    101b90ac7e0c2a8b570686c13dfa0e161ddd00e0

  • SHA256

    95739e350d7f2aca2c609768ee72ad67fcf05efca5c7ad8df3027c82b9c454cf

  • SHA512

    e01f976fcbfa67cfd6e97855d07350a27b67fcc825d4e813ac9d2f4e8f464bb4f8bbbbe58a26bc27e78fa15db0ee5271e8f041dd72f036c11964eb1c591b438f

  • SSDEEP

    3072:V6ZkRGjkBrmKmY99UpkD1/34bIpVSrtLmqc2LVMMqqD/h2LuTeONA5tIHVcH:IS9rLPPUpa3VVEtLXcCqqD/hOQnaMcH

Malware Config

Extracted

Path

C:\Program Files\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/?BC76D224712A7481AC8A2BF2399F59AB | 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/?BC76D224712A7481AC8A2BF2399F59AB 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/?BC76D224712A7481AC8A2BF2399F59AB

http://lockbitks2tvnmwk.onion/?BC76D224712A7481AC8A2BF2399F59AB

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/?BC76D224712A7481AC8A2BF2399F59AB 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/?BC76D224712A7481AC8A2BF2399F59AB 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/?BC76D224712A7481AC8A2BF2399F59AB

http://lockbitks2tvnmwk.onion/?BC76D224712A7481AC8A2BF2399F59AB

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 (6392) 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 8 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\RansomwareSamples\LockBit_14_02_2021_146KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\LockBit_14_02_2021_146KB.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:5276
    • 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:4392
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:4828
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4696
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2564
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4384
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2660
    • 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:3640
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 1792
        3⤵
        • Program crash
        PID:5492
    • 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\RansomwareSamples\LockBit_14_02_2021_146KB.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\LockBit_14_02_2021_146KB.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3420
      • 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:1568
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\LockBit_14_02_2021_146KB.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2168
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4564
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3108
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:3484
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3640 -ip 3640
      1⤵
        PID:2036

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1KB

        MD5

        9510f19bc0d9bdf131b1dcba0569235d

        SHA1

        672eb0a8d63b0b6bdc221b8810d54830b1b1ee1f

        SHA256

        82ba659395dbe13ece05841d06baca433c3212f708780513cf39454b2b0e7c8b

        SHA512

        b3bf5c016ecfb235ceac9c8384a8f981547aaff6fac177c0dd86be44aa54977dbe2d63caa20fdd17f5bf71202d474e7cb62ecab9c904accaf8efc5668b584436

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

        Filesize

        17KB

        MD5

        033d2473f1ca0b2e1451072f5b8fc6bd

        SHA1

        9e240eaeaeeb7d05c34ffa36334181ade9410ba2

        SHA256

        dde845a2534ff72320c06b424ec6e30a2a6fce7e38b0a6956ef44cfca1bb17af

        SHA512

        c711e5240d8c8c590a0d8e5d2671eab6c870116e0067cb50f5d8ce88518b6ea736586b8a1706909d9b1a8b56735b322e54988a3c031e125c8057eccf32ac582d