Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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\DVD Maker\de-DE\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/?920FDCBE179431D5D4DDFE99A6A26633 | 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/?920FDCBE179431D5D4DDFE99A6A26633 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/?920FDCBE179431D5D4DDFE99A6A26633

http://lockbitks2tvnmwk.onion/?920FDCBE179431D5D4DDFE99A6A26633

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 (9356) 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.

  • Deletes itself 1 IoCs
  • 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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 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.

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

  • Modifies Control Panel 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 31 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⤵
    • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2744
    • 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:2676
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2704
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2652
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:672
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2856
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2872
    • 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\1dbe9f956514460774290197ffccb11d817d1a5a5aeab81877ae7b74daa1b592.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\1dbe9f956514460774290197ffccb11d817d1a5a5aeab81877ae7b74daa1b592.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2096
      • 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:884
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\1dbe9f956514460774290197ffccb11d817d1a5a5aeab81877ae7b74daa1b592.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2064
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2572
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1784
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2216
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:2068

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\DVD Maker\de-DE\Restore-My-Files.txt

        Filesize

        1KB

        MD5

        35512614f29a60aef1c62f29b51f72b4

        SHA1

        07c56814dabe065ce3d1dfa5b1291f6e1c81f720

        SHA256

        d6da909a175a1bd9ec70cea5e2f978eccd5f410f496e1b41b8684edf45c2d41f

        SHA512

        b71d0597fbb2d63ac89b3b539a3c90f6622db57eb6dfbdf83c393032fa6c60d22b62ff7d396bcce7acf8ba61e80fa3ca431adfaa89f4879b7e11ffd395f6ab6e

      • memory/2744-0-0x00000000003C0000-0x00000000003E8000-memory.dmp

        Filesize

        160KB

      • memory/2744-1-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2744-6868-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2744-6869-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2744-10192-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/2744-10191-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB