Resubmissions

28-07-2024 16:38

240728-t5tryssgmm 10

07-07-2024 14:07

240707-rfgd8atekm 10

07-07-2024 14:07

240707-re689awdpe 10

13-09-2022 17:54

220913-wg1lpsgbg7 10

Analysis

  • max time kernel
    602s
  • max time network
    432s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-07-2024 14:07

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\dotnet\shared\Microsoft.NETCore.App\6.0.27\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/?BC76D224712A7481BC414F119346F5F5 | 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/?BC76D224712A7481BC414F119346F5F5 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/?BC76D224712A7481BC414F119346F5F5

http://lockbitks2tvnmwk.onion/?BC76D224712A7481BC414F119346F5F5

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/?BC76D224712A7481BC414F119346F5F5 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/?BC76D224712A7481BC414F119346F5F5 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/?BC76D224712A7481BC414F119346F5F5

http://lockbitks2tvnmwk.onion/?BC76D224712A7481BC414F119346F5F5

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • 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 (6416) 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
  • 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 2 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
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4924
    • 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:1988
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3048
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:892
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2136
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:5116
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:3344
    • 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⤵
        PID:5872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5872 -s 1772
          3⤵
          • Program crash
          PID:3856
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:2780
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.7 -n 3
          3⤵
          • Runs ping.exe
          PID:5476
        • 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⤵
            PID:4000
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2652
      • C:\Windows\system32\wbengine.exe
        "C:\Windows\system32\wbengine.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2920
      • C:\Windows\System32\vdsldr.exe
        C:\Windows\System32\vdsldr.exe -Embedding
        1⤵
          PID:696
        • C:\Windows\System32\vds.exe
          C:\Windows\System32\vds.exe
          1⤵
          • Checks SCSI registry key(s)
          PID:4404
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5872 -ip 5872
          1⤵
            PID:5416

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Restore-My-Files.txt

            Filesize

            1KB

            MD5

            7cb40cb4967a12e34ccdaa253afd6c42

            SHA1

            1ea841e1d70d9a0ad184029d699e1c2640b4fbe1

            SHA256

            6338597083527e125cb19c2cdd820416ec4f55d82239f83b79f9960d34edc4b9

            SHA512

            5ba003930d6e20d44c0075a58d6120f7dc21ad27efdf692934166b6e7171d50dbf075a713d9ba20cbbff3111667934281c81de365f2a1c583c67067eb3620d3b

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

            Filesize

            17KB

            MD5

            d6edb656f9ce21b5894f876e5aad83ed

            SHA1

            38553433bfa22e69805b09cf72df6b6a9ef4840e

            SHA256

            f6762e4496c3ac91fc42511ccc71fd5adefcc4636eedf724d7f63111b0185dda

            SHA512

            42e680c7c7c5d57f0dc7dd1040f8d9c7b91c11266a757ff1383ad87a8809409f3303cb7b8b4a973be1d74edb6251180ded3f70646aab9c2bd36718c9f3c0ef3b